diff --git a/server/server.js b/server/server.js
index 3fd0585d4..55289b55a 100644
--- a/server/server.js
+++ b/server/server.js
@@ -720,6 +720,17 @@ let needSetup = false;
 
                 monitor.rabbitmqNodes = JSON.stringify(monitor.rabbitmqNodes);
 
+                /*
+                 * List of frontend-only properties that should not be saved to the database.
+                 * Should clean up before saving to the database.
+                 */
+                const frontendOnlyProperties = [ "humanReadableInterval" ];
+                for (const prop of frontendOnlyProperties) {
+                    if (prop in monitor) {
+                        delete monitor[prop];
+                    }
+                }
+
                 bean.import(monitor);
                 bean.user_id = socket.userID;
 
diff --git a/src/mixins/lang.js b/src/mixins/lang.js
index 9061e7d3d..0fff8cdc8 100644
--- a/src/mixins/lang.js
+++ b/src/mixins/lang.js
@@ -1,5 +1,5 @@
 import { currentLocale } from "../i18n";
-import { setPageLocale } from "../util-frontend";
+import { setPageLocale, relativeTimeFormatter } from "../util-frontend";
 const langModules = import.meta.glob("../lang/*.json");
 
 export default {
@@ -28,11 +28,13 @@ export default {
          * @returns {Promise<void>}
          */
         async changeLang(lang) {
-            let message = (await langModules["../lang/" + lang + ".json"]()).default;
+            let message = (await langModules["../lang/" + lang + ".json"]())
+                .default;
             this.$i18n.setLocaleMessage(lang, message);
             this.$i18n.locale = lang;
             localStorage.locale = lang;
             setPageLocale();
-        }
-    }
+            relativeTimeFormatter.updateLocale(lang);
+        },
+    },
 };
diff --git a/src/pages/Details.vue b/src/pages/Details.vue
index 1d068b92e..732d58e31 100644
--- a/src/pages/Details.vue
+++ b/src/pages/Details.vue
@@ -1,7 +1,9 @@
 <template>
     <transition name="slide-fade" appear>
         <div v-if="monitor">
-            <router-link v-if="group !== ''" :to="monitorURL(monitor.parent)"> {{ group }}</router-link>
+            <router-link v-if="group !== ''" :to="monitorURL(monitor.parent)">
+                {{ group }}
+            </router-link>
             <h1>
                 {{ monitor.name }}
                 <div class="monitor-id">
@@ -13,61 +15,124 @@
             <p v-if="monitor.description" v-html="descriptionHTML"></p>
             <div class="d-flex">
                 <div class="tags">
-                    <Tag v-for="tag in monitor.tags" :key="tag.id" :item="tag" :size="'sm'" />
+                    <Tag
+                        v-for="tag in monitor.tags"
+                        :key="tag.id"
+                        :item="tag"
+                        :size="'sm'"
+                    />
                 </div>
             </div>
             <p class="url">
-                <a v-if="monitor.type === 'http' || monitor.type === 'keyword' || monitor.type === 'json-query' || monitor.type === 'mp-health' || monitor.type === 'real-browser' " :href="monitor.url" target="_blank" rel="noopener noreferrer">{{ filterPassword(monitor.url) }}</a>
+                <a
+                    v-if="
+                        monitor.type === 'http' ||
+                            monitor.type === 'keyword' ||
+                            monitor.type === 'json-query' ||
+                            monitor.type === 'mp-health' ||
+                            monitor.type === 'real-browser'
+                    "
+                    :href="monitor.url"
+                    target="_blank"
+                    rel="noopener noreferrer"
+                >{{ filterPassword(monitor.url) }}</a>
                 <span v-if="monitor.type === 'port'">TCP Port {{ monitor.hostname }}:{{ monitor.port }}</span>
                 <span v-if="monitor.type === 'ping'">Ping: {{ monitor.hostname }}</span>
                 <span v-if="monitor.type === 'keyword'">
-                    <br>
+                    <br />
                     <span>{{ $t("Keyword") }}: </span>
                     <span class="keyword">{{ monitor.keyword }}</span>
-                    <span v-if="monitor.invertKeyword" alt="Inverted keyword" class="keyword-inverted"> ↧</span>
+                    <span
+                        v-if="monitor.invertKeyword"
+                        alt="Inverted keyword"
+                        class="keyword-inverted"
+                    >
+                        ↧</span>
                 </span>
                 <span v-if="monitor.type === 'json-query'">
-                    <br>
-                    <span>{{ $t("Json Query") }}:</span> <span class="keyword">{{ monitor.jsonPath }}</span>
-                    <br>
-                    <span>{{ $t("Expected Value") }}:</span> <span class="keyword">{{ monitor.expectedValue }}</span>
+                    <br />
+                    <span>{{ $t("Json Query") }}:</span>
+                    <span class="keyword">{{ monitor.jsonPath }}</span>
+                    <br />
+                    <span>{{ $t("Expected Value") }}:</span>
+                    <span class="keyword">{{ monitor.expectedValue }}</span>
                 </span>
                 <span v-if="monitor.type === 'dns'">[{{ monitor.dns_resolve_type }}] {{ monitor.hostname }}
-                    <br>
-                    <span>{{ $t("Last Result") }}:</span> <span class="keyword">{{ monitor.dns_last_result }}</span>
+                    <br />
+                    <span>{{ $t("Last Result") }}:</span>
+                    <span class="keyword">{{ monitor.dns_last_result }}</span>
                 </span>
                 <span v-if="monitor.type === 'docker'">Docker container: {{ monitor.docker_container }}</span>
-                <span v-if="monitor.type === 'gamedig'">Gamedig - {{ monitor.game }}: {{ monitor.hostname }}:{{ monitor.port }}</span>
+                <span v-if="monitor.type === 'gamedig'">Gamedig - {{ monitor.game }}: {{ monitor.hostname }}:{{
+                    monitor.port
+                }}</span>
                 <span v-if="monitor.type === 'grpc-keyword'">gRPC - {{ filterPassword(monitor.grpcUrl) }}
-                    <br>
-                    <span>{{ $t("Keyword") }}:</span> <span class="keyword">{{ monitor.keyword }}</span>
+                    <br />
+                    <span>{{ $t("Keyword") }}:</span>
+                    <span class="keyword">{{ monitor.keyword }}</span>
                 </span>
-                <span v-if="monitor.type === 'mongodb'">{{ filterPassword(monitor.databaseConnectionString) }}</span>
-                <span v-if="monitor.type === 'mqtt'">MQTT: {{ monitor.hostname }}:{{ monitor.port }}/{{ monitor.mqttTopic }}</span>
-                <span v-if="monitor.type === 'mysql'">{{ filterPassword(monitor.databaseConnectionString) }}</span>
-                <span v-if="monitor.type === 'postgres'">{{ filterPassword(monitor.databaseConnectionString) }}</span>
-                <span v-if="monitor.type === 'push'">Push: <a :href="pushURL" target="_blank" rel="noopener noreferrer">{{ pushURL }}</a></span>
+                <span v-if="monitor.type === 'mongodb'">{{
+                    filterPassword(monitor.databaseConnectionString)
+                }}</span>
+                <span v-if="monitor.type === 'mqtt'">MQTT: {{ monitor.hostname }}:{{ monitor.port }}/{{
+                    monitor.mqttTopic
+                }}</span>
+                <span v-if="monitor.type === 'mysql'">{{
+                    filterPassword(monitor.databaseConnectionString)
+                }}</span>
+                <span v-if="monitor.type === 'postgres'">{{
+                    filterPassword(monitor.databaseConnectionString)
+                }}</span>
+                <span v-if="monitor.type === 'push'">Push:
+                    <a
+                        :href="pushURL"
+                        target="_blank"
+                        rel="noopener noreferrer"
+                    >{{ pushURL }}</a></span>
                 <span v-if="monitor.type === 'radius'">Radius: {{ filterPassword(monitor.hostname) }}</span>
-                <span v-if="monitor.type === 'redis'">{{ filterPassword(monitor.databaseConnectionString) }}</span>
-                <span v-if="monitor.type === 'sqlserver'">SQL Server: {{ filterPassword(monitor.databaseConnectionString) }}</span>
-                <span v-if="monitor.type === 'steam'">Steam Game Server: {{ monitor.hostname }}:{{ monitor.port }}</span>
+                <span v-if="monitor.type === 'redis'">{{
+                    filterPassword(monitor.databaseConnectionString)
+                }}</span>
+                <span v-if="monitor.type === 'sqlserver'">SQL Server:
+                    {{ filterPassword(monitor.databaseConnectionString) }}</span>
+                <span v-if="monitor.type === 'steam'">Steam Game Server: {{ monitor.hostname }}:{{
+                    monitor.port
+                }}</span>
             </p>
 
             <div class="functions">
                 <div class="btn-group" role="group">
-                    <button v-if="monitor.active" class="btn btn-normal" @click="pauseDialog">
+                    <button
+                        v-if="monitor.active"
+                        class="btn btn-normal"
+                        @click="pauseDialog"
+                    >
                         <font-awesome-icon icon="pause" /> {{ $t("Pause") }}
                     </button>
-                    <button v-if="! monitor.active" class="btn btn-primary" :disabled="monitor.forceInactive" @click="resumeMonitor">
+                    <button
+                        v-if="!monitor.active"
+                        class="btn btn-primary"
+                        :disabled="monitor.forceInactive"
+                        @click="resumeMonitor"
+                    >
                         <font-awesome-icon icon="play" /> {{ $t("Resume") }}
                     </button>
-                    <router-link :to=" '/edit/' + monitor.id " class="btn btn-normal">
+                    <router-link
+                        :to="'/edit/' + monitor.id"
+                        class="btn btn-normal"
+                    >
                         <font-awesome-icon icon="edit" /> {{ $t("Edit") }}
                     </router-link>
-                    <router-link :to=" '/clone/' + monitor.id " class="btn btn-normal">
+                    <router-link
+                        :to="'/clone/' + monitor.id"
+                        class="btn btn-normal"
+                    >
                         <font-awesome-icon icon="clone" /> {{ $t("Clone") }}
                     </router-link>
-                    <button class="btn btn-normal text-danger" @click="deleteDialog">
+                    <button
+                        class="btn btn-normal text-danger"
+                        @click="deleteDialog"
+                    >
                         <font-awesome-icon icon="trash" /> {{ $t("Delete") }}
                     </button>
                 </div>
@@ -77,29 +142,53 @@
                 <div class="row">
                     <div class="col-md-8">
                         <HeartbeatBar :monitor-id="monitor.id" />
-                        <span class="word">{{ $t("checkEverySecond", [ monitor.interval ]) }}</span>
+                        <span class="word">{{
+                            $t("checkEverySecond", [monitor.interval])
+                        }}
+                            ({{
+                                secondsToHumanReadableFormat(monitor.interval)
+                            }})</span>
                     </div>
                     <div class="col-md-4 text-center">
-                        <span class="badge rounded-pill" :class=" 'bg-' + status.color " style="font-size: 30px;" data-testid="monitor-status">{{ status.text }}</span>
+                        <span
+                            class="badge rounded-pill"
+                            :class="'bg-' + status.color"
+                            style="font-size: 30px;"
+                            data-testid="monitor-status"
+                        >{{ status.text }}</span>
                     </div>
                 </div>
             </div>
 
             <!-- Push Examples -->
             <div v-if="monitor.type === 'push'" class="shadow-box big-padding">
-                <a href="#" @click="pushMonitor.showPushExamples = !pushMonitor.showPushExamples">{{ $t("pushViewCode") }}</a>
+                <a
+                    href="#"
+                    @click="
+                        pushMonitor.showPushExamples =
+                            !pushMonitor.showPushExamples
+                    "
+                >{{ $t("pushViewCode") }}</a>
 
                 <transition name="slide-fade" appear>
                     <div v-if="pushMonitor.showPushExamples" class="mt-3">
-                        <select id="push-current-example" v-model="pushMonitor.currentExample" class="form-select">
+                        <select
+                            id="push-current-example"
+                            v-model="pushMonitor.currentExample"
+                            class="form-select"
+                        >
                             <optgroup :label="$t('programmingLanguages')">
                                 <option value="csharp">C#</option>
                                 <option value="go">Go</option>
                                 <option value="java">Java</option>
-                                <option value="javascript-fetch">JavaScript (fetch)</option>
+                                <option value="javascript-fetch">
+                                    JavaScript (fetch)
+                                </option>
                                 <option value="php">PHP</option>
                                 <option value="python">Python</option>
-                                <option value="typescript-fetch">TypeScript (fetch)</option>
+                                <option value="typescript-fetch">
+                                    TypeScript (fetch)
+                                </option>
                             </optgroup>
                             <optgroup :label="$t('pushOthers')">
                                 <option value="bash-curl">Bash (curl)</option>
@@ -108,7 +197,13 @@
                             </optgroup>
                         </select>
 
-                        <prism-editor v-model="pushMonitor.code" class="css-editor mt-3" :highlight="pushExampleHighlighter" line-numbers readonly></prism-editor>
+                        <prism-editor
+                            v-model="pushMonitor.code"
+                            class="css-editor mt-3"
+                            :highlight="pushExampleHighlighter"
+                            line-numbers
+                            readonly
+                        ></prism-editor>
                     </div>
                 </transition>
             </div>
@@ -116,55 +211,98 @@
             <!-- Stats -->
             <div class="shadow-box big-padding text-center stats">
                 <div class="row">
-                    <div v-if="monitor.type !== 'group'" class="col-12 col-sm col row d-flex align-items-center d-sm-block">
+                    <div
+                        v-if="monitor.type !== 'group'"
+                        class="col-12 col-sm col row d-flex align-items-center d-sm-block"
+                    >
                         <h4 class="col-4 col-sm-12">{{ pingTitle() }}</h4>
-                        <p class="col-4 col-sm-12 mb-0 mb-sm-2">({{ $t("Current") }})</p>
+                        <p class="col-4 col-sm-12 mb-0 mb-sm-2">
+                            ({{ $t("Current") }})
+                        </p>
                         <span class="col-4 col-sm-12 num">
-                            <a href="#" @click.prevent="showPingChartBox = !showPingChartBox">
+                            <a
+                                href="#"
+                                @click.prevent="
+                                    showPingChartBox = !showPingChartBox
+                                "
+                            >
                                 <CountUp :value="ping" />
                             </a>
                         </span>
                     </div>
-                    <div v-if="monitor.type !== 'group'" class="col-12 col-sm col row d-flex align-items-center d-sm-block">
+                    <div
+                        v-if="monitor.type !== 'group'"
+                        class="col-12 col-sm col row d-flex align-items-center d-sm-block"
+                    >
                         <h4 class="col-4 col-sm-12">{{ pingTitle(true) }}</h4>
-                        <p class="col-4 col-sm-12 mb-0 mb-sm-2">(24{{ $t("-hour") }})</p>
+                        <p class="col-4 col-sm-12 mb-0 mb-sm-2">
+                            (24{{ $t("-hour") }})
+                        </p>
                         <span class="col-4 col-sm-12 num">
                             <CountUp :value="avgPing" />
                         </span>
                     </div>
 
                     <!-- Uptime (24-hour) -->
-                    <div class="col-12 col-sm col row d-flex align-items-center d-sm-block">
+                    <div
+                        class="col-12 col-sm col row d-flex align-items-center d-sm-block"
+                    >
                         <h4 class="col-4 col-sm-12">{{ $t("Uptime") }}</h4>
-                        <p class="col-4 col-sm-12 mb-0 mb-sm-2">(24{{ $t("-hour") }})</p>
+                        <p class="col-4 col-sm-12 mb-0 mb-sm-2">
+                            (24{{ $t("-hour") }})
+                        </p>
                         <span class="col-4 col-sm-12 num">
                             <Uptime :monitor="monitor" type="24" />
                         </span>
                     </div>
 
                     <!-- Uptime (30-day) -->
-                    <div class="col-12 col-sm col row d-flex align-items-center d-sm-block">
+                    <div
+                        class="col-12 col-sm col row d-flex align-items-center d-sm-block"
+                    >
                         <h4 class="col-4 col-sm-12">{{ $t("Uptime") }}</h4>
-                        <p class="col-4 col-sm-12 mb-0 mb-sm-2">(30{{ $t("-day") }})</p>
+                        <p class="col-4 col-sm-12 mb-0 mb-sm-2">
+                            (30{{ $t("-day") }})
+                        </p>
                         <span class="col-4 col-sm-12 num">
                             <Uptime :monitor="monitor" type="720" />
                         </span>
                     </div>
 
                     <!-- Uptime (1-year) -->
-                    <div class="col-12 col-sm col row d-flex align-items-center d-sm-block">
+                    <div
+                        class="col-12 col-sm col row d-flex align-items-center d-sm-block"
+                    >
                         <h4 class="col-4 col-sm-12">{{ $t("Uptime") }}</h4>
-                        <p class="col-4 col-sm-12 mb-0 mb-sm-2">(1{{ $t("-year") }})</p>
+                        <p class="col-4 col-sm-12 mb-0 mb-sm-2">
+                            (1{{ $t("-year") }})
+                        </p>
                         <span class="col-4 col-sm-12 num">
                             <Uptime :monitor="monitor" type="1y" />
                         </span>
                     </div>
 
-                    <div v-if="tlsInfo" class="col-12 col-sm col row d-flex align-items-center d-sm-block">
+                    <div
+                        v-if="tlsInfo"
+                        class="col-12 col-sm col row d-flex align-items-center d-sm-block"
+                    >
                         <h4 class="col-4 col-sm-12">{{ $t("Cert Exp.") }}</h4>
-                        <p class="col-4 col-sm-12 mb-0 mb-sm-2">(<Datetime :value="tlsInfo.certInfo.validTo" date-only />)</p>
+                        <p class="col-4 col-sm-12 mb-0 mb-sm-2">
+                            (<Datetime
+                                :value="tlsInfo.certInfo.validTo"
+                                date-only
+                            />)
+                        </p>
                         <span class="col-4 col-sm-12 num">
-                            <a href="#" @click.prevent="toggleCertInfoBox = !toggleCertInfoBox">{{ tlsInfo.certInfo.daysRemaining }} {{ $tc("day", tlsInfo.certInfo.daysRemaining) }}</a>
+                            <a
+                                href="#"
+                                @click.prevent="
+                                    toggleCertInfoBox = !toggleCertInfoBox
+                                "
+                            >{{ tlsInfo.certInfo.daysRemaining }}
+                                {{
+                                    $tc("day", tlsInfo.certInfo.daysRemaining)
+                                }}</a>
                         </span>
                     </div>
                 </div>
@@ -172,17 +310,26 @@
 
             <!-- Cert Info Box -->
             <transition name="slide-fade" appear>
-                <div v-if="showCertInfoBox" class="shadow-box big-padding text-center">
+                <div
+                    v-if="showCertInfoBox"
+                    class="shadow-box big-padding text-center"
+                >
                     <div class="row">
                         <div class="col">
-                            <certificate-info :certInfo="tlsInfo.certInfo" :valid="tlsInfo.valid" />
+                            <certificate-info
+                                :certInfo="tlsInfo.certInfo"
+                                :valid="tlsInfo.valid"
+                            />
                         </div>
                     </div>
                 </div>
             </transition>
 
             <!-- Ping Chart -->
-            <div v-if="showPingChartBox" class="shadow-box big-padding text-center ping-chart-wrapper">
+            <div
+                v-if="showPingChartBox"
+                class="shadow-box big-padding text-center ping-chart-wrapper"
+            >
                 <div class="row">
                     <div class="col">
                         <PingChart :monitor-id="monitor.id" />
@@ -194,25 +341,46 @@
             <div v-if="monitor.type === 'real-browser'" class="shadow-box">
                 <div class="row">
                     <div class="col-md-6 zoom-cursor">
-                        <img :src="screenshotURL" style="width: 100%;" alt="screenshot of the website" @click="showScreenshotDialog">
+                        <img
+                            :src="screenshotURL"
+                            style="width: 100%;"
+                            alt="screenshot of the website"
+                            @click="showScreenshotDialog"
+                        />
                     </div>
-                    <ScreenshotDialog ref="screenshotDialog" :imageURL="screenshotURL" />
+                    <ScreenshotDialog
+                        ref="screenshotDialog"
+                        :imageURL="screenshotURL"
+                    />
                 </div>
             </div>
 
             <div class="shadow-box table-shadow-box">
                 <div class="dropdown dropdown-clear-data">
-                    <button class="btn btn-sm btn-outline-danger dropdown-toggle" type="button" data-bs-toggle="dropdown">
-                        <font-awesome-icon icon="trash" /> {{ $t("Clear Data") }}
+                    <button
+                        class="btn btn-sm btn-outline-danger dropdown-toggle"
+                        type="button"
+                        data-bs-toggle="dropdown"
+                    >
+                        <font-awesome-icon icon="trash" />
+                        {{ $t("Clear Data") }}
                     </button>
                     <ul class="dropdown-menu dropdown-menu-end">
                         <li>
-                            <button type="button" class="dropdown-item" @click="clearEventsDialog">
+                            <button
+                                type="button"
+                                class="dropdown-item"
+                                @click="clearEventsDialog"
+                            >
                                 {{ $t("Events") }}
                             </button>
                         </li>
                         <li>
-                            <button type="button" class="dropdown-item" @click="clearHeartbeatsDialog">
+                            <button
+                                type="button"
+                                class="dropdown-item"
+                                @click="clearHeartbeatsDialog"
+                            >
                                 {{ $t("Heartbeats") }}
                             </button>
                         </li>
@@ -227,9 +395,15 @@
                         </tr>
                     </thead>
                     <tbody>
-                        <tr v-for="(beat, index) in displayedRecords" :key="index" style="padding: 10px;">
+                        <tr
+                            v-for="(beat, index) in displayedRecords"
+                            :key="index"
+                            style="padding: 10px;"
+                        >
                             <td><Status :status="beat.status" /></td>
-                            <td :class="{ 'border-0':! beat.msg}"><Datetime :value="beat.time" /></td>
+                            <td :class="{ 'border-0': !beat.msg }">
+                                <Datetime :value="beat.time" />
+                            </td>
                             <td class="border-0">{{ beat.msg }}</td>
                         </tr>
 
@@ -251,19 +425,42 @@
                 </div>
             </div>
 
-            <Confirm ref="confirmPause" :yes-text="$t('Yes')" :no-text="$t('No')" @yes="pauseMonitor">
+            <Confirm
+                ref="confirmPause"
+                :yes-text="$t('Yes')"
+                :no-text="$t('No')"
+                @yes="pauseMonitor"
+            >
                 {{ $t("pauseMonitorMsg") }}
             </Confirm>
 
-            <Confirm ref="confirmDelete" btn-style="btn-danger" :yes-text="$t('Yes')" :no-text="$t('No')" @yes="deleteMonitor">
+            <Confirm
+                ref="confirmDelete"
+                btn-style="btn-danger"
+                :yes-text="$t('Yes')"
+                :no-text="$t('No')"
+                @yes="deleteMonitor"
+            >
                 {{ $t("deleteMonitorMsg") }}
             </Confirm>
 
-            <Confirm ref="confirmClearEvents" btn-style="btn-danger" :yes-text="$t('Yes')" :no-text="$t('No')" @yes="clearEvents">
+            <Confirm
+                ref="confirmClearEvents"
+                btn-style="btn-danger"
+                :yes-text="$t('Yes')"
+                :no-text="$t('No')"
+                @yes="clearEvents"
+            >
                 {{ $t("clearEventsMsg") }}
             </Confirm>
 
-            <Confirm ref="confirmClearHeartbeats" btn-style="btn-danger" :yes-text="$t('Yes')" :no-text="$t('No')" @yes="clearHeartbeats">
+            <Confirm
+                ref="confirmClearHeartbeats"
+                btn-style="btn-danger"
+                :yes-text="$t('Yes')"
+                :no-text="$t('No')"
+                @yes="clearHeartbeats"
+            >
                 {{ $t("clearHeartbeatsMsg") }}
             </Confirm>
         </div>
@@ -281,14 +478,16 @@ import Datetime from "../components/Datetime.vue";
 import CountUp from "../components/CountUp.vue";
 import Uptime from "../components/Uptime.vue";
 import Pagination from "v-pagination-3";
-const PingChart = defineAsyncComponent(() => import("../components/PingChart.vue"));
+const PingChart = defineAsyncComponent(() =>
+    import("../components/PingChart.vue")
+);
 import Tag from "../components/Tag.vue";
 import CertificateInfo from "../components/CertificateInfo.vue";
 import { getMonitorRelativeURL } from "../util.ts";
 import { URL } from "whatwg-url";
 import DOMPurify from "dompurify";
 import { marked } from "marked";
-import { getResBaseURL } from "../util-frontend";
+import { getResBaseURL, relativeTimeFormatter } from "../util-frontend";
 import { highlight, languages } from "prismjs/components/prism-core";
 import "prismjs/components/prism-clike";
 import "prismjs/components/prism-javascript";
@@ -310,7 +509,7 @@ export default {
         Tag,
         CertificateInfo,
         PrismEditor,
-        ScreenshotDialog
+        ScreenshotDialog,
     },
     data() {
         return {
@@ -344,7 +543,10 @@ export default {
             // eslint-disable-next-line vue/no-side-effects-in-computed-properties
             this.cacheTime = Date.now();
 
-            if (this.monitor.id in this.$root.lastHeartbeatList && this.$root.lastHeartbeatList[this.monitor.id]) {
+            if (
+                this.monitor.id in this.$root.lastHeartbeatList &&
+                this.$root.lastHeartbeatList[this.monitor.id]
+            ) {
                 return this.$root.lastHeartbeatList[this.monitor.id];
             }
 
@@ -362,7 +564,10 @@ export default {
         },
 
         avgPing() {
-            if (this.$root.avgPingList[this.monitor.id] || this.$root.avgPingList[this.monitor.id] === 0) {
+            if (
+                this.$root.avgPingList[this.monitor.id] ||
+                this.$root.avgPingList[this.monitor.id] === 0
+            ) {
                 return this.$root.avgPingList[this.monitor.id];
             }
 
@@ -374,14 +579,17 @@ export default {
                 return this.$root.statusList[this.monitor.id];
             }
 
-            return { };
+            return {};
         },
 
         tlsInfo() {
             // Add: this.$root.tlsInfoList[this.monitor.id].certInfo
             // Fix: TypeError: Cannot read properties of undefined (reading 'validTo')
             // Reason: TLS Info object format is changed in 1.8.0, if for some reason, it cannot connect to the site after update to 1.8.0, the object is still in the old format.
-            if (this.$root.tlsInfoList[this.monitor.id] && this.$root.tlsInfoList[this.monitor.id].certInfo) {
+            if (
+                this.$root.tlsInfoList[this.monitor.id] &&
+                this.$root.tlsInfoList[this.monitor.id].certInfo
+            ) {
                 return this.$root.tlsInfoList[this.monitor.id];
             }
 
@@ -397,11 +605,21 @@ export default {
         },
 
         pushURL() {
-            return this.$root.baseURL + "/api/push/" + this.monitor.pushToken + "?status=up&msg=OK&ping=";
+            return (
+                this.$root.baseURL +
+                "/api/push/" +
+                this.monitor.pushToken +
+                "?status=up&msg=OK&ping="
+            );
         },
 
         screenshotURL() {
-            return getResBaseURL() + this.monitor.screenshot + "?time=" + this.cacheTime;
+            return (
+                getResBaseURL() +
+                this.monitor.screenshot +
+                "?time=" +
+                this.cacheTime
+            );
         },
 
         descriptionHTML() {
@@ -410,7 +628,7 @@ export default {
             } else {
                 return "";
             }
-        }
+        },
     },
 
     watch: {
@@ -434,7 +652,10 @@ export default {
     mounted() {
         this.getImportantHeartbeatListLength();
 
-        this.$root.emitter.on("newImportantHeartbeat", this.onNewImportantHeartbeat);
+        this.$root.emitter.on(
+            "newImportantHeartbeat",
+            this.onNewImportantHeartbeat
+        );
 
         if (this.monitor && this.monitor.type === "push") {
             if (this.lastHeartBeat.status === -1) {
@@ -445,7 +666,10 @@ export default {
     },
 
     beforeUnmount() {
-        this.$root.emitter.off("newImportantHeartbeat", this.onNewImportantHeartbeat);
+        this.$root.emitter.off(
+            "newImportantHeartbeat",
+            this.onNewImportantHeartbeat
+        );
     },
 
     methods: {
@@ -472,9 +696,11 @@ export default {
          * @returns {void}
          */
         resumeMonitor() {
-            this.$root.getSocket().emit("resumeMonitor", this.monitor.id, (res) => {
-                this.$root.toastRes(res);
-            });
+            this.$root
+                .getSocket()
+                .emit("resumeMonitor", this.monitor.id, (res) => {
+                    this.$root.toastRes(res);
+                });
         },
 
         /**
@@ -482,9 +708,11 @@ export default {
          * @returns {void}
          */
         pauseMonitor() {
-            this.$root.getSocket().emit("pauseMonitor", this.monitor.id, (res) => {
-                this.$root.toastRes(res);
-            });
+            this.$root
+                .getSocket()
+                .emit("pauseMonitor", this.monitor.id, (res) => {
+                    this.$root.toastRes(res);
+                });
         },
 
         /**
@@ -552,7 +780,7 @@ export default {
          */
         clearHeartbeats() {
             this.$root.clearHeartbeats(this.monitor.id, (res) => {
-                if (! res.ok) {
+                if (!res.ok) {
                     toast.error(res.msg);
                 }
             });
@@ -569,7 +797,11 @@ export default {
                 translationPrefix = "Avg. ";
             }
 
-            if (this.monitor.type === "http" || this.monitor.type === "keyword" || this.monitor.type === "json-query") {
+            if (
+                this.monitor.type === "http" ||
+                this.monitor.type === "keyword" ||
+                this.monitor.type === "json-query"
+            ) {
                 return this.$t(translationPrefix + "Response");
             }
 
@@ -599,7 +831,10 @@ export default {
                 return parsedUrl.toString();
             } catch (e) {
                 // Handle SQL Server
-                return urlString.replaceAll(/Password=(.+);/ig, "Password=******;");
+                return urlString.replaceAll(
+                    /Password=(.+);/gi,
+                    "Password=******;"
+                );
             }
         },
 
@@ -609,12 +844,18 @@ export default {
          */
         getImportantHeartbeatListLength() {
             if (this.monitor) {
-                this.$root.getSocket().emit("monitorImportantHeartbeatListCount", this.monitor.id, (res) => {
-                    if (res.ok) {
-                        this.importantHeartBeatListLength = res.count;
-                        this.getImportantHeartbeatListPaged();
-                    }
-                });
+                this.$root
+                    .getSocket()
+                    .emit(
+                        "monitorImportantHeartbeatListCount",
+                        this.monitor.id,
+                        (res) => {
+                            if (res.ok) {
+                                this.importantHeartBeatListLength = res.count;
+                                this.getImportantHeartbeatListPaged();
+                            }
+                        }
+                    );
             }
         },
 
@@ -625,11 +866,19 @@ export default {
         getImportantHeartbeatListPaged() {
             if (this.monitor) {
                 const offset = (this.page - 1) * this.perPage;
-                this.$root.getSocket().emit("monitorImportantHeartbeatListPaged", this.monitor.id, offset, this.perPage, (res) => {
-                    if (res.ok) {
-                        this.displayedRecords = res.data;
-                    }
-                });
+                this.$root
+                    .getSocket()
+                    .emit(
+                        "monitorImportantHeartbeatListPaged",
+                        this.monitor.id,
+                        offset,
+                        this.perPage,
+                        (res) => {
+                            if (res.ok) {
+                                this.displayedRecords = res.data;
+                            }
+                        }
+                    );
             }
         },
 
@@ -661,13 +910,26 @@ export default {
 
         loadPushExample() {
             this.pushMonitor.code = "";
-            this.$root.getSocket().emit("getPushExample", this.pushMonitor.currentExample, (res) => {
-                let code = res.code
-                    .replace("60", this.monitor.interval)
-                    .replace("https://example.com/api/push/key?status=up&msg=OK&ping=", this.pushURL);
-                this.pushMonitor.code = code;
-            });
-        }
+            this.$root
+                .getSocket()
+                .emit(
+                    "getPushExample",
+                    this.pushMonitor.currentExample,
+                    (res) => {
+                        let code = res.code
+                            .replace("60", this.monitor.interval)
+                            .replace(
+                                "https://example.com/api/push/key?status=up&msg=OK&ping=",
+                                this.pushURL
+                            );
+                        this.pushMonitor.code = code;
+                    }
+                );
+        },
+
+        secondsToHumanReadableFormat(seconds) {
+            return relativeTimeFormatter.secondsToHumanReadableFormat(seconds);
+        },
     },
 };
 </script>
diff --git a/src/pages/EditMonitor.vue b/src/pages/EditMonitor.vue
index 56a86270d..f69b1c633 100644
--- a/src/pages/EditMonitor.vue
+++ b/src/pages/EditMonitor.vue
@@ -629,6 +629,9 @@
                             <div class="my-3">
                                 <label for="interval" class="form-label">{{ $t("Heartbeat Interval") }} ({{ $t("checkEverySecond", [ monitor.interval ]) }})</label>
                                 <input id="interval" v-model="monitor.interval" type="number" class="form-control" required :min="minInterval" step="1" :max="maxInterval" @blur="finishUpdateInterval">
+                                <div class="form-text">
+                                    {{ monitor.humanReadableInterval }}
+                                </div>
                             </div>
 
                             <div class="my-3">
@@ -1170,7 +1173,7 @@ import {
     MIN_INTERVAL_SECOND,
     sleep,
 } from "../util.ts";
-import { hostNameRegexPattern } from "../util-frontend";
+import { hostNameRegexPattern, relativeTimeFormatter } from "../util-frontend";
 import HiddenInput from "../components/HiddenInput.vue";
 import EditMonitorConditions from "../components/EditMonitorConditions.vue";
 
@@ -1186,6 +1189,7 @@ const monitorDefaults = {
     method: "GET",
     ipFamily: null,
     interval: 60,
+    humanReadableInterval: relativeTimeFormatter.secondsToHumanReadableFormat(60),
     retryInterval: 60,
     resendInterval: 0,
     maxretries: 0,
@@ -1568,6 +1572,8 @@ message HealthCheckResponse {
             if (this.monitor.retryInterval === oldValue) {
                 this.monitor.retryInterval = value;
             }
+            // Converting monitor.interval to human readable format.
+            this.monitor.humanReadableInterval = relativeTimeFormatter.secondsToHumanReadableFormat(value);
         },
 
         "monitor.timeout"(value, oldValue) {
diff --git a/src/util-frontend.js b/src/util-frontend.js
index d9bf378e5..a3dc4c3ac 100644
--- a/src/util-frontend.js
+++ b/src/util-frontend.js
@@ -213,3 +213,78 @@ export function getToastErrorTimeout() {
 
     return errorTimeout;
 }
+
+class RelativeTimeFormatter {
+    /**
+     * Default locale and options for Relative Time Formatter
+     */
+    constructor() {
+        this.options = { numeric: "auto" };
+        this.instance = new Intl.RelativeTimeFormat(currentLocale(), this.options);
+    }
+
+    /**
+     * Method to update the instance locale and options
+     * @param {string} locale Localization identifier (e.g., "en", "ar-sy") to update the instance with.
+     * @returns {void} No return value.
+     */
+    updateLocale(locale) {
+        this.instance = new Intl.RelativeTimeFormat(locale, this.options);
+    }
+
+    /**
+     * Method to convert seconds into Human readable format
+     * @param {number} seconds Receive value in seconds.
+     * @returns {string} String converted to Days Mins Seconds Format
+     */
+    secondsToHumanReadableFormat(seconds) {
+        const days = Math.floor(seconds / 86400);
+        const hours = Math.floor((seconds % 86400) / 3600);
+        const minutes = Math.floor(((seconds % 86400) % 3600) / 60);
+        const secs = ((seconds % 86400) % 3600) % 60;
+        const parts = [];
+        /**
+         * Build the formatted string from parts
+         * 1. Get the relative time formatted parts from the instance.
+         * 2. Filter out the relevant parts literal (unit of time) or integer (value).
+         * 3. Map out the required values.
+         * @param {number} value Receives value in seconds.
+         * @param {string} unitOfTime Expected unit of time after conversion.
+         * @returns {void}
+         */
+        const toFormattedPart = (value, unitOfTime) => {
+            const partsArray = this.instance.formatToParts(value, unitOfTime);
+            const filteredParts = partsArray
+                .filter(
+                    (part, index) =>
+                        (part.type === "literal" || part.type === "integer") &&
+                        index > 0
+                )
+                .map((part) => part.value);
+
+            const formattedString = filteredParts.join("").trim();
+            parts.push(formattedString);
+        };
+
+        if (days > 0) {
+            toFormattedPart(days, "days");
+        }
+        if (hours > 0) {
+            toFormattedPart(hours, "hour");
+        }
+        if (minutes > 0) {
+            toFormattedPart(minutes, "minute");
+        }
+        if (secs > 0) {
+            toFormattedPart(secs, "second");
+        }
+
+        if (parts.length > 0) {
+            return `${parts.join(" ")}`;
+        }
+        return this.instance.format(0, "second"); // Handle case for 0 seconds
+    }
+}
+
+export const relativeTimeFormatter = new RelativeTimeFormatter();
+