diff --git a/server/client.js b/server/client.js
index a0c52e1e4..795b3ad48 100644
--- a/server/client.js
+++ b/server/client.js
@@ -4,7 +4,8 @@
 const { TimeLogger } = require("../src/util");
 const { R } = require("redbean-node");
 const { UptimeKumaServer } = require("./uptime-kuma-server");
-const io = UptimeKumaServer.getInstance().io;
+const server = UptimeKumaServer.getInstance();
+const io = server.io;
 const { setting } = require("./util-server");
 const checkVersion = require("./check-version");
 
@@ -121,7 +122,8 @@ async function sendInfo(socket) {
     socket.emit("info", {
         version: checkVersion.version,
         latestVersion: checkVersion.latestVersion,
-        primaryBaseURL: await setting("primaryBaseURL")
+        primaryBaseURL: await setting("primaryBaseURL"),
+        serverTimezone: await server.getTimezone(),
     });
 }
 
diff --git a/server/model/maintenance.js b/server/model/maintenance.js
index 3d0595a75..840267ef5 100644
--- a/server/model/maintenance.js
+++ b/server/model/maintenance.js
@@ -1,5 +1,5 @@
 const { BeanModel } = require("redbean-node/dist/bean-model");
-const { parseTimeObject, parseTimeFromTimeObject, isoToUTCDateTime, utcToISODateTime } = require("../../src/util");
+const { parseTimeObject, parseTimeFromTimeObject, isoToUTCDateTime, utcToISODateTime, SQL_DATETIME_FORMAT, utcToLocal, localToUTC } = require("../../src/util");
 const { isArray } = require("chart.js/helpers");
 const { timeObjectToUTC, timeObjectToLocal } = require("../util-server");
 
@@ -15,9 +15,9 @@ class Maintenance extends BeanModel {
 
         let dateRange = [];
         if (this.start_date) {
-            dateRange.push(utcToISODateTime(this.start_date));
+            dateRange.push(utcToLocal(this.start_date));
             if (this.end_date) {
-                dateRange.push(utcToISODateTime(this.end_date));
+                dateRange.push(utcToLocal(this.end_date));
             }
         }
 
@@ -92,10 +92,10 @@ class Maintenance extends BeanModel {
         bean.active = obj.active;
 
         if (obj.dateRange[0]) {
-            bean.start_date = isoToUTCDateTime(obj.dateRange[0]);
+            bean.start_date = localToUTC(obj.dateRange[0]);
 
             if (obj.dateRange[1]) {
-                bean.end_date = isoToUTCDateTime(obj.dateRange[1]);
+                bean.end_date = localToUTC(obj.dateRange[1]);
             }
         }
 
diff --git a/src/languages/en.js b/src/languages/en.js
index 5a959f275..d6a65b042 100644
--- a/src/languages/en.js
+++ b/src/languages/en.js
@@ -616,7 +616,7 @@ export default {
     recurringInterval: "Interval",
     "Recurring": "Recurring",
     strategyManual: "Active/Inactive Manually",
-    warningTimezone: "It is using your current Device/PC's timezone.",
+    warningTimezone: "It is using the server's timezone",
     weekdayShortMon: "Mon",
     weekdayShortTue: "Tue",
     weekdayShortWed: "Wed",
diff --git a/src/pages/EditMaintenance.vue b/src/pages/EditMaintenance.vue
index be9f7ce4d..946059cb5 100644
--- a/src/pages/EditMaintenance.vue
+++ b/src/pages/EditMaintenance.vue
@@ -82,7 +82,7 @@
 
                             <h2 class="mt-5">{{ $t("Date and Time") }}</h2>
 
-                            <div>⚠️ {{ $t("warningTimezone") }}</div>
+                            <div>⚠️ {{ $t("warningTimezone") }}: {{ $root.info.serverTimezone }}</div>
 
                             <!-- Strategy -->
                             <div class="my-3">
@@ -105,10 +105,11 @@
                                     <Datepicker
                                         v-model="maintenance.dateRange"
                                         :dark="$root.isDark"
-                                        range textInput
+                                        range
                                         :monthChangeOnScroll="false"
                                         :minDate="minDate"
                                         format="yyyy-MM-dd HH:mm"
+                                        modelType="yyyy-MM-dd HH:mm:ss"
                                     />
                                 </div>
                             </template>
@@ -186,7 +187,6 @@
                                         :dark="$root.isDark"
                                         timePicker
                                         disableTimeRangeValidation range
-                                        textInput
                                     />
                                 </div>
 
@@ -196,7 +196,7 @@
                                     <Datepicker
                                         v-model="maintenance.dateRange"
                                         :dark="$root.isDark"
-                                        range textInput datePicker
+                                        range datePicker
                                         :monthChangeOnScroll="false"
                                         :minDate="minDate"
                                         :enableTimePicker="false"
diff --git a/src/util.js b/src/util.js
index 2c914cb67..ec2d23223 100644
--- a/src/util.js
+++ b/src/util.js
@@ -7,7 +7,7 @@
 // Backend uses the compiled file util.js
 // Frontend uses util.ts
 Object.defineProperty(exports, "__esModule", { value: true });
-exports.utcToISODateTime = exports.isoToUTCDateTime = exports.parseTimeFromTimeObject = exports.parseTimeObject = exports.getMaintenanceRelativeURL = exports.getMonitorRelativeURL = exports.genSecret = exports.getCryptoRandomInt = exports.getRandomInt = exports.getRandomArbitrary = exports.TimeLogger = exports.polyfill = exports.log = exports.debug = exports.ucfirst = exports.sleep = exports.flipStatus = exports.STATUS_PAGE_MAINTENANCE = exports.STATUS_PAGE_PARTIAL_DOWN = exports.STATUS_PAGE_ALL_UP = exports.STATUS_PAGE_ALL_DOWN = exports.MAINTENANCE = exports.PENDING = exports.UP = exports.DOWN = exports.appName = exports.isDev = void 0;
+exports.localToUTC = exports.utcToLocal = exports.utcToISODateTime = exports.isoToUTCDateTime = exports.parseTimeFromTimeObject = exports.parseTimeObject = exports.getMaintenanceRelativeURL = exports.getMonitorRelativeURL = exports.genSecret = exports.getCryptoRandomInt = exports.getRandomInt = exports.getRandomArbitrary = exports.TimeLogger = exports.polyfill = exports.log = exports.debug = exports.ucfirst = exports.sleep = exports.flipStatus = exports.SQL_DATETIME_FORMAT = exports.SQL_DATE_FORMAT = exports.STATUS_PAGE_MAINTENANCE = exports.STATUS_PAGE_PARTIAL_DOWN = exports.STATUS_PAGE_ALL_UP = exports.STATUS_PAGE_ALL_DOWN = exports.MAINTENANCE = exports.PENDING = exports.UP = exports.DOWN = exports.appName = exports.isDev = void 0;
 const dayjs = require("dayjs");
 exports.isDev = process.env.NODE_ENV === "development";
 exports.appName = "Uptime Kuma";
@@ -19,6 +19,8 @@ exports.STATUS_PAGE_ALL_DOWN = 0;
 exports.STATUS_PAGE_ALL_UP = 1;
 exports.STATUS_PAGE_PARTIAL_DOWN = 2;
 exports.STATUS_PAGE_MAINTENANCE = 3;
+exports.SQL_DATE_FORMAT = "YYYY-MM-DD";
+exports.SQL_DATETIME_FORMAT = "YYYY-MM-DD HH:mm:ss";
 /** Flip the status of s */
 function flipStatus(s) {
     if (s === exports.UP) {
@@ -351,7 +353,7 @@ function parseTimeFromTimeObject(obj) {
 }
 exports.parseTimeFromTimeObject = parseTimeFromTimeObject;
 function isoToUTCDateTime(input) {
-    return dayjs(input).utc().format("YYYY-MM-DD HH:mm:ss");
+    return dayjs(input).utc().format(exports.SQL_DATETIME_FORMAT);
 }
 exports.isoToUTCDateTime = isoToUTCDateTime;
 /**
@@ -361,3 +363,15 @@ function utcToISODateTime(input) {
     return dayjs.utc(input).toISOString();
 }
 exports.utcToISODateTime = utcToISODateTime;
+/**
+/**
+ * For SQL_DATETIME_FORMAT
+ */
+function utcToLocal(input) {
+    return dayjs.utc(input).local().format(exports.SQL_DATETIME_FORMAT);
+}
+exports.utcToLocal = utcToLocal;
+function localToUTC(input) {
+    return dayjs(input).utc().format(exports.SQL_DATETIME_FORMAT);
+}
+exports.localToUTC = localToUTC;
diff --git a/src/util.ts b/src/util.ts
index 363bfc06c..34e0905d9 100644
--- a/src/util.ts
+++ b/src/util.ts
@@ -23,6 +23,9 @@ export const STATUS_PAGE_ALL_UP = 1;
 export const STATUS_PAGE_PARTIAL_DOWN = 2;
 export const STATUS_PAGE_MAINTENANCE = 3;
 
+export const SQL_DATE_FORMAT = "YYYY-MM-DD";
+export const SQL_DATETIME_FORMAT = "YYYY-MM-DD HH:mm:ss";
+
 /** Flip the status of s */
 export function flipStatus(s: number) {
     if (s === UP) {
@@ -396,7 +399,7 @@ export function parseTimeFromTimeObject(obj : any) {
 
 
 export function isoToUTCDateTime(input : string) {
-    return dayjs(input).utc().format("YYYY-MM-DD HH:mm:ss");
+    return dayjs(input).utc().format(SQL_DATETIME_FORMAT);
 }
 
 /**
@@ -405,3 +408,15 @@ export function isoToUTCDateTime(input : string) {
 export function utcToISODateTime(input : string) {
     return dayjs.utc(input).toISOString();
 }
+
+/**
+/**
+ * For SQL_DATETIME_FORMAT
+ */
+export function utcToLocal(input : string) {
+    return dayjs.utc(input).local().format(SQL_DATETIME_FORMAT);
+}
+
+export function localToUTC(input : string) {
+    return dayjs(input).utc().format(SQL_DATETIME_FORMAT);
+}