account, schduels, timezone profile and many imporant updates

frontend/src/components/common/ScheduleContentModal.tsx

@@ -2,6 +2,7 @@ import React, { useState, useEffect } from 'react';
 import { Modal } from '../ui/modal';
 import Button from '../ui/button/Button';
 import { CalendarIcon, ClockIcon } from '../../icons';
+import { getAccountTimezone } from '../../utils/timezone';
 
 interface Content {
   id: number;
@@ -84,7 +85,8 @@ const ScheduleContentModal: React.FC<ScheduleContentModalProps> = ({
         day: 'numeric',
         hour: 'numeric',
         minute: '2-digit',
-        hour12: true
+        hour12: true,
+        timeZone: getAccountTimezone(),
       });
     } catch (error) {
       return '';
@@ -154,7 +156,7 @@ const ScheduleContentModal: React.FC<ScheduleContentModalProps> = ({
           {selectedDate && selectedTime && (
             <div className="bg-blue-50 border-l-4 border-blue-500 p-4 rounded">
               <p className="text-sm font-medium text-blue-900">
-                Preview: {formatPreviewDate()}
+                Preview: {formatPreviewDate()} ({getAccountTimezone()})
               </p>
             </div>
           )}