diff --git a/app/payment/[uuid]/page.js b/app/payment/[uuid]/page.js
index cf1c035..33b0cf4 100644
--- a/app/payment/[uuid]/page.js
+++ b/app/payment/[uuid]/page.js
@@ -99,6 +99,7 @@ export default function PaymentDetailsPage() {
     const formatDate = (timestamp) => {
         const date = new Date(parseInt(timestamp) * 1000);
         return new Intl.DateTimeFormat("fa-IR", {
+            timeZone: "Asia/Tehran",
             year: "numeric",
             month: "long",
             day: "numeric",
diff --git a/components/appointment/information/Detail.js b/components/appointment/information/Detail.js
index 189775f..121d0a1 100644
--- a/components/appointment/information/Detail.js
+++ b/components/appointment/information/Detail.js
@@ -16,7 +16,7 @@ function Detail({ doctor, step, setStep, selectedSlot, selectedDate }) {
 
   // فرمت کردن تاریخ به شمسی
   const formattedDate = selectedDate
-    ? moment.unix(selectedDate).locale('fa').format('jDD jMMMM jYYYY')
+    ? moment.unix(selectedDate).utcOffset(210).locale('fa').format('jDD jMMMM jYYYY')
     : "تاریخ انتخاب نشده";
 
   // فرمت کردن زمان
diff --git a/components/appointment/paying/index.js b/components/appointment/paying/index.js
index 63a16c6..5b25d78 100644
--- a/components/appointment/paying/index.js
+++ b/components/appointment/paying/index.js
@@ -92,9 +92,10 @@ function Paying({ setStep, appointmentId, expiresAt, doctor, data, isForAnother,
             <div className="flex justify-between items-center text-[14px] md:text-[15px]">
               <span className="text-[#9B9B9B]">زمان نوبت</span>
               <span className="text-[#3B3B3B] font-medium" dir="rtl">
-                {moment.unix(selectedSlot.start).locale("fa").format("dddd jD jMMMM jYYYY")}
+                {/* utcOffset(210) = ساعت رسمی ایران (+03:30)، مستقل از tz مرورگر بیمار */}
+                {moment.unix(selectedSlot.start).utcOffset(210).locale("fa").format("dddd jD jMMMM jYYYY")}
                 {" — ساعت "}
-                {moment.unix(selectedSlot.start).format("HH:mm")}
+                {moment.unix(selectedSlot.start).utcOffset(210).format("HH:mm")}
               </span>
             </div>
           )}