solving problem with dates and time in create order one time

apps/mobile/packages/features/client/create_order/lib/src/data/repositories_impl/client_create_order_repository_impl.dart

@@ -62,7 +62,12 @@ class ClientCreateOrderRepositoryImpl
       throw Exception('Vendor is missing.');
     }
 
-    final fdc.Timestamp orderTimestamp = _toTimestamp(order.date);
+    final DateTime orderDateOnly = DateTime(
+      order.date.year,
+      order.date.month,
+      order.date.day,
+    );
+    final fdc.Timestamp orderTimestamp = _toTimestamp(orderDateOnly);
     final fdc.OperationResult<dc.CreateOrderData, dc.CreateOrderVariables> orderResult = await _dataConnect
         .createOrder(businessId: businessId, orderType: dc.OrderType.ONE_TIME)
         .vendorId(vendorId)
@@ -109,6 +114,10 @@ class ClientCreateOrderRepositoryImpl
       final double rate = order.roleRates[position.role] ?? 0;
       final double totalValue = rate * hours * position.count;
 
+      print(
+        'CreateOneTimeOrder shiftRole: start=${start.toIso8601String()} end=${normalizedEnd.toIso8601String()}',
+      );
+
       await _dataConnect
           .createShiftRole(
             shiftId: shiftId,
@@ -182,7 +191,17 @@ class ClientCreateOrderRepositoryImpl
   }
 
   fdc.Timestamp _toTimestamp(DateTime dateTime) {
-    final DateTime utc = dateTime.toUtc();
+    // Keep the selected local time as-is by treating it as UTC.
+    final DateTime utc = DateTime.utc(
+      dateTime.year,
+      dateTime.month,
+      dateTime.day,
+      dateTime.hour,
+      dateTime.minute,
+      dateTime.second,
+      dateTime.millisecond,
+      dateTime.microsecond,
+    );
     final int seconds = utc.millisecondsSinceEpoch ~/ 1000;
     final int nanoseconds = (utc.microsecondsSinceEpoch % 1000000) * 1000;
     return fdc.Timestamp(nanoseconds, seconds);