fix

Author: yihuiliao

packages/react-aria-components/src/HiddenDateInput.tsx

@@ -11,7 +11,7 @@
  */
 
 
-import {CalendarDate, CalendarDateTime, parseDate, parseDateTime} from '@internationalized/date';
+import {CalendarDate, CalendarDateTime, parseDate, parseDateTime, toCalendarDate, toCalendarDateTime, toLocalTimeZone} from '@internationalized/date';
 import {DateFieldState, DatePickerState, DateSegmentType} from 'react-stately';
 import React, {ReactNode} from 'react';
 import {useVisuallyHidden} from 'react-aria';
@@ -65,12 +65,14 @@ export function useHiddenDateInput(props: HiddenDateInputProps, state: DateField
   } else if (state.granularity === 'hour') {
     inputStep = 3600; 
   }
-
+  
   let dateValue = '';
-  if (state.value != null && 'toAbsoluteString' in state.value) {
-    dateValue = state.value.toAbsoluteString().replace('Z', '');
-  } else if (state.value != null) {
-    dateValue = state.value.toString();
+  if (state.value) {
+    if (state.granularity === 'day') {
+      dateValue = toCalendarDate(state.value).toString();
+    } else {
+      dateValue = toCalendarDateTime('timeZone' in state.value ? toLocalTimeZone(state.value) : state.value).toString();
+    }
   }
 
   let inputType = state.granularity === 'day' ? 'date' : 'datetime-local';