set_time.dart

// This will check if the device is using 24-hour or 12-hour time settings.
// Experienced an error where client is in a different region and they can not
// select a time. It turns out we have different time format.

bool is24HourFormat = MediaQuery.of(context).alwaysUse24HourFormat;
String timeString = value.format(context);
if (is24HourFormat) {
  reportTimeController.text = timeString;
} else {
  DateTime timeDateTime = DateFormat("hh:mm a").parse(timeString);
  reportTimeController.text =  DateFormat("HH:mm").format(timeDateTime);
}