Users are trying to fill in the time cards from the mobile app on iOS. However, when they try to select the date (week starts on Monday) on timecards, the calendar view does not show the day (e.g. Monday, Tuesday, etc). It's hard to select the Monday from the calendar view.
How to find the selected date is Monday in mobile view on iOS.
All iOS versions
This is expected behavior on iOS. The mobile app uses the operating system's date picker, which has no obvious way to select a weekday.