Input Help for Calender – How to change the First Day of Week

whenever you open the input help for a date field (value help, F4 help) – the first day of the week in the calender is per default Monday:

You want to change the first day to e.g. Sunday?

Use the Badi CALENDAR_DEFINITION with method  GET_FIRST_DAY_OF_WEEK.

The allowed values to change the parameter weekday are:

• MONDAY
• TUESDAY
• WEDNESDAY
• THURSDAY
• FRIDAY
• SATURDAY
• SUNDAY

You may use the constants defined in class interface IF_CALENDAR_DEFINITION .

For example: in the calendar, the first day of the week always shall be Sunday. The coding needed in the method will simply be:

weekday = IF_CALENDAR_DEFINITION=>C_SUNDAY.