R1:182611ef7e57

Schedule monthly events on the 29th, 30th or 31st relative to the end of the month

Summary:
Ref T11326. If you scheudle a monthly event on the 31st, the default behavior of RRULE means that it only occurs in months with 31 days.

This is actually how Google Calendar and Calendar.app both work: if you schedule a monthly event on the 31st, you get about six events per year.

This seems real confusing and bad to me?

Instead, if the user schedules a monthly event on the 29th, 30th or 31st, pretend they…