This is the FullMoon Event Date Type Editor View. Here you select the Month, the Weekday and the Number of the Week of the event being edited.

Here the selected Event Date is the "Last Friday of the Month of Ramadhan".

Tapping the Cancel button abandons the selection and returns to the old Event Month, the Weekday and the Number of the Week. Tapping the Accept button accepts the selected Event Month, the Weekday and the Number of the Week.