Correction: off-by-one only occurs if the time set is before UTC midnight. For AEST (Australian Eastern Standard Time, which is UTC+10) you can use an RRULE of "FREQ=WEEKLY;INTERVAL=2;BYDAY=TH" provided that the time is 10:00AM or later.
Correction: off-by-one only occurs if the time set is before UTC midnight. For AEST (Australian Eastern Standard Time, which is UTC+10) you can use an RRULE of "FREQ=WEEKLY; INTERVAL= 2;BYDAY= TH" provided that the time is 10:00AM or later.