The important things to know in the snippet are: RRULE SUMMARY DTSTART DESCRIPTION. Must be one of the RRule.MO, RRule.TU, RRule.WE constants, or an integer, specifying the first day of the week. Such events become exceptions: they are still part of the series, but changes are preserved even if the recurring event itself is updated. Here is a sample iCalendar … the event happens after a gap of 3 months), with the event occurring on 20th date of the appropriate month (i.e. Occurs every Tuesday effective 22-09-2015 until 17-11-2015 from AM 02:30 to AM 03:30 (UTC) Coordinated Universal Time. The above Recurrence rule is a iCal RRule produced by the Calendar Panel, which basically means that the Event recurrence is set to monthly, with the event recurring every 3 months (i.e. How to Set up a Repeating Event in Google Calendar (Last Day of the Month) I love Google calendar for its simplicity. Google Calendar. Offering your users to download events straight into their Google Calendar is a neat feature. I created a recurring appointment from September 22th 2015 to November 22th 2015 Every WEEKLY. iCalendar File Format. The Calendar Provider API can be used by applications and sync adapters. For this, you can compose a Calendar link for your users. Ical Recur appointment for every week . Individual events in a series may be changed, or even deleted. if there's a recurring calendar item that was defined three years ago and I skip an occurance next week it'll still be shown by the calendar module. Today, iCalendar is used to import and synchronize events on various platforms, including smart phones, computer and web applications. The Calendar Provider is a repository for a user's calendar events. Web applications include Microsoft Office 365, Apple Calendar, Google Calendar, and Yahoo Calendar. RRULE. FREQ=MONTHLY. The week start day. The Calendar Provider API allows you to perform query, insert, update, and delete operations on calendars, events, attendees, reminders, and so on. However, once in a while there are things that pop up, and trying to set up a repeating event in Google Calendar on the last day of the month is one of them. This will affect recurrences based on weekly periods. Right now, I'm using the rrulestr class to parse (part of) the RRULE data and rruleset to add EXDATE entries:.
And 99% of the time it does everything I need it to do just fine. I'm using the icalendar module to parse (google) calendar entries and the dateutil.rrule module to deal with recurring events.. For this example, Google Calendar parses the RRULE correctly and even describes the recurrence as "Monthly on Friday of weeks 1, 3, 5 of the month": Of course, you won't be able to tweak the custom recurrence rule from within Google Calendar, unless you want to replace the recurrence rule entirely with one of the standard options. The default week start is RRule.MO.

Obviously this is telling the Calendar that this event is to occur monthly. There is an additional issue that "UNTIL" statements in the RRULE doesn't seem to be honored correctly either, i.e. Coding Explained. Google Calendar will then 'expand' the event into the specified occurrences.