Function reference • gs

Basic schedules The buildings blocks of schedules.
`on_date()`	Specify the date(s) of a schedule
`on_mday()` `on_yday()` `on_qday()` `on_wday()` `on_weekend()` `on_weekday()`	Specify the day(s) of a schedule
`in_week()` `in_isoweek()` `in_epiweek()`	Specify the week(s) of a schedule
`in_month()`	Specify the month(s) of a schedule
`in_quarter()` `in_semester()`	Specify the quarter(s) of a schedule
`in_year()` `in_isoyear()` `in_epiyear()`	Specify the year(s) of a schedule
Join schedules Join schedules using set operations.
`also_occur()` `only_occur()`	Join schedules together
`dont_occur()`	Invert a schedule
Use schedules Make use of schedules.
`happen()`	Does a date fall on a schedule?
`schedule()` `schedule_days()` `schedule_hours()` `schedule_next_days()`	Get the events of a schedule
Limit schedules Place limits on how far schedules extend.
`after()` `before()` `in_between()` `on_or_after()` `on_or_before()`	Specify the start and end of a schedule
Miscellaneous schedules Extra schedules.
`on_nth()` `on_first()` `on_second()` `on_third()` `on_fourth()` `on_last()`	Schedule the nth events of a period
`roll_by()` `roll_forward()` `roll_backward()`	Roll scheduled events
`on_every_nth()` `on_every()` `on_every_second()` `in_every_nth()` `in_every()` `in_every_second()`	Make incremental events
`on_easter_sunday()` `on_good_friday()` `on_easter_monday()` `on_easter_saturday()` `on_easter_weekend()`	Schedule dates during Easter

Reference