- Run each day at Hour:Min. Min is rounded to a multitude of 5.
- weekly(Day, Hour:Min)
- Run at the given Day and Time each week. Day is either a number 1..7 (1 is Monday) or a weekday name or abbreviation.
- monthly(DayOfTheMonth, Hour:Min)
- Run each month at the given Day (1..31). Note that not all months have all days.
This must be used with a timer that broadcasts a
maintenance(_,_) message (see broadcast/1).
Such a timer is part of