calendarrule

noun
UK /ˈkælɪndə ruːl/
US /ˈkælɪndər ruːl/

A calendar rule is a rule that tells you when something should happen on a calendar.

The calendar rule says we have a meeting on the first Monday of every month.


OTHER MEANINGS

2. A setting in a calendar app that decides how events repeat.

She set a calendar rule so her birthday reminder appears every year.

3. A company policy about how days are counted on a work calendar.

The new calendar rule gives everyone an extra day off in December.

4. A math rule used to work out dates, like leap years.

The leap-year calendar rule adds an extra day every four years.