timing rule

noun
UK /ˈtaɪmɪŋ ruːl/
US /ˈtaɪmɪŋ ruːl/

A timing rule is a rule that tells you when to do something.

The timing rule says we must leave at eight o'clock.


OTHER MEANINGS

2. A rule in a game or sport about how long something may take.

The timing rule in chess limits how long each player can think.

3. A rule in a computer program that controls when an action happens.

The timing rule makes the animation start after two seconds.

4. A rule about the right moment to speak or act.

His timing rule is to wait until everyone else has finished talking.