The date by which a task is supposed to be completed.
The date on which a pregnant woman is expected to give birth.
The date by which a book (or other item) borrowed from a library must be returned.
The date of payment in financial arrangements.
The time when something happens.
The synchronization of the firing of the spark plugs in an internal combustion engine.
The regulation of the pace of e.g. an athletic race, the speed of an engine, the delivery of a joke, or the occurrence of a series of events.
An instance of recording the time of something.