all hours

Idioms and Phrases

Irregular times, as in You can't come home at all hours and expect your supper to be ready . The expression can also mean “late at night,” as in College students like to stay up talking until all hours . It is sometimes amplified into all hours of the day and night . [c. 1930]

Example Sentences

Again, the Europeans have AWACS, but not enough crews to handle an all-hours campaign lasting months.

From The Daily Beast

Then Abdullah called for one of his private secretaries to hand over his name and an all-hours royal-switchboard telephone number.

From The Daily Beast