all hours

Idioms  

1. 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]

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Example Sentences

Even after he rose to the heights of the legal and financial world, the ultra-solicitous Karp was still known to respond to client emails and calls at all hours.

From The Wall Street Journal

Treatment facilities often face pushback from neighbors concerned over safety, but Homeboy said the site will be staffed and supervised at all hours of the day and that is has a “long track record of running safe, well-managed programs across Los Angeles.”

From Los Angeles Times

Soaring ceilings and walls of glass help to fill the main dwelling with natural light—and serve to turn the picture-perfect scenery that surrounds the compound into a living work of art at all hours of the day.

From MarketWatch

The balconies open onto the street, and you can hear the laughter of people at all hours.

From Literature

At the site where he was killed in south Minneapolis, close to the Calvary Baptist Church, mourners gathered at all hours to lay flowers and light candles in his honour.

From BBC