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

They are active at all hours and can be bolder than usual.

From Los Angeles Times

“There is a genuine dispute of fact whether the ability to be available at all hours of the day and to work long, unpredictable hours is an essential function of the analyst role,” Judge Edgardo Ramos wrote in an October opinion detailing why the case would go to trial.

From The Wall Street Journal

Centerview in court filings has argued that being available at all hours and working unpredictably during an active deal is a basic requirement of the investment banking analyst job.

From The Wall Street Journal

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