How is “all hours” used?

In Mary Reilly (1996), one line is: “I expect now she entertains gentlemen all hours of the day.”

Which movie is “all hours” from?

The clip at the top of this page is from Mary Reilly (1996).

I expect now she entertains gentlemen all hours of the day.

7 作品で登場 · 1 本目

any time, especially a time which is not usual or suitable

7 本の映画に登場

オックスフォード映画の 100%
any time, especially a time which is not usual or suitable
And don't be coming back here all hours of the night.
I expect now she entertains gentlemen all hours of the day.

定義：Oxford Advanced Learner's Dictionary 第 9 版