at all hours
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at all hours (of the day and night)
At any time of the day or night. This phrase is usually said with a note of annoyance because something has happened at an inappropriate time. Please tell your girlfriend to stop calling our house at all hours of the day and night. I haven't slept in days—my neighbor's dog has been barking at all hours.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
at ˈall hours
at any time during the night or day; all the time: He comes here at all hours, sometimes in the middle of the night.Farlex Partner Idioms Dictionary © Farlex 2017