(at|) all hours
1
at any given hour, particularly a time that is late
The origin of the idiom "all hours" are rooted in the concept of time and the measurement of hours. The phrase evolved as a way to describe activities or situations that occur without restriction or limitation regarding specific hours of the day or night. It is often employed to describe instances where someone is constantly engaged in a task, available for assistance, or working diligently without regard for normal working hours.
- She works all hours to meet the demands of her high-pressure job.
- The convenience store is open all hours to cater to customers' needs.
- He studies at all hours of the day and night to prepare for his exams.
- They worked all hours to complete the project before the deadline.
- The team practiced all hours leading up to the championship game.