working hours; office hours; business hours
Refers to the scheduled time during which one is on duty at work. Commonly used in employment contexts.
Working hours are from 9 to 5.
勤務時間中は私用電話を控えてください。
Please refrain from personal calls during working hours.
Please don't make personal calls during working hours.
The working hours at this company are long.
Starting next month, my working hours will be changed.
I'm trying to finish my work within my working hours.