1.
regular working hours; official end of work time
The officially designated end time of the workday, without overtime.
今日は定時で帰る。
I'm leaving at regular time today.
定時に上がれるのは珍しい。
It's rare to be able to leave on time.
2.
scheduled time; regular time
A fixed, predetermined time for something to occur.
定時に発車します。
It departs at the scheduled time.
ETYMOLOGY:
定 (fixed, determined) + 時 (time)
WORKPLACE USAGE:
「定時で上がる」(to leave at regular time) or 「定時退社」is the expression for leaving work without overtime.
RELATED WORK TERMS:
- 残業 - overtime work
- 退勤 - leaving work
- 勤怠 - attendance/time management
COLLOCATIONS:
- 定時で帰る/上がる - to leave at regular time
- 定時退社 - leaving work on time
- 定時に間に合う - to make it on time