This is the 1565th most frequent Japanese word.
勤務
Work; duty; service; employment.
'勤務' in this sentence refers to 'work duty' or 'working shift' starting time.
彼は毎日午前9時から勤務を始めます。
He starts work every day at 9 am.
'勤務' in this sentence indicates the duration or frame of a working period.
その勤務は深夜まで続きます。
The work extends until late at night.
'勤務' in this sentence is part of the compound word '勤務先', referring to the location related to one's work duties, i.e., 'workplace.'