clock off
US /klɑːk ɑːf/
UK /klɑːk ɑːf/

1.
退勤する, 仕事を終える
to record the time at which you stop work, especially by putting a card into a special machine
:
•
I usually clock off at 5 PM.
私は通常午後5時に退勤します。
•
Don't forget to clock off before you leave.
帰る前に退勤するのを忘れないでください。