clock in

US /klɑːk ɪn/
UK /klɑːk ɪn/
"clock in" picture
1.

fichar, registrar la entrada

to record one's arrival at work, especially by punching a time clock

:
I need to clock in before 9 AM.
Necesito fichar antes de las 9 AM.
Don't forget to clock in when you arrive.
No olvides fichar cuando llegues.