What does "clock in" mean?

To begin working time, especially by punching in (entering a workplace by punching a time card with the time clock).

What is a synonym for "clock in"?

Common synonyms include: accomplish, achieve, approach, arrive, arrive at, arrive in.

verb

verb ·Rare ·Advanced level

Verb

1
To begin working time, especially by punching in (entering a workplace by punching a time card with the time clock). US
"We clocked in at 7:30, but didn't actually do any work until at least 8."
2
register one's arrival at work wordnet
3
To be measured at. idiomatic
"Big Joe clocks in at 384 pounds, far outweighing his opponent."

"We clocked in at 7:30, but didn't actually do any work until at least 8."