time in

time in

1. noun An amount of time that was spent in (some place). We had the most amazing time in Puerto Rico. I will always treasure my time in Vancouver.
2. verb To officially record the beginning of one's day or shift at work. A noun or pronoun can be used between "time" and "in." We'd like to remind all employees that they will not be paid for any work they have completed until they have timed in for that shift. Sarah's going to be a couple of minutes late, so she asked me to time her in. I keep forgetting to time myself in when I get into the office.
See also: time
Farlex Dictionary of Idioms.

time someone in

to record someone's arrival time. I timed you in at noon. Where were you? My job is to time in people.
See also: time

time in

to record one's arrival time. Did you remember to time in this morning? When did she time in?
See also: time
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • a race against time
  • against time
  • against the clock
  • become pushed for time
  • be taken up with (someone or something)
  • any time means no time
  • any time
  • (it's) time to run
  • anytime
  • (it's) time to push along
References in classic literature
He spent most of his time in Oakland, rarely coming to the office.
"This was the first time in our history in Seattle that we did protest.
The fact that this maneuver put the security bill at risk (it passed the second time in the end by one vote) gives you some idea of priorities in the Bush White House.
When the Ayatollah took over, that was it." She notes that her boyfriend has not married during his time in the United States, though he could easily have done so to get citizenship.
While that change will become a focus for Wen at her new job, much of her time ins Baltimore was spent on the opioid crisis, looking for solutions to the problem whether they were socially acceptable or represented some outside-the-box thinking.
At this time INS officers were also permitted to carry the .357 Magnum 125-grain JHP or the 145-grain Silvertip, providing they could qualify with these higher-energy, harder-recoiling loads.