This device
Start, lap, reset
Lap times stay in the page until you reset. They are not uploaded. The tick is the same computer clock as the world clock.
This device
Lap times stay in the page until you reset. They are not uploaded. The tick is the same computer clock as the world clock.
Kitchen timer
The timer counts down to a duration and can beep. This stopwatch only counts up.
Unix time
If you need a timestamp rather than a lap list, the Unix calculator converts a UTC date to seconds.