
Thirty minutes is a half hour: a common length for workouts, practice sessions and meetings. Press Start to begin, or Show full screen to put the countdown on a TV, projector or propped-up phone. When time's up, the screen flashes and beeps.
The timer keeps counting if you switch tabs or refresh the page. Need a different length? Use the minute buttons or set a custom time.
Music, language or sports practice with a clear finish line.
A half-hour session you can follow from anywhere in the room.
Keep a half-hour meeting to a half hour.
1 Minute, 2 Minutes, 3 Minutes, 5 Minutes, 10 Minutes, 15 Minutes, 20 Minutes, 25 Minutes, 45 Minutes, 1 Hour. For a clock or stopwatch, open the big clock.
Space starts and pauses. R resets. F shows it full screen, and Esc comes back.