00:00:21
H M S

Most popular timers

21 minutes3 minutes35 minutes45 minutes20 minutes10 minutes4 minutesan hour and a half22 minuteshalf an hour5 minutes1 hour and 15 minutes25 minutes5 hours14 minutes9 hours10 hours11 minutes

Wake me up in 21 seconds

Wake me up in 21 seconds. Set timer for 21 seconds. Set the alarm for 21 seconds from now. It is a free and easy-to-use countdown timer.

Set this 21 seconds timer and let the countdown start. Use it to control the time limit of any activity and be notified when that limit has been reached. When the countdown stops, an alarm sound will ring.

Start 21 seconds timer.

Set an timer for the specified time

6 hours 41 minutes4 hours 1 minute20 hours 30 minutes65 minutes14 seconds21 hours 51 minutes21 minutes 55 seconds58 seconds21 hours 31 minutes4 hours 42 minutes20 hours 52 minutes24 minutes 5 seconds8 hours 34 minutes102 minutes1 minute 55 seconds44 minutes17 hours 51 minutes20 hours 10 minutes