00:21:00
H M S

Most popular timers

50 minutes11 minutes30 minuteshalf an hour16 minutes5 hours2 minutes2 hours15 minutes1 hour and 15 minutes9 minutes8 hours6 minutes40 minutesan hour and 15 minutesan hour and a half1 houran hour and 30 minutes

Wake me up in 21 minutes

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

Set this 21 minutes 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 minutes timer.

Set an timer for the specified time

23 minutes 40 seconds6 hours 53 minutes18 hours 18 minutes23 minutes 15 seconds1 minute 5 seconds12 hours 48 minutes1 hour 39 minutes21 hours 24 minutes18 hours 58 minutes19 hours 40 minutes12 hours 14 minutes6 hours 8 minutes10 minutes23 minutes 20 seconds16 hours 5 minutes6 minutes 15 seconds27 minutes 50 seconds90 minutes