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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

18 minutes 55 seconds23 hours 34 minutes19 hours 4 minutes4 hours 1 minute4 hours 24 minutes18 hours 18 minutes52 minutes22 hours 6 minutes31 seconds19 hours4 hours 39 minutes23 minutes 15 seconds20 hours 53 minutes4 hours 12 minutes11 minutes 25 seconds6 minutes 55 seconds16 hours 43 minutes18 hours 42 minutes