Wake me up in 28 minutes 50 seconds. Set timer for 28 minutes 50 seconds. Set the alarm for 28 minutes 50 seconds from now. It is a free and easy-to-use countdown timer.
Set this 28 minutes 50 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 28 minutes 50 seconds timer.