Set Alarm for 3 Hours

Set alarm for 3 hours from now. An alarm will go off after 3 hours. Use this online alarm clock to wake me up in 3 hours.

Wake me up in 3 hours

Hours Minutes Seconds
Set Alarm

3 Hour Timer

The 3 hour timer shows a countdown that allows you to see exactly when the alarm will ring. You can turn off the alarm at any time.

set alarm for 2 hours
set alarm for 4 hours