Set an Alarm for 4:00 PM
The alarm below is already set for 4:00 PM. Pick a tone, press Set alarm, and keep this tab open — it rings and notifies you right on time.
16:37:18
Quick set
Label (optional)
Your timer keeps running and the alarm sounds as long as this tab stays open.
What time to sleep to wake at 4:00 PM
Sleep runs in roughly 90-minute cycles, and waking at the end of one feels easier than waking mid-cycle. To get up at 4:00 PM, aim to fall asleep at one of these times (each allows about 15 minutes to drift off):
6:45 AM
9 hours of sleep
8:15 AM
7.5 hours of sleep
9:45 AM
6 hours of sleep
Set an alarm for another time
Need a different time?
Open the full online alarm clock to set any time, choose a tone, label it and pick your snooze length. Free, in-browser and private.
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