Set an alarm for 2:21 AM
⏰ The alarm will ring at 2:21 AM — in 0 h 17 min
Set an alarm for another time
Best bedtimes to wake up at 2:21 AM
| Go to bed at | Sleep cycles | Sleep |
|---|---|---|
| 5:06 PM | 6 | 9 h |
| 6:36 PM | 5 | 7 h 30 min |
| 8:06 PM | 4 | 6 h |
| 9:36 PM | 3 | 4 h 30 min |
Assumes about 15 minutes to fall asleep and sleep cycles of roughly 90 minutes. Cycle length varies from person to person, so treat these as estimates.
Snooze times after a 2:21 AM alarm
| Snooze length | 1st | 2nd | 3rd |
|---|---|---|---|
| 5 minutes | 2:26 AM | 2:31 AM | 2:36 AM |
| 9 minutes | 2:30 AM | 2:39 AM | 2:48 AM |
| 10 minutes | 2:31 AM | 2:41 AM | 2:51 AM |
Nine minutes is the traditional snooze length on many alarm clocks.
About 2:21 AM
Around 2 AM most people are in their deepest stretch of sleep. In regions that observe daylight saving time, clocks usually change at 2:00 AM.
Press “Start Alarm” and keep this tab open; press “Test Alarm” first to check the volume.
About 2:21 AM
| 12-hour clock | 2:21 AM |
|---|---|
| 24-hour clock | 02:21 |
| Military time | 0221 |
| In words | Twenty-one minutes past two |
| Part of the day | Night |
Questions about a 2:21 AM alarm
How do I set an alarm for 2:21 AM?
Open this page, press “Start Alarm” and leave the tab open. The alarm rings at 2:21 AM, which is 17 minutes, 10 seconds from now.
What time should I go to bed to wake up at 2:21 AM?
For five full sleep cycles, go to bed around 6:36 PM; for six cycles, around 5:06 PM.