Set an alarm for 9:21
⏰ The alarm will ring at 9:21 AM — in 7 h 12 min
Set an alarm for another time
Best bedtimes to wake up at 9:21 AM
| Go to bed at | Sleep cycles | Sleep |
|---|---|---|
| 12:06 AM | 6 | 9 h |
| 1:36 AM | 5 | 7 h 30 min |
| 3:06 AM | 4 | 6 h |
| 4:36 AM | 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 9:21 AM alarm
| Snooze length | 1st | 2nd | 3rd |
|---|---|---|---|
| 5 minutes | 9:26 AM | 9:31 AM | 9:36 AM |
| 9 minutes | 9:30 AM | 9:39 AM | 9:48 AM |
| 10 minutes | 9:31 AM | 9:41 AM | 9:51 AM |
Nine minutes is the traditional snooze length on many alarm clocks.
About 9:21 AM
9 AM is the classic start of the working day. U.S. stock markets open at 9:30 AM Eastern Time.
Press “Start Alarm” and keep this tab open; press “Test Alarm” first to check the volume.
About 9:21 AM
| 12-hour clock | 9:21 AM |
|---|---|
| 24-hour clock | 09:21 |
| Military time | 0921 |
| In words | Twenty-one minutes past nine |
| Part of the day | Morning |
Questions about a 9:21 alarm
How do I set an alarm for 9:21?
Open this page, press “Start Alarm” and leave the tab open. The alarm rings at 9:21 AM, which is 7 hours, 12 minutes from now.
What time should I go to bed to wake up at 9:21 AM?
For five full sleep cycles, go to bed around 1:36 AM; for six cycles, around 12:06 AM.