Set an alarm for 8 Hours
⏱ A countdown timer for 8 Hours (28,800 seconds). Press Start and an alarm sounds when time is up.
Set a timer for another length
8 Hours in other units
| Seconds | 28,800 |
|---|---|
| Milliseconds | 28,800,000 |
| Minutes | 480 |
| Hours | 8 |
| Share of an hour | 800% |
| Share of a day | 33.333% |
| Fits into one day | 3 times |
When does a 8 Hours timer end?
| Start | Ends |
|---|---|
| 6:00 AM | 2:00 PM |
| 8:00 AM | 4:00 PM |
| 9:00 AM | 5:00 PM |
| 12:00 PM | 8:00 PM |
| 3:00 PM | 11:00 PM |
| 6:00 PM | 2:00 AM (+1 day) |
| 9:00 PM | 5:00 AM (+1 day) |
Press Start above and the finish time for right now is shown under the timer.
What can you do in 8 hours?
Let bread dough rise or run a slow cooker.
Limit screen time or a game session.
Track a full night's sleep — adults need 7 or more hours.
Questions about the 8 hours timer
How do I set a timer for 8 hours?
Press Start on this page. The timer counts down 8 hours and plays an alarm sound when it reaches zero. You can pause or reset it at any time.
How many seconds is 8 hours?
8 Hours is 28,800 seconds.