8 hours and 21 minutes timer
Set a timer for 8 hours and 21 minutes. Rings when it's done.
08:21:00
A countdown timer for 8 hours and 21 minutes. Press the "Start" button to start the timer. The timer will alert you when it expires. You can reset the timer at any time using the "Reset" button. You can also pause the timer at any time using the "Pause" button.
Custom timer
Hours
Minutes
Seconds
Things you can do in 8 hours and 21 minutes
- Have 62 showers
- Wash your teeth 250 times
- Watch 21 episodes of Friends
- Read 250 pages of a book
- Walk 25 miles
- Listen to Bohemian Rhapsody 83 times
- Watch Titanic 2 times
- Change 250 light bulbs
- Water 501 plants
- Read 1,503 emails
- Watch 2,004 TikToks
- Plant 16 trees
- Plant 16 trees
- Read 33 book summaries on Blinkist
- Blink 60,120 times
- Click this 187,875 times
In 8 hours and 21 minutes...
- Your heart beats 30,060 times
- Light travels 5,591,164,249 miles
- Earth travels 571,140 miles around the Sun
- Your body produces 8 oz of saliva
- The International Space Station travels 143,076 miles
- Elon Musk earns $150,300,000
- 1,893,781,893 Google searches get made
- The U.S. national debt increases by $1,367,309
Popular timers
1 minute timer
2 minute timer
3 minute timer
4 minute timer
5 minute timer
6 minute timer
7 minute timer
8 minute timer
9 minute timer
10 minute timer
15 minute timer
20 minute timer
25 minute timer
30 minute timer
35 minute timer
40 minute timer
45 minute timer
45 minute timer
50 minute timer
55 minute timer
60 minute timer
Other timers
2 minutes and 9 seconds5 minutes and 1 seconds6 minutes and 53 seconds9 minutes and 58 seconds11 minutes and 4 seconds12 minutes and 1 seconds13 minutes and 16 seconds21 minutes and 48 seconds23 minutes and 18 seconds24 minutes and 40 seconds24 minutes and 60 seconds26 minutes and 28 seconds38 minutes and 14 seconds39 minutes and 38 seconds45 minutes and 1 seconds47 minutes and 2 seconds53 minutes and 21 seconds55 minutes and 14 seconds55 minutes and 45 seconds55 minutes and 48 seconds57 minutes and 35 seconds58 minutes and 40 seconds59 minutes and 15 seconds60 minutes and 18 seconds1 hours and 18 minutes2 hours and 60 minutes9 hours and 19 minutes11 hours and 40 minutes12 hours and 54 minutes17 hours and 6 minutes
Frequently asked questions
Why do I need a timer?
If you're here, you probably already need it for something. In any case, timers are useful any time you need to perform a certain action for a specific amount of time. The timer alerts you when that time period is over.
How do I know when the timer is up?
When the timer is up, we'll play a 2 second alert and the timer will blink red. We'll also update the timer in the page title, so you will instantly see it even if you have multiple browser tabs open.
Can I use it on my phone?
Yes, it works on any device with a browser.
How can I support you?
Bookmark timer.guru and share it on social media.