13 hours and 21 minutes timer
Set a timer for 13 hours and 21 minutes. Rings when it's done.
13:21:00
A countdown timer for 13 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 13 hours and 21 minutes
- Have 100 showers
- Wash your teeth 400 times
- Watch 34 episodes of Friends
- Read 400 pages of a book
- Walk 40 miles
- Listen to Bohemian Rhapsody 133 times
- Watch Titanic 4 times
- Change 400 light bulbs
- Water 801 plants
- Read 2,403 emails
- Watch 3,204 TikToks
- Plant 26 trees
- Plant 26 trees
- Read 53 book summaries on Blinkist
- Blink 96,120 times
- Click this 300,375 times
In 13 hours and 21 minutes...
- Your heart beats 48,060 times
- Light travels 8,939,166,793 miles
- Earth travels 913,140 miles around the Sun
- Your body produces 13 oz of saliva
- The International Space Station travels 228,751 miles
- Elon Musk earns $240,300,000
- 3,027,783,027 Google searches get made
- The U.S. national debt increases by $2,186,057
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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.
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