18 hours and 21 minutes timer
Set a timer for 18 hours and 21 minutes. Rings when it's done.
18:21:00
A countdown timer for 18 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 18 hours and 21 minutes
- Have 137 showers
- Wash your teeth 550 times
- Watch 47 episodes of Friends
- Read 550 pages of a book
- Walk 55 miles
- Listen to Bohemian Rhapsody 183 times
- Watch Titanic 5 times
- Change 550 light bulbs
- Water 1,101 plants
- Read 3,303 emails
- Watch 4,404 TikToks
- Plant 36 trees
- Plant 36 trees
- Read 73 book summaries on Blinkist
- Blink 132,120 times
- Click this 412,875 times
In 18 hours and 21 minutes...
- Your heart beats 66,060 times
- Light travels 12,287,169,338 miles
- Earth travels 1,255,140 miles around the Sun
- Your body produces 18 oz of saliva
- The International Space Station travels 314,425 miles
- Elon Musk earns $330,300,000
- 4,161,784,161 Google searches get made
- The U.S. national debt increases by $3,004,805
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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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