12 hours timer
Set a timer for 12 hours. Rings when it's done.
12:00:00
A countdown timer for 12 hours. 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 12 hours
- Have 90 showers
- Wash your teeth 360 times
- Watch 31 episodes of Friends
- Read 360 pages of a book
- Walk 36 miles
- Listen to Bohemian Rhapsody 120 times
- Watch Titanic 3 times
- Change 360 light bulbs
- Water 720 plants
- Read 2,160 emails
- Watch 2,880 TikToks
- Plant 24 trees
- Plant 24 trees
- Read 48 book summaries on Blinkist
- Blink 86,400 times
- Click this 270,000 times
In 12 hours...
- Your heart beats 43,200 times
- Light travels 8,035,206,106 miles
- Earth travels 820,800 miles around the Sun
- Your body produces 12 oz of saliva
- The International Space Station travels 205,619 miles
- Elon Musk earns $216,000,000
- 2,721,602,721 Google searches get made
- The U.S. national debt increases by $1,964,995
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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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