20 hours and 21 minutes timer
Set a timer for 20 hours and 21 minutes. Rings when it's done.
20:21:00
A countdown timer for 20 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 20 hours and 21 minutes
- Have 152 showers
- Wash your teeth 610 times
- Watch 53 episodes of Friends
- Read 610 pages of a book
- Walk 61 miles
- Listen to Bohemian Rhapsody 203 times
- Watch Titanic 6 times
- Change 610 light bulbs
- Water 1,221 plants
- Read 3,663 emails
- Watch 4,884 TikToks
- Plant 40 trees
- Plant 40 trees
- Read 81 book summaries on Blinkist
- Blink 146,520 times
- Click this 457,875 times
In 20 hours and 21 minutes...
- Your heart beats 73,260 times
- Light travels 13,626,370,356 miles
- Earth travels 1,391,940 miles around the Sun
- Your body produces 20 oz of saliva
- The International Space Station travels 348,695 miles
- Elon Musk earns $366,300,000
- 4,615,384,615 Google searches get made
- The U.S. national debt increases by $3,332,304
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
1 minutes and 53 seconds2 minutes and 53 seconds3 minutes and 53 seconds7 minutes and 29 seconds9 minutes and 20 seconds10 minutes and 31 seconds11 minutes and 21 seconds16 minutes and 40 seconds17 minutes and 3 seconds18 minutes and 33 seconds19 minutes and 29 seconds20 minutes21 minutes and 49 seconds23 minutes24 minutes and 25 seconds30 minutes and 57 seconds33 seconds37 minutes and 30 seconds37 minutes and 36 seconds41 minutes and 1 seconds44 minutes and 1 seconds46 minutes and 42 seconds53 minutes and 7 seconds53 minutes and 59 seconds55 minutes and 57 seconds59 minutes and 11 seconds60 minutes and 29 seconds11 hours and 31 minutes16 hours and 8 minutes19 hours and 4 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.