20 hours timer
Set a timer for 20 hours. Rings when it's done.
20:00:00
A countdown timer for 20 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 20 hours
- Have 150 showers
- Wash your teeth 600 times
- Watch 52 episodes of Friends
- Read 600 pages of a book
- Walk 60 miles
- Listen to Bohemian Rhapsody 200 times
- Watch Titanic 6 times
- Change 600 light bulbs
- Water 1,200 plants
- Read 3,600 emails
- Watch 4,800 TikToks
- Plant 40 trees
- Plant 40 trees
- Read 80 book summaries on Blinkist
- Blink 144,000 times
- Click this 450,000 times
In 20 hours...
- Your heart beats 72,000 times
- Light travels 13,392,010,177 miles
- Earth travels 1,368,000 miles around the Sun
- Your body produces 20 oz of saliva
- The International Space Station travels 342,698 miles
- Elon Musk earns $360,000,000
- 4,536,004,536 Google searches get made
- The U.S. national debt increases by $3,274,992
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
3 minutes and 47 seconds7 minutes and 11 seconds9 minutes and 42 seconds11 minutes and 49 seconds11 minutes and 53 seconds17 minutes and 24 seconds19 minutes and 14 seconds19 minutes and 59 seconds24 minutes and 38 seconds25 minutes and 39 seconds26 minutes and 15 seconds31 seconds33 minutes and 4 seconds33 minutes and 24 seconds34 minutes and 27 seconds38 minutes and 20 seconds39 minutes and 15 seconds44 minutes and 33 seconds48 minutes48 minutes and 19 seconds50 minutes and 47 seconds57 minutes and 23 seconds58 minutes2 hours and 34 minutes6 hours and 41 minutes9 hours and 48 minutes10 hours and 2 minutes11 hours and 3 minutes16 hours and 33 minutes17 hours and 46 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.