15 hours timer
Set a timer for 15 hours. Rings when it's done.
15:00:00
A countdown timer for 15 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 15 hours
- Have 112 showers
- Wash your teeth 450 times
- Watch 39 episodes of Friends
- Read 450 pages of a book
- Walk 45 miles
- Listen to Bohemian Rhapsody 150 times
- Watch Titanic 4 times
- Change 450 light bulbs
- Water 900 plants
- Read 2,700 emails
- Watch 3,600 TikToks
- Plant 30 trees
- Plant 30 trees
- Read 60 book summaries on Blinkist
- Blink 108,000 times
- Click this 337,500 times
In 15 hours...
- Your heart beats 54,000 times
- Light travels 10,044,007,633 miles
- Earth travels 1,026,000 miles around the Sun
- Your body produces 15 oz of saliva
- The International Space Station travels 257,023 miles
- Elon Musk earns $270,000,000
- 3,402,003,402 Google searches get made
- The U.S. national debt increases by $2,456,244
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 7 seconds6 minutes and 1 seconds7 minutes and 49 seconds7 minutes and 54 seconds10 minutes and 5 seconds10 minutes and 39 seconds16 minutes and 23 seconds17 minutes and 41 seconds18 minutes and 28 seconds20 minutes and 5 seconds23 minutes and 37 seconds28 minutes and 38 seconds29 minutes and 3 seconds30 minutes and 21 seconds30 minutes and 60 seconds32 minutes and 16 seconds35 minutes and 51 seconds38 minutes and 33 seconds41 minutes and 60 seconds43 minutes and 44 seconds48 minutes and 20 seconds52 minutes and 58 seconds53 minutes and 34 seconds6 hours and 29 minutes9 hours and 29 minutes11 hours and 42 minutes12 hours and 40 minutes15 hours and 56 minutes16 hours and 14 minutes20 hours and 10 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.