21 minutes and 28 seconds timer

Set a timer for 21 minutes and 28 seconds. Rings when it's done.

21:28
A countdown timer for 21 minutes and 28 seconds. 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 21 minutes and 28 seconds
In 21 minutes and 28 seconds...

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 38 seconds5 minutes and 23 seconds6 minutes and 34 seconds12 minutes and 50 seconds15 minutes and 52 seconds16 minutes and 31 seconds17 minutes and 26 seconds18 minutes and 18 seconds20 minutes and 4 seconds21 minutes and 5 seconds21 minutes and 21 seconds24 minutes and 26 seconds27 minutes and 5 seconds35 minutes and 16 seconds38 minutes and 58 seconds42 minutes and 6 seconds46 minutes and 56 seconds56 minutes and 11 seconds57 minutes and 49 seconds59 minutes and 16 seconds59 minutes and 34 seconds7 hours and 23 minutes8 hours and 14 minutes11 hours and 22 minutes12 hours and 57 minutes15 hours and 37 minutes15 hours and 55 minutes16 hours and 22 minutes16 hours and 24 minutes20 hours and 34 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.