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Set a Timer for 24 Hours
This timer is set to 24 hours. Press Start and the flip clock counts down from 24:00:00 to zero, then an alarm rings. You can pause it at any time and start it again with one click.
24 Hours in Other Units
86,400Seconds
1,440Minutes
24Hours
What Can You Do in 24 Hours?
Twenty-four hours is one full day, from now until the same time tomorrow.
Here are some ways to use this timer:
- Intermittent fasting and other daily challenges
- Fermenting dough, pickles or yoghurt
- Waiting for paint, glue or plaster to dry
- Deadlines, reminders and events one or more days away
How to Use the 24 Hour Timer
- Press Start or the space bar to begin the countdown.
- Press Pause to stop the timer and Resume to continue where you left off.
- Press Reset to set the timer back to 24:00:00.
- When the time is up, the alarm rings until you press OK. Choose the sound and the volume in the settings.
- Press F or the fullscreen button to show the timer on the whole screen.
Frequently Asked Questions
How many minutes are in 24 hours?
24 hours is 1,440 minutes, or 86,400 seconds.
Does the timer keep running in a background tab?
Yes. The timer keeps exact time while you use other tabs or apps and rings when the time is up. Keep this tab open, and on a phone keep the screen on so the browser can play the alarm.
Can I change the time?
Yes. Pick another preset or type your own hours, minutes and seconds under the timer.
Will the timer ring if my computer goes to sleep?
Not while it sleeps: a sleeping device pauses the browser, so the alarm rings when it wakes up. For long timers, plug in your device and keep it awake.