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    Free to usePhone and desktopFull screenDark mode

    About the 20 Minute Timer

    Twenty minutes is long enough for a full short workout, a homework block or a dish in the oven.

    20 Minute Timer on Timerzo with the ring dial, Start button and alarm sound options
    The 20 Minute Timer as it looks on Timerzo.

    The 20 20 20 rule for your eyes

    Eye doctors suggest the 20 20 20 rule for screen work: every twenty minutes, look at something about twenty feet away for twenty seconds. Run this timer while you work and use the alarm as your reminder to look away.

    Twenty minute workouts

    Circuit and bodyweight routines often fit into twenty minutes. Use full screen so you can read the time from the floor, and pair it with our 30 second timer if your routine has short rounds.

    Quick ideas

    • Do a short workout
    • Run a homework block
    • Take a lunch break
    • Bake or roast in the oven

    How to use it

    Press Start. The orange ring shrinks as time passes and the time left also shows in your browser tab, so you can see it while you work in another tab. Press Pause to stop and Resume to carry on. When it reaches zero, the alarm plays and the numbers flash.

    20 Minute Timer in seconds, minutes and hours

    UnitValue
    Seconds1,200
    Minutes20
    Hours0.3333

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    Frequently asked questions

    How do I set a 20 minute timer?

    Open this page and press Start. The timer is already set to 20 minutes, and an alarm rings at zero.

    Will the alarm ring if I switch tabs?

    Yes. Keep this tab open and the alarm plays at zero, even if another tab is in front.

    Can I pause and resume?

    Yes. Press Pause to stop and Resume to carry on from the same second.