⏰ SetTimerFor

23 Minute Timer

Preset to 00:23:00. Press Start — an alarm sounds when it reaches zero.

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00:23:00

Keep this tab open so the alarm can ring.

23 Minute Timer

This free 23 minute timer is ready to go — the countdown is already set to 23 minutes. Just press Start and watch it tick down. When it reaches zero a built-in alarm sound plays. No download, no signup; works on desktop and mobile.

What is this timer good for?

How to use it

  1. The timer opens preset to 23 minutes.
  2. Adjust the hours, minutes or seconds for a different length.
  3. Press Start and the big display counts down.
  4. An alarm sounds at 00:00:00 — press Reset to run it again.

How long is 23 minutes?

23 minutes converts to 1,380 seconds, or about 38% of an hour. That is roughly 1.6% of a 24-hour day. Half of 23 minutes is 11 minutes 30 seconds, and two rounds back to back add up to 46 minutes.

Things that take about 23 minutes

FAQ

Will it ring if I switch tabs?

Yes. The timer calibrates against your system clock, so it stays accurate even in a background tab. Just don't close the tab.

Do I need to download anything?

No. The timer runs entirely in your browser with no download, signup or plugin.

Can I change the duration?

Yes. Type any hours, minutes and seconds into the fields, or pick a related timer above.

Is it free?

Yes, it is completely free to use.

How many seconds are in 23 minutes?

23 minutes equals exactly 1,380 seconds (23 × 60).

What fraction of an hour is 23 minutes?

23 minutes is about 38% of an hour (23/60).

Can I restart the 23-minute countdown when it finishes?

Yes. When the alarm sounds, press Reset and then Start to run the full 23 minutes again — handy for repeated rounds.

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