Does the countdown keep running if I close the tab?

No — the countdown only runs while this page is open in your browser; closing the tab stops it, but reopening the page recalculates the correct remaining time instantly.

What timezone does the countdown use?

Whatever timezone your device is set to — the target date and time you pick is treated as your own local time.

Can I use this for a date in the past?

Yes, the timer will automatically switch to showing how long ago that moment happened instead of counting down.

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Target date & time

Days

Hours

Minutes

Seconds

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Countdown Timer

Count down live to any date and time you choose — a birthday, a launch, a deadline, a holiday, or any other event you're waiting for. The display updates every second, right in your browser.

How it works

The timer takes the target date and time you pick and continuously recalculates the difference against the current moment, breaking that difference down into whole days, hours, minutes, and seconds. Once the target moment passes, the display switches to show how long ago it happened instead.

Worked example

Counting down to December 25 at midnight from December 1 would show roughly 24 days, 0 hours, 0 minutes at the start, ticking down second by second until midnight arrives.

Countdown Timer

How it works

Worked example

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