Date Countdown Timer

How does this calculator work?

Choose the target calendar date and a local time. The browser uses your device’s local time zone to calculate the remaining duration, and the countdown refreshes every second while the page is open.

Quick example

For an event tomorrow at 09:00 local time, the countdown decreases as that moment approaches.

Frequently asked questions

Which time zone is used?

Your device’s local time zone. People opening a shared countdown in another time zone will interpret the specified clock time locally.

Does the timer work after I close the page?

The target is recalculated whenever you reopen a shared URL. The page must stay open to animate the seconds.