Free Countdown Timer
How long until the big moment? Pick any date and time for a live, second-by-second countdown.
How to use the countdown timer
- Pick the date and time you are counting down to.
- The countdown starts instantly and ticks every second.
- Change the target any time — the display follows immediately.
Countdown tips
Countdowns are simple but surprisingly motivating: a visible timer turns a vague future date into something you can feel approaching, which is why they work so well for product launches, exam prep, weddings, trips, and fitness goals. A few practical notes: the timer uses your device's local timezone, so a countdown set on your phone in New York and viewed on a laptop in London would read differently — for shared events, agree on the timezone first. It also needs this tab open to keep ticking; closing the page stops it (there is no alarm or notification). For the final stretch, the seconds display is the fun part — watching the last minute of a long countdown never gets old. And if the moment has already passed, the timer says so plainly instead of showing confusing negative numbers.
Frequently asked questions
Which timezone does the countdown use?
Your device's local timezone. If you are coordinating across timezones, convert the target time to your local time first.
Does the timer keep running if I close the tab?
No. The countdown ticks while this page is open. Reopen it any time — it recalculates from the current moment instantly.
What happens when the countdown reaches zero?
The display stops at zero and shows a message that the moment has arrived (or passed).
How accurate is it?
It recalculates from your device clock every second, so it stays accurate as long as your system time is correct.