Countdown
Pick a date and time to see a live countdown in hours, minutes, and seconds, for a launch, deadline, or event.
Your input stays in your browser. Nothing is uploaded.
00:00:00
About this tool
The target is entered in your device's local time zone, and the remaining time is recalculated from the system clock four times per second, so it stays correct even if the tab was in the background. The display shows total hours, minutes, and seconds; a countdown of several days shows, for example, 50:00:00 for two days and two hours. When the target passes, the display stays at 00:00:00.
How to use it
- Choose the target date and time.
- Keep the tab open to watch the countdown.
Remaining = target time − current time
Examples
Tomorrow at noon
At 9:30 pm today, a target of tomorrow at 12:00 shows 14:30:00.
FAQ
Which time zone is used?
Your device's time zone. Someone in another time zone entering the same date and time counts down to a different moment.
Will it alert me when it reaches zero?
No. It is a visual countdown. Use the Timer for a sound at the end of a duration.
Is anything saved?
No. The target is not stored; reloading the page resets it.