How to Set an Online Countdown Timer
Published September 21, 2026 · 2 min read
Whether you're counting down to a launch, a deadline, or a recurring event, this tool tracks the exact time remaining down to the second, live in your browser tab, with an optional sound when it reaches zero.
Try Countdown TimerSteps
- 1
Open the Countdown Timer tool
Go to the countdown timer.
- 2
Enter your target date and time
Type the date and time you're counting down to, in your local time zone.
- 3
Choose repeat and sound options
Set it to repeat daily, weekly or monthly, and choose whether to play a sound when it hits zero.
- 4
Watch it count down
The display updates live, showing days, hours, minutes and seconds remaining.
Frequently asked questions
Yes — set it to repeat daily, weekly, or monthly, and once it reaches zero it automatically advances to the next occurrence and keeps counting down.
Yes, if you enable that option — a short tone plays once when the countdown reaches zero.
The countdown recalculates based on the actual clock time each time it updates, so the target time itself is always accurate whenever you return to the tab.
Because it's just a browser tab, this is a lightweight way to track a deadline without installing a separate timer app.