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Countdown Timer — Free Online Tool
This countdown timer shows exactly how much time remains until a date that matters to you, whether it is a wedding, exam, festival, product launch, holiday or birthday. Give your event a name, pick the target date and time, and the page begins counting down immediately, updating every second in days, hours, minutes and seconds. The clock uses your device's local time zone, so the countdown matches what you see on your own calendar. When the moment arrives the display switches to show how long ago the event happened instead of freezing at zero, which also makes it useful as a count-up for anniversaries and milestones. By default the target is set to the next New Year, but you can change it to any future or past date using the date and time picker. You do not need an account, and nothing is uploaded; the target you choose lives only in the open tab. Keep the page open to watch it tick, or return later to see how much time has passed. For a simple number of days between two fixed dates without live seconds, the Date Calculator is quicker, and for timing short activities the Stopwatch is a better fit. The timer is lightweight and works on phones, tablets and desktops.
Use our Countdown Timer on AllConvertor — no registration, no download, works on iPhone, Android, Windows, and Mac. All processing runs in your browser when possible for maximum privacy and speed.
How to use Countdown Timer
- Enter a name for your event.
- Pick the target date and time.
- Watch the days, hours, minutes and seconds count down.
- Change the date at any time to start a new countdown.
Key benefits
- ✓ 100% free — no paywall or trial limits
- ✓ No account or email required
- ✓ Mobile-friendly responsive design
- ✓ Instant results in your browser
- ✓ Secure — data stays on your device
- ✓ Trusted by thousands of users daily
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Frequently Asked Questions
How do I make a countdown to a specific date?
Type an event name, choose the target date and time in the picker and the timer starts instantly. It updates every second while the page stays open.
Which time zone does the countdown use?
It uses your device's local time zone, so the target date and time are interpreted exactly as they appear on your own clock and calendar.
What happens when the countdown reaches zero?
The display switches to show how much time has passed since the event, so it works as a count-up for anniversaries and milestones too.
Is my countdown saved if I close the page?
No. The tool stores nothing, so the date resets to the default when you reload. Bookmark the page and re-enter your date when you return.
Can I count down to a past date?
Yes. Enter a past date and the tool shows how many days, hours, minutes and seconds have elapsed since then.