Countdown Timer
Count down to any date and time in any time zone.
The target time has passed.
New York, United States
How It Works
- 1
Set your target
Enter the target date, time, and timezone for your event or deadline. You can search for a timezone by city name or IANA identifier.
- 2
Watch the countdown
The timer displays the remaining time in days, hours, minutes, and seconds, updating every second. Both the target timezone time and your local equivalent are shown.
- 3
Share the countdown
Copy the unique countdown URL to share with others. Recipients see the same countdown adjusted to their own local timezone automatically.
About Timezone-Aware Countdown Timers
The Countdown Timer lets you count down to any target date and time in any timezone, displaying the remaining days, hours, minutes, and seconds in real time. Whether you are tracking a product launch scheduled for midnight in Tokyo, counting down to New Year's Eve in your home city, or monitoring a deadline set in a different timezone, this tool ensures you know exactly how much time remains — no manual timezone math required. The countdown uses the IANA Time Zone Database to resolve the target timezone's UTC offset for the specific target date, including any Daylight Saving Time adjustments that may apply. This is critical for accuracy: a countdown to a March 15 deadline in New York must account for whether Eastern Standard Time (UTC-5) or Eastern Daylight Time (UTC-4) is in effect on that date, as a one-hour error could mean missing the deadline entirely. The timer updates every second using your device's system clock and displays both the target time in its original timezone and the equivalent time in your local timezone for easy reference. You can create multiple simultaneous countdowns for different events and timezones. Each countdown generates a unique URL that you can share with colleagues or embed in a calendar invitation, ensuring everyone counts down to the same absolute moment regardless of their local timezone.
Frequently Asked Questions
Does the countdown account for Daylight Saving Time at the target date?
Yes. The countdown resolves the target timezone's UTC offset specifically for the target date using IANA timezone rules. If the target date falls during DST, the DST offset is used; if it falls outside DST, the standard offset is used.
What happens when the countdown reaches zero?
When the countdown expires, the display shows that the event time has been reached and optionally shows how much time has elapsed since the target moment. You can also enable a browser notification to alert you when the countdown finishes.
Can I count down to an event in a timezone different from mine?
Absolutely — that is the primary purpose of this tool. You set the target time in the event's timezone, and the countdown computes the remaining time from your current moment to that absolute point in time, regardless of your local timezone.
How accurate is the countdown?
The countdown uses your device's system clock, which is typically synchronized via NTP (Network Time Protocol) and accurate to within a few hundred milliseconds. For most practical purposes — event deadlines, launches, celebrations — this level of accuracy is more than sufficient.