Countdown Timer
Select a target date (and optionally a specific time), then press Start. The timer counts down in real time, showing days, hours, minutes, and seconds remaining. Use the quick preset buttons to instantly set a countdown to popular holidays. When the time is up, the timer shows a completion message. Press Reset to start a new countdown.
Frequently Asked Questions
How does the countdown timer work?
Enter a future date and optional time, then click Start. The timer calculates the difference between now and your target moment and updates every second. It runs entirely in your browser — no server is involved.
Can I count down to a specific time, not just a date?
Yes. Use the time field to set a specific hour and minute for your target. For example, you can count down to midnight on New Year's Eve by setting the date to January 1 and the time to 00:00.
Does the timer keep running if I switch tabs?
The timer uses JavaScript's setInterval which continues running in the background in most browsers. However, some browsers throttle inactive tabs, so the display may update less frequently. The final time calculation is always based on the actual system clock, not tick counts.
What are the quick preset buttons?
The preset buttons (New Year, Christmas, Halloween, Valentine's Day) automatically set the target date to the next upcoming occurrence of that holiday. If the holiday has already passed this year, it sets the date to next year.
What happens when the countdown reaches zero?
When the target time is reached, the timer stops and displays a "Time is up!" message. Press Reset to clear everything and start a new countdown.