This countdown calculator shows how many days are left until a date you need — a birthday, New Year, a holiday, a wedding or a deadline. Pick a date and it works out how many days and weeks remain and which weekday it falls on. Free, right in your browser.
How to count the days until a date
- Pick the date you need in the field above.
- Press “Run” or the Enter key.
- See how many days are left, how many weeks that is and which weekday the date falls on.
What the calculator shows
The calculator counts the full days between today and the date you choose, in your device's local time.
If the date is still ahead, you see how many days are left. If it has already passed, you see how many days ago it was. For today, the calculator notes that it is today.
It also shows the weekday of the chosen date — handy for planning.
When it comes in handy
To see how many days are left until a birthday, New Year, the first day of school or another holiday.
To count down to a holiday, a wedding, an exam or a deadline.
To estimate how many days remain until any planned event.
Days until a date FAQ
How do I find how many days are left until a date?
Pick the date in the field above and press “Run”. The calculator shows the number of days from today to the chosen date.
Can I count the days to a past date?
Yes. If the date has already passed, the calculator shows how many days ago it was.
Does the calculator show the weekday?
Yes. Next to the number of days, it shows the weekday the chosen date falls on.
How many days are there until New Year?
Pick January 1 of the year you need, and the calculator counts the exact number of days to it from today.
Are leap years taken into account?
Yes. The count uses the real calendar, including February 29, so the number of days is exact.
Is it free?
Yes, the calculator is completely free and works without any sign-up.
Is the date I pick stored?
No. The calculation runs directly in your browser on your device — the date is never sent anywhere.
Does it work on mobile?
Yes, the page works the same on phones, tablets and computers.