Days Until Calculator: Countdown to Any Date
Updated · Free · No sign-up · Runs in your browser
Pick a date to see how many days are left from today — or, for a past date, how many days have passed since then.
Use it for holidays, birthdays, weddings, exams, vacations, due dates and project deadlines.
Counted from today (loading…, your device's date).
Milestone dates counted from Friday, January 1, 2027
The start date counts as day 0, so "100 days" means 100 days after the start date.
| Milestone | Date |
|---|---|
| 30 days | Sunday, January 31, 2027 |
| 50 days | Saturday, February 20, 2027 |
| 100 days | Sunday, April 11, 2027 |
| 200 days | Tuesday, July 20, 2027 |
| 365 days | Saturday, January 1, 2028 |
| 500 days | Monday, May 15, 2028 |
| 1000 days | Thursday, September 27, 2029 |
Worked examples
From Oct 24, 2026 to Halloween
- Oct 31 − Oct 24
→ 7 days
From Oct 24, 2026 to Christmas
- Dec 25 − Oct 24
→ 62 days
From Oct 24, 2026 to New Year's Day 2027
- Jan 1, 2027 − Oct 24, 2026
→ 69 days
Days since Jan 1, 2026 (on Oct 24, 2026)
- Oct 24 − Jan 1
→ 296 days
How the countdown works
- Pick your target date.
- The calculator uses today's date on your device.
- Days left = target date − today. Tomorrow is 1 day away; on the day itself the result is 0.
Countdowns in weeks
Divide the number of days by 7 to get weeks. 62 days is 8 weeks and 6 days. The "Days between dates" mode shows weeks and months for any two dates.
Frequently asked questions
How many days until Christmas?
Choose December 25 as the target date. The calculator counts from today on your device, so the answer updates every day.
Does "days until" include today?
No. If the date is tomorrow, there is 1 day left. On the date itself the countdown shows 0 days.
Can I count days since a past date?
Yes. Pick a date in the past and the result shows how many days have passed since then.
Which time zone is used for today?
Your device's date. If you travel across time zones, the count changes at your local midnight.
How many weeks until my date?
Divide the days by 7, or use "Days between dates" to see the result in weeks and days.
Is my date stored?
No. Everything is calculated in your browser.