Days Until Calculator
Calculate the exact number of days remaining or elapsed until any target date or event.
Countdown status
30 days remaining
Friday, Sep 18, 2026target date
Calculate days remaining or elapsed until any future or past target date.
Worked Example
- Target Date: December 31, 2026 (from January 1, 2026) = 364 days remaining
- Past Date: January 1, 2026 (from January 10, 2026) = 9 days ago
Frequently Asked Questions
How are days until calculated?+
The tool calculates the calendar day difference between today's local date and your chosen target date.
Does this calculator work for past dates?+
Yes. If a past date is selected, the tool displays how many days ago that date occurred.
Does it handle leap years?+
Yes. Day counts account for February 29 on leap years.
Related Tools
Date Difference CalculatorFind the number of days and full weeks between two calendar dates, in either direction, with optional inclusive counting.→Add Days CalculatorAdd or subtract days from a start date to compute the exact future or past target calendar date.→Business Days CalculatorCalculate the number of business days (weekdays Monday through Friday) and weekend days between two dates.→Age CalculatorCalculate exact age in years, months, and days for any comparison date, plus total days and the next birthday.→