Days Between Dates Calculator
Find how many calendar days separate two dates. Enter a start and end date to get an instant result.
Choose a start and end date to see the result.
How it works
This calculator measures the calendar-day difference between two dates using UTC, so results stay consistent regardless of your local time zone. Time of day is ignored; only the calendar date matters.
Weekends and holidays are not excluded. If you need working days only, use the Business Days Calculator. To shift a single date forward or backward, try Add or Subtract Days.
Examples
The count is the number of full calendar days from the start date to the end date. Same-day dates return zero.
January 1 to January 3
From 2025-01-01 to 2025-01-03 is 2 calendar days apart (not 3). The start day is day zero; the end day is two days later.
End before start
If the end date is earlier than the start date, the result is negative—the magnitude is still the calendar-day distance.
Leap year
From 2024-02-28 to 2024-03-01 is 2 days, because 2024 is a leap year and February 29 sits between them.
FAQ
- Are weekends included?
- Yes. This tool counts every calendar day in UTC. For Monday–Friday only, use the Business Days Calculator.
- Why does this use UTC?
- UTC avoids surprises when users are in different time zones. Two people anywhere in the world get the same day count for the same start and end dates.
- Is the start date included in the count?
- The count is the difference between dates, not inclusive of both endpoints. From Jan 1 to Jan 1 is 0 days; from Jan 1 to Jan 2 is 1 day.