Date-to-date calculator

Days between dates

Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.

The end date comes before the start date

28,651 days

From Friday, February 13, 2105 to Friday, September 4, 2026.

Monday–Friday weekdays20,465
Weeks and days4,093w 0d
Calendar span78 years, 5 months, 9 days

Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.