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

5,945 days

From Tuesday, December 16, 2042 to Sunday, September 6, 2026.

Monday–Friday weekdays4,247
Weeks and days849w 2d
Calendar span16 years, 3 months, 10 days

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