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

3,663 days

From Monday, September 15, 2036 to Saturday, September 5, 2026.

Monday–Friday weekdays2,616
Weeks and days523w 2d
Calendar span10 years, 10 days

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