Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
188,839 days
From Tuesday, August 31, 1509 to Tuesday, September 8, 2026.
Monday–Friday weekdays134,885
Weeks and days26,977w 0d
Calendar span517 years, 8 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.