Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
139,562 days
From Friday, July 29, 1644 to Monday, September 7, 2026.
Monday–Friday weekdays99,686
Weeks and days19,937w 3d
Calendar span382 years, 1 month, 9 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.