Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
139,708 days
From Saturday, March 5, 1644 to Monday, September 7, 2026.
Monday–Friday weekdays99,791
Weeks and days19,958w 2d
Calendar span382 years, 6 months, 2 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.