Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
139,337 days
From Saturday, March 11, 1645 to Monday, September 7, 2026.
Monday–Friday weekdays99,526
Weeks and days19,905w 2d
Calendar span381 years, 5 months, 27 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.