Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
140,437 days
From Friday, March 7, 1642 to Monday, September 7, 2026.
Monday–Friday weekdays100,311
Weeks and days20,062w 3d
Calendar span384 years, 6 months
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.