Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
140,373 days
From Saturday, May 10, 1642 to Monday, September 7, 2026.
Monday–Friday weekdays100,266
Weeks and days20,053w 2d
Calendar span384 years, 3 months, 28 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.