Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
146,848 days
From Saturday, August 17, 1624 to Monday, September 7, 2026.
Monday–Friday weekdays104,891
Weeks and days20,978w 2d
Calendar span402 years, 21 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.