Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
146,855 days
From Saturday, August 10, 1624 to Monday, September 7, 2026.
Monday–Friday weekdays104,896
Weeks and days20,979w 2d
Calendar span402 years, 28 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.