Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
146,488 days
From Tuesday, August 12, 1625 to Monday, September 7, 2026.
Monday–Friday weekdays104,634
Weeks and days20,926w 6d
Calendar span401 years, 26 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.