Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
146,572 days
From Tuesday, May 20, 1625 to Monday, September 7, 2026.
Monday–Friday weekdays104,694
Weeks and days20,938w 6d
Calendar span401 years, 3 months, 18 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.