Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
200,335 days
From Monday, March 11, 1478 to Wednesday, September 9, 2026.
Monday–Friday weekdays143,097
Weeks and days28,619w 2d
Calendar span548 years, 5 months, 29 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.