Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
200,328 days
From Monday, March 18, 1478 to Wednesday, September 9, 2026.
Monday–Friday weekdays143,092
Weeks and days28,618w 2d
Calendar span548 years, 5 months, 22 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.