Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
201,007 days
From Monday, May 8, 1476 to Wednesday, September 9, 2026.
Monday–Friday weekdays143,577
Weeks and days28,715w 2d
Calendar span550 years, 4 months, 1 day
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.