Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
201,433 days
From Tuesday, March 9, 1475 to Wednesday, September 9, 2026.
Monday–Friday weekdays143,881
Weeks and days28,776w 1d
Calendar span551 years, 6 months
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.