Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
199,697 days
From Tuesday, December 9, 1479 to Wednesday, September 9, 2026.
Monday–Friday weekdays142,641
Weeks and days28,528w 1d
Calendar span546 years, 9 months
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.