Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
184,635 days
From Saturday, March 5, 1521 to Tuesday, September 8, 2026.
Monday–Friday weekdays131,882
Weeks and days26,376w 3d
Calendar span505 years, 6 months, 3 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.