Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
172,048 days
From Saturday, August 20, 1555 to Monday, September 7, 2026.
Monday–Friday weekdays122,891
Weeks and days24,578w 2d
Calendar span471 years, 18 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.