Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
164,909 days
From Friday, March 7, 1575 to Monday, September 7, 2026.
Monday–Friday weekdays117,791
Weeks and days23,558w 3d
Calendar span451 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.