Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
208,727 days
From Tuesday, March 20, 1455 to Wednesday, September 9, 2026.
Monday–Friday weekdays149,091
Weeks and days29,818w 1d
Calendar span571 years, 5 months, 20 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.