Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
222,991 days
From Thursday, February 29, 1416 to Wednesday, September 9, 2026.
Monday–Friday weekdays159,279
Weeks and days31,855w 6d
Calendar span610 years, 6 months, 12 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.