Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
5,129 days
From Friday, September 21, 2040 to Sunday, September 6, 2026.
Monday–Friday weekdays3,665
Weeks and days732w 5d
Calendar span14 years, 15 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.