Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
14,961 days
From Tuesday, September 17, 1985 to Thursday, September 3, 2026.
Monday–Friday weekdays10,687
Weeks and days2,137w 2d
Calendar span40 years, 11 months, 17 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.