Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
14,871 days
From Monday, December 16, 1985 to Thursday, September 3, 2026.
Monday–Friday weekdays10,623
Weeks and days2,124w 3d
Calendar span40 years, 8 months, 18 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.