Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
16,711 days
From Tuesday, December 2, 1980 to Thursday, September 3, 2026.
Monday–Friday weekdays11,937
Weeks and days2,387w 2d
Calendar span45 years, 9 months, 1 day
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.