Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
16,997 days
From Wednesday, February 20, 1980 to Thursday, September 3, 2026.
Monday–Friday weekdays12,141
Weeks and days2,428w 1d
Calendar span46 years, 6 months, 14 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.