Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
16,978 days
From Monday, March 10, 1980 to Thursday, September 3, 2026.
Monday–Friday weekdays12,128
Weeks and days2,425w 3d
Calendar span46 years, 5 months, 24 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.