Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
18,126 days
From Monday, January 17, 1977 to Thursday, September 3, 2026.
Monday–Friday weekdays12,948
Weeks and days2,589w 3d
Calendar span49 years, 7 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.