Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
18,511 days
From Monday, December 29, 1975 to Thursday, September 3, 2026.
Monday–Friday weekdays13,223
Weeks and days2,644w 3d
Calendar span50 years, 8 months, 5 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.