Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
17,656 days
From Tuesday, May 2, 1978 to Thursday, September 3, 2026.
Monday–Friday weekdays12,612
Weeks and days2,522w 2d
Calendar span48 years, 4 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.