Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
17,379 days
From Saturday, February 3, 1979 to Thursday, September 3, 2026.
Monday–Friday weekdays12,414
Weeks and days2,482w 5d
Calendar span47 years, 7 months
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.