Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
18,050 days
From Sunday, April 3, 1977 to Thursday, September 3, 2026.
Monday–Friday weekdays12,894
Weeks and days2,578w 4d
Calendar span49 years, 5 months
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.