Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
31,307 days
From Tuesday, December 17, 1940 to Friday, September 4, 2026.
Monday–Friday weekdays22,363
Weeks and days4,472w 3d
Calendar span85 years, 8 months, 18 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.