Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
29,489 days
From Sunday, December 9, 1945 to Friday, September 4, 2026.
Monday–Friday weekdays21,065
Weeks and days4,212w 5d
Calendar span80 years, 8 months, 26 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.