Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
29,538 days
From Sunday, October 21, 1945 to Friday, September 4, 2026.
Monday–Friday weekdays21,100
Weeks and days4,219w 5d
Calendar span80 years, 10 months, 14 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.