Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
31,900 days
From Thursday, May 4, 1939 to Friday, September 4, 2026.
Monday–Friday weekdays22,786
Weeks and days4,557w 1d
Calendar span87 years, 4 months
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.