Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
31,889 days
From Monday, May 15, 1939 to Friday, September 4, 2026.
Monday–Friday weekdays22,779
Weeks and days4,555w 4d
Calendar span87 years, 3 months, 20 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.