Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
39,965 days
From Wednesday, April 4, 1917 to Friday, September 4, 2026.
Monday–Friday weekdays28,547
Weeks and days5,709w 2d
Calendar span109 years, 5 months
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.