Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
39,708 days
From Monday, December 17, 1917 to Friday, September 4, 2026.
Monday–Friday weekdays28,364
Weeks and days5,672w 4d
Calendar span108 years, 8 months, 18 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.