Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
39,722 days
From Monday, December 3, 1917 to Friday, September 4, 2026.
Monday–Friday weekdays28,374
Weeks and days5,674w 4d
Calendar span108 years, 9 months, 1 day
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.