Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
38,259 days
From Monday, December 5, 1921 to Friday, September 4, 2026.
Monday–Friday weekdays27,329
Weeks and days5,465w 4d
Calendar span104 years, 8 months, 30 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.