Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
42,626 days
From Tuesday, December 21, 1909 to Friday, September 4, 2026.
Monday–Friday weekdays30,448
Weeks and days6,089w 3d
Calendar span116 years, 8 months, 14 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.