Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
26,645 days
From Monday, August 17, 2099 to Friday, September 4, 2026.
Monday–Friday weekdays19,031
Weeks and days3,806w 3d
Calendar span72 years, 11 months, 13 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.