Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
26,421 days
From Monday, January 5, 2099 to Friday, September 4, 2026.
Monday–Friday weekdays18,871
Weeks and days3,774w 3d
Calendar span72 years, 4 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.