Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
27,058 days
From Monday, October 4, 2100 to Friday, September 4, 2026.
Monday–Friday weekdays19,326
Weeks and days3,865w 3d
Calendar span74 years, 1 month
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.