Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
276 days
From Monday, December 1, 2025 to Thursday, September 3, 2026.
Monday–Friday weekdays198
Weeks and days39w 3d
Calendar span9 months, 2 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.