Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
339 days
From Monday, September 29, 2025 to Thursday, September 3, 2026.
Monday–Friday weekdays243
Weeks and days48w 3d
Calendar span11 months, 5 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.