Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
170 days
From Tuesday, March 17, 2026 to Thursday, September 3, 2026.
Monday–Friday weekdays122
Weeks and days24w 2d
Calendar span5 months, 17 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.