Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
178 days
From Monday, March 9, 2026 to Thursday, September 3, 2026.
Monday–Friday weekdays128
Weeks and days25w 3d
Calendar span5 months, 25 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.