Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
155,203 days
From Tuesday, October 2, 1601 to Monday, September 7, 2026.
Monday–Friday weekdays110,859
Weeks and days22,171w 6d
Calendar span424 years, 11 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.