Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
139,005 days
From Tuesday, February 6, 1646 to Monday, September 7, 2026.
Monday–Friday weekdays99,289
Weeks and days19,857w 6d
Calendar span380 years, 7 months, 1 day
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.