Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
138,720 days
From Sunday, November 18, 1646 to Monday, September 7, 2026.
Monday–Friday weekdays99,086
Weeks and days19,817w 1d
Calendar span379 years, 9 months, 20 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.