Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
139,820 days
From Saturday, November 14, 1643 to Monday, September 7, 2026.
Monday–Friday weekdays99,871
Weeks and days19,974w 2d
Calendar span382 years, 9 months, 24 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.