Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
140,907 days
From Thursday, November 22, 1640 to Monday, September 7, 2026.
Monday–Friday weekdays100,647
Weeks and days20,129w 4d
Calendar span385 years, 9 months, 16 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.