Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
152,327 days
From Monday, August 17, 1609 to Monday, September 7, 2026.
Monday–Friday weekdays108,805
Weeks and days21,761w 0d
Calendar span417 years, 21 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.