Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
152,217 days
From Saturday, December 5, 1609 to Monday, September 7, 2026.
Monday–Friday weekdays108,726
Weeks and days21,745w 2d
Calendar span416 years, 9 months, 2 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.