Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
152,215 days
From Tuesday, December 8, 1609 to Tuesday, September 8, 2026.
Monday–Friday weekdays108,725
Weeks and days21,745w 0d
Calendar span416 years, 9 months
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.