Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
152,323 days
From Friday, August 21, 1609 to Monday, September 7, 2026.
Monday–Friday weekdays108,801
Weeks and days21,760w 3d
Calendar span417 years, 17 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.