Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
186,637 days
From Saturday, September 11, 1515 to Tuesday, September 8, 2026.
Monday–Friday weekdays133,312
Weeks and days26,662w 3d
Calendar span510 years, 11 months, 28 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.