Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
186,619 days
From Wednesday, September 29, 1515 to Tuesday, September 8, 2026.
Monday–Friday weekdays133,299
Weeks and days26,659w 6d
Calendar span510 years, 11 months, 10 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.