Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
186,549 days
From Wednesday, December 8, 1515 to Tuesday, September 8, 2026.
Monday–Friday weekdays133,249
Weeks and days26,649w 6d
Calendar span510 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.