Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
186,555 days
From Thursday, December 2, 1515 to Tuesday, September 8, 2026.
Monday–Friday weekdays133,253
Weeks and days26,650w 5d
Calendar span510 years, 9 months, 6 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.