Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
186,190 days
From Friday, December 1, 1516 to Tuesday, September 8, 2026.
Monday–Friday weekdays132,992
Weeks and days26,598w 4d
Calendar span509 years, 9 months, 7 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.