Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
186,477 days
From Friday, February 18, 1516 to Tuesday, September 8, 2026.
Monday–Friday weekdays133,197
Weeks and days26,639w 4d
Calendar span510 years, 6 months, 21 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.