Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
187,845 days
From Tuesday, May 21, 1512 to Tuesday, September 8, 2026.
Monday–Friday weekdays134,175
Weeks and days26,835w 0d
Calendar span514 years, 3 months, 18 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.