Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
188,585 days
From Thursday, May 12, 1510 to Tuesday, September 8, 2026.
Monday–Friday weekdays134,703
Weeks and days26,940w 5d
Calendar span516 years, 3 months, 27 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.