Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
187,616 days
From Thursday, May 12, 2540 to Tuesday, September 8, 2026.
Monday–Friday weekdays134,012
Weeks and days26,802w 2d
Calendar span513 years, 8 months, 4 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.