Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
217,498 days
From Tuesday, March 15, 1431 to Wednesday, September 9, 2026.
Monday–Friday weekdays155,356
Weeks and days31,071w 1d
Calendar span595 years, 5 months, 25 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.