Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
217,797 days
From Thursday, May 20, 1430 to Wednesday, September 9, 2026.
Monday–Friday weekdays155,569
Weeks and days31,113w 6d
Calendar span596 years, 3 months, 20 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.