Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
215,971 days
From Wednesday, May 20, 1435 to Wednesday, September 9, 2026.
Monday–Friday weekdays154,265
Weeks and days30,853w 0d
Calendar span591 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.