Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
161,460 days
From Wednesday, August 15, 1584 to Monday, September 7, 2026.
Monday–Friday weekdays115,328
Weeks and days23,065w 5d
Calendar span442 years, 23 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.