Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
199,754 days
From Monday, October 13, 1479 to Wednesday, September 9, 2026.
Monday–Friday weekdays142,682
Weeks and days28,536w 2d
Calendar span546 years, 10 months, 27 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.