Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
255,579 days
From Friday, December 13, 1326 to Sunday, September 13, 2026.
Monday–Friday weekdays182,555
Weeks and days36,511w 2d
Calendar span699 years, 9 months
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.