Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
161,843 days
From Friday, July 29, 1583 to Monday, September 7, 2026.
Monday–Friday weekdays115,601
Weeks and days23,120w 3d
Calendar span443 years, 1 month, 9 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.