Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
164,999 days
From Saturday, December 7, 1574 to Monday, September 7, 2026.
Monday–Friday weekdays117,856
Weeks and days23,571w 2d
Calendar span451 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.