Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
261,795 days
From Saturday, December 7, 1309 to Monday, September 14, 2026.
Monday–Friday weekdays186,996
Weeks and days37,399w 2d
Calendar span716 years, 9 months, 7 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.