Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
188,009 days
From Saturday, December 9, 1511 to Tuesday, September 8, 2026.
Monday–Friday weekdays134,292
Weeks and days26,858w 3d
Calendar span514 years, 8 months, 30 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.