Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
187,181 days
From Monday, March 16, 1514 to Tuesday, September 8, 2026.
Monday–Friday weekdays133,701
Weeks and days26,740w 1d
Calendar span512 years, 5 months, 23 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.