Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
186,810 days
From Monday, March 22, 1515 to Tuesday, September 8, 2026.
Monday–Friday weekdays133,436
Weeks and days26,687w 1d
Calendar span511 years, 5 months, 17 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.