Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
189,011 days
From Friday, March 12, 1509 to Tuesday, September 8, 2026.
Monday–Friday weekdays135,007
Weeks and days27,001w 4d
Calendar span517 years, 5 months, 27 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.