Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
189,003 days
From Saturday, March 20, 1509 to Tuesday, September 8, 2026.
Monday–Friday weekdays135,002
Weeks and days27,000w 3d
Calendar span517 years, 5 months, 19 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.