Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
180,995 days
From Saturday, February 21, 1531 to Tuesday, September 8, 2026.
Monday–Friday weekdays129,282
Weeks and days25,856w 3d
Calendar span495 years, 6 months, 18 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.