Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
210,555 days
From Monday, March 18, 1450 to Wednesday, September 9, 2026.
Monday–Friday weekdays150,397
Weeks and days30,079w 2d
Calendar span576 years, 5 months, 22 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.