Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
199,973 days
From Saturday, March 8, 1479 to Wednesday, September 9, 2026.
Monday–Friday weekdays142,838
Weeks and days28,567w 4d
Calendar span547 years, 6 months, 1 day
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.