Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
221,155 days
From Saturday, March 10, 1421 to Wednesday, September 9, 2026.
Monday–Friday weekdays157,968
Weeks and days31,593w 4d
Calendar span605 years, 5 months, 30 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.