Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
217,959 days
From Wednesday, December 9, 1429 to Wednesday, September 9, 2026.
Monday–Friday weekdays155,685
Weeks and days31,137w 0d
Calendar span596 years, 9 months
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.