Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
223,438 days
From Friday, December 9, 1414 to Wednesday, September 9, 2026.
Monday–Friday weekdays159,598
Weeks and days31,919w 5d
Calendar span611 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.