Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
223,062 days
From Wednesday, December 20, 1415 to Wednesday, September 9, 2026.
Monday–Friday weekdays159,330
Weeks and days31,866w 0d
Calendar span610 years, 8 months, 20 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.