Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
223,157 days
From Saturday, September 16, 1415 to Wednesday, September 9, 2026.
Monday–Friday weekdays159,398
Weeks and days31,879w 4d
Calendar span610 years, 11 months, 24 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.