Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
241,679 days
From Monday, December 31, 1364 to Friday, September 11, 2026.
Monday–Friday weekdays172,629
Weeks and days34,525w 4d
Calendar span661 years, 8 months, 11 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.