Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
258,145 days
From Monday, December 4, 1319 to Sunday, September 13, 2026.
Monday–Friday weekdays184,389
Weeks and days36,877w 6d
Calendar span706 years, 9 months, 9 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.