Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
255,212 days
From Monday, December 15, 1327 to Sunday, September 13, 2026.
Monday–Friday weekdays182,294
Weeks and days36,458w 6d
Calendar span698 years, 8 months, 29 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.