Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
248,640 days
From Saturday, December 11, 1345 to Saturday, September 12, 2026.
Monday–Friday weekdays177,600
Weeks and days35,520w 0d
Calendar span680 years, 9 months, 1 day
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.