Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
248,646 days
From Sunday, December 5, 1345 to Saturday, September 12, 2026.
Monday–Friday weekdays177,605
Weeks and days35,520w 6d
Calendar span680 years, 9 months, 7 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.