Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
251,453 days
From Monday, March 31, 1338 to Sunday, September 13, 2026.
Monday–Friday weekdays179,609
Weeks and days35,921w 6d
Calendar span688 years, 5 months, 13 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.