Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
242,999 days
From Thursday, May 21, 1361 to Friday, September 11, 2026.
Monday–Friday weekdays173,571
Weeks and days34,714w 1d
Calendar span665 years, 3 months, 21 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.