Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
243,010 days
From Sunday, May 10, 1361 to Friday, September 11, 2026.
Monday–Friday weekdays173,580
Weeks and days34,715w 5d
Calendar span665 years, 4 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.