Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
251,043 days
From Friday, May 15, 1339 to Sunday, September 13, 2026.
Monday–Friday weekdays179,315
Weeks and days35,863w 2d
Calendar span687 years, 3 months, 29 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.