Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
160,814 days
From Friday, May 23, 1586 to Monday, September 7, 2026.
Monday–Friday weekdays114,866
Weeks and days22,973w 3d
Calendar span440 years, 3 months, 15 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.