Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
160,827 days
From Saturday, May 10, 1586 to Monday, September 7, 2026.
Monday–Friday weekdays114,876
Weeks and days22,975w 2d
Calendar span440 years, 3 months, 28 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.