Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
162,647 days
From Saturday, May 16, 1581 to Monday, September 7, 2026.
Monday–Friday weekdays116,176
Weeks and days23,235w 2d
Calendar span445 years, 3 months, 22 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.