Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
149,046 days
From Saturday, August 11, 1618 to Monday, September 7, 2026.
Monday–Friday weekdays106,461
Weeks and days21,292w 2d
Calendar span408 years, 27 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.