Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
144,384 days
From Saturday, May 17, 1631 to Monday, September 7, 2026.
Monday–Friday weekdays103,131
Weeks and days20,626w 2d
Calendar span395 years, 3 months, 21 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.