Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
144,349 days
From Saturday, June 21, 1631 to Monday, September 7, 2026.
Monday–Friday weekdays103,106
Weeks and days20,621w 2d
Calendar span395 years, 2 months, 17 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.