Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
144,895 days
From Saturday, December 22, 1629 to Monday, September 7, 2026.
Monday–Friday weekdays103,496
Weeks and days20,699w 2d
Calendar span396 years, 8 months, 16 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.