Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
144,911 days
From Thursday, December 6, 1629 to Monday, September 7, 2026.
Monday–Friday weekdays103,507
Weeks and days20,701w 4d
Calendar span396 years, 9 months, 1 day
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.