Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
144,992 days
From Sunday, September 16, 1629 to Monday, September 7, 2026.
Monday–Friday weekdays103,566
Weeks and days20,713w 1d
Calendar span396 years, 11 months, 22 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.