Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
142,742 days
From Wednesday, November 14, 1635 to Monday, September 7, 2026.
Monday–Friday weekdays101,958
Weeks and days20,391w 5d
Calendar span390 years, 9 months, 24 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.