Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
142,392 days
From Wednesday, October 29, 1636 to Monday, September 7, 2026.
Monday–Friday weekdays101,708
Weeks and days20,341w 5d
Calendar span389 years, 10 months, 9 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.