Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
141,059 days
From Saturday, June 23, 1640 to Monday, September 7, 2026.
Monday–Friday weekdays100,756
Weeks and days20,151w 2d
Calendar span386 years, 2 months, 15 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.