Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
139,342 days
From Monday, March 6, 1645 to Monday, September 7, 2026.
Monday–Friday weekdays99,530
Weeks and days19,906w 0d
Calendar span381 years, 6 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.