WorksheetFunction.Days360 (Excel)
Returns the number of days between two dates based on a 360-day year (twelve 30-day months), which is used in some accounting calculations.
Use this function to help compute payments if your accounting system is based on twelve 30-day months. The following table contains the values for Arg3.
Days360 (Arg1, Arg2, Arg3)
Dim dblDays360 As Double
dblDays360 = WorksheetFunction.Days360(Arg1:=, Arg2:=)
Arguments
Arg1, Arg2, Arg3Arg3 (Boolean) - A Boolean value that specifies whether to use the U.S. or European method in the calculation.