ASCP - Horizontal Plan - plan periods

Hi  experts ,

In my horizontal plan the Periods starts with mid of month dates , User requirement to move to start of the month .

Since ASCP follows the workday calendar the period gradually moves from start to mid of the month, Our user requirement to view the Plan Periods at the start of the month,

Is that workaround is there for this ??

PFA  copy for your reference

regards,

rakesh