It is not possible to select all customers who bought an item 6 months ago when date and time has been registered.
It is possible to select 183 days, but not 6 months.
Official response
Deployteq - Suzanne Martens
To keep our feature request list relevant and organized, this topic has been closed because it has been open for more than 6 months and has not received more than 3 votes in that time.