E Way Bill booking

vinay (Trainee CMA) (238 Points)

06 June 2018  
We are doing interstate purchase from Maharashtra to Kerala. The material despatched by month end used to be received by next month beginning only. It takes around six days for material to reach Kerala. On what date should these bills to be booked in our ledger

egs

Bill date 28-06-2018 along with eway bill
Material arrival date 04-07-2018

On which date bill to be booked and any impact on GST return.... Pls explain