Pre New York session:
It gave me only one chance to enter and I missed it.
315 Macro: It refers to the time period 3:15 PM to 3:45 PM macro, also called last hour macro. It seeks the liquidity which has not been traded yet.
Check this lecture of ICT.
It did work. But I closed in loss due to poor risk management and fear and also lack of experience of trading 315 macro. It was the first time I was trading 315 macro.