Do New York close charts make a difference?

New York close charts. I have heard those the ones you really have to trade off of. I never have.

Mine have always been GMT or an offset thereof. Any thoughts on the issue?

I have included two links pro and con.

KC

Looking at the New York session doe help in boxing price for the London session the next day. I always check the charts from the day before to help set up my bias for the coming day

I can understand how looking at the New York session would help in preparing for the London.

I guess one thing that has to be considered in answering the question is which time frame are people looking at or using.