DislikedI search for patterns on only 1 chart(my usual chart - EST in my case, but I've picked EST without a particular reason). But closing time is irrelevant as far as I'm concerned - 4 charts however would help with comfort since you won't have to compound bars in your head.
I use 2 because I want to see what others are seeing, which I think is important, and since London and NY are the big ones, I stick with GMT and EST.
Also, I use mostly H1 and I prefer to compound in my head H1 bars to get an action then use the H4, but that's a matter of...Ignored
Thank you very much, snowly, for the detailed answer!