Selection of what timeframe to analyse and trade should be based on the type of trader you aim to be , my suggestion is use h4 as the medium ( if you aiming at longer term trades use d1,h4,h1 if you aiming to be more of intra-day trader use H4,h1,m15 if you aiming to short term trades look at h1,m15.m5 in all timeframe setup trades are taken in lower time. Hope this helps , happy trading .