As time of day opens forming true day highs and lows to session closes, we as traders can identify past levels into future price action using time of day to form buy and sell set ups from higher time frame levels to intra-day levels, taking advantage of low risk high reward trading. having such knowledge and most importantly patience, is what's required in order to make the right decision at the right time. Being effectively astute into your money management roll within your trading account or accounts will provide stability to your trading, even when you lose a trade your ability to bounce back from the loss, is greater, when following your strict trading plan platform protocol. Key understanding of the institutional roll within the market place is a powerful weapon for any retail trader.
see chart for time and price examples (right click open chart in new window) larger picture