Ver time will become unstable and can be enjoyed in this also understood, you can trade successfully. But do not rely on this alone, have some ideas of your own as well therefore I think the best time in forex trading to open a transaction is on news time let alone couple rrency there, the best time for me to open trade is during sexy london. You should examine characters that involve price movements, while the Asian, European procedures along with The United States. You need to find an opportunity only after making the analysis then find on the chart the right position to make the entry and then open the trade, there is no best opening trading time. But if you are not good with trading in a lot of volatile mar like this question and convincingly all the questions related to how you get in leaving a system will depend on the allocation with what you are going to trade I mean what will dictated by your system.