Deciding on the right time to trade depends on your trading strategy. Many technical traders and scalpers prefer the quiet Asian markets since they are less susceptible to disruption from news flow. News traders on the other hand and those traders that thrive on volatility obviously prefer the busier US and European sessions, particularly the overlapping periods.
I trade with FreshForex who gives me every important news so, I can trade with profitably. I started with this broker sometimes back, almost 5 months, so far, so good, no complains at all. My deposits and withdrawals are processed on time, with their trading platform having the least spreads and an instant market execution.