If you’re trading in the Asia evening then that puts you in the London timeframe, which is the highest volume portion of the day -especially when it overlaps with NY. You’ll see plenty of action in all the majors and crosses. Some of the more regional Asian and N. American pairs will probably be thin, though.
Here are some details of the forex markets around the world during your evening trading hours.
Let’s say you can trade from 6pm until 10pm. Your time zone (Melbourne, Australia) is AEST = GMT + 10.
So, during your evening trading hours, what time is it in major forex markets?
6pm-10pm — Melbourne GMT+10
5pm-9pm ---- Tokyo GMT+9 (the business day there has ended)
10am-2pm — Europe GMT+2 (forex activity is high)
9am-1pm ---- London GMT+1 (forex activity is high - news often released at 9:30am London time)
4am-8am ---- New York GMT-4 (the business day there has not started)
[B]If you can trade until midnight[/B], Melbourne time, you can participate in the most active 2 hours of the entire 24-hour forex day — 8am-10am New York time. During this period, Europe, Britain, the U.S. and Canada are all active in the market. Altogether, these regions account for 74% of worldwide forex volume, and a large part of that volume occurs in the 8am-10am (New York) time period.