we have to go to trade with news and so we can be winners here and also we have to go to trade with experience. We must make strategies and so we can make the right trade. and it depends on your own trading style if you are a scalper you will use a shorter period of time and if you are a day trader you will use 30 minutes or more, the right approach for day traders is to see the daily and 4 hour charts if both are in the same condition. direction from 1 hour trading. in that direction only and to brokers see 1 hour or 30 minutes and 5 minutes and 15 minutes. in the same direction for a better approach, you can add one 200 sma also