The choice of time frames are wide so you need to consider some factors to know what is best for you. The most preferred Forex time frames for beginners are 1 day, 1 hour and 5 minute so they can test their feel on the trading. Each price bar represents one day showing a change on the chart will be observed once a day. New price bars will appear every hour, putting more data on the chart for analysis. A new price bar appears every 5 minutes, showing market changes fast and in greater details. If you have more time to spend on Forex trading then it would be best to use the 5 minute time frame.