To add time periods to the main menu bar, select VIEW > TOOLBARS > PERIODICITY. (If needed) Use the following legend for applying time periods to charts: M1 = 1 minute chart M5 = 5 minute chart M15 = 15 minute chart M30 = 30 minute chart H1 = 1 hour chart H4 = 4 hour chart D1 = daily chart W1 = weekly chart MN = monthly chart