Timing can be run on any time frame chart. The question becomes,
however, what is practical? In my chat room, I typically run the daily time
projections and then run 45- and/or 15-minute timing charts to help finetune
intraday trade entries. Although I have done some work on some
charts lower than the 15-minute time frame, it is generally not practical to
keep them up on the time frames less than 15 minutes. You would be so
busy running the time projections that you would probably miss taking
your trade setups!