5 mins
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Price touched 100 ema on 1st Oct, 2013 at 3:00 PM and till 4th Oct 13:30, it did not touched 100 ema
1st Oct = 30 mins
3rd Oct = 6.25 hrs
4th Oct = 4.25 hrs, so almost not touched nearly for 11 hours, so we can open position with 100 ema as target which then touched on 2:50 PM.
30 mins
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Price touched 100 ema on 4th Sep, 2013 at 14:30 and till 20th Sep, 2013 11:00 AM, it did not touched 100 ema so say almoast around 10.25 sessions.
Hope this will help.