According to this publication link in IRS.gov, you meet the physical presence test if you are physically present in a foreign country or countries 330 full days during any period of 12 consecutive months including some part of the year at issue. The 330 qualifying days do not have to be consecutive. If the only time you spent in the states is what you have stated, you meet the physical presence test for the Foreign Earned Income Exclusion for the year.
In your case, August 8-13 are full days as illustrated in the IRS link. As far as days spent on business, the IRS isn't specific on this but I would count the days you were actually conducting business, which would be August 9-13.
@Garbanzor29
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