Sunday.
July 3
July 5 2009 was a Sunday.
5 week after July 30 2010 is September 3 2010.
Given the question was asked in 2011, it can be assumed that it is in reference to Thursday the 16th of June 2011. 36 days after that was Friday the 22nd of July 2011. If you are talking about another year, then whatever day of the week the 16th of June is on, 36 days later is one day of the week later, as 36 days is 5 weeks and 1 day.
December 5, 1980 fell on a Friday.
July 5, 1983 was a Tuesday.
5 July 1959 was on a Sunday.
July 5 2010 was a Monday.
July 5, 1957 was on Friday.
5 July 1969 was a Saturday.
July 5, 1991 was a Friday.
Saturday
It was a Tuesday.
July 5 1989 was a Wednesday.
July 5, 2002 fell on a Friday.
July 5, 1983 fell on a Tuesday.