Game of Thrones (season 3) was aired at 9 o'clock pm on a Sunday.
The third season of the fantasy drama television series Game of Thrones premiered in the United States on HBO on March 31 , 2013 , and concluded on June 9 , 2013 . It was broadcast on Sunday at 9:00 pm in the United States , consisting of 10 episodes , each running approximately 50 -- 60 minutes .