Princess Hours is a 2006 South Korean romantic comedy television series, starring Yoon Eun-hye, Ju Ji-hoon, Kim Jeong-hoon and Song Ji-hyo. It is based on Korean manhwa Goong by Park So-hee. It aired on Munhwa Broadcasting Corporation from January 11 to March 30, 2006 on Wednesdays and Thursdays at 21:55 for 24 episodes. Princess Hours was one of MBC's most popular dramas of 2006, second only to Jumong. Overall, the show was the tenth most popular drama of 2006, according to TNS Media. Due to its success, a spin-off series, Goong S, was broadcast on January 10, 2007.