Daily: 9:30 a.m. - 5:30 p.m., last admission at 5 p.m.
Closed on the first Mon of every month, 1 January, Seollal and Chuseok (three-day holiday in September or October).
No admission fee.
Wikipedia https://en.wikipedia.org/wiki/KBS_Hall
Official website http://office.kbs.co.kr/kbshall/
More information on visitseoul.net http://www.visitseoul.net/en/article/article.do?_method=view&art_id=45260&lang=en&m=0004003002005&p=03
Phone +82 2 781 2224
Address 150-790 13, Yeouigongwon-ro, Yeongdeungpo-gu, Seoul, South Korea
Coordinates 37°31'33.434" N 126°54'54.796" E