Cultural Heritage Administration opens Gyeongbokggung and Changgyeonggung palaces to visitors for nighttime viewing for 12 days each from May through September as below.

Administration

Month	Palace(s)	Dates	Opening Hours
May	Changgyeonggung	May 21~June 3	19:00~21:30
June	Changgyeonggung	June 18~July 1	19:30~22:00
July	Gyeongbokgung Changgyeonggung	July 16~29
August	Gyeongbokgung	August 20~September 2
September	Gyeongbokgung	September 17~30	19:00~21:30

The admission fee to Changgyeonggung Palace is KRW 1,000 and KRW 3,000 to Gyeongbokgung Palace. Both online and on-site purchases are available to foreigners. The online purchase for May and June tickets begin on May 12 and June 9 each through Interpark Ticket and Auction Ticket. For inquiry: Gyeongbokgung Palace : 02-3700-3900~1 Changgyeonggung Palace: 02-2172-0103