That is a little late during the working day to be able to do Substantially culturally, but you may go into the city (I would recommend Hongdae, since it's closest type the airport) and revel in a pleasant dinner and after that a walk throughout the more energetic place of the city in advance of planning to mattress quite early (you will need to wake up all over 5:30am in order to get on the practice by 6am).
However considering the fact that covid theyve suspended the short-term visas for transit passengers to/with the US. If youre inside the Philippines 토지노 you may submit an application for a transit visa from wherever the nearest Korean consulate is, nevertheless it in all probability will never come back inside the timeframe. You will find surely sparse information, and it makes it unnecessarily tough. :/
Examine the Formal web-site to kind out whether You will need a Korean visa or K-ETA (Korea Electronic Vacation Authorization). These are generally excellent for two several years, and you have to utilize at the very least seventy two hrs before your departure.