In Seoul, shops and businesses usually open around 10:00-11:00 AM and close at about 8:00-10:00 PM. However, department stores may stay open until 8:00 PM. Restaurants often operate from 10:00 AM to 10:00 PM, with some open 24 hours. Tourist attractions typically open by 9:00 or 10:00 AM and close between 5:00 and 7:00 PM, but hours can vary by season and day of the week. Note that hours may extend or be reduced on weekends and holidays.