Korean time is 9 hours ahead of Greenwich Mean Time (GMT+9)
The unit of Korean currency is the Won (￦).
Diners Club, Visa, American Express and MasterCard are widely accepted at major hotels, shops and restaurants in the larger cities. Check with your credit card company for details of merchant acceptability and other services which may be available.
Accepted, but may be difficult to change in smaller towns. To avoid additional exchange rate charges, travelers are advised to take Traveler's check in US Dollars.
Government office hours are usually from 9:00 to 18:00 on weekdays and closed on weekends. Banks are open from 9:00 to 16:00 on weekdays and closed on Saturdays and Sundays. Most stores are open every day from 10:30 to 20:00, including Sundays.
Tipping is not a traditional custom in Korea. A 10% service charge will be added to your bill at all tourist restaurants and hotels. It is also not necessary to tip a taxi driver unless he assists you with luggage or provides an extra service.
The standard voltage in Korea is 220 volts. The outlet has two round holes and is the same type used in France, Germany, Austria, Greece, Turkey, and many other countries. If you do not have a multi-voltage travel adapter, you can borrow one from your hotel’s front desk. If you want to buy one in Korea, you can do so at a duty-free shop, convenience shop at Incheon International Airport, or Yongsan Electronics Shopping Town.