Currency & Banking
The unit of currency is Korean Won (KRW), expressed as ￦. Coin denominations are ￦10, ￦50, ￦100 and ￦500. Bank notes are ￦1,000, ￦5,000, ￦10,000 and ￦50,000. As of November, 2011, the exchange rate is approximately ￦1,100 for $1 (USD).
Currency exchange
Foreign banknotes can be exchanged at most banks and other authorized moneychangers.
Traveler's checks
Traveler's checks can also be exchanged at most banks, but may be difficult to change in smaller towns. To avoid additional exchange rate charges, We advise you to take traveler’s checks in US dollar.
Banking hours
09:00 - 16:00, Monday through Friday
Credit Card
Visa, and MasterCard are accepted at almost all retail outlets, but Diners Club and American Express may only be accepted at major hotels, shops and restaurants in the larger cities. Check with your credit card company for details on merchant acceptance and other available services.
Electricity
Outlets for 220 Volts/60Hz are mostly used in Korea. In order to convert the power into 110 volts please contact the hotel housekeeping and current transformer will be available.
Business Hours
Government office hours are usually from 9am to 6pm on weekdays and closed on Saturdays and Sundays. Banks are open from 9:00am to 4:00pm on weekdays and closed on Saturdays and Sundays. Major department stores are open every day from 10:30am to 8pm including Sundays.
Time Difference
Korea is 9 hours ahead of Greenwich Mean Time (GMT +9) and does not observe daylight savings time.
http://www.timeanddate.com/worldclock/south-korea/seoul
Tip & Tax
Tip Tipping is not regularly practiced in Korea. Service charges are often included in the bill for rooms, meals, and other services at hotels and upscale restaurants. Koreans occasionally do tip when they are especially pleased with the services provided.
Tax
Upon request, visitors can receive VAT refunds of about 10 percent for purchases at "Duty Free Shopping" outlets. Goods must be taken out of Korea within three months of purchase to be eligible for a tax refund. Only foreign tourists in Korea can apply for this tax refund. Visitors can receive refund on receipts with a minimum purchase amount of KR￦ 50,000 (around US$ 50). To receive this refundable, present refund receipts together with the purchased goods at the customs desk at the airport on your day of departure. These receipts can be cashed in at the Cash Refund Office in front of the Airport Duty Free Shop.
Emergency Dial Number
Police : 112 / Fire & Ambulance : 119 / Medical emergency : 1339
※ These services are available 24 hours.
Useful Website
Grand Hilton Seoul Hotel      http://www.grandhiltonseoul.com/
Incheon International Airport      http://www.airport.kr
Gimpo International Airport      http://www.airport.co.kr/doc/gimpo
About Seoul      http://english.seoul.go.kr
About Korea      http://www.tour2korea.com
Ministry of Foreign Affairs and Trades      http://www.mofat.go.kr