While malaria is not considered a problem in Jakarta, prophylactics are advised when travelling to eastern Indonesia. Eat at established hotels and restaurants. Also be sure to guard against sunburn, dehydration and heat exhaustion. Money Matters Major world currencies in the form of cash or travelers cheques can be easily converted into Indonesian Rupiah at banks, authorized money changers or the cashier's desk of your hotel. Visa, Mastercard and American Express cards are accepted at most but not all-shopping centers and restaurants in Jakarta.
Postal services are also available from most hotels.
Business Hours Retail hours vary considerably, though most shops in tourist areas are open from 8 am till 8pm, seven days a week. Other businesses are generally open Monday to Friday from either 8 am till 4 pm or from 9 am till 5 pm. Government offices and banks operate from 8 am till 3 pm, Monday to Thursday, and 8 am till 12 pm on Friday. Indonesia's 17,000 islands straddle three time zones. Most large hotels operate a free shuttles from Soekarno-Hatta airport.