Hong Kong operates on Greenwich Mean Time (GMT) + 8 hours, which is the same as various other Asia-Pacific nations including Mainland China, Indonesia, the Philippines and Singapore.
Although native Cantonese is the most common language spoken in Hong Kong, both English and Mandarin Chinese are also widely used.
In Hong Kong, the average high temperature in October is 28°C, with average lows of 24°C. Rain is infrequent in the autumn and the weather is not as humid. More information, including the most up-to-date forecast, is available via the Hong Kong Observatory.
All visitors to Hong Kong must have a passport that is valid for at least one month after the period of their intended stay in Hong Kong. Nationals of most countries do not require a visa to enter Hong Kong for tourism purposes and can stay for periods of 7 to 180 days, depending on nationality.
For more information, please visit http://www.immd.gov.hk/eng/services/visas/visit-transit/visit-visa-entry-permit.html.
The currency used in Hong Kong is the Hong Kong dollar (HKD), which is available in notes and coins. Major currencies can be exchanged at most hotels, banks and licensed money changers. The Hong Kong dollar is pegged to the US dollar, with exchange rates averaging about 1 USD = 7.75 HKD.
The electrical current in Hong Kong is 220–240 volts AC at 50 cycles per second. Standard UK-type 3-pin plugs are used.
Similar to the Oyster Card in London, the Octopus Card is a stored-value electronic card used for transportation and other purchases in Hong Kong. Once value has been added to the card, individuals may use it to pay for train or bus fare, or to buy items in convenience stores or other shops.