Travel Information


Thailand is a destination not to be missed for both business and leisure travelers. It has a rich cultural background, incredible diversity and a climate suitable for travel almost year round.

As a participant at APAO 2019, you will discover a friendly, safe and beautiful country while enhancing your knowledge within the field of ophthalmology and networking with colleagues.


Business Hours

Government offices open from 08:30 to 16:30, Monday to Friday.

Banking hours are Monday to Friday, 08:30 to 15:30.

Most business offices open from 08:30 to 17:30, Monday to Friday. Some are also open on Saturday.



The temperature varies from 19°C to 38°C, with the annual average at about 29°C. The humidity ranges from 66% to 82.8%.



Light, cool clothes are highly recommended. Thin cotton is the best. A jacket or sweater may be necessary in the cool season, especially in mountainous areas in the north or northeast.



220 volts, 50 cycles throughout the country.



Thai is the national language. English is widely understood in Bangkok and big cities.


Local Time

GMT +7 hours.


Telephone Services

1. Local calls

All telephone numbers for local calls, long distance calls within the country and mobile phones have nine digits, starting with 0.

  • For Bangkok calls: 0 + 2 + numbers, e.g. 0 2250 5500.
  • For provincial calls: area code + numbers, e.g. 0 5323 6400 for Chiang Mai (053 is the area code for Chiang Mai); 0 7623 6400 for Phuket (076 is the area code for Phuket).

2. International calls

  • The international dialing code for Thailand is 66.
  • To directly dial a foreign number from a private phone, dial 001 + country code + area code + telephone number.



Generally, a foreign citizen who wishes to enter the Kingdom of Thailand is required to obtain a visa from a Royal Thai Embassy or a Royal Thai Consulate-General. However, nationals of certain countries do not require a visa or can apply for a visa on arrival. For the full list and further details, please visit



Drink only bottled or boiled water.



To fully experience Bangkok and the local life, try one of the many excursions on offer. Details and bookings are available at