TravelReady Guide

Travel comparison

Thailand vs Japan

A side-by-side look at the practical travel essentials for Thailand and Japan — power, safety, money and getting around — so you can plan or choose between them quickly.

Quick answer

Traveling between Thailand and Japan, you likely won't need a plug adapter, and a voltage converter is likely needed for single-voltage appliances.

Detail Thailand Japan
Power plug Type A/B/C Type A/B
Voltage 230V 100V
Frequency 50Hz 50/60Hz
Emergency (general) 191 (police) / 1669 (medical) 110 (police) / 119 (fire & ambulance)
Police 191 110
Ambulance 1669 119
Tap water Use bottled water Generally safe
Driving side Left Left
Currency Thai Baht (THB, ฿) Japanese Yen (JPY, ¥)
Dialing code +66 +81
Time zone UTC+7 (ICT) UTC+9 (JST)
Best season November to February is the most comfortable season for Bangkok, Chiang Mai and many beach areas. March to May can be very hot, while monsoon patterns vary between the Andaman and Gulf coasts. Spring and autumn are the classic seasons, with cherry blossoms from late March to April and foliage in October to November. June is rainy in many regions, and midsummer can be hot and humid.

Full brief

Thailand travel essentials

Plugs, emergency numbers, tap water, tipping and more for Thailand.

Full brief

Japan travel essentials

Plugs, emergency numbers, tap water, tipping and more for Japan.

Check exactly what adapter you need →