UTC+07:00

UTC+07:00 is the timezone in places below.  The time is 7 hours later than Greenwich Mean Time.  This timezone is also known as Indochina Time (ICT).

As standard time (all year round)
Australia
Christmas Island
Cambodia
Indonesia (Western)
Central Kalimantan, Java, Sumatra, West Kalimantan

 Mongolia  (Far Western)
Khovd, Uvs, and 

Laos
Thailand
Vietnam
Russia - Omsk Time
Altai Krai, Altai Republic, Kemerovo Oblast, Novosibirsk Oblast, Omsk Oblast, Tomsk Oblast.
East Asia
It is considered the westernmost time zone in East Asia.

Discrepancies between official UTC+07 and geographical UTC+07
Although usually time zones are made based on longitude, there are some differences.
Areas located within UTC+07 longitudes using other time zones
Many parts of China, including for example Guangxi Province and Hainan Island
Most of central Mongolia including the capital 
Peninsular Malaysia
Western part of Sarawak in Malaysian Borneo including Kuching
Singapore

Areas located outside UTC+07 longitudes using UTC+07 time
Areas between 82°30′ W and 97°30′ E ("physical" UTC+06)
The westernmost part of Indonesia including Banda Aceh.

Areas between 102°30′ W and 117°30′ E ("physical" UTC+08)
The easternmost part of Java including Surabaya, Malang, and Banyuwangi.

References
Asian time zones

Category:UTC offsets