Philippines

UTC offset: +08.00

Time zone Abbreviation: PHT/PST

Brunei

UTC offset: +08.00

Time zone Abbreviation: BNT/BDT

Malaysia

UTC offset: +08.00

Time zone Abbreviation: MYT/MST
Notes: Peninsular Malaysia switched from UTC+07:30 on 1 January 1982, and East Malaysia uses it since 1933, except for the Japanese Occupation during World War Two.

Singapore

UTC offset: +08.00

Time zone Abbreviation: SST/SGT
Notes: From 1 January 1982, except for Japanese occupation of Singapore during World War Two.

Indonesia

UTC offset: +07.00 ,+08.00 ,+09.00

Time zone Abbreviation: ICT,WITA,WIT
Notes: A single national time zone of UTC+08:00 has been proposed, however it is unclear when or if it may be implemented.

Vietnam

UTC offset: +07.00

Time zone Abbreviation: ICT
Notes: From 13 June 1975 after reunification

Cambodia

UTC offset: +07.00

Time zone Abbreviation: ICT