Map showing the member states of ASEAN.

The ASEAN Common Time (ACT) is a proposal to adopt a standard time for all Association of Southeast Asian Nations member states. It was proposed in 1995 by Singapore, and in 2004 and 2015 by Malaysia to make business across countries easier. The proposal failed because of opposition in Thailand and Cambodia: Thais and Cambodians argued that UTC+08:00 was not better than UTC+07:00, which is the current time zone of their countries.

Currently, there are four different time zones used by ASEAN countries. UTC+06:30 (Myanmar); UTC+07:00 (Cambodia, Laos, Thailand, Vietnam, and Western Indonesia); UTC+08:00 (Brunei, Central Indonesia, Malaysia, Philippines, and Singapore); and UTC+09:00 (Eastern Indonesia and Timor-Leste).

The proposal would institute UTC+08:00 as the ASEAN Central Time, putting Myanmar at UTC+07:00, and leaving the less populous eastern Indonesia at UTC+09:00.[citation needed] This would result in the vast majority of the region's people and territory lining up at UTC+08:00—in sync with China, Hong Kong, Macau, Taiwan, and Western Australia, while the eastern islands of Indonesia would remain at UTC+09:00—in sync with Japan, South Korea, North Korea, East Timor and Palau.

Some regional businesses have already begun adopting the phrase "ASEAN Common Time", also using the abbreviation ACT, in their press releases, communications, and legal documents. The idea has continued to be under discussion by ASEAN, with Singapore supporting it strongly.

List

ASEAN relationCountryUTC offsetTime Zone AbbreviationNotesRef
ASEAN membersMyanmar+06:30MMTSome experts suggest that moving to UTC+07:00, rather than UTC+08:00, would be a more natural change.Myanmar Standard Time
Thailand+07:00ICTTried unsuccessfully to switch to UTC+08:00 in 2001 under then-Prime Minister Thaksin Shinawatra. The issue remains under discussion.Time in Thailand
LaosTime in Laos
VietnamFrom 13 June 1975 after reunification.Time in Vietnam
CambodiaTime in Cambodia
Indonesia+07:00WIBA single national time zone of UTC+08:00 has been proposed, however, it is unclear when or if it may be implemented.Time in Indonesia
+08:00WITA
+09:00WIT
Singapore+08:00SGT/SSTFollowed Malaysia to switch to UTC+08:00 on 1 January 1982, except under Japanese occupation of Singapore during World War II.Singapore Time
MalaysiaMYT/MSTPeninsular Malaysia switched from UTC+07:30 on 1 January 1982, and East Malaysia has used it since 1933, except under Japanese occupation during World War II.Time in Malaysia
BruneiBNT/BDTTime in Brunei
PhilippinesPHT/PSTFirst implemented on 1 January 1845 by redrawing the International Date Line. It became permanent on 29 July 1990 when the country ended the use of daylight saving time, then set at UTC+09:00.Philippine Standard Time
Timor-Leste+09:00TLTTime in Timor-Leste
ASEAN observer statesPapua New Guinea+10:00PGTTime in Papua New Guinea
+11:00BST
ASEAN Plus ThreeJapan+09:00JSTJapan Standard Time
South KoreaKSTTime in South Korea
China+08:00CSTTime in China

External links

  • . 30 November 1996. Archived from the original on 14 February 2006.
  • . Archived from the original on 8 January 2006.
  • Abdullah Ahmad Badawi (7 August 2004). . Archived from the original on 17 October 2004.

See also

Notes