ASEAN Common Time

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.[1][2] It was proposed in 1995 by Singapore, and in 2004 and 2015 by Malaysia to make business across countries easier.[3][4] The proposal failed because of opposition in Thailand and Cambodia:[3][5] Thais and Cambodians argued that UTC+08:00 was not better than UTC+07:00, which is the current time zone of their countries.[3]

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).

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 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 since been under discussion by ASEAN, with Singapore supporting it strongly.[6][7]

List

ASEAN relation Country UTC offset Time Zone
Abbreviation[8]		 Notes Ref
ASEAN members  Myanmar +06:30 MMT Some experts suggest that moving to UTC+07:00, rather than UTC+08:00, would be a more natural change. Myanmar Standard Time
 Thailand +07:00 ICT Tried unsuccessfully to switch to UTC+08:00 in 2001 by then-Prime Minister Thaksin Shinawatra. The issue remains under discussion. Time in Thailand
 Laos Time in Laos
 Vietnam From 13 June 1975 after reunification Time in Vietnam
 Cambodia Time in Cambodia
 Indonesia +07:00 WIB A single national time zone of UTC+08:00 has been proposed, however, it is unclear when or if it may be implemented.[9] Time in Indonesia
+08:00 WITA
+09:00 WIT
 Singapore +08:00 SGT/SST Followed Malaysia to switch to UTC+08:00 on 1 January 1982,[10] except under Japanese occupation of Singapore during World War II. Singapore Time
 Malaysia MYT/MST Peninsular Malaysia switched from UTC+07:30 on 1 January 1982,[10] and East Malaysia uses it since 1933, except under Japanese occupation during World War II. Time in Malaysia
 Brunei BNT/BDT Time in Brunei
 Philippines PHT/PST First implemented on 1 January 1845 by redrawing the International Date Line.[note 1][11][12] It became permanent on 29 July 1990 when the country ended the use of daylight saving time, then set at UTC+09:00.[13] Philippine Standard Time
ASEAN observer states  Timor-Leste +09:00 TLT Time in Timor-Leste
 Papua New Guinea +10:00 PGT Time in Papua New Guinea
+11:00 BST
ASEAN Plus Three  Japan +09:00 JST Japan Standard Time
 South Korea KST Time in South Korea
 China +08:00 CST Time in China
  • "Press Statement The First Informal ASEAN Heads of Government Meeting Jakarta". 30 November 1996. Archived from the original (Press release) on 14 February 2006.
  • "Joint Communique of The 29th ASEAN Ministerial Meeting (AMM) Jakarta, 20-21 July 1996". Archived from the original on 8 January 2006.
  • Abdullah Ahmad Badawi (7 August 2004). "Towards an ASEAN Community". Archived from the original (speech) on 17 October 2004.

See also

Notes

  1. ^ The Philippines was one day behind neighboring countries in Asia since Ferdinand Magellan's arrival on 16 March 1521, then later claimed part of the Viceroyalty of New Spain (Virreinato de Nueva España) known as Spanish Empire on 27 April 1565 until Mexico's independence on 27 September 1821. More than two decades later, on 16 August 1844, then Governor-General Narciso Claveria reformed the Philippines calendar by removing Tuesday, 31 December 1844, to align with the rest of Asia. Monday, 30 December 1844 was immediately followed by Wednesday, 1 January 1845. The change also applied to Caroline Islands, Guam, Marianas Islands, Marshall Islands and Palau for being part of the Captaincy General of the Philippines during those times.

References

  1. ^ "Association of Southeast Asian Nations · ASEAN Anthem". Aseansec.org. Archived from the original on 30 September 2007. Retrieved 12 October 2013.
  2. ^ "The Nation - Google News Archive Search". Google News. Retrieved 25 February 2019.
  3. ^ a b c Com, The Phuket News (25 April 2015). "Thailand News: Asean unlikely to agree on common time zone". The Phuket News Com. Retrieved 18 August 2020.
  4. ^ Media, Kompas Cyber (10 December 2019). "Pengaruh Letak Astronomis ASEAN". KOMPAS.com (in Indonesian). Archived from the original on 29 December 2019. Retrieved 18 August 2020.
  5. ^ Sunday, 26 Apr 2015 11:11 PM MYT (26 April 2015). "Proposal for common Asean time zone put on hold, Anifah says | Malay Mail". www.malaymail.com. Retrieved 18 August 2020.{{cite web}}: CS1 maint: numeric names: authors list (link)
  6. ^ "Remarks By Foreign Minister George Yeo in Parliament in Response To Question on Asean Cooperation". mfa.gov.sg. 2 September 2004. Archived from the original on 14 July 2012.
  7. ^ "A common Asean time zone? 6 things about time differences in the region". The Straits Times. 30 January 2015. Archived from the original on 2 August 2019. Retrieved 21 June 2019.
  8. ^ "Time Zone Abbreviations – Worldwide List". timeanddate.com.
  9. ^ "Hatta : Penyatuan Zona Waktu Tidak Batal". OkeFinance (in Indonesian). 9 February 2013. Archived from the original on 2 February 2023. Retrieved 28 March 2024.
  10. ^ a b "Press Release on Time Zone Adjustment". National Archives of Singapore. 20 December 1981. Archived from the original (PDF) on 15 July 2018. Retrieved 3 October 2020.
  11. ^ Ichimura, Anri (17 February 2021). "For Over 300 Years, the Philippines Was One Day Behind Every Country in Asia". Esquire. Philippines. Retrieved 14 March 2023.
  12. ^ Schedler, Joseph (1878). An illustrated manual for the use of the terrestrial and celestial globes. New York. p. 27.{{cite book}}: CS1 maint: location missing publisher (link)
  13. ^ "Time Zone & Clock Changes in Manila, Philippines". www.timeanddate.com.

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