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Time zone
UTC offset
Current time
06:02, 27 May 2024 UTC+08:30 [refresh]
Central meridian
127.5 degrees E
Date-time group

UTC+08:30 is an identifier for a time offset from UTC of +08:30.


This time zone became the Local Mean Time in Davao Oriental and in easternmost areas of the Philippines from January 1, 1845, until May 10, 1899, mandated by the virtue of Claveria's decree to reform the country calendar by skipping December 31, 1844, that redrew the International Date Line from being west of the country to go east and made the Philippines have same dates with the rest of Asia. The whole archipelago was an entire day behind its neighboring Asian territories for 323 years, 9 months, and 4 days since Magellan's arrival in Limasawa on Saturday, March 16, 1521 (Julian Calendar), which caused by the tricky and unmentioned international date line during the 16th century.[1]

UTC+08:30 was Standard Time of South Korea from 1954 to 1961[2] and it was the time zone of North Korea from 2015[3] to 2018.[4] This time was also used for Changpai Time Zone in northeast China between 1918 and 1949.[citation needed]

See also


  1. ^ Berto (July 28, 2022). "Claveria's Reform". The Philippines Today. Retrieved March 18, 2023.
  2. ^ "Correct many pre-1989 entries for Korea. · eggert/tz@929c14a". GitHub. Retrieved 7 August 2015.
  3. ^ "North Korea to introduce new timezone this month". BNO News. 7 August 2015. Archived from the original on 25 September 2015. Retrieved 9 May 2021.
  4. ^ "North Korea changes its time zone". BBC News. 5 May 2018. Retrieved 9 May 2021.
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