UTC+08:00 is an identifier for a time offset from UTC of +08:00.
It is the most populous time zone in the world, as well as a possible candidate for ASEAN Common Time, mainly due to China's large population, with an estimated population of 1.4 billion people.
Eastern Indonesia (or East Indonesia; Indonesian: Indonesia Timur, pronounced [ɪndoˌnes(i)ja ˈt̪imʊr]) is one of the two main geographical regions of Indonesia, the other being Western Indonesia. It comprises four geographical units: Lesser Sunda Islands, Sulawesi, Maluku Islands and Papua. Central Indonesian Time and Eastern Indonesia Time are the national standard time designated for Eastern Indonesia; it falls within the UTC+8 and UTC+9 time zone, respectively.
Eastern Indonesia borders the Southern Philippines and Palau in the North, Papua New Guinea in the East, and Northern Australia in the South.
View the full Wikipedia page for Eastern Indonesia