UTC | UTC+7 | UTC+08:00 | UTC+07:30 | UTC+07:00 | Westfield UTC | UTC Power | UTC+9 | UTC+8 | UTC +8 | UTC+6 | UTC+5 | UTC+2 | UTC+1 | UTC+07:00:00 | UTC+06:42:04 | UTC+06:30 |
Thailand declared that people would move their clocks ahead by 17-minutes 56-seconds to match the time in use in Southeast Asia (UTC+06:42:04 hrs and UTC+07:00:00 ahead of Greenwich Mean Time) on 31 March 1920.