The brief history of North Korea’s time zone

On Aug. 15, 2015, North Koreans put their clocks back half an hour to establish their own time zone, “Pyongyang time.” Less than three years later, the country put their clocks forward half an hour so they are again in the same time zone as South Korea. It's a symbolic but still noteworthy move. North […]

Source: http://www.washingtonpost.com/blogs/worldviews/wp/2018/05/04/the-brief-history-of-north-koreas-time-zone/