As transportation and worldwide communication grew in the 19th century, so did the need for a unified method of keeping time. Born of that need were time zones, and in the years since their inception they have played a critical role in everything from travel to Geo-politics.
In light of North Korea recently moving their clocks forward half-an-hour to standardize their time with South Korea, Adam Taylor of The Washington Post briefly explores the fascinating role that time zones have played in the political history of the troubled peninsula.