格林威治标准时间
gé​lín​wēi​zhì​biāo​zhǔn​shí​jiān

Greenwich Mean Time

  1. 格林威治 gé​lín​wēi​zhì proper noun
    Greenwich
    A district in southeast London, UK, famous for the Royal Observatory and being the starting point of the Prime Meridian (0° longitude).
  2. 标准时间 標準時間 biāo​zhǔn​shí​jiān noun
    standard time
    the official local time of a region or country determined by a specific time zone