元となった辞書の項目
國際日期變更線
広東語の発音（粵拼）
固有名詞
中国大陸
international date line / the line on the Earth where the date changes by one day when crossed / a meridian in the Pacific Ocean roughly along the 180th meridian where the calendar date changes / concept used in timekeeping and navigation to demarcate the change of one calendar day to the next
英語の意味
(chiefly Mainland China) International Date Line
