V2EX international date line

International Date Line

释义 Definition

国际日期变更线:一条大致沿着西经/东经180°经线(并为避开岛屿与国界而多处弯曲)的假想线。跨越它会导致日期改变一天

  • 向西跨越:日期 加一天
  • 向东跨越:日期 减一天
    (主要用于民用时区与日历日期的统一;并非自然界“真实存在”的线。)

发音 Pronunciation (IPA)

/ntrnnl det lan/

例句 Examples

Cross the International Date Line and you change the date by one day.
跨越国际日期变更线,你的日期会改变一天。

Sailors navigating the Pacific plan carefully for the International Date Line, since a single crossing can shift their logs and schedules by 24 hours.
在太平洋航行的水手会为国际日期变更线做周密计划,因为一次跨越就可能让航海日志与行程表在日期上相差24小时。

词源 Etymology

international(国际的)+ date(日期)+ line(线)。该术语用于描述全球统一日历时,在地图与航海/航空实践约定的“日期分界线”。“date”源自拉丁语 datum(“已给出的东西”,后来引申为“日期”),而“line”源自拉丁语 linea(亚麻线、线条)。

相关词 Related Words

文学作品 Literary Works

  • Jules Verne《Around the World in Eighty Days》(《八十天环游地球》)
  • James A. Michener《Hawaii》(《夏威夷》)
  • David Mitchell《Cloud Atlas》(《云图》)
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