用語集
航空地理
国際日付変更線 (IDL: International Date Line)
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定義
An imaginary line roughly along the 180° meridian where the calendar date changes
関連用語
協定世界時 (UTC: Coordinated Universal Time)
The primary time standard for regulating clocks and aviation worldwide (also called Zulu time)
経度 (Longitude)
The angular distance east or west of the Prime Meridian, measured in degrees
タイムゾーン (Time Zone)
A geographic region observing a uniform standard time, typically offset from UTC
太平洋横断航路 (Transpacific Route)
An air route crossing the Pacific Ocean, connecting Asia/Oceania with the Americas
Frequently Asked Questions
What is 国際日付変更線 (IDL: International Date Line)?
An imaginary line roughly along the 180° meridian where the calendar date changes
What does IDL stand for?
IDL stands for 国際日付変更線 (IDL: International Date Line). An imaginary line roughly along the 180° meridian where the calendar date changes
How does 国際日付変更線 (IDL: International Date Line) relate to other aviation concepts?
国際日付変更線 (IDL: International Date Line) is closely related to Coordinated Universal Time and Longitude, among other key aviation concepts.
もっと見る： 航空地理
方位 (Bearing)
大陸空域 (Continental Airspace)
協定世界時 (UTC: Coordinated Universal Time)
飛行通路 (Flight Corridor)
大圏距離 (GCD: Great Circle Distance)
半球 (Hemisphere)
カンガルールート (Kangaroo Route)
ノット (kt: Knot)
緯度 (Latitude)
経度 (Longitude)
磁気偏差 (Magnetic Variation)
海里 (NM: Nautical Mile)
海洋空域 (Oceanic Airspace)
極地ルート (Polar Route)
法定マイル (SM: Statute Mile)
タイムゾーン (Time Zone)
大西洋横断ルート (Transatlantic Route)
太平洋横断航路 (Transpacific Route)
北回帰線 (Tropic of Cancer)