Translation guide
Longitude is a geographic coordinate specifying east-west position on Earth. In Japanese, it is expressed with the word 経度 (けいど). This guide covers how to talk about longitude in everyday and technical contexts.
経度
longitude
Expressing the east-west coordinate on Earth's surface
Standard term for longitude. Used in geography, navigation, and everyday contexts.
東京の経度は約139度です。
The longitude of Tokyo is about 139 degrees.
経度と緯度を地図で確認してください。
Please check the longitude and latitude on the map.
East longitude. Used when specifying a longitude value east of the prime meridian.
West longitude. Used when specifying a longitude value west of the prime meridian.
When mentioning both, the common order is 緯度 (latitude) then 経度 (longitude), as in 緯度経度 (いどけいど). However, 経度緯度 is also acceptable.
この場所の経度は何度ですか？
What is the longitude of this location?
船の経度が航海日誌に記録された。
The ship's longitude was recorded in the log.
この地点は東経135度です。
This point is at 135 degrees east longitude.
西経100度の位置を探しています。
I'm looking for the location at 100 degrees west longitude.