時圏

Reading

Kana: じけん

Romaji: jiken

Definition

noun

1

hour circle; circle of declination

(Astronomy, etc. term)

Kanji

時

Readings: ジ、 とき、 -どき

Meanings: time, hour

圏

Readings: ケン、 かこ.い

Meanings: sphere, circle, radius, range