太陽日 たいようじつ Meanings Noun solar day Kanji 太 thick. Read as タイ. 陽 sunshine. Read as ヨウ. 日 day. Read as ジツ. Words containing 太陽日 平均太陽日 (へいきんたいようじつ) mean solar day Word lists Astronomy Jinuma: Japanese Dictionary · Word lists