昼間

(1)the period of time taken by a particular planet (e.g. Mars) to make a complete rotation on its axis; "how long is a day on Jupiter?"

(2)特定の惑星（例えば火星）が地軸の周りを完全に1回転するのにかかる時間

(3)the time after sunrise and before sunset while it is light outside; "the dawn turned night into day"; "it is easier to make the repairs in the daytime"

(4)日の出から日没までの屋外が明るい時間

(5)the time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day

(6)平均太陽日よりも約4分短く、ある特殊の星と相対的な地球の完全な自転に対する時間

(7)a period of opportunity; "he deserves his day in court"; "every dog has his day"

(8)好機である期間

(1)