one day

the daytime, during the day / a half day, half of a day

before the day is done

(rare) the first day of the month

all day, throughout the day, sunrise to sunset, all around the clock

spend, pass (time); have (a holiday) / do something too much, carry something too far

Used other than figuratively or idiomatically: see 一 and 本 (one thing) / Short for 一本勝ち (ippon-gachi, “winning in one blow”).

one day, 24 hours / the daytime, the period from dawn until dusk / (figuratively) a short period of time / one day, someday, an unspecified day / the first day of the month

spare time / rest / leisure / time / leave of absence / not busy

free; leisure; idle; vacant