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

one day

(archaic) second-person personal pronoun: you

human / person / people / individual / man / woman / someone

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

all night

Kyūjitai form of 中国人: Chinese person; Chinese people

one, 1 / the first in order, foremost / the beginning / the best / a kind of; one of something / (card games) an ace / unity / the bottom string of a shamisen or other Japanese musical instrument

single room

middle, medium / average; neither good nor poor / during; being in the process of doing / second volume of a three volume set