one day

all at once

once; one time

two days, a two-day period / the second day after some set point in time / the second day of the month

(rare) the first day of the month

gymnasium / gymnastics / fitness center

times

the twentieth day of the month / twenty days / Short for 二十日鼠 (hatsuka nezumi): a house mouse

two, 2 / second

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