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

all day

holding a conference or event

hold an event

お誕生日おめでとうございます: happy birthday

Alternative form of パーティー (pātī, “party”)

a party (social gathering) / (role-playing games) party (group)

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

regular day off (e.g. closed every Monday)

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