(a duration of) one year / an unspecified year in the past

(idiomatic) to age, to get older

three years; the third year / (education) the third school year / (figuratively) a long period of time, several years

three years; triennial / three years old

all day

(astronomy) the Moon (referring to the astronomical object)

Alternative spelling of 月明かり: moonlight

(poetic) the Moon

(literally "small month") month with 30 days or less

January