N3 - 時期じき
time, season, period
N3 - 時刻じこく
instant, time, moment
N3 - 当時とうじ
at that time, in those days
N3 - 同時どうじ
simultaneous(ly), concurrent, same time, synchronous
N3 - 時とき
(1) time, hour, (2) occasion, moment
N2 - 時間割じかんわり
timetable, schedule
N2 - 時速じそく
speed (per hour)
N2 - 臨時りんじ
temporary, special, extraordinary
N1 - 何時の間まにかいつの間まにか
before one knows, unnoticed, unawares
N1 - 時刻表じこくひょう
table, diagram, chart, timetable, schedule