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

Alternative form of 一々

short span of time

(science fiction) Synonym of タイムトラベル (taimu toraberu, “time travel”)

time zone

half-hour (a period of time equal to thirty minutes, half an hour)

time limit; maximum time allowed

summer time (daylight-saving time)

(idiomatic) to kill time