時間【じかん】
time, hour, period, class, lesson
時代【じだい】
period, epoch, era, age, the times, those days, oldness, ancientness, antiquity, antique, period piece
当時【とうじ】
at that time, in those days
時々【ときどき】
sometimes, occasionally, at times, from time to time, now and then, once in a while, at intervals, seasonal, of the season, appropriate (for the season or occasion)
時期【じき】
time, season, period, phase, stage
時計【とけい】
clock, watch, timepiece
時半【じはん】
half past (the hour)
同時に【どうじに】
coincident with, while, simultaneously
時点【じてん】
point in time, occasion
時事【じじ】
events of the day, current affairs
同時【どうじ】
simultaneous, concurrent, same time, synchronous, together
臨時【りんじ】
temporary, provisional, interim, special, extraordinary, extra
適時【てきじ】
timely, opportune
零時【れいじ】
twelve o'clock, midnight, noon
即時【そくじ】
prompt, immediate, in real time
戦時【せんじ】
wartime
二十四時間制【にじゅうよじかんせい】
around-the-clock system
現時点【げんじてん】
present point (i.e. in history), at the present time
長時間【ちょうじかん】
long time, several hours, long spell
時価【じか】
current value, price, market value