時辰 is read as じしん (jishin) and means time.
じしん
jishin
じしんぎ
chronometer
じせつ
season
じか
current value
じぎ
right time
じきしょうそう
premature
じだいさくご
anachronism
じひょう
commentary on current events
じせつがら
in these times
じかはっこう
public offering of new shares at market price
じかかいけい
current-value accounting
じかかいけいせいど
mark-to-market accounting system
じかんはってん
time evolution