flush - a sudden rapid flow (as of water); he heard the flush of a toilet; there was a little gush of blood; she attacked him with an outpouring of words Synonyms: gush, outpouring 7.
The Pacific Time Zone observes standard time by subtracting eight hours from Coordinated Universal Time (UTCâ8). The standard time in this zone is based on the mean solar time of the 120th meridian west of the Greenwich Observatory.
PST is Pacific Standard Time. There is no OST time zone, though  there is an OMST zone, Omsk Time (Russia), which is 7 hours ahead  of UTC, therefore the difference between â¦ the two would be 15 hours.       /  . Answered. In Science.