GMT - 7:30
GMT Clock (GMT MINUS 7:30 HOURS)
Greenwich Mean Time Clock (UTC-7:30) GMT-7:30 hours also has no takers. No country in the world is using Greenwich Mean Time minus seven hours and thirty minutes as standard time for the reason that none falls in this meridian or the longitude happens to be unsuitable for use as standard time meridian. But you can still use MatsClock-gmt-1341 to view this time.
Country Standard Time GMT-7:30
Once again Country Standard Time GMT-7:30 is not used by any country in the world as of now. In the future may be some newly established country may end up using it.