âSentry. A Sentry is a modified system monitor security program tasked with maintaining order on the Grid. Sentries wear standard black garb with red circuitry, and have black visored helmets with an open lower face below the visor. They possess identity discs, but most prefer to fight with their staffs.
Current Greenwich Mean Time (GMT) The Time Now is a reliable tool when traveling, calling or researching. The Time Now provides accurate (US network of cesium clocks) synchronized Greenwich Mean Time (GMT).
Quick Answer. You can convert any time listed in GMT to EST by subtracting 5 hours, which means that at 2 p.m. GMT it would be 9 a.m. EST. Greenwich Mean Time, commonly abbreviated as GMT, is the world standard time keeper, and is also referred to as UTC (Coordinated Universal Time). Keep in mind that during the summer months when daylight savings time is in effect, the difference between GMT and EST/EDT is only four hours, instead of five.