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).
GMT is a time zone and a reference point, but UTC is a standard that has no set zone. The time difference between these two concepts is minimal, but the differences still remain. GMT is a time zone that is used officially in many European and African countries. It is also used on the International Space Station.