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).
The Prime Meridian runs through Greenwich, England, hence the name Greenwich Mean. Time or GMT . All over the planet it is the same time. Some people use the names Z or Zulu and UTC or Universal Time Coordinates. instead of GMT . GMT , Z, Zulu and UTC all mean the same thing - the current time at the Prime Meridian. When converting from GMT to local time, first consider the GMT as military time (24 hour clock). Next, the local time is converted to an AM/PM time, if needed. Consider 2300Z as 2300 hours (basically changing Z time to a 24 clock).