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 above is a countdown until BST becomes GMT+0. This is called Greenwich Mean Time (GMT) and involves putting your clock back 1 hour. (The clocks go backwards on Sunday, October 25th 2015 at 01:00am BST).