The article states the full moon will occur Thursday, Dec. 12 at 12:12 a.m. EDT (5:12 UTC). I think you have a typo, unless this was supposed to be listed in Eastern DAYLIGHT Time?
Hi, this is one of the words I learned from Scrabble: syzygy. When these three objects line up, the exact moment for it happening does not need to be at any particular time of the day at your location.