11.30pm Perfect time for Aliens to invade as long as they stay out of the streets as think of the fight in Edinburgh with 200,000 drunken and belligerent revellers.
I was there, and so were the aliens (mostly because of the very favourable exchange rate with the Euro, I think). As the fireworks drained from the sky, several Chinese lanterns drifted overhead in a northerly direction. Nobody knew what they were, but by then the discovery of pink iguanas in the New Town wouldn't have surprised anyone.
They fly high enough to avoid ground scale clues, appear to move at a steady speed, and are visible over a great distance; there'll be loads more UFOs this year.