Sesquinox!

[akicif]

Okay, it's a made-up word - and it's wrong, 'cos it actually means 1.5-night - but from yesterday into today, we had twice as much night-time as daylight:

http://www.onlineweather.com/v4/uk/sun/Edinburgh.html#November

Roll on January 22, when the daylight becomes more than half as long as the night again!