'Then what is Durin's Day?' asked Elrond.
'The first day of the dwarves 'New Year,' said Thorin, 'is as all should know the first day of the last moon of Autumn on the threshold of Winter. We still call it Durin's Day when the last moon of Autumn and the sun are in the sky together.
I took this picture from 'the Chimney's' at Table Rock, NC