The first day of the dwarves' New Year. It is the first day of the last moon of Autumn on the threshold of Winter. It is Durin's Day when the last moon of Autumn and the sun are in the sky together.
the day of the last moon of autumn
Awakening the Goblins
Thorin, son of Thrain, son of Thror (also known as Thorin Oakenshield) is the heir to Durins throne under Erebor, the lonely mountain. He seeks to reclaim the arkenstone lost to Smaug in order to declaim his kingdom.
they waited until durins day and a crack appeared
he killed the dragon
If you are referring to The Hobbit - The Desolation of Smaug, the premiere was held on Monday, December 2nd, 2013.
Durin's Day.
His shouts allow Gandalf to escape capture by the goblins. And he finds a way to get the dwarves out of the Elvin King's dungeon.
Everything
A hobbit barrow is referred to as a 'smail.'
1977 - "The Hobbit"
A HOBBIT, of course!