I think New Years is my favorite holiday just because of Auld Lang Syne song. It's a day where you reflect back on everything you've done in the past year and then go "Here's to a new one!".
Also, Puerto Rican New Years Eve traditions are craaazzyyyy I might die
And here's a few icons:
I've also added it to the official Nyan Cat site for those who want to watch it endlessly: http://nyancat.cat/newyear.html