The cache is not at the posted coordinates.
It's always time to celebrate things that make life great. Solving a puzzle and finding a geocache can be reasons for celebration. This geocache started with a little bit of celebrating the inner geek and a little bit of ordinary annual celebration.
Finding a heart in a cache may be another reason for celebration - there are enough in there for the first five finders - but more where they came from 
Start from the logo in the centre for each letter and follow the directions below. Cross off each letter as you find it to reveal the hint.
Nobhg 6z rnfg bs genvy ba rnfg fvqr bs perrx. TCF pna or whzcl va gur sberfg - uvag va gur chmmyr jvyy or urycshy.