The Day Out of Time marks the end of one solar cycle and the next.
The Day out of Time, which falls on July 25 each cycle, is the day before the new year.
The new year begins with July 26th and ends with July 24, only 364 days. The missing day is The Day Out of Time, giving the calendar 365 days.

This topic and others such as Day out Of Time is explained here, and perhaps you'll understand why it is celebrated.

Galactic Portal Day
Kin 58
White Rhythmic Mirror
I Organize in order to Reflect
Balancing Order
I seal the matrix of Endlessness
With the Rhythmic tone of Equality
I am guided by my own power doubled
I am a galactic activation portal enter me
Castle 2: White Northern Castle of Crossing
Wavespell Red Skywalker

First Quarter
First Quarter