Authors:

Christmas begins about the first of December with an office party and ends when you finally realize what you spent, around April fifteenth of the next year.

P. J. O'Rourke (2007). “Modern Manners: An Etiquette Book for Rude People”, p.136, Grove/Atlantic, Inc.
Christmas begins about the first of December with an office party and ends when you finally realize what you spent, around April fifteenth of the next year.