This is Zazzle's single-page Funny Birthday calendars page, where you'll find a unique assortment of Funny Birthday calendars set up for personalization or purchase. Almost all Zazzle calendars are shipped within 24 hours. Buy your favorite design on for a single-page calendar. Personalize any number of calendars with your own text. Upload your photos at no cost! To find more products, please visit our main funny birthday section.