Calendar is one of those common business gifts. These days, to get more attention from potential clients, to connect with existing clients or to promote the seasonal products, more and more creative calendar printing are created. Some of them are still traditional paper printing with creatively implemented ideas, while some of them are totally out of box, They can be a toy, a tool, a decoration or even a kind of food. Here, we complied a list of 16 Advertising Calendar we like most. Some of those designs are really smart and entertaining, something that you might not expect in calendar; and some of them are also fun to use and may require your involvement since some of them are quite interactive in nature. I hope you will find the calendar designs inspirational.