calendar with blue top and light blue background

endar is a system for naming periods of time, typically days. These names are known as calendar dates. The dates may be based on the perceived motion of astronomical objects. A calendar is also a physical device (often paper) that illustrates the system (for example, a desktop calendar) — this is the most common usage of the word. See more at Wikipedia.org...

>This article is about the colour. For other meanings of "gray" or "grey", see Grey (disambiguation).'' Grey or gray (the latter more usually in American English) is a colour seen commonly in nature. It is created by mixing white and black in different proportions. Depending on the amount of light, the human eye can interpret the same object as either grey or some other colour. See more at Wikipedia.org...