Salesman Sample Calendar - Man at Work - Red Oak, Iowa - Measures 10 x 15 - Thos. D. Murphy Co.

"Man at Work". Red Oak, Iowa. Measures 10" x 15". A calendar serves as a method for organizing days by assigning names to various time intervals, which typically include days, weeks, months, and years. A date refers to the identification of a particular day within this framework. Additionally, a calendar can exist as a tangible record, often in paper form, representing this organizational system. Furthermore, the term "calendar" may also refer to a compilation of scheduled events, such as a court calendar, or a chronological listing of documents, like a calendar of wills. The time periods defined in a calendar, such as years and months, are generally aligned with the cycles of the sun or the moon, although this is not a strict requirement. Historically, the most prevalent form of pre-modern calendar was the lunisolar calendar, which is a lunar calendar that periodically incorporates an extra month to maintain alignment with the solar year over extended periods.