Mesoamerican calendars was of ritual significance to a number of Mesoamerican cultures. A third major calendar form known as the Long Count is found in the inscriptions of several Mesoamerican cultures, most famously those of the Maya civilization who developed it to its fullest extent during the Classic period (ca. 200–900 CE). The Long Count provided the ability to uniquely identify days over a much longer period of time, by combining a sequence of day-counts or cycles of increasing length, calculated or set from a particular date in the mythical past. Most commonly, five such higher-order cycles in a modified vigesimal (base-20)
The Calendar of Nature autumn. People like Keats sought other climates in order to try to overcome their sicknesses. However, Keats and Hunt reveal a preference for the British landscape, and this influenced the construction of "To Autumn". The Calendar of Nature The Calendar of Nature is a series of articles by Leigh Hunt about aspects of various months and seasons published throughout 1819 in the "Examiner". It is also included in his "Literary Pocket-Book" and published on its own as "The Months". The work places emphasis on the season of autumn as a time for justice and prosperity, and influenced John Keats's poem