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)
Calendar house the year. And even the park wall has 12 doors opening towards the outside, seven of which face towards the city. A possible Mesoamerican example is El Castillo, Chichen Itza, which is a Mesoamerican step pyramid with 91 steps on each of its four sides. Taking these steps, and adding the temple platform on top as the final "step", produces a total of 365 steps. Calendar house A calendar house is a house that symbolically contains architectural elements in quantities that represent the respective numbers of days in a year, weeks in a year, months in a year and days