365-day calendar 365-day calendar A 365-day calendar consists of exactly 365 days per year (no leap days), and is primarily used in computer models and as an assumption in every-day calculations. For example, a calculation of a daily rate may use an annual total divided by exactly 365. Interest rates in some banks are calculated using a 365-day calendar. Some Mesoamerican calendars used a 365-day year with no leap year, resulting in a gradual shift of the seasons relative to the calendar. This includes the Maya Haab' and the Aztec Xiuhpohualli calendars. Some versions of the Zoroastrian calendar also use a fixed
Mesoamerican languages the presence of whistled languages, incorporation of bodypart nouns into verbs, the derivation of locatives from bodypart nouns, grammatical indication of inalienable or intimate possession. Terrence Kaufman has worked with documenting the process of this linguistic convergence and he argues that the most probable donor languages of the borrowings into other Mesoamerican languages are the Mixe–Zoquean and Totonacan languages, this supports a theory of either or both of these cultures having a prominent role as a dominating power in early Mesoamerican history. Mesoamerican languages Mesoamerican languages are the languages indigenous to the Mesoamerican cultural area, which covers southern Mexico, all