<page_title> Mesoamerican Long Count calendar </page_title> <section_title> Correlations between Western calendars and the Long Count </section_title> <table> <cell> Mon, Aug 11, 3114 BCE <col_header> (proleptic before 1582) Gregorian date GMT (584,283) correlation </col_header> </cell> </table>
Using the GMT correlation, the Mesoamerican Long Count calendar started on August 11, 3114 BCE in the Proleptic Gregorian calendar.