2017年04月 / The Mesoamerican Calendar Ancient Shared Time Keeping
12345678910111213Calendar Roman Ancient Lunar 15161718192021222324252627282930Le calendrier mésoaméricain ancien temps partagé
At what time did the agenda created?
During what period did the schedule first established?
In what period was the calendar come into existence?
In what period did the agenda originally created?
In which period was the agenda firstly conceived?
In which period did the timetable firstly introduced?
In which period was the schedule creation?
At what time was the timetable come about for the first time?