The Mayan calendar’s 819-day cycle has confounded scholars for decades, but recent research shows how it matches up to ...

Despite the mysticism that often clouds the Mayan calendar in popular culture, fact remains that the calendar system in use by the Mayans was based on a system used throughout the pre-Columbian ...

How he found the solution of the mystery of the ancient Mayan calendar, the oldest time-counting system in the world, was explained yesterday by Dr. H. J. Spinden of the Peabody Museum in an ...

Despite the mysticism that often clouds the Mayan calendar in popular culture, fact remains that the calendar system in use by the Mayans was based on a system used throughout the pre-Columbian ...

The movements of all major planets visible to the ancient Mayans fit into this extended calendar. The Mayan calendar’s 819-day cycle has confounded scholars for decades, but recent research ...