Read the student handout to familiarize yourself with the calculations that students will make. Organize students in groups. Distribute copies of the "Calendar Count" student handout. Tell students ...

An undated artists reconstruction of the ceremonial structures dating to about 200 BC to 300 BC at the San Bartolo Preclassic ancient Maya site in Guatemala where evidence was found for the earliest ...

Scholars show how multiple planet movements tie into the 819-day Mayan calendar. The 819 days of the calendar must be viewed across a 45-year time period to fully understand. The movements of all ...

Archaeologists found the calendar fragment among a total of 249 pieces of painted plaster and painted masonry block. Photograph by Karl Taube / Courtesy of the Proyecto Regional Arqueológico San ...

AUSTIN, Texas — A team of archaeologists has discovered the earliest known record of the Mayan calendar system. Among them was an art history professor from the University of Texas at Austin. The team ...

A glyph representing a day called “7 Deer” on mural fragments dating from the third century BC found inside the ruins of a pyramid in Guatemala marks the earliest-known use of the Maya calendar, one ...