I studied with one of the top Mayan scholars in North America, and learned that the 260-day Mayan calendar was correlated to the human gestational period. So th

I studied with one of the top Mayan scholars in North America, and learned that the 260-day Mayan calendar was correlated to the human gestational period. So this is interesting: "They also note that the number of days (16,380) used in the math happens to be a multiple of 260, which means that 20 rounds of 819-day periods match with the Tzolk'in—the general Maya calendar."