Maya astronomy
@article{Thompson1974MayaA,
title={Maya astronomy},
author={J. E. Thompson},
journal={Philosophical Transactions of the Royal Society of London. Series A, Mathematical and Physical Sciences},
year={1974},
volume={276},
pages={83 - 98}
}The Maya had three concurrent counts: 365-day years; 360-day ‘years’ (tuns), with named vigesimal multiples to 3200000 tuns, for calculations; and a 260-day sacred almanac (13 numbers and 20 concurrent names) covering all mundane and astronomical activities. Solar eclipse and Venus synodical revolutions are tabulated in one hieroglyphic book to reach the lowest common multiple with 260: for Venus 37960 days (584 x 65 = 260 x 146 also 365 x 104); for the Moon 11960 days (405 lunations = 260 x 46… CONTINUE READING
10 Citations