The Mayan civilization of Central America was and is the most advanced in relation to time-science knowledge.中美洲的玛雅文明过去曾是，目前还是时间-科学领域知识中最先进的。
Two centuries of dryness about 1,100 years ago apparently contributed to the end of classic Mayan civilization in Mexico1100年前左右，为期两个世纪的乾期，显然是将墨西哥与中美洲一带的马雅古文明推向灭绝深渊的凶手。