How did the Mayan reckoning of time differ from the European concept of time?

The basic unit of the Mayan calendar is a period of 90 million years which happens to be the amount of time scientists believe it takes for our galaxy to rotate through 360 degrees.



Beyond that, there is no explanation available since the Spanish conquistadors destroyed almost all evidence of Mayan culture.How did the Mayan reckoning of time differ from the European concept of time?
Mayan = Circular European = Linear.................

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