Maya Date
From WikiRaider
The Maya Date is an Artifact in Shadow of the Tomb Raider. It is part of the Path of the Stars collection. It can be found in Cozumel.
In the Maya count calendar, all dates have five numbers. This numeral was damaged to look like a thirteen, but what if it's really an eight? That's a two thousand year difference, and the constellations would be in a completely different position. So the star path would least West, to somewhere in Peru.
Artefact description in the game inventory
Examine to find hidden information
The last number on the left pillar is a zero.
Hidden Information