Absolutely nothing
2012 was the end of the Mayan calendar so it was seen as the end of time and the world
Mayan calendar
In the Mayan calendar, May 18th would be represented by a combination of both the Tzolk'in (260-day sacred calendar) and the Haab' (365-day solar calendar) dates. These two calendars would align on a specific day combination, creating a unique energy that the Mayans believed influenced events on that day. To determine the exact representation for May 18th, one would need to consult a Mayan calendar expert or refer to a specialized tool.
First, the Mayan calendar doesn't predict the end of the world. It is cyclical and according to the calendar, one cycle is ending and a new one is starting. To properly read the Mayan calendar, you need to study Mayan writing and Mayan culture. It's pretty complicated. The link below supplies tips on how to understand the calendar.
If we knew where it was it wouldn't be 'missing' now would it?
The Mayan long count calendar was based on the belief that time is cyclical and that events in the past would repeat themselves in the future. This cyclical view of time was important in shaping Mayan religious and cultural practices.
Some have interpreted Nostradamus's work to point to the theory that the world would end on December 31, 2012. This prediction is based off an ancient Mayan calendar.
The Mayan calendar ends on 12/12/12. Some predict that this means they believed the world would end on this date. There is no scientific data to back this belief up.
"Unlocking the mysteries of time, the Mayan calendar reveals an ancient system of precision and prophecy that continues to captivate minds across the ages."
Aside from the Mayans use of a calendar to aid in farming, it may have helped them track 'holy days and festivals". There is no evidence that the Mayan calendar was the first one ever created.
The possibility of a second undiscovered Mayan calendar is intriguing, as it could provide further insight into Mayan timekeeping and cosmology. Any new calendar would likely reveal more details about Mayan culture, beliefs, and possibly even predictions about the future. Researchers would need to carefully study and decipher any newly discovered calendar to fully understand its significance.
Many people believe this would be the "fin el mundo" or the end of the world because of the Mayan calendar. According to historians, the Mayan Calendar doesn't have anything beyond December 2012.