There are several: Tzolkin Mayan Calendar, Haab Mayan Calendar, The Mayan Venus Cycle, Mayan Long Count Calendar (The terrorist calendar).
In the world there might be hundred ways of dividing time, so finding one with the cycle ending in 2012 was not very difficult.
Furthermore no one was there to check the authenticity of that calendar and given the date of the end of that famous cycle (21/12/12 too many 12 for Mayans who ignored the Gregorian calendar and just the right number for the NWO which loves that number (1776 = 12 x 148)) I bet one US dollar banknote it was completely made up by the NWO.
The parent company of the NWO, The Knights of Malta, are specialist at designing calendars. I must remind you that at the time of Jesus of Nazareth the present time calendar, the Gregorian calendar, didn't exist. So Jesus of Nazareth's was on a Friday, that is it. The Gregorian calendar came to light on February 24th, 1582 after the Jesus of Nazareth's crucifixion and the famous Friday October 13nth., 1307.
As the The Knights of Malta, designed the calendar it made it up in such a way that both dates would fall on a Friday 13nth. Never occured to you that that complicated system of months with 30 days, 31 days and 29 days with 28 days in February had a purpose? Things could have been done in a more simple way, couldn't they?
In 1582 America was already discovered so they had planned to build their New World there and build the calendar in such a way that the 4th of July 1776 happened to be a 17 of Tamuz a day of sorrow for the Jewish People.
The only purpose of that Mayan legend was to increase the anxiety of people as they get into 2,012, change what the average opinion expects the average opinion to be and create a Market Crash: In one of the greatest investment markets in the world, namely, New York, the influence of speculation (in the above sense) is enormous. Even outside the field of finance, Americans are apt to be unduly interested in discovering what average opinion believes average opinion to be; and this national weakness finds its nemesis in the stock market. KO's Peace for NWO. estimates hence that there is no chance that they trigger the Crash before 2012. But things could change...
There are at least one Friday 13nth in a year, given the operation of the calendar. One and two are the most common cases. There are three Friday the 13nth year if and only if the first day of the year is a Thursday for a non-leap year and a Sunday for a leap year. next occurrence of that phenomenon will be in 2012 which is a leap year. In that year the Friday 13nth will occur on January, April and July. Overall, 13 of the month falls slightly more often on a Friday than any other day of the week. In fact, a Gregorian cycle lasts 400 years and 400 years = 146,097 days (146,000 days plus 97 days, corresponding to February 29). In 400 years, we have a number of weeks on: 146,097 / 7 = 20,871 weeks, where the end of a cycle Gregorian. However, in 400 years, there are 4,800 months, and 4,800 is not divisible by 7, certain days of the week will fall on 13 more often than the others by a calculation (eg computer), that day is Friday.
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KO's Peace for NWO. is a privately held reinsurance company whose purpose is to offer, for a very small premium, catastrophic financial reinsurance coverage including preemption of the economic and financial consequences of irrational exuberance now.
Our company will propose its insurance policy as soon as this one will appear evident to the general public and that there will be a sufficient market for our product. What practical man would now buy coverage against a potentially catastrophic, very low probability event?
As soon as that irrational exuberance will be evident to the general public I will make my commercial proposition in Fiat Lux Pacem and to our target audience. Much as we might wish otherwise, and by definition, predicting the timing of the burst of the asset price bubble and the end of irrational exuberance is mission impossible indeed.