In the beginning

4004 BCE. … God created the heaven and the earth. At least that’s the conclusion of James Ussher, Archbishop of Armagh, in 1650. Ussher’s method – counting backward from the genealogies of Biblical characters – was quite precise. Others using the same method got very similar dates. Newton, for example, calculated 4000 BCE for Genesis 1:1. Kepler came up with 3992 BCE. However precision is not the same as accuracy. Ussher’s figure missed the correct date for the Big Bang by a factor of 2.4 million.

Traditional Indian thinkers got closer. According to the Law of Manu, different orders of beings have different natural time scales. For humans, the natural scale is given by the alternation between day and night. For the ancestors, one ancestral day-and-night equals one human month. For the gods, one divine day-and-night equals one human year. For Brahma, one Brahmanical day-and-night is a pair of kalpas, where a kalpa equals 1000 Great Ages (mahayugas) of the gods. A Great Age of the gods equals 12,000 divine years, which also equals four human Ages (of different lengths). A divine year equals 360 human years. So a kalpa comes to 4.32 billion (human) years,* very close to the true age of the Earth. A pair of kalpas misses the date for the Big Bang by a factor of just 1.6.

Further calculations show that a Great Age lasts 4.32 million years. We’re now most of the way through the present Great Age. At the beginning of a Great Age, Righteousness and Truth walk on four legs, but they have progressively fewer legs to stand on as the Great Age rolls along and everything goes to pot. So maybe the message is that the whole bipedalism thing hasn’t been such a great idea; we’ve got another 426,884 years (by one reckoning) of things going downhill until the next Great Age begins.

Nonetheless, in honor of Ussher, from here on dates will be given as BCE / CE, rather than “years ago.”

* Or 30.24 billion dog years.

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