Indian Science and Technology in the Eighteenth Century: Some Contemporary European Accounts c9.16
Indian Science and Technology in the Eighteenth Century: Some Contemporary European Accounts c9.16
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c9.16
10. The epoch of the tables of Siam does not go back to any very remote period. M. Cassini, by an ingenious analysis of their rules, finds that it corresponds to the 21st of March, in the year 638 of our era, at 3 in the morning, on the meridian of Siam.⁸ This was the instant at which the astronomical year began, and at which both the sun and moon entered the moveable Zodiac.