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11. DEMONSTRATION OF THE SEXAGESIMAL NUMBER SYSTEM
A count of six for every 360 is equivalent to one for every 60. This is the basic counting principle behind the six Indian seasons.

Counting six days per year (see Table IV), the second mean motion of the Sun completes a cycle of 360, the number of degrees in a circle, after 60 years (the Babylonian sossos).

In the same interval the first mean motion (see Table IV) completes a count of 21600=36060, the number of minutes in a circle. A count of the nadis, 1/60ths of a day, in this interval for the first mean motion is 1296000, the number of seconds in a circle. A count of the nadis in this interval for the second mean motion is 21600, the number of minutes in a circle.

A count of the first mean motion of the Sun for 600 years (the Babylonian neros) is 216000 (see Table IV), the number of long syllables (gurvaksharas) in a day. A count of the second mean motion of the Sun for 600 years is 3600 (see Table IV), the number of vinadis in a day.

After 3600 years (the Babylonian saros), the first mean motion of the Sun has completed a count of 1296000 (see Table IV), the number of seconds in a circle, while the second mean motion of the Sun has completed 21600 (see Table IV), the number of minutes in a circle.


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