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Anantha Subramanian

Software Admin, HCL Technologies

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How should birthday be calculated

Its been a fashion to celeberate "Born day" as our " Birthday " which is introduced by the english men which is not at all our birthday.

Science says that a day has 23 hours, 56 minutes, and 4.1 seconds and NOT 24 Hours and similarly a year has 365.25 days only and NOT 365 days which itself is wrong (both these are invented by Aryabatta an Indian ) Since we dont know the exact date in which the earth was formed and thereby we can't
predict when a year is completed but still we can say that this particular date is our " Birthday " with the help of science .

The zodiac according to science comprises of 360 degrees. There are 27 Nakshatras or constellations in it.

Therefore, the value of each constellation is 13 degrees and 20 minutes when measured from the fixed initial point. These 27 Nakshatras (stars) complete the entire circle of 360 degrees of the zodiac. A forecast based on the transit/ correlation/inter - relation of planets in relation to the Nakshatras is more accurate than the results predicted on the basis of any other system.

The term " Nakshatra " (sanskrit word) can be splitted accordingly " naks " means sky and "shetra" meaning region.Another translation is derived by using a different analysis , it says "Naksha" means Map and "tara" is Star and so " Nakshatra " is Star map . Both these meaning clearly bring out the significance of the 27 Nakshatras or constellations . since ancient times moon were used for calculating time and connecting to the stars. Nakshatras is the name given to the constellations or mansions of the moon, as moon resides in each of the constellations for one day and hence that day is considered as your Birthday.
For example if a person is born on December 25 means we need to note the "Nakshatra" and suppose if he is born under "Ashwini " nakshatra means therby whenever the month december follows in a year the day in which "Ashwini" nakshatra falls in that month will be considered as birthday,since that one year will be complete


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  • Jun 20 2012: The Gregorian Calendar is actually slightly more complex than what most people think. To account for the fact that a year is not exactly 365.25 days (and is 365.2425 days) we skip a leap year three out of every four centennials. The year 1900 was not a leap year and the year 2100 and 2200 will not be a leap year, but 2000 was. This amounts to 97 leap years in a 400 year span, and if you do the math ((97*366)+(303*365)) = 365.2425 or 365 days 5 hours 49 minutes 12 seconds.

    Also note that a mean solar second is slightly different from an SI second. Leap seconds account for this difference.

    Adding that knowledge to your pool, I'll let you decide which system you think is better.
    • Jun 29 2012: Robert

      wat u said is i accept .. this is according to Gregorian Calendar .. and i here my topic is regarding on the calculation of the birthday .. but i dont see anything similar to my conversation .. it is pretty confusing .. can u pls send me some link on this so that i can learn more .. Thank you

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