Jai Sri Ram!
Vimsottara Dasa System is one of the systems mentioned in Brihat Parasara Hora Sasatra for timing the events in a person’s life.
We start with the elapsed and remaining part of the Janmanakshatra. In the case of Sri Rama, the moon was in the last pada of Punarvasu. See : Date of Sri Rama’s birth as per Balakanda.
This means that 0 to 25% of the Guru Dasa was remaining, ie 0 to 4 years.
First Iteration : Let us initially assume that 4 years were remaining.
Also let us calculate for 120 years .. instead of for 100s of thousands of years as described by Valmiki.
Guru Dasa Sesham : 4 years
Sani Dasa Duration : 19 years. Age at exit : 23 years. (Exile During this period, when Rama was 16 years old (as per balakanda)
Budha Dasa Duration ; 17 years. Age at exit : 40 years. (Return and Coronation during this period, when Rama was 30 years old: 16 + 14 = 30)
Kethu Dasa Duration : 7 years : Age at exit : 47 years. (Sita’s )
Sukra Dasa Duration : 20 years : Age at exit : 67 years.
Ravi Dasa Duration ; 6 years : : Age at exit : 73 years.
Chandra Dasa Duration ; 10 years : : Age at exit : 83 years.
Kuja Dasa Duration ; 7 years : : Age at exit : 90 years.
Rahu Dasa Duration ; 18 years : : Age at exit : 108 years.
Guru Dasa Duration ; 12 years : : Age at exit : 120 years.
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