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Beginning of Kaliyuga
The SuryaSiddhanta based data declare that the Kaliyuga started on the new moon day (Amavasya/Pratipat) when sun was 5 degrees away from vernal equinox (Ref 2). This date has been estimated as February 18, 3102 BCJ. There is also a suggestion that there was a solar eclipse at Ujjain. The picture below shows the view and sun and moon at that time.
The Lodestar pro view of sky on that day shows that there was no eclipse at Ujjain (75 deg 47 min E and 25 deg 15 min N) at Amavasya, but sun was 54 degrees away from vernal equinox. (3 hours 36 minutes from equinox- @15 deg/hour this works out to exactly 54 degrees).
http://www.vedicastronomy.net/mb_kuruxethra.htm
Beginning of Kaliyuga
The SuryaSiddhanta based data declare that the Kaliyuga started on the new moon day (Amavasya/Pratipat) when sun was 5 degrees away from vernal equinox (Ref 2). This date has been estimated as February 18, 3102 BCJ. There is also a suggestion that there was a solar eclipse at Ujjain. The picture below shows the view and sun and moon at that time.
The Lodestar pro view of sky on that day shows that there was no eclipse at Ujjain (75 deg 47 min E and 25 deg 15 min N) at Amavasya, but sun was 54 degrees away from vernal equinox. (3 hours 36 minutes from equinox- @15 deg/hour this works out to exactly 54 degrees).
http://www.vedicastronomy.net/mb_kuruxethra.htm