Part 4 of my paper on Siddhantic concept of Precession proposes the shape of the path taken by the Sun as the determinant of precession and the Band of Tropical limits in the two hemispheres. Copy can be had at https://www.magzter.com/IN/The-Astrological-eMagazine/The-Astrological-eMagazine/Science/593541

My Blog on this
http://jayasreesaranathan.blogspot.com/2021/02/suns-movement-determinant-of-precession.html
+

Solstices are moving towards north @15 mt/yr or 1 km in 66.66 yrs which is the same time in which the equinox crosses 1 deg as per S.Siddhanta.
This is surprising becos the earth’s axis doesn’t tilt & earth maintains same angle of tilt with the sun.
Then what causes this shift? +

Presently Tropic of cancer passes through Karkoteswar temple in Ujjain. A compilation of all the inputs on the location of the tropic of cancer in the past given as "Jambu Marga" in Mbh shows there is a minimum of 3 solstitial bands (current, further north in Rama’s time and +

further south in Skanda’s time) justifying 'Yuga of Ayana' of Munjala! There are 2 Yugas of Ayana moving within Jambu Marga comprising of 6 rounds of 7200 years each. Glaciation and de-glaciation had alternated due to the change in the inclination of the sun or the solar system+

or the yet to be discovered X factor leaving an imprint by means of the solstice shadow on the earth that our ancestors had so meticulously watched over many rounds of cycles of the equinox. For details, https://www.magzter.com/IN/The-Astrological-eMagazine/The-Astrological-eMagazine/Science/593541
@playr