Astronomical dating of ramayana
There are two equinoxes during the calender year: the spring equinox and the vernal equinox and are days when the light of the Sun will spend a nearly equal amount of time above and below the horizon at every location on Earth and night and day will be of the same length.
According to him, Krishna was born on July 21, 3228 BC and died at 2 pm on February 18, 3102 BC.
Various other western authors have made a study of the culture and history of the Ramayana, such as Philip Lutgendorf in his book Ramas Story in Shivas City, California University; Joe Burkhalter Flueckiger and Laurie Sears in The Boundaries of Traditional Ramayana and Mahabharata Performances in South and Southeast Asia, University of Michigan, Ann Arbor; W. Smith on Ramayan Traditions in Eastern India, University of Stockholm, and others.
There are also numerous places that are indicated as the locations where various events happened in reference to the pastimes of Lord Rama and Sita. I have personally visited many of these places, such as Ramesvaram, Nasik, Hampi, and others where there are particular locations and sites that are related to the events that took place in the life and adventures of Lord Rama.
In terms of people from earth observing the stars, it looks like the constellations of the zodiac move counter-cyclical to the earth's motion around the sun.
This journey over 25,765 years covers the 12 constellations of the sky with the sun rising on the vernal equinox in the same zodiac for approximately 2,150 years in each constellation.The one in March 20 is considered the spring equinox and the September equinox is the vernal equinox.