Atri's Solar Eclipse

We assume that Atri’ Rishi lived at latitude of 25 deg N near Chitrakoot, in present day Uttar Pradesh and Madhya Pradesh province border in India. Location of Chitrakoot is shown in figure above. Association of Chitrakoot to Rishi Atri is made, based on local history of Chitrakoot, and reference to Atri in epic Ramayana by Valmiki. Further we assume that the ability of the people to identify Autumnal equinox was good and the error of estimate would be no more than half a day. We restrict our search of the solar eclipse to period older than 1000 BC, since no scholar has ever put the Vedas later than 1000 BC. We have made a search of all solar eclipses of sizable magnitude at latitude of 25 deg N and all longitudes of the earth covering 360 degrees, when sun was between 2 to 4 days from the autumnal equinox. A total of 13 eclipses have been found during the time period 1000 BC to 5000 BC, that occur about 2-4 days before autumnal equinox at a latitude of 25 deg N

Note that the equinox day is shifting continuously because of Earths precession over the period of 4000 years

The figure shows location of all solar eclipses (@25 N latitude), which occur about 3 days before autumnal equinox all around the world (during 1000BC to 5000BC) using Annala’s Delta T model. By accounting for angular difference between apparent eclipse location and Chitrakoot, we can adjust the delta T so that all eclipses occur at Chitrakoot. The plot below shows the delta T required for eclipses to occur at Chitrakoot, and superimposes the same on various delta T models currently in literature. It also shows Irish megalith eclipse, and some ‘Historical eclipses’ by Espenak.