The Times of India published a news report of calculation of Rama's birth date, using a software called Planetarium, by feeding the events given in Valmiki Ramayana. According to the report, Rama was born on Jan 10 5114 BC.
Here is the link:
http://timesofindia.indiatimes.com/cms.dll/html/uncomp/articleshow?msid=273107.
Right now, I do not want to comment on the news or the correctness/historicity of the dates. I admit my ignorance.
Anyway, it is not April as is being celebrated at Bhadrachalam, Andhra Pradesh.
In this respect, I draw my readers' attention to contents of my post #65 by clicking the following link or the label #65 on the sidebar.
http://ramayanayb.blogspot.com/search/label/%2365