The Management of Thiruvannamalai Arunachaleeswarar Temple has recommended the ideal time to undertake `Girivalam` during the ensuing `Pournami` (Full Moon Day). Ensuing Pournami (Full Moon Day) occurs on 27th September ( Sunday) starting from 11.35 AM till 9.09 AM on 28th September (Monday). This is the ideal period to undertake `Girivalam`.