date changes every year, depending on the movements of the planets.2009 dateSeptember 19Celebrations9 days Navratri ( Tamil : நவராத்திரி, Malayalam : നവരാത്രി, Marathi : नवरात्रि, Bengali : নবরাত্রি, Sanskrit : नवरात्रि, Kannada :ನವರಾತ್ರಿ) is a Hindu festival of worship and dance. The word Navaratri literally means nine nights in Sanskrit; Nava