18 April 2013 is Vasant Durga Ashtami, Ashokashtami, Annapurna Puja, Basanti Puja. It falls on Shukla Ashtami in Chaitra Month. This is the eighth day of Vasant Navratri (Chaitra Navratri).
Vasant Durgashtami is celebrated as Annapurna Puja and Basanti Puja. Ashokashtami is celebrated in Odisha, Assam and Tripura on this day.
Bhavani Jayanti or Bhavani Astami is celebrated on Chaitra Astami day. Devotees believe that Goddess Bhavani was born or first appeared on this day. This is a major festival in Tuljapur Tulja Bhavani temple, Maharashtra.
Many devotees observe fasting on this day and offer special pujas to Goddess Durga. The next day of this would be observed as Sri Rama Navami.