Chandika Navami is observed on Krishna Paksha Navami in Chaitra month as per Marathi, Gujarati, Kannada, and Telugu calendars. In 2017, Chandika Navami date is April 20.
It is also observed in Bhadrapad month as per some other calendars. Chandika Devi or Maa Chandi is believed as the divine combination of Mahakali, Mahalakshmi, and Maha Saraswati. She is also shown as Astadasa bhuja Mahalakshmi (Goddess Maha Lakshmi with eighteen arms).
Goddess Chandi is also featured in many Holy Scriptures including Devi Mahatmyam or Durga Saptashati or Chandi Path.
Chandi Maa is worshipped as three stones in Vaishnodevi Temple of Katra in Jammu and Kashmir.
In 2016, Chandika Navami date was May 1.
In 2015, Chandika Navami date was April 13.
In 2014, Chandika Navami date was April 23.
In 2013, Chandika Navami date was May 3.
Chandika Navami 2012 date was April 14.