Navratri is a festival dedicated to the worship of a Hindu deity Shakti. The word Navaratri literally means nine nights in Sanskrit, nava meaning nine and ratri meaning nights. During these nine nights and ten days, nine forms of Shakti/Devi are worshiped.
Navarathri is celebrated five times a year. They are Vasanta Navaratri, Ashadha Navaratri, the Sharada Navaratri, and the Paush/Magha Navaratri. Of these, the Sharada Navaratri of the month of Puratashi and the Vasanta Navaratri of the Vasanta kala are very important.
1. Vasanta Navaratri: Basanta Navaratri, also known as Vasant Navaratri, is the festival of nine days dedicated to the nine forms of Shakti (Mother Goddess) in the spring season (March–April). It is also known as Chaitra Navaratri. The nine days of festival is also known as Raama Navratri.
2. Gupta Navaratri: Gupta Navaratri, also referred as Ashadha or Gayatri or Shakambhari Navaratri, is nine days dedicated to the nine forms of Shakti (Mother Goddess) in the month of Ashadha (June–July). Gupta Navaratri is observed during the Ashadha Shukla Paksha (waxing phase of moon).
3. Sharada Navaratri: This is the most important of the Navaratris. It is simply called Maha Navaratri (the Great Navratri) and is celebrated in the month of Ashvina. Also known as Sharad Navaratri, as it is celebrated during Sharad (beginning of winter, September–October).
4. Paush Navaratri: Paush Navaratri is nine days dedicated to the nine forms of Shakti (Mother Goddess) in the month of Paush (December–January). Paush Navaratri is observed during the Paush Shukla Paksha (waxing phase of moon).
5. Magha Navaratri: Magha Navaratri, also referred as Gupta Navaratri, is nine days dedicated to the nine forms of Shakti (Mother Goddess) in the month of Magha (January–February). Magha Navaratri is observed during the Magha Shukla Paksha (waxing phase of moon).