Arka Shashti Vrata is observed on the sixth day in bright half (Shukla Paksha) of Chaitra Month. In 2016, Arka Shashti date is April 12.
As the name indicates ‘Arka Tree’ (botanical name: Calotropis procera), this auspicious belongs to Calotropis. Lord Surya Bhagan is offered Shodashopachar Pooja with Arka leaves.
Arka Sashti is also associated with Lord Surya Deva. This vrata is also celebrated as Neel Sashti Vrat. The marriage ceremony of Lord Shiva and Goddess Parvati is celebrated on this day in Bengal.
Arka Sashti is also known as Ashoka Sashti, Kumara Sashti & Skanda Damana Puja (Skanda Damanaropana Puja).