Vamana Dwadasi Vrat is an auspicious vrata dedicated to Vaman deva (Lord Vishnu’s dwarf incarnation, 5th incarnation of Sri Hari). In 2012, Vamana Dwadasi date is April 4.
Vamana Dwadasi is observed on 12th day in Shukla Paksha of Chaitra Month. It is also observed in Ashad month in some parts of India.
Lord Vamana (Sri Hari Vishnu) is worshipped with Shodashopachar Puja (16 steps of Hindu Puja). Other meritorious vrata dedicated to Vamana is Vamana Jayanti.