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Dwadashi is especially suitable for the worship of the sacred Tulasi tree (Tulasi stava of srishti khanda of Padma Purana), much like Ekadashi is especially suitable for the worship of Vishnu. In fact, the Ekadashi fast is a three-day fast, starting on Dashami and concluding on Dwadashi. The saint poet Annamacharya died on Phalguna Bahula (Krishna) Dwadasi (12th day after full moon) in the year Dhundhubhi, on 4 April 1503 after living for 95 years.