Hanuman Jayanthi is celebrated in Andhra Pradesh on the Dasami or tenth day during the Krishna Paksha (waning phase of the moon) of Vaishakha month in the Telugu traditional Hindu calendar. In 2015, the date of Hanuman Jayanthi in Andhra Pradesh is May 13. Also known as Hanumantha Jayanti, it marks the end of 41-day Hanuman Deeksha which began on Chaitra Purnima. Hanumanth Jayanti is observed in a unique way by Telugu devotees by visiting important temples dedicated Lord Hanuman.
Apart from conducting prayers and pujas, people also undertake pilgrimages during the 41-day Deeksha period (which began on Chaitra Purnima - April 4, 2015).
Aku Pooja and other special rituals are performed by devotees on the occasion at the Sri Lakshmi Narasimha Swamy hill shrine in Yadagirigutta. Those who embraced Hanuman deeksha visit the hill shrine offer special prayers to Lord Hanuman, who is the ‘Kshetra Palaka' of the hill shrine. ‘Laksha pathra pooja' and other devotional programs are held on the day.
Devotees chant or listen to Hanuman Chalisa and Hanuman Ashtak on the day. Some people read the Sundara Kandam.
Hanuman Jayanthi is observed during Chaitra Purnima in
North India. In Tamil
Nadu, Hanuman Jayanti is observed during Margazhi
month (December – January).