Today, 25 April 2013 is Hanuman Jayanti (Hanumath Vijayotsavam). In Maharashtra, some parts of Andhra Pradesh and Karnataka celebrate Chaitra Purnima as Hanuman Jayanti. But in some places it is celebrated as Hanumath Vijayotsavam.
Hanuman Puja, Hanuman Homam, Havanam, Hanuman Sindhura Puja, etc are the famous rituals observed on Hanuman Jayanti festival.
Hanuman Shobha Yatra (Veera Hanuman Vijaya Yatra) is another popular procession is taken out on Hanuman Jayanti in many places such as Hyderabad, Nagpur, Nizamabad, Pune, Mumbai, Solapur, etc.
This year, Lunar eclipse is also taking place on Chaitra Purnima.