Hanuman Jayanti | Ayodhya

Hanuman Jayanti 2015 date based on Hindu Calendar - India Standard Time. Hanuman Jayanthi is the birthday of Lord Hanuman and it is observed on the full moon (Purnima) day in the Hindu month of Chaitra (March – April) as per traditional lunar Hindu calendar. In 2015, the date of Hanuman Jayanthi is April 4. Lord Hanuman is also known as Bajrang Bali and Anjaneya and is one of the most popular gods in Hinduism. He is a Chiranjeevi – one blessed with immortality.

Hanuman Jayanti observed during Different dates in a year

In Andhra Pradesh, Hanumant Jayanti is observed after a41-day Deeksha which begins on Chaitra Purnima. Hanuman Jayanti in Telangana and Andhra Pradesh in 2015 is on May 13, 2015. (Read more about Hanuman Jayanti in Andhra Pradesh and Telangana here.)

In Tamil Nadu, Hanuman Jayanti is observed during the Margazhi month (December – January) (January 9, 2016).Read more about it here in this article.

In Karnataka - Another popular day dedicated to Hanuman is the Hanumantha Vrata observed in Margashirsh month (November - December) in Karnataka and parts of Andhra Pradesh and Telagnana. This is on December 23, 2015

In Orissa, Hanuman Jayanti is observed during Vishubha Sankranti (April 15).

Hanuman Jayanti is also observed some communities during Diwali (November 10, 2015). This is observed on the previous day of Diwali. 

Special prayers and pujas dedicated to Lord Hanuman are performed a day before Diwali in North India and Gujarat. In 2015, the date of Hanuman Puja during Diwali is on November 10. This day is popularly known as Narak Chaturdashi or Kali Chaudash and Roop Chaturdashi or Chaudash. In several regions, the day before Diwali is believed to the birthday of Bajrang Bali Hanuman.

Source: http://www.hindu-blog.com/2009/03/hanuman-jayanthi-2009.html 

in Ayodhya - Faizabad (U.P) its Celebrate Before one Day Diwali.
its Chhoti Diwali as well as Hanuman Jayanti Lord Hanuman Birthday.
and its celebrates huge level and great manner at Hanuman Garhi Ayodhya.

मनोकामना पूर्ण करते हैं रसिक हनुमान | Hanuman Baagh Ayodhya

अयोध्या: रामनगरी में रामदूत की अनेक प्रतिष्ठित पीठ हैं, इनमें वासुदेवघाट स्थित प्रसिद्ध पीठ हनुमानबाग में विराजे हनुमान जी भी हैं। उत्तराभिमुख हनुमान जी को मनोकामना पूर्ण करने वाला माना जाता है और यहां के हनुमान जी का नाम है रसिक हनुमान। यानी मानवीय आकांक्षाओं एवं भावनाओं के विभिन्न रसों का प्रतिनिधित्व करने वाले आराध्य। यह नाम हनुमान जी की छवि से मेल भी खाती है। 
Source: http://www.jagran.com/uttar-pradesh/faizabad-13147677.html