It is said and believed that remembering and uttering these 12 names of Hanuman Ji (Lord Hanuman‘s 12 names) a devotee can achieve brevity, clarity of thinking, and blessings of Lord Hanuman even when in distress and danger.
These twelve holy names of Lord Hanuman are as follows: Om Shri Hanuman, Anjani Sunu, Bayu-putra, Maha-Bala, Rameshta, Falguna-Sakha, Pingaksha, Amit-Vikrama, Udadhi Kraman, Sita Shok Binasana, Lakshman Pranadata, and Dasagreevasya Darpaha.
How are the 12 names of Hanuman ji praised in verse? (sloka/mantra/verse/stuti)
12 names of Lord Hanuman are praised in verse form as follows:
रामेष्ट: फाल्गुनसख: पिङ्गाक्षोऽमितविक्रम:।।
लक्ष्मणप्राणदाता च दशग्रीवस्य दर्पहा।।
एवं द्वादश नामानि कपीन्द्रस्य महात्मन:।
स्वापकाले प्रबोधे च यात्राकाले च य: पठेत्।।
तस्य सर्वभयं नास्ति रणे च विजयी भेवत्।
राजद्वारे गह्वरे च भयं नास्ति कदाचन।।
Hanuman Anjani Sunu Bayu-putra Maha-Bala, Rameshta Falguna-Sakha Pingaksha Amit-Vikrama,
Udadhi Kramanaschaiba Sita-Shok-Binasana,
Lakshman Pranadata cho Dasagreevasya Darpaha.
Ebong dwadas namani Kapindrasya Mahatmana,
Swapkaale Prbodhe cho yatra-kaale cho jo pothet,
Tasya Sarba Bhayong Nasti Rone cho Bijoyee Bhobet,
Rajdware Gahabore cho Bhoyong nasti kodachono
In this praise twelve names of Lord Hanuman are mentioned. This praise is given in Anand Ramayana. This is said to be a very miraculous eulogy and it is also believed that if a person chants this eulogy regularly, all his troubles go away. If you do not want to chant this verse, then all twelve names can be chanted in simple language. (as given in the first paragraph).
When to chant the names of Bajrangballi or Hanuman?
स्वापकाले प्रबोधे च यात्राकाले – This means this praise of Lord Hanuman by chanting his holy and powerful 12 names is suggested to practise at night, in the morning and during a journey (or while starting for a journey).