Happy Hanuman Jayanti 2021! Hanuman Jayanti celebrates the birth of Lord Hanuman. According to the Hindu calendar, Hanuman Jayanti is observed during the month of Chaitra on full moon day, which falls during the month of April. On Hanuman Jayanti 2021 you can send these wishes and messages to greet 'Hanuman Jayanti' along with Facebook Greetings, Quotes, SMS, and messages.1