Significance
Janmashtami celebrates the birth of Lord Krishna -- the eighth avatar of Vishnu -- on the eighth lunar day (Ashtami) of the dark fortnight of Bhadra. Krishna was born at midnight in a prison cell to Devaki and Vasudeva, and was immediately transported across the flooding Yamuna to safety in Gokul. His life represents the divine play (Lila) that dissolves all suffering. He is the master of all yogas -- Bhakti, Karma, Jnana, and Raja -- as revealed in the Bhagavad Gita. Celebrating his birth is an act of aligning one's soul with the eternal consciousness.
Preparation
Rituals & Vidhi
Day-long Fast
Observe a fast from dawn, consuming only fruits, milk, and water. The fast is broken only after midnight when Krishna is born.
Altar Decoration
Decorate the altar with a miniature Mathura setting -- a prison crib, flowers, diyas. Place the Bal Gopal idol in a cradle draped in fine cloth.
Midnight Abhishekam
At exactly midnight, perform Panchamrit abhishekam to the Bal Gopal idol, singing "Nand Ke Ghar Anand Bhayo." Ring bells and blow the conch.
Mantra: Om Kleem Krishnaya Namah
Cradle Ceremony
Rock the cradle gently and offer butter (makhan) and mishri to Krishna. Sing "Jai Jai Yashoda Ke Lal" and other bhajans.
Breaking the Fast
After the midnight puja, break the fast with panchamrit prasad and the Janmashtami bhog (a specially prepared sweet plate).
Fasting
Observe a fast on Ashtami tithi. Many devotees fast without grains. Fruits, milk, sabudana (sago), and sendha namak dishes are permitted. The fast is broken after midnight.
Family Guidance
Let children dress as Radha and Krishna. Set up a Dahi Handi (clay pot of curd) game where children try to break it -- re-enacting Krishna's famous butter-stealing. Tell the story of Krishna's birth and his childhood miracles.