Answer

In Jain tradition, Mahavir Jayanti and Mahavir Janma Vanchan are different observances.

• 31st March refers to Mahavir Jayanti, the celebration of Bhagwan Mahavir’s birth.
• 12th September likely refers to Mahavir Janma Vanchan, which is observed during Paryushan, especially in the Shvetambar tradition.

Explanation

Mahavir Jayanti is celebrated on Chaitra Sud Teras, the 13th day of the bright half of the month of Chaitra. It marks the actual birth anniversary of Bhagwan Mahavir according to the Jain calendar.

Mahavir Janma Vanchan happens during Paryushan. On this day, the account of Bhagwan Mahavir’s birth is ceremonially read from the Kalpa Sutra. This is not the actual birthday date, but a sacred remembrance and devotional reading of his birth story during Paryushan.

Spiritual Understanding

Both days honor Bhagwan Mahavir, but in different ways:

• Mahavir Jayanti celebrates his birth and divine life.
• Mahavir Janma Vanchan inspires devotees through the scriptural narration of his birth during a time of repentance, self-discipline, and spiritual reflection.

Takeaway

The simple difference is: Mahavir Jayanti is the birth anniversary, while Mahavir Janma Vanchan is the sacred reading of Bhagwan Mahavir’s birth story during Paryushan.