Answer

Bhagwan Mahavir’s birth day is celebrated as Mahavir Janma Kalyanak, also commonly called Mahavir Jayanti.

It falls on the 13th day of the bright half of Chaitra month — Chaitra Sud Teras according to the Jain calendar.

Explanation

Bhagwan Mahavir was the 24th Tirthankar of the present time cycle. His birth took place in Kundalpur / Kshatriyakund, near Vaishali, in the royal family of King Siddharth and Queen Trishala.

His birth is one of the five Kalyanaks of a Tirthankar:

• Chyavan Kalyanak
• Janma Kalyanak
• Diksha Kalyanak
• Kevalgyan Kalyanak
• Nirvana Kalyanak

Spiritual Understanding

Mahavir Janma Kalyanak is not only a celebration of birth. It is a reminder of Bhagwan Mahavir’s teachings of:

• Ahimsa — non-violence
• Satya — truth
• Achaurya — non-stealing
• Brahmacharya — celibacy / purity
• Aparigraha — non-possessiveness

Takeaway

Bhagwan Mahavir’s birthday is celebrated on Chaitra Sud Teras as Mahavir Janma Kalyanak, inspiring devotees to live with compassion, self-control, and spiritual awareness.