Garbha maas ya Garbha Kalyanak Jain dharm mein Tirthankar ke conception (garbh) se judi pehli mahotsav hota hai. Iska matlab hai ki Tirthankar ki atma kisi pichhle janam se gujar kar Maa ke garbh mein utarti hai, yani janm se pehle ki daur ka arambh.

• Garbha Kalyanak (Conception) - Yeh Kalyanak hota hai jab Tirthankar ki atma maa ke garbh mein aati hai. Is din ya is karyakarni ki anumati par bhaktilo ki pooja ki jaati hai.
• Janma Kalyanak (Birth) - Iske baad janam ki tithi aati hai, jise log shraddha se manate hain.
• Diksha Kalyanak (Renunciation) - Baad ki kriya, jab Tirthankar ne worldly scrupulo ko tyag kar monk/nun bana.
• Kevaljna Kalyanak (Omniscience) aur Nirvan Kalyanak (Moksha) kabhi bhi alag samay par hote hain.

Digambar aur Shvetambar dono iske mahatva ko maante hain, lekin kuch details ya tithiyon ki ganana mein dono paramparaon mein thodi alag vyakhya hoti hai. Kul milakar Garbha Kalyanak Tirthankar ke jeevan ke prarambh ka pavitra avsar mana jata hai.

Note: Jain dharma mein garbh maas ki tarah “Chaturmas/Chaturmasik” jaisi ochchh parikrama ya vrata ki riwaz alag tarah se hota hai, lekin garbha kalyanak ka concept Tirthankar ke conception se hi juda hai, na ki monsoon ke dauran ki pratha se.

Agar aap chahen, main aapke liye is vishay par Shvetambar aur Digambar dono ki asli arthik vyakhya (arth) ko spasht roop se compare karke likh sakta hoon.