Maha Ashtami / Durga Ashtami
दुर्गाष्टमी (महाष्टमी / सन्धिपूजा)
Presiding deityGoddess Mahagauri & Chamunda Durga
Significance & Spiritual Essence
Sacred 8th day of Sharada Navaratri celebrating Goddess Mahagauri and Chamunda slaying Chanda and Munda; grand Sandhi Puja conducted during the transition between Ashtami and Navami.
Dharmaśāstra Astronomical Determination (Nirṇaya)
Authentic Classical RuleScriptural Injunction:
“Observed on Ashvina Shukla Ashtami. Sandhi Puja is performed in the 48-minute window (last 24 mins of Ashtami and first 24 mins of Navami).”
No classical authority is recorded for this determination in our catalogue.
Kāla Vyāpti Principle: Vedic festivals are not determined solely by Gregorian dates or standard civil calendar days — the tithi or nakshatra must prevail during its designated Kāla (time portion of the solar day).
For Maha Ashtami / Durga Ashtami, worship and vrata rituals are specifically anchored to the Pratah window.
Vrata Discipline & Fasting Injunctions (Niyama)
Consumption restricted to fruits, milk, nuts, and sacred vrat roots.
सर्वमङ्गलमाङ्गल्ये शिवे सर्वार्थसाधिके । शरण्ये त्र्यम्बके गौरि नारायणि नमोऽस्तु ते ॥
Auspicious Dāna (Charity & Offerings)
Dāna given on sacred tithis yields multi-fold spiritual merit (Punya):
Ritual & Calculation Tools
Classical Authorities
- Devi Mahatmyam
- Kalika Purana
- Nirṇaya Sindhu