Jyotish Siddhant Sangraha

The provided text is a catalog of books published or preserved by the Shri Ashapuran Parshwanath Jain Gyana Bhandar. The core of the document is a list of books, primarily in Sanskrit and Prakrit, that have been digitized and made available on DVD or for download, as part of a project called "Aho Shrutgyanam – Granth Jirnodhar" (Restoration of important scriptures).

Here's a breakdown of the key aspects:

• Book Title: The main focus of the catalog is the book "Jyotish Siddhant Sangraha" (Collection of Astronomical Principles), authored by Vishweshwarprasad Dwivedi and published by Brajbhushan Das and Company.
• Publishing Information: The catalog lists contact details for Shri Ashapuran Parshwanath Jain Gyana Bhandar in Ahmedabad, including phone numbers and email. It also mentions the years of the restoration project (Savant 2065-2068, corresponding to 2009-2012 CE).
• Granth Jirnodhar Project: This project aims to preserve and make accessible rare and ancient Jain scriptures by scanning them and creating DVDs. The availability of these digitized works on a website is also mentioned.
• Extensive Book List: The catalog extends beyond the Jyotish Siddhant Sangraha to list a vast array of Jain and related texts. These include:
  • Agamas and Commentaries: Sutras like Nandi Sutra and Uttaradhyayana Sutra with their commentaries.
  • Shilpa Shastra and Vastu Shastra: Numerous texts related to architecture, sculpture, and town planning (e.g., Shilpa Ratna, Prasad Tilak, Vastu Sar, Prasad Mandan).
  • Jain Philosophy and Logic: Works on Jaina philosophy, logic (Nyaya), and epistemology (e.g., Syadvad Ratnakar, Sanmati Tark Prakaran, Nyayaratnakar).
  • Grammar and Linguistics: Texts on Prakrit and Sanskrit grammar.
  • Literature and Poetry: Mahakavyas and other literary works.
  • History and Inscriptions: Jain historical writings and collections of inscriptions.
  • Music and Arts: Texts related to Jain music and arts.
  • Ayurveda: Texts on traditional Indian medicine.
  • Jyotisha (Astronomy/Astrology): As indicated by the title, a significant portion of the catalog comprises works on Jyotisha, including specific Siddhantas (systems) like Soma Siddhanta, Brahma Siddhanta, Pitāmaha Siddhanta, and Vriddha Vasishtha Siddhanta.
• Authors and Editors: For each listed book, the author(s), commentator(s), and editor(s) are provided, showcasing a rich scholarly tradition.
• Catalog Structure: The books are organized into sets, likely representing different phases of the Jirnodhar project (Set No. 1 to Set No. 4).
• Jyotish Siddhant Sangraha Content: The latter part of the provided text (starting from Page 9 and continuing through Page 78) specifically details the content of the Jyotish Siddhant Sangraha. This section appears to be the actual text of the book, divided into chapters. Based on the Sanskrit headings and content, it seems to cover:
  • Introduction/Preface: Setting the context of astronomical knowledge.
  • Soma Siddhanta, Brahma Siddhanta, Pitāmaha Siddhanta, Vriddha Vasishtha Siddhanta: These are specific schools of Indian astronomical thought, detailing calculations related to planetary movements, celestial cycles, timekeeping, eclipses, and cosmology.
  • Madhyama Adhikara: Chapters likely dealing with mean planetary positions.
  • Spashta Adhikara: Chapters likely dealing with true or apparent planetary positions.
  • Chhaya Prakarana: Chapters on gnomonics (shadow calculations).
  • Lagna Prakarana: Chapters on ascendant calculations.
  • Graha Yuddha and Samagama: Chapters on planetary conjunctions and conflicts.
  • Graha Udayasta: Chapters on planetary risings and settings.
  • Shringonnatyadhikara: Chapters likely on apparent positions or phases.
  • Vyathipata and Vaidhruti: Chapters on specific astronomical/astrological phenomena.
  • Goladhayaya: Chapters on cosmology and celestial spheres.
  • Tarkalankara: Chapters on specific calculations or units of time.
  • Gola Adhyaya: Chapters discussing celestial spheres and their mechanics.

In essence, the catalog highlights the comprehensive effort to preserve and disseminate ancient Jain knowledge, with a particular emphasis on astronomical sciences, as exemplified by the Jyotish Siddhant Sangraha and the associated Siddhantas. The detailed listing of numerous other Jain texts underscores the Bhandar's commitment to safeguarding the vast literary heritage of Jainism.