Scientific Secrets of Jainism

Author(s): Nandighoshvijay
Publisher: Research Institute of Scientific Secrets from Indian Oriental Scriptures Ahmedabad

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tithis in a month, one should abstain from sinful activities and from eating what possesses life."
What is the reason, why six parva-tithis are mentioned of a month and five parva-tithis are mentioned of a fortnight here, is not explained. But in the Śrāddhadinakṛtya Sūtra written by Acarya Sri Dēvēndrasūriji Mahārāja and in the vrtti writeen by him, there is a contex of six parva-tithis of a month as under :
Scientific Secrets of Jainism
मूलम् छण्हं तिहीण मज्झम्मि का तिही अज्ज वासरे ? किं वा कल्लाणगं अज्ज लोगनाहाण संतियं
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स्वोपज्ञवृत्ति मासाभ्यन्तर इति गम्यते षण्णां तिथीनां सितेतराष्टमी- चतुर्दशी- पूर्णिमाऽमावास्या लक्षणानां मध्ये का तिथिरद्यवासरे ?
( श्राद्धदिनकृत्यसूत्रम् स्वोपज्ञवृत्तिविभूषितम्
ग्रन्थकाराः श्रीदेवेन्द्रसूरयः )
mūlam- chanham tihiņa majjhammi kā tihi ajja vāsarë ? kim vā kallāṇagam ajja lōganāhāņa santiyam ..21..
svōpajñavṛtti - māsābhyantara iti gamyatē. sannām tithinām sitētarāṣṭamicaturdaśi-pūrṇimā'māvāsyā lakṣaṇānām madhyē kā tithiradyavāsarē ?
( Śrāddhadinakṛtyasūtram by śri Dēvēndrasūriji )
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"Of the six parva tithis, the eighth days of the bright half and the dark half, the forteenth days of the bright half and the dark half and fifteenth days of the bright half and dark half, which parva-tithi is today ?""
Here, the fifth days of the bright half and the dark half of the month are not considered in the six parva-tithis of the month. There is no clarification regarding the five parva-tithis of each fortnight. Still however, the second, the fifth, the eighth, the eleventh and the forteenth day are perhaps included in the five parva-tithis of a each fortnight. The full moon and the new moon day following the forteenth day of each half of the month succesively without interruption and for that reason they perhaps not regaded as parvatithis.
Since fresh vegetables (greens) possess life, one should abstain from the use of greens even as one's own food in order to avoid the himsā (violence) of greens and other moving organisms living under their shelter.
It needs to be made clear here that it is not absolutely compulsory that all