दशम्येकादशीविद्धा द्वादशी च क्षयं गता । नक्तं तत्र प्रकुर्वीत नोपवासो विधीयते
daśamyekādaśīviddhā dvādaśī ca kṣayaṃ gatā | naktaṃ tatra prakurvīta nopavāso vidhīyate
เมื่อวันเอกาทศีถูกวันทศมีแทรก (วิดธะ) และวันทวาทศีสูญไปด้วยกษยะ ก็พึงถือเพียงการฉันยามค่ำ (นักตะ) ณ ที่นั้น; มิได้บัญญัติให้อดอาหารเต็มวัน
Skanda (deduced)
Tirtha: Prabhāsa-kṣetra
Type: kshetra
Scene: A scholar-priest with a pañcāṅga points to overlapping tithi bars labeled Daśamī/Ekādaśī and a missing Dvādaśī; a devotee prepares a simple night meal (fruit/milk) beside a lamp, indicating nakta instead of full fast.
Dharma depends on correct timing; when tithis are defective, scripture adjusts the observance rather than forcing an improper fast.
Prabhāsa-kṣetra, where detailed dharma-vidhi for vows is taught as part of the kṣetra’s sanctity.
If Ekādaśī is daśamī-viddhā and Dvādaśī is lost (kṣaya), perform nakta (eat once at night); do not undertake a full upavāsa.