Narada Purana — Purva Bhaga, Shloka 129
Jyotiṣa-śāstra Saṅgraha: Threefold Division, Gaṇita Methods, Muhūrta, and Planetary Reckoning
तन्मध्ये स्थापयेच्छंकुं कल्पना द्द्वादशांगुलम् । तच्छायाग्रं स्पृशेद्यत्र दत्तं पूर्वापराह्णयोः ॥ १२९ ॥
tanmadhye sthāpayecchaṃkuṃ kalpanā ddvādaśāṃgulam | tacchāyāgraṃ spṛśedyatra dattaṃ pūrvāparāhṇayoḥ || 129 ||
No meio desse lugar demarcado, deve-se fincar um gnômon (estaca vertical) que, por convenção, meça doze larguras de dedo. Onde a ponta de sua sombra tocar—pela manhã e à tarde—ali se deve marcar o ponto.
Narada (teaching in a technical-practical instruction style within Moksha-dharma context)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: adbhuta
FAQs
It emphasizes kāla-śuddhi (purity/accuracy of time): righteous acts like dāna and daily observances become more effective when performed at properly determined times.
By teaching precise discipline in daily conduct and offerings, it supports steady devotional life—bhakti is strengthened when worship and charity are aligned with proper time and order.
Jyotiṣa/Vedāṅga-based time determination using a chaṅku (gnomon): marking the shadow-tip in the forenoon and afternoon to establish reference points for timing rites.