Jyotiṣa-śāstra Saṅgraha: Threefold Division, Gaṇita Methods, Muhūrta, and Planetary Reckoning
सप्तोर्द्धनावशेषौ तौ विज्ञेयौ मासवर्षपौ । स्नेहस्य भगणाभ्यस्तो दिनराशिः कुवासरैः ॥ ८१ ॥
saptorddhanāvaśeṣau tau vijñeyau māsavarṣapau | snehasya bhagaṇābhyasto dinarāśiḥ kuvāsaraiḥ || 81 ||
وأما الباقيان اللذان يظلان بعد سبعةٍ ونصف، فيُعرَفان بأنهما الشهرُ والسنة. ومجموعُ الأيام—المتحصَّل من تطبيق الدورات (bhagaṇa) على المقدار المعطى—ينبغي أن يُعبَّر عنه بحسب أيام الأسبوع (vāra) الناتجة.
Narada (teaching technical computation in the Vedanga/astronomical mode within the Moksha-Dharma section)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: none
It frames sacred time (māsa, varṣa, and vāra) as something knowable through precise reckoning, supporting dharmic practice by aligning vows, rites, and observances with correctly computed calendrical time.
Indirectly: by emphasizing correct time computation, it underpins bhakti-based vratas and pūjā schedules—devotion becomes steadier and more disciplined when performed at properly determined sacred times.
Jyotiṣa Vedāṅga: using bhagaṇa (astronomical cycles) and remainders to derive month/year measures and then converting the computed day-total into weekday (vāra) reckoning.