{"id":"vidhyamitra:day:1812-12-05:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/1812-12-05","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1812-12-05","date_display":"December 5, 1812 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1812,"month":12,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2383217.770833,"kali_year":4914,"ahargana":1794752.2708,"sun":{"sidereal_longitude":231.5853,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":243.7308,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":12.1454,"elapsed_within_tithi_degrees":0.1454},"nakshatra":{"number":19,"name":"Mūla","pada":2,"moon_longitude":243.7308,"elapsed_within_degrees":3.7308},"yoga":{"number":9,"name":"Śūla","sum_longitude":115.3161},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":1812,"month":12,"day":5,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2383217.770833,"ahargana":1794752.2708,"kali_year":4914,"ayanamsa_lahiri":21.2397,"grahas":{"sun":{"sidereal_longitude":231.58891300000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":243.393413,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false,"latitude":3.9596},"mars":{"sidereal_longitude":188.31561299999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":253.42771300000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":109.53291300000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":193.95381299999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":257.82251299999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":125.3877,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":305.3877,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1812,"month":12,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2383217.770833,"kali_year":4914,"ahargana":1794752.2708,"sun":{"sidereal_longitude":231.5853,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":243.7308,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":12.1454,"elapsed_within_tithi_degrees":0.1454},"nakshatra":{"number":19,"name":"Mūla","pada":2,"moon_longitude":243.7308,"elapsed_within_degrees":3.7308},"yoga":{"number":9,"name":"Śūla","sum_longitude":115.3161},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.96,"elongation":12.145},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.96,"opposition_distance":167.855}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":1869,"vikram_samvatsara":"Pārthiva","saka_samvat":1734,"saka_samvatsara":"Aṅgirasa","bengali_samvat":1219,"malayalam_era":988,"nanakshahi_year":343,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Dvitīyā · Vikram 1869 Pārthiva · Śaka 1734 Aṅgirasa"},"festivals":[{"id":"vrischika-sankranti","name":"Vṛścika Saṅkrānti","name_sanskrit":"वृश्चिक सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Scorpio.","vrata":false,"detection":{"sun_rashi":"Vṛścika"},"precedence":5}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"valid_from":"1812-12-05T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga December 5, 1812 CE · Vidhyamitra","description":"Vedic pañchāṅga for December 5, 1812 CE: Śukla Dvitīyā · Mūla.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/1812-12-05","hreflang_alternates":{"en":"https://vidhyamitra.com/day/1812-12-05","sa":"https://sa.vidhyamitra.com/day/1812-12-05","hi":"https://hi.vidhyamitra.com/day/1812-12-05","x-default":"https://vidhyamitra.com/day/1812-12-05"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-22T06:57:23.173Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-22T06:57:23.173Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}