{"id":"vidhyamitra:day:-1626010-12-19:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/-1626010-12-19","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"-1626010-12-19","date_display":"December 19, 1626011 BCE","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":-1626010,"month":12,"day":19,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":-592178742.229167,"kali_year":-1622869,"ahargana":-592767207.7292,"sun":{"sidereal_longitude":266.917,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":129.1442,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":222.2271,"elapsed_within_tithi_degrees":6.2271},"nakshatra":{"number":10,"name":"Maghā","pada":3,"moon_longitude":129.1442,"elapsed_within_degrees":9.1442},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":36.0612},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":-1626010,"month":12,"day":19,"hour":6,"minute":30,"calendar":"julian"},"julian_day":-592178742.229167,"ahargana":-592767207.7292,"kali_year":-1622869,"ayanamsa_lahiri":-22718.5283,"grahas":{"sun":{"sidereal_longitude":266.917,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":129.1442,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false,"latitude":3.4516},"mars":{"sidereal_longitude":216.7499,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":285.4705,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":217.4797,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":286.8309,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":244.4324,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":359.2611,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":179.2611,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"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":-1626010,"month":12,"day":19,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":-592178742.229167,"kali_year":-1622869,"ahargana":-592767207.7292,"sun":{"sidereal_longitude":266.917,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":129.1442,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":222.2271,"elapsed_within_tithi_degrees":6.2271},"nakshatra":{"number":10,"name":"Maghā","pada":3,"moon_longitude":129.1442,"elapsed_within_degrees":9.1442},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":36.0612},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.452,"elongation":137.773},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.452,"opposition_distance":42.227}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":-1625953,"saka_samvat":-1626088,"bengali_samvat":-1626603,"malayalam_era":-1626834,"nanakshahi_year":-1627479,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Caturthī · Vikram -1625953 undefined · Śaka -1626088 undefined"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":5},{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":true},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga December 19, 1626011 BCE · Vidhyamitra","description":"Vedic pañchāṅga for December 19, 1626011 BCE: Kṛṣṇa Caturthī · Maghā.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/-1626010-12-19","hreflang_alternates":{"en":"https://vidhyamitra.com/day/-1626010-12-19","sa":"https://sa.vidhyamitra.com/day/-1626010-12-19","hi":"https://hi.vidhyamitra.com/day/-1626010-12-19","x-default":"https://vidhyamitra.com/day/-1626010-12-19"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T08:16:14.994Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-14T08:16:14.994Z","pillar_versions":{"BOB-History":"Pūrṇa"}}}