{"id":"vidhyamitra:day:1973-08-19:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/1973-08-19","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1973-08-19","date_display":"August 19, 1973 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":1973,"month":8,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441913.770833,"kali_year":5075,"ahargana":1853448.2708,"sun":{"sidereal_longitude":121.864,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":2.8242,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":240.9602,"elapsed_within_tithi_degrees":0.9602},"nakshatra":{"number":1,"name":"Aśvinī","pada":1,"moon_longitude":2.8242,"elapsed_within_degrees":2.8242},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":124.6882},"karana":{"half_tithi_index":40,"name":"Gara"},"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":1973,"month":8,"day":19,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2441913.770833,"ahargana":1853448.2708,"kali_year":5075,"ayanamsa_lahiri":23.4846,"grahas":{"sun":{"sidereal_longitude":122.433694,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":1.8757939999999849,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false,"latitude":4.2929},"mars":{"sidereal_longitude":9.47609399999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":108.405394,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":281.620094,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":true},"venus":{"sidereal_longitude":156.864694,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":68.495994,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":255.3912,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":75.3912,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"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":1973,"month":8,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441913.770833,"kali_year":5075,"ahargana":1853448.2708,"sun":{"sidereal_longitude":121.864,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":2.8242,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":240.9602,"elapsed_within_tithi_degrees":0.9602},"nakshatra":{"number":1,"name":"Aśvinī","pada":1,"moon_longitude":2.8242,"elapsed_within_degrees":2.8242},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":124.6882},"karana":{"half_tithi_index":40,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.293,"elongation":119.04},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.293,"opposition_distance":60.96}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":2030,"vikram_samvatsara":"Akṣaya","saka_samvat":1895,"saka_samvatsara":"Pramādī","bengali_samvat":1380,"malayalam_era":1149,"nanakshahi_year":504,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Ṣaṣṭhī · Vikram 2030 Akṣaya · Śaka 1895 Pramādī"},"festivals":[{"id":"balarama-jayanti","name":"Balarāma Jayantī (Hala-Ṣaṣṭhī)","name_sanskrit":"बलराम जयन्ती","tradition":"Vaishnava","associated_deity":"Balarāma (Krishna's elder brother; ādi-śeṣa)","significance":"Birth of Bala-deva, Krishna's elder brother and Saṅkarṣaṇa.","vrata":true,"detection":{"tithi_number":21,"tithi_paksha":"Kṛṣṇa","lunar_month":"Bhādrapada"},"precedence":3,"sources":["Bhāgavata 10.2-3"]},{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5}],"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":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","relevance":0.5}]},"validity":{"eternal":false,"valid_from":"1973-08-19T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga August 19, 1973 CE · Vidhyamitra","description":"Vedic pañchāṅga for August 19, 1973 CE: Kṛṣṇa Ṣaṣṭhī · Aśvinī.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/1973-08-19","hreflang_alternates":{"en":"https://vidhyamitra.com/day/1973-08-19","sa":"https://sa.vidhyamitra.com/day/1973-08-19","hi":"https://hi.vidhyamitra.com/day/1973-08-19","x-default":"https://vidhyamitra.com/day/1973-08-19"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T06:52:40.667Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-14T06:52:40.667Z","pillar_versions":{"BOB-History":"Pūrṇa"}}}