{"id":"vidhyamitra:day:1674-10-20:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/1674-10-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1674-10-20","date_display":"October 20, 1674 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":1674,"month":10,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2332768.770833,"kali_year":4776,"ahargana":1744303.2708,"sun":{"sidereal_longitude":187.7174,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":69.8841,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":242.1667,"elapsed_within_tithi_degrees":2.1667},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":69.8841,"elapsed_within_degrees":3.2174},"yoga":{"number":20,"name":"Śiva","sum_longitude":257.6015},"karana":{"half_tithi_index":40,"name":"Gara"},"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":1674,"month":10,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2332768.770833,"ahargana":1744303.2708,"kali_year":4776,"ayanamsa_lahiri":19.3103,"grahas":{"sun":{"sidereal_longitude":187.64453600000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":67.29643599999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false,"latitude":2.1479},"mars":{"sidereal_longitude":44.245136,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":true},"mercury":{"sidereal_longitude":188.79743600000006,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":217.27483600000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":235.981136,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":9.631436000000008,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":278.4185,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":98.4185,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":1674,"month":10,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2332768.770833,"kali_year":4776,"ahargana":1744303.2708,"sun":{"sidereal_longitude":187.7174,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":69.8841,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":242.1667,"elapsed_within_tithi_degrees":2.1667},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":69.8841,"elapsed_within_degrees":3.2174},"yoga":{"number":20,"name":"Śiva","sum_longitude":257.6015},"karana":{"half_tithi_index":40,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.148,"elongation":117.833},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.148,"opposition_distance":62.167}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":1731,"vikram_samvatsara":"Prabhava","saka_samvat":1596,"saka_samvatsara":"Ānanda","bengali_samvat":1081,"malayalam_era":850,"nanakshahi_year":205,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Kārtika","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Kṛṣṇa Ṣaṣṭhī · Vikram 1731 Prabhava · Śaka 1596 Ānanda"},"festivals":[],"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":"1674-10-20T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga October 20, 1674 CE · Vidhyamitra","description":"Vedic pañchāṅga for October 20, 1674 CE: Kṛṣṇa Ṣaṣṭhī · Ārdrā.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/1674-10-20","hreflang_alternates":{"en":"https://vidhyamitra.com/day/1674-10-20","sa":"https://sa.vidhyamitra.com/day/1674-10-20","hi":"https://hi.vidhyamitra.com/day/1674-10-20","x-default":"https://vidhyamitra.com/day/1674-10-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-04T01:46:21.231Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-06-04T01:46:21.231Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}