{"id":"vidhyamitra:day:1665-09-06:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/1665-09-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1665-09-06","date_display":"September 6, 1665 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":1665,"month":9,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2329437.770833,"kali_year":4767,"ahargana":1740972.2708,"sun":{"sidereal_longitude":144.699,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":100.1141,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":315.4151,"elapsed_within_tithi_degrees":3.4151},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":100.1141,"elapsed_within_degrees":6.7808},"yoga":{"number":19,"name":"Parigha","sum_longitude":244.8131},"karana":{"half_tithi_index":52,"name":"Kaulava"},"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":1665,"month":9,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2329437.770833,"ahargana":1740972.2708,"kali_year":4767,"ayanamsa_lahiri":19.1829,"grahas":{"sun":{"sidereal_longitude":144.61040400000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":97.30010400000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false,"latitude":0.4077},"mars":{"sidereal_longitude":104.10580400000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":169.08730400000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":299.539004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":103.32360399999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":258.18500399999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":94.9109,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":274.9109,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":1665,"month":9,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2329437.770833,"kali_year":4767,"ahargana":1740972.2708,"sun":{"sidereal_longitude":144.699,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":100.1141,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":315.4151,"elapsed_within_tithi_degrees":3.4151},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":100.1141,"elapsed_within_degrees":6.7808},"yoga":{"number":19,"name":"Parigha","sum_longitude":244.8131},"karana":{"half_tithi_index":52,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.408,"elongation":44.585},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.408,"opposition_distance":135.415}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":1722,"vikram_samvatsara":"Kālayukta","saka_samvat":1587,"saka_samvatsara":"Viśvāvasu","bengali_samvat":1072,"malayalam_era":841,"nanakshahi_year":196,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Dvādaśī · Vikram 1722 Kālayukta · Śaka 1587 Viśvāvasu"},"festivals":[],"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":false,"valid_from":"1665-09-06T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga September 6, 1665 CE · Vidhyamitra","description":"Vedic pañchāṅga for September 6, 1665 CE: Kṛṣṇa Dvādaśī · Puṣya.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/1665-09-06","hreflang_alternates":{"en":"https://vidhyamitra.com/day/1665-09-06","sa":"https://sa.vidhyamitra.com/day/1665-09-06","hi":"https://hi.vidhyamitra.com/day/1665-09-06","x-default":"https://vidhyamitra.com/day/1665-09-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-04T15:41:18.093Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-06-04T15:41:18.093Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}