{"id":"vidhyamitra:day:-0482-09-21:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/-0482-09-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"-0482-09-21","date_display":"September 21, 483 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":-482,"month":9,"day":21,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":1545270.770833,"kali_year":2620,"ahargana":956805.2708,"sun":{"sidereal_longitude":187.5963,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":9.3726,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":181.7763,"elapsed_within_tithi_degrees":1.7763},"nakshatra":{"number":1,"name":"Aśvinī","pada":3,"moon_longitude":9.3726,"elapsed_within_degrees":9.3726},"yoga":{"number":15,"name":"Vajra","sum_longitude":196.969},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":-482,"month":9,"day":21,"hour":6,"minute":30,"calendar":"julian"},"julian_day":1545270.770833,"ahargana":956805.2708,"kali_year":2620,"ayanamsa_lahiri":-10.8086,"grahas":{"sun":{"sidereal_longitude":187.5963,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":9.3726,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false,"latitude":3.6613},"mars":{"sidereal_longitude":228.8322,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":193.5198,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":300.1512,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":144.6423,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":300.7579,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":243.8523,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":63.8523,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","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":-482,"month":9,"day":21,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":1545270.770833,"kali_year":2620,"ahargana":956805.2708,"sun":{"sidereal_longitude":187.5963,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":9.3726,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":181.7763,"elapsed_within_tithi_degrees":1.7763},"nakshatra":{"number":1,"name":"Aśvinī","pada":3,"moon_longitude":9.3726,"elapsed_within_degrees":9.3726},"yoga":{"number":15,"name":"Vajra","sum_longitude":196.969},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.661,"elongation":178.224},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.661,"opposition_distance":1.776}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":-425,"saka_samvat":-560,"bengali_samvat":-1075,"malayalam_era":-1306,"nanakshahi_year":-1951,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Kārtika","lunar_month_amanta":"Kārtika","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 Pratipada · Vikram -425 undefined · Śaka -560 undefined"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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":true},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga September 21, 483 BCE · Vidhyamitra","description":"Vedic pañchāṅga for September 21, 483 BCE: Kṛṣṇa Pratipada · Aśvinī.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/-0482-09-21","hreflang_alternates":{"en":"https://vidhyamitra.com/day/-0482-09-21","sa":"https://sa.vidhyamitra.com/day/-0482-09-21","hi":"https://hi.vidhyamitra.com/day/-0482-09-21","x-default":"https://vidhyamitra.com/day/-0482-09-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-30T02:50:42.973Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-30T02:50:42.973Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}