{"id":"vidhyamitra:day:2121-10-08:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/2121-10-08","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2121-10-08","date_display":"October 8, 2121 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":2121,"month":10,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2496019.770833,"kali_year":5223,"ahargana":1907554.2708,"sun":{"sidereal_longitude":168.1836,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":127.509,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":319.3254,"elapsed_within_tithi_degrees":7.3254},"nakshatra":{"number":10,"name":"Maghā","pada":3,"moon_longitude":127.509,"elapsed_within_degrees":7.509},"yoga":{"number":23,"name":"Śubha","sum_longitude":295.6926},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2121,"month":10,"day":8,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2496019.770833,"ahargana":1907554.2708,"kali_year":5223,"ayanamsa_lahiri":25.554,"grahas":{"sun":{"sidereal_longitude":169.223347,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"moon":{"sidereal_longitude":130.02474700000005,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false,"latitude":-2.8249},"mars":{"sidereal_longitude":202.782647,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":150.57694700000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":117.33504700000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":152.28704700000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":81.07494700000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":268.5949,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":88.5949,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","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":2121,"month":10,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2496019.770833,"kali_year":5223,"ahargana":1907554.2708,"sun":{"sidereal_longitude":168.1836,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":127.509,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":319.3254,"elapsed_within_tithi_degrees":7.3254},"nakshatra":{"number":10,"name":"Maghā","pada":3,"moon_longitude":127.509,"elapsed_within_degrees":7.509},"yoga":{"number":23,"name":"Śubha","sum_longitude":295.6926},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.825,"elongation":40.675},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.825,"opposition_distance":139.325}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":2178,"vikram_samvatsara":"Jaya","saka_samvat":2043,"saka_samvatsara":"Vṛṣa","bengali_samvat":1528,"malayalam_era":1297,"nanakshahi_year":652,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Dvādaśī · Vikram 2178 Jaya · Śaka 2043 Vṛṣa"},"festivals":[{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi":"Kanyā"},"precedence":4}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"valid_from":"2121-10-08T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga October 8, 2121 CE · Vidhyamitra","description":"Vedic pañchāṅga for October 8, 2121 CE: Kṛṣṇa Dvādaśī · Maghā.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/2121-10-08","hreflang_alternates":{"en":"https://vidhyamitra.com/day/2121-10-08","sa":"https://sa.vidhyamitra.com/day/2121-10-08","hi":"https://hi.vidhyamitra.com/day/2121-10-08","x-default":"https://vidhyamitra.com/day/2121-10-08"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T11:33:12.215Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-17T11:33:12.216Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}