{"id":"vidhyamitra:day:2290-12-08:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/2290-12-08","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2290-12-08","date_display":"December 8, 2290 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":2290,"month":12,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2557806.770833,"kali_year":5392,"ahargana":1969341.2708,"sun":{"sidereal_longitude":226.7919,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":290.0351,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":63.2432,"elapsed_within_tithi_degrees":3.2432},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4,"moon_longitude":290.0351,"elapsed_within_degrees":10.0351},"yoga":{"number":12,"name":"Dhruva","sum_longitude":156.827},"karana":{"half_tithi_index":10,"name":"Kaulava"},"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":2290,"month":12,"day":8,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2557806.770833,"ahargana":1969341.2708,"kali_year":5392,"ayanamsa_lahiri":27.9171,"grahas":{"sun":{"sidereal_longitude":227.96882900000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":288.165929,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false,"latitude":3.6945},"mars":{"sidereal_longitude":210.283729,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":219.824929,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":197.896429,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":183.048229,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":326.79112899999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":234.8223,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":54.8223,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1},"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":2290,"month":12,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2557806.770833,"kali_year":5392,"ahargana":1969341.2708,"sun":{"sidereal_longitude":226.7919,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":290.0351,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":63.2432,"elapsed_within_tithi_degrees":3.2432},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4,"moon_longitude":290.0351,"elapsed_within_degrees":10.0351},"yoga":{"number":12,"name":"Dhruva","sum_longitude":156.827},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.695,"elongation":63.243},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.695,"opposition_distance":116.757}},"eclipse_window_40days":[{"offset_days":9,"type":"lunar","occurs":true,"moon_latitude":-0.147,"opposition_distance":0.212}]},"calendars":{"vikram_samvat":2347,"vikram_samvatsara":"Subhānu","saka_samvat":2212,"saka_samvatsara":"Pramoda","bengali_samvat":1697,"malayalam_era":1466,"nanakshahi_year":821,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Ṣaṣṭhī · Vikram 2347 Subhānu · Śaka 2212 Pramoda"},"festivals":[{"id":"skanda-shashthi","name":"Skanda Ṣaṣṭhī","name_sanskrit":"स्कन्द षष्ठी","tradition":"Shaiva","associated_deity":"Kārttikeya / Skanda / Murugan","significance":"Kārttikeya's victory over Tāraka. Important Shaiva day in Tamil tradition.","vrata":true,"detection":{"tithi_number":6,"tithi_paksha":"Śukla","lunar_month":"Mārgaśīrṣa"},"precedence":3}],"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":[]},"validity":{"eternal":false,"valid_from":"2290-12-08T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga December 8, 2290 CE · Vidhyamitra","description":"Vedic pañchāṅga for December 8, 2290 CE: Śukla Ṣaṣṭhī · Śravaṇa.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/2290-12-08","hreflang_alternates":{"en":"https://vidhyamitra.com/day/2290-12-08","sa":"https://sa.vidhyamitra.com/day/2290-12-08","hi":"https://hi.vidhyamitra.com/day/2290-12-08","x-default":"https://vidhyamitra.com/day/2290-12-08"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T14:21:32.117Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-06-01T14:21:32.117Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}