{"id":"vidhyamitra:day:1854-12-27:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/1854-12-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1854-12-27","date_display":"December 27, 1854 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":1854,"month":12,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2398579.770833,"kali_year":4956,"ahargana":1810114.2708,"sun":{"sidereal_longitude":253.2765,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":346.6053,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":93.3288,"elapsed_within_tithi_degrees":9.3288},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4,"moon_longitude":346.6053,"elapsed_within_degrees":13.272},"yoga":{"number":18,"name":"Varīyān","sum_longitude":239.8818},"karana":{"half_tithi_index":15,"name":"Bava"},"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":1854,"month":12,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2398579.770833,"ahargana":1810114.2708,"kali_year":4956,"ayanamsa_lahiri":21.8273,"grahas":{"sun":{"sidereal_longitude":253.19747200000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"moon":{"sidereal_longitude":349.542172,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false,"latitude":-3.1709},"mars":{"sidereal_longitude":278.4881720000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":241.14557200000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":281.69397200000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"venus":{"sidereal_longitude":258.500672,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":50.270771999999965,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":31.4351,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":211.4351,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","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":1854,"month":12,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2398579.770833,"kali_year":4956,"ahargana":1810114.2708,"sun":{"sidereal_longitude":253.2765,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":346.6053,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":93.3288,"elapsed_within_tithi_degrees":9.3288},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4,"moon_longitude":346.6053,"elapsed_within_degrees":13.272},"yoga":{"number":18,"name":"Varīyān","sum_longitude":239.8818},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.171,"elongation":93.329},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.171,"opposition_distance":86.671}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":1911,"vikram_samvatsara":"Prabhava","saka_samvat":1776,"saka_samvatsara":"Ānanda","bengali_samvat":1261,"malayalam_era":1030,"nanakshahi_year":385,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Aṣṭamī · Vikram 1911 Prabhava · Śaka 1776 Ānanda"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":5}],"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":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","relevance":0.5}]},"validity":{"eternal":false,"valid_from":"1854-12-27T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga December 27, 1854 CE · Vidhyamitra","description":"Vedic pañchāṅga for December 27, 1854 CE: Śukla Aṣṭamī · Uttara Bhādrapadā.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/1854-12-27","hreflang_alternates":{"en":"https://vidhyamitra.com/day/1854-12-27","sa":"https://sa.vidhyamitra.com/day/1854-12-27","hi":"https://hi.vidhyamitra.com/day/1854-12-27","x-default":"https://vidhyamitra.com/day/1854-12-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T16:24:48.789Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-18T16:24:48.789Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}