{"id":"vidhyamitra:city-day:ranchi:1985-12-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ranchi/1985-12-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1985-12-27","date_display":"December 27, 1985 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":1985,"month":12,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446426.770833,"kali_year":5087,"ahargana":1857961.2708,"sun":{"sidereal_longitude":251.3264,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":68.2927,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":176.9663,"elapsed_within_tithi_degrees":8.9663},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":68.2927,"elapsed_within_degrees":1.626},"yoga":{"number":24,"name":"Śukla","sum_longitude":319.6191},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1985,"month":12,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446426.770833,"ahargana":1857961.2708,"kali_year":5087,"ayanamsa_lahiri":23.6572,"grahas":{"sun":{"sidereal_longitude":251.57106399999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"moon":{"sidereal_longitude":68.538164,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false,"latitude":3.5457},"mars":{"sidereal_longitude":194.024364,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":232.35346400000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":294.398764,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":246.12826399999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":220.59576400000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":16.2707,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":196.2707,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","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":1985,"month":12,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446426.770833,"kali_year":5087,"ahargana":1857961.2708,"sun":{"sidereal_longitude":251.3264,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":68.2927,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":176.9663,"elapsed_within_tithi_degrees":8.9663},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":68.2927,"elapsed_within_degrees":1.626},"yoga":{"number":24,"name":"Śukla","sum_longitude":319.6191},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.546,"elongation":176.966},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.546,"opposition_distance":3.034}},"eclipse_window_40days":[]},"city":{"slug":"ranchi","name":"Ranchi, Jharkhand","lat":23.3441,"lon":85.3096,"tz_offset_hours":5.5,"state":"Jharkhand","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"ranchi","name":"Ranchi, Jharkhand","lat":23.3441,"lon":85.3096,"tz_offset_hours":5.5,"state":"Jharkhand","country":"IN","tier":"tier-1"},"sunriseLocal":"06:29","sunsetLocal":"17:11","solarNoonLocal":"11:50","dayLengthHours":10.703328476639363,"dayLengthDisplay":"10 Hours 42 Mins 12 Secs","nightLengthDisplay":"13 Hours 17 Mins 48 Secs","moonriseLocal":"16:52","moonsetLocal":"06:24","rahuKala":{"name":"Rāhu Kāla","start":"10:30","end":"11:50","startHours":10.498522375677261,"endHours":11.836438435257183,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:31","end":"15:51","startHours":14.512270554417022,"endHours":15.850186613996943,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:49","end":"09:10","startHours":7.82269025651742,"endHours":9.16060631609734,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:59","end":"09:20","startHours":8.98221750815335,"endHours":9.33899512404133,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:56","end":"07:13","startHours":6.930746216797473,"endHours":7.216168309507856,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:29","end":"12:12","startHours":11.479660819369204,"endHours":12.19321605114516,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:03","end":"05:46","startHours":5.057663733385585,"endHours":5.771218965161542,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:36","end":"06:29","startHours":5.592830157217553,"endHours":6.4847741969375,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:37","end":"14:20","startHours":13.620326514697076,"endHours":14.333881746473034,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:59","end":"17:23","startHours":16.988102673576865,"endHours":17.388102673576864,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:11","end":"17:38","startHours":17.188102673576864,"endHours":17.634074693436837,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:56","end":"18:41","startHours":16.938102673576864,"endHours":18.688102673576864,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:29","end":"00:12","startHours":23.479660819369204,"endHours":24.19321605114516,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:29","end":"07:49","startHours":6.4847741969375,"endHours":7.82269025651742,"quality":"neutral"},{"name":"Labha","start":"07:49","end":"09:10","startHours":7.82269025651742,"endHours":9.16060631609734,"quality":"auspicious"},{"name":"Amṛta","start":"09:10","end":"10:30","startHours":9.16060631609734,"endHours":10.498522375677261,"quality":"auspicious"},{"name":"Kāla","start":"10:30","end":"11:50","startHours":10.498522375677261,"endHours":11.836438435257183,"quality":"inauspicious"},{"name":"Śubha","start":"11:50","end":"13:10","startHours":11.836438435257183,"endHours":13.174354494837102,"quality":"auspicious"},{"name":"Roga","start":"13:10","end":"14:31","startHours":13.174354494837102,"endHours":14.512270554417022,"quality":"inauspicious"},{"name":"Udveg","start":"14:31","end":"15:51","startHours":14.512270554417022,"endHours":15.850186613996943,"quality":"inauspicious"},{"name":"Chala","start":"15:51","end":"17:11","startHours":15.850186613996943,"endHours":17.188102673576864,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:11","end":"18:51","startHours":17.188102673576864,"endHours":18.850186613996943,"quality":"inauspicious"},{"name":"Udveg","start":"18:51","end":"20:31","startHours":18.850186613996943,"endHours":20.51227055441702,"quality":"inauspicious"},{"name":"Chala","start":"20:31","end":"22:10","startHours":20.51227055441702,"endHours":22.174354494837104,"quality":"neutral"},{"name":"Labha","start":"22:10","end":"23:50","startHours":22.174354494837104,"endHours":23.836438435257183,"quality":"auspicious"},{"name":"Amṛta","start":"23:50","end":"01:30","startHours":23.836438435257183,"endHours":25.49852237567726,"quality":"auspicious"},{"name":"Kāla","start":"01:30","end":"03:10","startHours":25.49852237567726,"endHours":27.160606316097343,"quality":"inauspicious"},{"name":"Śubha","start":"03:10","end":"04:49","startHours":27.160606316097343,"endHours":28.822690256517422,"quality":"auspicious"},{"name":"Roga","start":"04:49","end":"06:29","startHours":28.822690256517422,"endHours":30.4847741969375,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:29","end":"07:29","startHours":6.4847741969375,"endHours":7.4847741969375,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:29","end":"08:29","startHours":7.4847741969375,"endHours":8.4847741969375,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:29","end":"09:29","startHours":8.4847741969375,"endHours":9.4847741969375,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:29","end":"10:29","startHours":9.4847741969375,"endHours":10.4847741969375,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:29","end":"11:29","startHours":10.4847741969375,"endHours":11.4847741969375,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:29","end":"12:29","startHours":11.4847741969375,"endHours":12.4847741969375,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:29","end":"13:29","startHours":12.4847741969375,"endHours":13.4847741969375,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:29","end":"14:29","startHours":13.4847741969375,"endHours":14.4847741969375,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:29","end":"15:29","startHours":14.4847741969375,"endHours":15.4847741969375,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:29","end":"16:29","startHours":15.4847741969375,"endHours":16.4847741969375,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:29","end":"17:29","startHours":16.4847741969375,"endHours":17.4847741969375,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:29","end":"18:29","startHours":17.4847741969375,"endHours":18.4847741969375,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:29","end":"19:29","startHours":18.4847741969375,"endHours":19.4847741969375,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:29","end":"20:29","startHours":19.4847741969375,"endHours":20.4847741969375,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:29","end":"21:29","startHours":20.4847741969375,"endHours":21.4847741969375,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:29","end":"22:29","startHours":21.4847741969375,"endHours":22.4847741969375,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:29","end":"23:29","startHours":22.4847741969375,"endHours":23.4847741969375,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:29","end":"00:29","startHours":23.4847741969375,"endHours":24.4847741969375,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:29","end":"01:29","startHours":24.4847741969375,"endHours":25.4847741969375,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:29","end":"02:29","startHours":25.4847741969375,"endHours":26.4847741969375,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:29","end":"03:29","startHours":26.4847741969375,"endHours":27.4847741969375,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:29","end":"04:29","startHours":27.4847741969375,"endHours":28.4847741969375,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:29","end":"05:29","startHours":28.4847741969375,"endHours":29.4847741969375,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:29","end":"06:29","startHours":29.4847741969375,"endHours":30.4847741969375,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.33320581667114,"eotMinutes":-1.4247061154310068,"ayanamsa":23.6572}},"calendars":{"vikram_samvat":2042,"vikram_samvatsara":"Bahudhānya","saka_samvat":1907,"saka_samvatsara":"Krodhana","bengali_samvat":1392,"malayalam_era":1161,"nanakshahi_year":516,"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":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Pūrṇimā · Vikram 2042 Bahudhānya · Śaka 1907 Krodhana"},"festivals":[{"id":"datta-jayanti","name":"Datta Jayantī","name_sanskrit":"दत्त जयन्ती","tradition":"Pan-Hindu","associated_deity":"Dattātreya (Brahmā + Viṣṇu + Śiva combined)","significance":"Birth of Dattātreya from Atri-Anusūyā; tri-mūrti unified avatāra.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Mārgaśīrṣa"},"precedence":2,"sources":["Mārkaṇḍeya Purāṇa","Bhāgavata 4.1.15"]},{"id":"annapurna-jayanti","name":"Annapūrṇā Jayantī","name_sanskrit":"अन्नपूर्णा जयन्ती","tradition":"Shakta","associated_deity":"Devī Annapūrṇā (Pārvatī as nourishing mother)","significance":"Devī Annapūrṇā's manifestation; food-grain pūjā; Mārgaśīrṣa Pūrṇimā tradition.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Mārgaśīrṣa"},"precedence":3,"sources":["Annapūrṇā-stotra by Śaṅkarācārya"]}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","url":"/day/-0562-04-11","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"ranchi"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 27, 1985 CE · Ranchi, Jharkhand · Vidhyamitra","description":"December 27, 1985 CE for Ranchi, Jharkhand: Śukla Pūrṇimā, sūryodaya 06:29, sūryāsta 17:11.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ranchi/1985-12-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ranchi/1985-12-27","sa":"https://sa.vidhyamitra.com/city/ranchi/1985-12-27","hi":"https://hi.vidhyamitra.com/city/ranchi/1985-12-27","x-default":"https://vidhyamitra.com/city/ranchi/1985-12-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T00:53:39.013Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-06-03T00:53:39.013Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T00:53:39.013Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}