{"id":"vidhyamitra:city-day:ranchi:1981-12-08:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ranchi/1981-12-08","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-12-08","date_display":"December 8, 1981 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":1981,"month":12,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444946.770833,"kali_year":5083,"ahargana":1856481.2708,"sun":{"sidereal_longitude":231.862,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":7.5677,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":135.7058,"elapsed_within_tithi_degrees":3.7058},"nakshatra":{"number":1,"name":"Aśvinī","pada":3,"moon_longitude":7.5677,"elapsed_within_degrees":7.5677},"yoga":{"number":18,"name":"Varīyān","sum_longitude":239.4297},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1981,"month":12,"day":8,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444946.770833,"ahargana":1856481.2708,"kali_year":5083,"ayanamsa_lahiri":23.6006,"grahas":{"sun":{"sidereal_longitude":232.262611,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":5.355111000000022,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false,"latitude":-4.4943},"mars":{"sidereal_longitude":152.78001100000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":231.04391099999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":188.89431100000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":276.101711,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":175.88041099999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":94.6883,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":274.6883,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":1981,"month":12,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444946.770833,"kali_year":5083,"ahargana":1856481.2708,"sun":{"sidereal_longitude":231.862,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":7.5677,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":135.7058,"elapsed_within_tithi_degrees":3.7058},"nakshatra":{"number":1,"name":"Aśvinī","pada":3,"moon_longitude":7.5677,"elapsed_within_degrees":7.5677},"yoga":{"number":18,"name":"Varīyān","sum_longitude":239.4297},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.494,"elongation":135.706},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.494,"opposition_distance":44.294}},"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":"06:19","sunsetLocal":"17:04","solarNoonLocal":"11:41","dayLengthHours":10.747240573033189,"dayLengthDisplay":"10 Hours 44 Mins 50 Secs","nightLengthDisplay":"13 Hours 15 Mins 10 Secs","moonriseLocal":"14:12","moonsetLocal":"02:56","rahuKala":{"name":"Rāhu Kāla","start":"14:23","end":"15:43","startHours":14.377866391486062,"endHours":15.721271463115212,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:00","end":"10:21","startHours":9.004246104969468,"endHours":10.347651176598617,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:41","end":"13:02","startHours":11.691056248227767,"endHours":13.034461319856915,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:50","end":"09:11","startHours":8.82512542875225,"endHours":9.183366781186688,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:46","end":"07:03","startHours":6.765237652254221,"endHours":7.051830734201773,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:20","end":"12:03","startHours":11.332814895793327,"endHours":12.049297600662207,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:53","end":"05:36","startHours":4.884470551973413,"endHours":5.600953256842293,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:25","end":"06:19","startHours":5.421832580625073,"endHours":6.317435961711172,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:29","end":"14:12","startHours":13.482263010399965,"endHours":14.198745715268844,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:52","end":"17:16","startHours":16.864676534744362,"endHours":17.26467653474436,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:04","end":"17:31","startHours":17.06467653474436,"endHours":17.51247822528741,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:49","end":"18:34","startHours":16.81467653474436,"endHours":18.56467653474436,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:20","end":"00:03","startHours":23.332814895793327,"endHours":24.049297600662207,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:19","end":"07:40","startHours":6.317435961711172,"endHours":7.66084103334032,"quality":"inauspicious"},{"name":"Udveg","start":"07:40","end":"09:00","startHours":7.66084103334032,"endHours":9.004246104969468,"quality":"inauspicious"},{"name":"Chala","start":"09:00","end":"10:21","startHours":9.004246104969468,"endHours":10.347651176598617,"quality":"neutral"},{"name":"Labha","start":"10:21","end":"11:41","startHours":10.347651176598617,"endHours":11.691056248227767,"quality":"auspicious"},{"name":"Amṛta","start":"11:41","end":"13:02","startHours":11.691056248227767,"endHours":13.034461319856915,"quality":"auspicious"},{"name":"Kāla","start":"13:02","end":"14:23","startHours":13.034461319856915,"endHours":14.377866391486062,"quality":"inauspicious"},{"name":"Śubha","start":"14:23","end":"15:43","startHours":14.377866391486062,"endHours":15.721271463115212,"quality":"auspicious"},{"name":"Roga","start":"15:43","end":"17:04","startHours":15.721271463115212,"endHours":17.06467653474436,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:04","end":"18:43","startHours":17.06467653474436,"endHours":18.72127146311521,"quality":"inauspicious"},{"name":"Śubha","start":"18:43","end":"20:23","startHours":18.72127146311521,"endHours":20.377866391486066,"quality":"auspicious"},{"name":"Roga","start":"20:23","end":"22:02","startHours":20.377866391486066,"endHours":22.034461319856916,"quality":"inauspicious"},{"name":"Udveg","start":"22:02","end":"23:41","startHours":22.034461319856916,"endHours":23.691056248227767,"quality":"inauspicious"},{"name":"Chala","start":"23:41","end":"01:21","startHours":23.691056248227767,"endHours":25.347651176598617,"quality":"neutral"},{"name":"Labha","start":"01:21","end":"03:00","startHours":25.347651176598617,"endHours":27.004246104969468,"quality":"auspicious"},{"name":"Amṛta","start":"03:00","end":"04:40","startHours":27.004246104969468,"endHours":28.660841033340322,"quality":"auspicious"},{"name":"Kāla","start":"04:40","end":"06:19","startHours":28.660841033340322,"endHours":30.317435961711173,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:19","end":"07:19","startHours":6.317435961711172,"endHours":7.317435961711172,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:19","end":"08:19","startHours":7.317435961711172,"endHours":8.317435961711173,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:19","end":"09:19","startHours":8.317435961711173,"endHours":9.317435961711173,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:19","end":"10:19","startHours":9.317435961711173,"endHours":10.317435961711173,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:19","end":"11:19","startHours":10.317435961711173,"endHours":11.317435961711173,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:19","end":"12:19","startHours":11.317435961711173,"endHours":12.317435961711173,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:19","end":"13:19","startHours":12.317435961711173,"endHours":13.317435961711173,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:19","end":"14:19","startHours":13.317435961711173,"endHours":14.317435961711173,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:19","end":"15:19","startHours":14.317435961711173,"endHours":15.317435961711173,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:19","end":"16:19","startHours":15.317435961711173,"endHours":16.317435961711173,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:19","end":"17:19","startHours":16.317435961711173,"endHours":17.317435961711173,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:19","end":"18:19","startHours":17.317435961711173,"endHours":18.317435961711173,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:19","end":"19:19","startHours":18.317435961711173,"endHours":19.317435961711173,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:19","end":"20:19","startHours":19.317435961711173,"endHours":20.317435961711173,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:19","end":"21:19","startHours":20.317435961711173,"endHours":21.317435961711173,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:19","end":"22:19","startHours":21.317435961711173,"endHours":22.317435961711173,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:19","end":"23:19","startHours":22.317435961711173,"endHours":23.317435961711173,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:19","end":"00:19","startHours":23.317435961711173,"endHours":24.317435961711173,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:19","end":"01:19","startHours":24.317435961711173,"endHours":25.317435961711173,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:19","end":"02:19","startHours":25.317435961711173,"endHours":26.317435961711173,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:19","end":"03:19","startHours":26.317435961711173,"endHours":27.317435961711173,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:19","end":"04:19","startHours":27.317435961711173,"endHours":28.317435961711173,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:19","end":"05:19","startHours":28.317435961711173,"endHours":29.317435961711173,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:19","end":"06:19","startHours":29.317435961711173,"endHours":30.317435961711173,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"North","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Śarad (Autumn)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-22.686414680880933,"eotMinutes":7.298225106333945,"ayanamsa":23.6006}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Dvādaśī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"vrischika-sankranti","name":"Vṛścika Saṅkrānti","name_sanskrit":"वृश्चिक सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Scorpio.","vrata":false,"detection":{"sun_rashi":"Vṛścika"},"precedence":5}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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":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 8, 1981 CE · Ranchi, Jharkhand · Vidhyamitra","description":"December 8, 1981 CE for Ranchi, Jharkhand: Śukla Dvādaśī, sūryodaya 06:19, sūryāsta 17:04.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ranchi/1981-12-08","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ranchi/1981-12-08","sa":"https://sa.vidhyamitra.com/city/ranchi/1981-12-08","hi":"https://hi.vidhyamitra.com/city/ranchi/1981-12-08","x-default":"https://vidhyamitra.com/city/ranchi/1981-12-08"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T15:21:33.413Z","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":"2026-05-18T15:21:33.413Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T15:21:33.413Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}