{"id":"vidhyamitra:city-day:ranchi:1982-02-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ranchi/1982-02-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1982-02-06","date_display":"February 6, 1982 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":1982,"month":2,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445006.770833,"kali_year":5083,"ahargana":1856541.2708,"sun":{"sidereal_longitude":293.4117,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":84.7419,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":151.3302,"elapsed_within_tithi_degrees":7.3302},"nakshatra":{"number":7,"name":"Punarvasu","pada":2,"moon_longitude":84.7419,"elapsed_within_degrees":4.7419},"yoga":{"number":2,"name":"Prīti","sum_longitude":18.1536},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":1982,"month":2,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2445006.770833,"ahargana":1856541.2708,"kali_year":5083,"ayanamsa_lahiri":23.6029,"grahas":{"sun":{"sidereal_longitude":293.3203189999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":82.63111900000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false,"latitude":-0.5297},"mars":{"sidereal_longitude":174.48961899999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":282.9698189999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":196.64631899999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":270.32471899999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":178.341819,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":91.5092,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":271.5092,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"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":1982,"month":2,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445006.770833,"kali_year":5083,"ahargana":1856541.2708,"sun":{"sidereal_longitude":293.4117,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":84.7419,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":151.3302,"elapsed_within_tithi_degrees":7.3302},"nakshatra":{"number":7,"name":"Punarvasu","pada":2,"moon_longitude":84.7419,"elapsed_within_degrees":4.7419},"yoga":{"number":2,"name":"Prīti","sum_longitude":18.1536},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.53,"elongation":151.33},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.53,"opposition_distance":28.67}},"eclipse_window_40days":[{"offset_days":-12,"type":"solar","occurs":true,"moon_latitude":-0.544,"elongation":2.054}]},"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":"06:27","sunsetLocal":"17:39","solarNoonLocal":"12:03","dayLengthHours":11.1935872002787,"dayLengthDisplay":"11 Hours 11 Mins 37 Secs","nightLengthDisplay":"12 Hours 48 Mins 23 Secs","moonriseLocal":"15:16","moonsetLocal":"04:44","rahuKala":{"name":"Rāhu Kāla","start":"09:15","end":"10:39","startHours":9.252552085221613,"endHours":10.65175048525645,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:27","end":"14:51","startHours":13.450147285326125,"endHours":14.849345685360962,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:27","end":"07:51","startHours":6.454155285151938,"endHours":7.853353685186775,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:04","end":"09:26","startHours":9.0659922985503,"endHours":9.439111871892925,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:55","end":"07:13","startHours":6.920554751830217,"endHours":7.219050410504315,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:41","end":"12:25","startHours":11.677829311948663,"endHours":12.424068458633911,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:58","end":"05:42","startHours":4.961676991781444,"endHours":5.707916138466691,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:31","end":"06:27","startHours":5.521356351795379,"endHours":6.454155285151938,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:55","end":"14:40","startHours":13.916546752004404,"endHours":14.66278589868965,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:27","end":"17:51","startHours":17.447742485430638,"endHours":17.847742485430636,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:39","end":"18:07","startHours":17.647742485430637,"endHours":18.114141952108916,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:24","end":"19:09","startHours":17.397742485430637,"endHours":19.147742485430637,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:41","end":"00:25","startHours":23.677829311948663,"endHours":24.42406845863391,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:27","end":"07:51","startHours":6.454155285151938,"endHours":7.853353685186775,"quality":"inauspicious"},{"name":"Śubha","start":"07:51","end":"09:15","startHours":7.853353685186775,"endHours":9.252552085221613,"quality":"auspicious"},{"name":"Roga","start":"09:15","end":"10:39","startHours":9.252552085221613,"endHours":10.65175048525645,"quality":"inauspicious"},{"name":"Udveg","start":"10:39","end":"12:03","startHours":10.65175048525645,"endHours":12.050948885291287,"quality":"inauspicious"},{"name":"Chala","start":"12:03","end":"13:27","startHours":12.050948885291287,"endHours":13.450147285326125,"quality":"neutral"},{"name":"Labha","start":"13:27","end":"14:51","startHours":13.450147285326125,"endHours":14.849345685360962,"quality":"auspicious"},{"name":"Amṛta","start":"14:51","end":"16:15","startHours":14.849345685360962,"endHours":16.2485440853958,"quality":"auspicious"},{"name":"Kāla","start":"16:15","end":"17:39","startHours":16.2485440853958,"endHours":17.647742485430637,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:39","end":"19:15","startHours":17.647742485430637,"endHours":19.2485440853958,"quality":"auspicious"},{"name":"Amṛta","start":"19:15","end":"20:51","startHours":19.2485440853958,"endHours":20.849345685360962,"quality":"auspicious"},{"name":"Kāla","start":"20:51","end":"22:27","startHours":20.849345685360962,"endHours":22.450147285326125,"quality":"inauspicious"},{"name":"Śubha","start":"22:27","end":"00:03","startHours":22.450147285326125,"endHours":24.050948885291287,"quality":"auspicious"},{"name":"Roga","start":"00:03","end":"01:39","startHours":24.050948885291287,"endHours":25.65175048525645,"quality":"inauspicious"},{"name":"Udveg","start":"01:39","end":"03:15","startHours":25.65175048525645,"endHours":27.252552085221613,"quality":"inauspicious"},{"name":"Chala","start":"03:15","end":"04:51","startHours":27.252552085221613,"endHours":28.853353685186775,"quality":"neutral"},{"name":"Labha","start":"04:51","end":"06:27","startHours":28.853353685186775,"endHours":30.454155285151938,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:27","end":"07:27","startHours":6.454155285151938,"endHours":7.454155285151938,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:27","end":"08:27","startHours":7.454155285151938,"endHours":8.454155285151938,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:27","end":"09:27","startHours":8.454155285151938,"endHours":9.454155285151938,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:27","end":"10:27","startHours":9.454155285151938,"endHours":10.454155285151938,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:27","end":"11:27","startHours":10.454155285151938,"endHours":11.454155285151938,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:27","end":"12:27","startHours":11.454155285151938,"endHours":12.454155285151938,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:27","end":"13:27","startHours":12.454155285151938,"endHours":13.454155285151938,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:27","end":"14:27","startHours":13.454155285151938,"endHours":14.454155285151938,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:27","end":"15:27","startHours":14.454155285151938,"endHours":15.454155285151938,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:27","end":"16:27","startHours":15.454155285151938,"endHours":16.454155285151938,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:27","end":"17:27","startHours":16.454155285151938,"endHours":17.454155285151938,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:27","end":"18:27","startHours":17.454155285151938,"endHours":18.454155285151938,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:27","end":"19:27","startHours":18.454155285151938,"endHours":19.454155285151938,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:27","end":"20:27","startHours":19.454155285151938,"endHours":20.454155285151938,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:27","end":"21:27","startHours":20.454155285151938,"endHours":21.454155285151938,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:27","end":"22:27","startHours":21.454155285151938,"endHours":22.454155285151938,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:27","end":"23:27","startHours":22.454155285151938,"endHours":23.454155285151938,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:27","end":"00:27","startHours":23.454155285151938,"endHours":24.454155285151938,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:27","end":"01:27","startHours":24.454155285151938,"endHours":25.454155285151938,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:27","end":"02:27","startHours":25.454155285151938,"endHours":26.454155285151938,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:27","end":"03:27","startHours":26.454155285151938,"endHours":27.454155285151938,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:27","end":"04:27","startHours":27.454155285151938,"endHours":28.454155285151938,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:27","end":"05:27","startHours":28.454155285151938,"endHours":29.454155285151938,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:27","end":"06:27","startHours":29.454155285151938,"endHours":30.454155285151938,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"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":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-15.762025571091364,"eotMinutes":-14.295333117477217,"ayanamsa":23.6029}},"calendars":{"vikram_samvat":2039,"vikram_samvatsara":"Yuva","saka_samvat":1904,"saka_samvatsara":"Dundubhi","bengali_samvat":1389,"malayalam_era":1158,"nanakshahi_year":513,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Trayodaśī · Vikram 2039 Yuva · Śaka 1904 Dundubhi"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","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 February 6, 1982 CE · Ranchi, Jharkhand · Vidhyamitra","description":"February 6, 1982 CE for Ranchi, Jharkhand: Śukla Trayodaśī, sūryodaya 06:27, sūryāsta 17:39.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ranchi/1982-02-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ranchi/1982-02-06","sa":"https://sa.vidhyamitra.com/city/ranchi/1982-02-06","hi":"https://hi.vidhyamitra.com/city/ranchi/1982-02-06","x-default":"https://vidhyamitra.com/city/ranchi/1982-02-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T20:39:34.639Z","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":"2026-05-19T20:39:34.639Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T20:39:34.639Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}