{"id":"vidhyamitra:city-day:ranchi:2012-02-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ranchi/2012-02-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-02-04","date_display":"February 4, 2012 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":2012,"month":2,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455961.770833,"kali_year":5113,"ahargana":1867496.2708,"sun":{"sidereal_longitude":290.5933,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":63.1438,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":132.5505,"elapsed_within_tithi_degrees":0.5505},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3,"moon_longitude":63.1438,"elapsed_within_degrees":9.8105},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":353.7371},"karana":{"half_tithi_index":22,"name":"Bava"},"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":2012,"month":2,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455961.770833,"ahargana":1867496.2708,"kali_year":5113,"ayanamsa_lahiri":24.0219,"grahas":{"sun":{"sidereal_longitude":290.589257,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":63.271457,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false,"latitude":-0.9411},"mars":{"sidereal_longitude":148.07795699999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":288.043457,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":8.817656999999997,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":330.82495700000004,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":185.21695699999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":231.0605,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":51.0605,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":2012,"month":2,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455961.770833,"kali_year":5113,"ahargana":1867496.2708,"sun":{"sidereal_longitude":290.5933,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":63.1438,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":132.5505,"elapsed_within_tithi_degrees":0.5505},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3,"moon_longitude":63.1438,"elapsed_within_degrees":9.8105},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":353.7371},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.941,"elongation":132.551},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.941,"opposition_distance":47.449}},"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":"06:28","sunsetLocal":"17:37","solarNoonLocal":"12:03","dayLengthHours":11.15102075965142,"dayLengthDisplay":"11 Hours 09 Mins 04 Secs","nightLengthDisplay":"12 Hours 50 Mins 56 Secs","moonriseLocal":"14:08","moonsetLocal":"03:39","rahuKala":{"name":"Rāhu Kāla","start":"09:16","end":"10:39","startHours":9.259800216220368,"endHours":10.653677811176795,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:26","end":"14:50","startHours":13.44143300108965,"endHours":14.835310596046078,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:28","end":"07:52","startHours":6.472045026307513,"endHours":7.865922621263941,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:04","end":"09:27","startHours":9.073949870226178,"endHours":9.445650562214558,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:56","end":"07:14","startHours":6.936670891292989,"endHours":7.234031444883693,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:41","end":"12:25","startHours":11.675854714144842,"endHours":12.419256098121602,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:59","end":"05:44","startHours":4.98524225835399,"endHours":5.728643642330752,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:33","end":"06:28","startHours":5.542793296336561,"endHours":6.472045026307513,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:54","end":"14:39","startHours":13.906058866075128,"endHours":14.64946025005189,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:25","end":"17:49","startHours":17.423065785958933,"endHours":17.82306578595893,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:37","end":"18:05","startHours":17.623065785958932,"endHours":18.087691650944407,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:22","end":"19:07","startHours":17.373065785958932,"endHours":19.123065785958932,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:41","end":"00:25","startHours":23.67585471414484,"endHours":24.4192560981216,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:28","end":"07:52","startHours":6.472045026307513,"endHours":7.865922621263941,"quality":"inauspicious"},{"name":"Śubha","start":"07:52","end":"09:16","startHours":7.865922621263941,"endHours":9.259800216220368,"quality":"auspicious"},{"name":"Roga","start":"09:16","end":"10:39","startHours":9.259800216220368,"endHours":10.653677811176795,"quality":"inauspicious"},{"name":"Udveg","start":"10:39","end":"12:03","startHours":10.653677811176795,"endHours":12.047555406133224,"quality":"inauspicious"},{"name":"Chala","start":"12:03","end":"13:26","startHours":12.047555406133224,"endHours":13.44143300108965,"quality":"neutral"},{"name":"Labha","start":"13:26","end":"14:50","startHours":13.44143300108965,"endHours":14.835310596046078,"quality":"auspicious"},{"name":"Amṛta","start":"14:50","end":"16:14","startHours":14.835310596046078,"endHours":16.229188191002507,"quality":"auspicious"},{"name":"Kāla","start":"16:14","end":"17:37","startHours":16.229188191002507,"endHours":17.623065785958932,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:37","end":"19:14","startHours":17.623065785958932,"endHours":19.229188191002503,"quality":"auspicious"},{"name":"Amṛta","start":"19:14","end":"20:50","startHours":19.229188191002503,"endHours":20.835310596046078,"quality":"auspicious"},{"name":"Kāla","start":"20:50","end":"22:26","startHours":20.835310596046078,"endHours":22.44143300108965,"quality":"inauspicious"},{"name":"Śubha","start":"22:26","end":"00:03","startHours":22.44143300108965,"endHours":24.04755540613322,"quality":"auspicious"},{"name":"Roga","start":"00:03","end":"01:39","startHours":24.04755540613322,"endHours":25.653677811176795,"quality":"inauspicious"},{"name":"Udveg","start":"01:39","end":"03:16","startHours":25.653677811176795,"endHours":27.259800216220366,"quality":"inauspicious"},{"name":"Chala","start":"03:16","end":"04:52","startHours":27.259800216220366,"endHours":28.86592262126394,"quality":"neutral"},{"name":"Labha","start":"04:52","end":"06:28","startHours":28.86592262126394,"endHours":30.472045026307512,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:28","end":"07:28","startHours":6.472045026307513,"endHours":7.472045026307513,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:28","end":"08:28","startHours":7.472045026307513,"endHours":8.472045026307512,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:28","end":"09:28","startHours":8.472045026307512,"endHours":9.472045026307512,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:28","end":"10:28","startHours":9.472045026307512,"endHours":10.472045026307512,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:28","end":"11:28","startHours":10.472045026307512,"endHours":11.472045026307512,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:28","end":"12:28","startHours":11.472045026307512,"endHours":12.472045026307512,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:28","end":"13:28","startHours":12.472045026307512,"endHours":13.472045026307512,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:28","end":"14:28","startHours":13.472045026307512,"endHours":14.472045026307512,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:28","end":"15:28","startHours":14.472045026307512,"endHours":15.472045026307512,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:28","end":"16:28","startHours":15.472045026307512,"endHours":16.472045026307512,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:28","end":"17:28","startHours":16.472045026307512,"endHours":17.472045026307512,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:28","end":"18:28","startHours":17.472045026307512,"endHours":18.472045026307512,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:28","end":"19:28","startHours":18.472045026307512,"endHours":19.472045026307512,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:28","end":"20:28","startHours":19.472045026307512,"endHours":20.472045026307512,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:28","end":"21:28","startHours":20.472045026307512,"endHours":21.472045026307512,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:28","end":"22:28","startHours":21.472045026307512,"endHours":22.472045026307512,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:28","end":"23:28","startHours":22.472045026307512,"endHours":23.472045026307512,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:28","end":"00:28","startHours":23.472045026307512,"endHours":24.472045026307512,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:28","end":"01:28","startHours":24.472045026307512,"endHours":25.472045026307512,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:28","end":"02:28","startHours":25.472045026307512,"endHours":26.472045026307512,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:28","end":"03:28","startHours":26.472045026307512,"endHours":27.472045026307512,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:28","end":"04:28","startHours":27.472045026307512,"endHours":28.472045026307512,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:28","end":"05:28","startHours":28.472045026307512,"endHours":29.472045026307512,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:28","end":"06:28","startHours":29.472045026307512,"endHours":30.472045026307512,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"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":"Ānanda","quality":"Auspicious"},"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":-16.447788195863623,"eotMinutes":-14.091724367993354,"ayanamsa":24.0219}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Dvādaśī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"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}],"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":[]},"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 4, 2012 CE · Ranchi, Jharkhand · Vidhyamitra","description":"February 4, 2012 CE for Ranchi, Jharkhand: Śukla Dvādaśī, sūryodaya 06:28, sūryāsta 17:37.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ranchi/2012-02-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ranchi/2012-02-04","sa":"https://sa.vidhyamitra.com/city/ranchi/2012-02-04","hi":"https://hi.vidhyamitra.com/city/ranchi/2012-02-04","x-default":"https://vidhyamitra.com/city/ranchi/2012-02-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T17:51:13.763Z","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":"2026-05-15T17:51:13.763Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T17:51:13.763Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}