{"id":"vidhyamitra:city-day:ranchi:2012-04-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ranchi/2012-04-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-04-12","date_display":"April 12, 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":4,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456029.770833,"kali_year":5113,"ahargana":1867564.2708,"sun":{"sidereal_longitude":358.6243,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":247.4646,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":248.8403,"elapsed_within_tithi_degrees":8.8403},"nakshatra":{"number":19,"name":"Mūla","pada":3,"moon_longitude":247.4646,"elapsed_within_degrees":7.4646},"yoga":{"number":19,"name":"Parigha","sum_longitude":246.089},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":4,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456029.770833,"ahargana":1867564.2708,"kali_year":5113,"ayanamsa_lahiri":24.0245,"grahas":{"sun":{"sidereal_longitude":358.513759,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":250.64155899999992,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false,"latitude":1.5382},"mars":{"sidereal_longitude":129.47985900000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":332.1306589999999,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":21.558959000000016,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":43.282959000000005,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":182.19925899999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":227.4576,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":47.4576,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":2012,"month":4,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456029.770833,"kali_year":5113,"ahargana":1867564.2708,"sun":{"sidereal_longitude":358.6243,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":247.4646,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":248.8403,"elapsed_within_tithi_degrees":8.8403},"nakshatra":{"number":19,"name":"Mūla","pada":3,"moon_longitude":247.4646,"elapsed_within_degrees":7.4646},"yoga":{"number":19,"name":"Parigha","sum_longitude":246.089},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.538,"elongation":111.16},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.538,"opposition_distance":68.84}},"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":"05:31","sunsetLocal":"18:09","solarNoonLocal":"11:50","dayLengthHours":12.631695847189249,"dayLengthDisplay":"12 Hours 37 Mins 54 Secs","nightLengthDisplay":"11 Hours 22 Mins 06 Secs","moonriseLocal":"23:18","moonsetLocal":"09:58","rahuKala":{"name":"Rāhu Kāla","start":"13:25","end":"14:59","startHours":13.409047000224344,"endHours":14.988008981122999,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:31","end":"07:06","startHours":5.514237095731063,"endHours":7.093199076629719,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:40","end":"10:15","startHours":8.672161057528374,"endHours":10.251123038427032,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:28","end":"08:53","startHours":8.461632793408555,"endHours":8.882689321648195,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:02","end":"06:23","startHours":6.040557756030615,"endHours":6.377402978622328,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:25","end":"12:15","startHours":11.409028491086044,"endHours":12.251141547565329,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:50","end":"04:40","startHours":3.830010982772496,"endHours":4.67212403925178,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:28","end":"05:31","startHours":4.461595775131959,"endHours":5.514237095731063,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:56","end":"14:47","startHours":13.935367660523895,"endHours":14.777480717003177,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:57","end":"18:21","startHours":17.94593294292031,"endHours":18.34593294292031,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:09","end":"18:40","startHours":18.14593294292031,"endHours":18.672253603219865,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:54","end":"19:39","startHours":17.89593294292031,"endHours":19.64593294292031,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:25","end":"00:15","startHours":23.409028491086044,"endHours":24.25114154756533,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:31","end":"07:06","startHours":5.514237095731063,"endHours":7.093199076629719,"quality":"auspicious"},{"name":"Roga","start":"07:06","end":"08:40","startHours":7.093199076629719,"endHours":8.672161057528374,"quality":"inauspicious"},{"name":"Udveg","start":"08:40","end":"10:15","startHours":8.672161057528374,"endHours":10.251123038427032,"quality":"inauspicious"},{"name":"Chala","start":"10:15","end":"11:50","startHours":10.251123038427032,"endHours":11.830085019325686,"quality":"neutral"},{"name":"Labha","start":"11:50","end":"13:25","startHours":11.830085019325686,"endHours":13.409047000224344,"quality":"auspicious"},{"name":"Amṛta","start":"13:25","end":"14:59","startHours":13.409047000224344,"endHours":14.988008981122999,"quality":"auspicious"},{"name":"Kāla","start":"14:59","end":"16:34","startHours":14.988008981122999,"endHours":16.566970962021657,"quality":"inauspicious"},{"name":"Śubha","start":"16:34","end":"18:09","startHours":16.566970962021657,"endHours":18.14593294292031,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:09","end":"19:34","startHours":18.14593294292031,"endHours":19.566970962021657,"quality":"auspicious"},{"name":"Kāla","start":"19:34","end":"20:59","startHours":19.566970962021657,"endHours":20.988008981123,"quality":"inauspicious"},{"name":"Śubha","start":"20:59","end":"22:25","startHours":20.988008981123,"endHours":22.40904700022434,"quality":"auspicious"},{"name":"Roga","start":"22:25","end":"23:50","startHours":22.40904700022434,"endHours":23.830085019325686,"quality":"inauspicious"},{"name":"Udveg","start":"23:50","end":"01:15","startHours":23.830085019325686,"endHours":25.251123038427032,"quality":"inauspicious"},{"name":"Chala","start":"01:15","end":"02:40","startHours":25.251123038427032,"endHours":26.672161057528374,"quality":"neutral"},{"name":"Labha","start":"02:40","end":"04:06","startHours":26.672161057528374,"endHours":28.093199076629716,"quality":"auspicious"},{"name":"Amṛta","start":"04:06","end":"05:31","startHours":28.093199076629716,"endHours":29.514237095731062,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:31","end":"06:31","startHours":5.514237095731063,"endHours":6.514237095731063,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:31","end":"07:31","startHours":6.514237095731063,"endHours":7.514237095731063,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:31","end":"08:31","startHours":7.514237095731063,"endHours":8.514237095731062,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:31","end":"09:31","startHours":8.514237095731062,"endHours":9.514237095731062,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:31","end":"10:31","startHours":9.514237095731062,"endHours":10.514237095731062,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:31","end":"11:31","startHours":10.514237095731062,"endHours":11.514237095731062,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:31","end":"12:31","startHours":11.514237095731062,"endHours":12.514237095731062,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:31","end":"13:31","startHours":12.514237095731062,"endHours":13.514237095731062,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:31","end":"14:31","startHours":13.514237095731062,"endHours":14.514237095731062,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:31","end":"15:31","startHours":14.514237095731062,"endHours":15.514237095731062,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:31","end":"16:31","startHours":15.514237095731062,"endHours":16.514237095731062,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:31","end":"17:31","startHours":16.514237095731062,"endHours":17.514237095731062,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:31","end":"18:31","startHours":17.514237095731062,"endHours":18.514237095731062,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:31","end":"19:31","startHours":18.514237095731062,"endHours":19.514237095731062,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:31","end":"20:31","startHours":19.514237095731062,"endHours":20.514237095731062,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:31","end":"21:31","startHours":20.514237095731062,"endHours":21.514237095731062,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:31","end":"22:31","startHours":21.514237095731062,"endHours":22.514237095731062,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:31","end":"23:31","startHours":22.514237095731062,"endHours":23.514237095731062,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:31","end":"00:31","startHours":23.514237095731062,"endHours":24.514237095731062,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:31","end":"01:31","startHours":24.514237095731062,"endHours":25.514237095731062,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:31","end":"02:31","startHours":25.514237095731062,"endHours":26.514237095731062,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:31","end":"03:31","startHours":26.514237095731062,"endHours":27.514237095731062,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:31","end":"04:31","startHours":27.514237095731062,"endHours":28.514237095731062,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:31","end":"05:31","startHours":28.514237095731062,"endHours":29.514237095731062,"planetary_lord":"Moon"}],"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":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"East","rahuVasa":"North-West","anandadiYoga":{"name":"Dhvaja","quality":"Auspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":8.768989925830057,"eotMinutes":-1.043501159541278,"ayanamsa":24.0245}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Kṛṣṇa Ṣaṣṭhī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"festivals":[{"id":"mina-sankranti","name":"Mīna Saṅkrānti","name_sanskrit":"मीन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Pisces; Mīna-māsa begins.","vrata":false,"detection":{"sun_rashi":"Mīna"},"precedence":5}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 April 12, 2012 CE · Ranchi, Jharkhand · Vidhyamitra","description":"April 12, 2012 CE for Ranchi, Jharkhand: Kṛṣṇa Ṣaṣṭhī, sūryodaya 05:31, sūryāsta 18:09.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ranchi/2012-04-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ranchi/2012-04-12","sa":"https://sa.vidhyamitra.com/city/ranchi/2012-04-12","hi":"https://hi.vidhyamitra.com/city/ranchi/2012-04-12","x-default":"https://vidhyamitra.com/city/ranchi/2012-04-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T23:12:08.719Z","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":"2026-05-15T23:12:08.719Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T23:12:08.719Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}