{"id":"vidhyamitra:city-day:howrah:2012-05-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2012-05-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-05-17","date_display":"May 17, 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":5,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456064.770833,"kali_year":5114,"ahargana":1867599.2708,"sun":{"sidereal_longitude":32.4613,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":347.5499,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":315.0886,"elapsed_within_tithi_degrees":3.0886},"nakshatra":{"number":27,"name":"Revatī","pada":1,"moon_longitude":347.5499,"elapsed_within_degrees":0.8832},"yoga":{"number":2,"name":"Prīti","sum_longitude":20.0112},"karana":{"half_tithi_index":52,"name":"Kaulava"},"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":5,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456064.770833,"ahargana":1867599.2708,"kali_year":5114,"ayanamsa_lahiri":24.0259,"grahas":{"sun":{"sidereal_longitude":32.52072199999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":349.627822,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false,"latitude":3.8173},"mars":{"sidereal_longitude":135.13172200000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":20.15432199999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":29.747321999999997,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":59.85072200000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":true},"saturn":{"sidereal_longitude":179.70762200000001,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":225.6031,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":45.6031,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":2012,"month":5,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456064.770833,"kali_year":5114,"ahargana":1867599.2708,"sun":{"sidereal_longitude":32.4613,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":347.5499,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":315.0886,"elapsed_within_tithi_degrees":3.0886},"nakshatra":{"number":27,"name":"Revatī","pada":1,"moon_longitude":347.5499,"elapsed_within_degrees":0.8832},"yoga":{"number":2,"name":"Prīti","sum_longitude":20.0112},"karana":{"half_tithi_index":52,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.817,"elongation":44.911},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.817,"opposition_distance":135.089}},"eclipse_window_40days":[{"offset_days":4,"type":"solar","occurs":true,"moon_latitude":0.597,"elongation":1.466}]},"city":{"slug":"howrah","name":"Howrah, West Bengal","lat":22.5958,"lon":88.2636,"tz_offset_hours":5.5,"state":"West Bengal","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"howrah","name":"Howrah, West Bengal","lat":22.5958,"lon":88.2636,"tz_offset_hours":5.5,"state":"West Bengal","country":"IN","tier":"tier-1"},"sunriseLocal":"04:56","sunsetLocal":"18:11","solarNoonLocal":"11:33","dayLengthHours":13.25152487875662,"dayLengthDisplay":"13 Hours 15 Mins 05 Secs","nightLengthDisplay":"10 Hours 44 Mins 55 Secs","moonriseLocal":"02:30","moonsetLocal":"14:53","rahuKala":{"name":"Rāhu Kāla","start":"13:13","end":"14:52","startHours":13.210185949944357,"endHours":14.866626559788935,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"04:56","end":"06:35","startHours":4.927982900721471,"endHours":6.584423510566048,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:14","end":"09:54","startHours":8.240864120410626,"endHours":9.897304730255204,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:01","end":"08:28","startHours":8.02000537243135,"endHours":8.461722868389902,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:29","end":"05:50","startHours":5.480129770669663,"endHours":5.833503767436506,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:07","end":"12:00","startHours":11.112027844141226,"endHours":11.995462836058335,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:10","end":"04:03","startHours":3.161112916887255,"endHours":4.044547908804363,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:49","end":"04:56","startHours":3.8236891608250856,"endHours":4.927982900721471,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:46","end":"14:39","startHours":13.762332819892551,"endHours":14.645767811809659,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:59","end":"18:23","startHours":17.97950777947809,"endHours":18.37950777947809,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:11","end":"18:44","startHours":18.17950777947809,"endHours":18.731654649426282,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:56","end":"19:41","startHours":17.92950777947809,"endHours":19.67950777947809,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:07","end":"00:00","startHours":23.112027844141227,"endHours":23.995462836058334,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"04:56","end":"06:35","startHours":4.927982900721471,"endHours":6.584423510566048,"quality":"auspicious"},{"name":"Roga","start":"06:35","end":"08:14","startHours":6.584423510566048,"endHours":8.240864120410626,"quality":"inauspicious"},{"name":"Udveg","start":"08:14","end":"09:54","startHours":8.240864120410626,"endHours":9.897304730255204,"quality":"inauspicious"},{"name":"Chala","start":"09:54","end":"11:33","startHours":9.897304730255204,"endHours":11.55374534009978,"quality":"neutral"},{"name":"Labha","start":"11:33","end":"13:13","startHours":11.55374534009978,"endHours":13.210185949944357,"quality":"auspicious"},{"name":"Amṛta","start":"13:13","end":"14:52","startHours":13.210185949944357,"endHours":14.866626559788935,"quality":"auspicious"},{"name":"Kāla","start":"14:52","end":"16:31","startHours":14.866626559788935,"endHours":16.523067169633514,"quality":"inauspicious"},{"name":"Śubha","start":"16:31","end":"18:11","startHours":16.523067169633514,"endHours":18.17950777947809,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:11","end":"19:31","startHours":18.17950777947809,"endHours":19.523067169633514,"quality":"auspicious"},{"name":"Kāla","start":"19:31","end":"20:52","startHours":19.523067169633514,"endHours":20.866626559788934,"quality":"inauspicious"},{"name":"Śubha","start":"20:52","end":"22:13","startHours":20.866626559788934,"endHours":22.210185949944357,"quality":"auspicious"},{"name":"Roga","start":"22:13","end":"23:33","startHours":22.210185949944357,"endHours":23.55374534009978,"quality":"inauspicious"},{"name":"Udveg","start":"23:33","end":"00:54","startHours":23.55374534009978,"endHours":24.897304730255204,"quality":"inauspicious"},{"name":"Chala","start":"00:54","end":"02:14","startHours":24.897304730255204,"endHours":26.240864120410627,"quality":"neutral"},{"name":"Labha","start":"02:14","end":"03:35","startHours":26.240864120410627,"endHours":27.584423510566047,"quality":"auspicious"},{"name":"Amṛta","start":"03:35","end":"04:56","startHours":27.584423510566047,"endHours":28.92798290072147,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"04:56","end":"05:56","startHours":4.927982900721471,"endHours":5.927982900721471,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"05:56","end":"06:56","startHours":5.927982900721471,"endHours":6.927982900721471,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"06:56","end":"07:56","startHours":6.927982900721471,"endHours":7.927982900721471,"planetary_lord":"Moon"},{"name":"Hora 4","start":"07:56","end":"08:56","startHours":7.927982900721471,"endHours":8.92798290072147,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"08:56","end":"09:56","startHours":8.92798290072147,"endHours":9.92798290072147,"planetary_lord":"Venus"},{"name":"Hora 6","start":"09:56","end":"10:56","startHours":9.92798290072147,"endHours":10.92798290072147,"planetary_lord":"Sun"},{"name":"Hora 7","start":"10:56","end":"11:56","startHours":10.92798290072147,"endHours":11.92798290072147,"planetary_lord":"Mars"},{"name":"Hora 8","start":"11:56","end":"12:56","startHours":11.92798290072147,"endHours":12.92798290072147,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"12:56","end":"13:56","startHours":12.92798290072147,"endHours":13.92798290072147,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"13:56","end":"14:56","startHours":13.92798290072147,"endHours":14.92798290072147,"planetary_lord":"Moon"},{"name":"Hora 11","start":"14:56","end":"15:56","startHours":14.92798290072147,"endHours":15.92798290072147,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"15:56","end":"16:56","startHours":15.92798290072147,"endHours":16.92798290072147,"planetary_lord":"Venus"},{"name":"Hora 13","start":"16:56","end":"17:56","startHours":16.92798290072147,"endHours":17.92798290072147,"planetary_lord":"Sun"},{"name":"Hora 14","start":"17:56","end":"18:56","startHours":17.92798290072147,"endHours":18.92798290072147,"planetary_lord":"Mars"},{"name":"Hora 15","start":"18:56","end":"19:56","startHours":18.92798290072147,"endHours":19.92798290072147,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"19:56","end":"20:56","startHours":19.92798290072147,"endHours":20.92798290072147,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"20:56","end":"21:56","startHours":20.92798290072147,"endHours":21.92798290072147,"planetary_lord":"Moon"},{"name":"Hora 18","start":"21:56","end":"22:56","startHours":21.92798290072147,"endHours":22.92798290072147,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"22:56","end":"23:56","startHours":22.92798290072147,"endHours":23.92798290072147,"planetary_lord":"Venus"},{"name":"Hora 20","start":"23:56","end":"00:56","startHours":23.92798290072147,"endHours":24.92798290072147,"planetary_lord":"Sun"},{"name":"Hora 21","start":"00:56","end":"01:56","startHours":24.92798290072147,"endHours":25.92798290072147,"planetary_lord":"Mars"},{"name":"Hora 22","start":"01:56","end":"02:56","startHours":25.92798290072147,"endHours":26.92798290072147,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"02:56","end":"03:56","startHours":26.92798290072147,"endHours":27.92798290072147,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"03:56","end":"04:56","startHours":27.92798290072147,"endHours":28.92798290072147,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Lumba","quality":"Auspicious"},"drikRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":19.380614260318534,"eotMinutes":3.7208795940131294,"ayanamsa":24.0259}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Dvādaśī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"festivals":[{"id":"vrishabha-sankranti","name":"Vṛṣabha Saṅkrānti","name_sanskrit":"वृषभ सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Taurus.","vrata":false,"detection":{"sun_rashi":"Vṛṣabha"},"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":"howrah"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga May 17, 2012 CE · Howrah, West Bengal · Vidhyamitra","description":"May 17, 2012 CE for Howrah, West Bengal: Kṛṣṇa Dvādaśī, sūryodaya 04:56, sūryāsta 18:11.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2012-05-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2012-05-17","sa":"https://sa.vidhyamitra.com/city/howrah/2012-05-17","hi":"https://hi.vidhyamitra.com/city/howrah/2012-05-17","x-default":"https://vidhyamitra.com/city/howrah/2012-05-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T14:32:57.699Z","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":"2026-05-15T14:32:57.699Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T14:32:57.699Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}