{"id":"vidhyamitra:city-day:chicago:2012-05-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chicago/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":"chicago","name":"Chicago, USA","lat":41.8781,"lon":-87.6298,"tz_offset_hours":-6,"country":"US","tier":"diaspora"},"tier2":{"city":{"slug":"chicago","name":"Chicago, USA","lat":41.8781,"lon":-87.6298,"tz_offset_hours":-6,"country":"US","tier":"diaspora"},"sunriseLocal":"04:28","sunsetLocal":"19:05","solarNoonLocal":"11:47","dayLengthHours":14.618476843955063,"dayLengthDisplay":"14 Hours 37 Mins 07 Secs","nightLengthDisplay":"9 Hours 22 Mins 53 Secs","moonriseLocal":"02:33","moonsetLocal":"15:18","rahuKala":{"name":"Rāhu Kāla","start":"13:36","end":"15:26","startHours":13.607281612260833,"endHours":15.434591217755216,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"04:28","end":"06:18","startHours":4.470733584788919,"endHours":6.298043190283302,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:08","end":"09:57","startHours":8.125352795777685,"endHours":9.952662401272068,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"07:53","end":"08:22","startHours":7.8817115150451,"endHours":8.368994076510269,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:05","end":"05:28","startHours":5.07983678662038,"endHours":5.469662835792515,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:18","end":"12:16","startHours":11.292689445301281,"endHours":12.267254568231618,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"02:31","end":"03:30","startHours":2.5216033389282435,"endHours":3.496168461858581,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:15","end":"04:28","startHours":3.2525271811259966,"endHours":4.470733584788919,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:13","end":"15:11","startHours":14.216384814092295,"endHours":15.190949937022634,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:53","end":"19:17","startHours":18.889210428743983,"endHours":19.28921042874398,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:05","end":"19:42","startHours":19.089210428743982,"endHours":19.69831363057544,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:50","end":"20:35","startHours":18.839210428743982,"endHours":20.589210428743982,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:18","end":"00:16","startHours":23.29268944530128,"endHours":24.267254568231618,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"04:28","end":"06:18","startHours":4.470733584788919,"endHours":6.298043190283302,"quality":"auspicious"},{"name":"Roga","start":"06:18","end":"08:08","startHours":6.298043190283302,"endHours":8.125352795777685,"quality":"inauspicious"},{"name":"Udveg","start":"08:08","end":"09:57","startHours":8.125352795777685,"endHours":9.952662401272068,"quality":"inauspicious"},{"name":"Chala","start":"09:57","end":"11:47","startHours":9.952662401272068,"endHours":11.77997200676645,"quality":"neutral"},{"name":"Labha","start":"11:47","end":"13:36","startHours":11.77997200676645,"endHours":13.607281612260833,"quality":"auspicious"},{"name":"Amṛta","start":"13:36","end":"15:26","startHours":13.607281612260833,"endHours":15.434591217755216,"quality":"auspicious"},{"name":"Kāla","start":"15:26","end":"17:16","startHours":15.434591217755216,"endHours":17.261900823249597,"quality":"inauspicious"},{"name":"Śubha","start":"17:16","end":"19:05","startHours":17.261900823249597,"endHours":19.089210428743982,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:05","end":"20:16","startHours":19.089210428743982,"endHours":20.2619008232496,"quality":"auspicious"},{"name":"Kāla","start":"20:16","end":"21:26","startHours":20.2619008232496,"endHours":21.434591217755216,"quality":"inauspicious"},{"name":"Śubha","start":"21:26","end":"22:36","startHours":21.434591217755216,"endHours":22.607281612260834,"quality":"auspicious"},{"name":"Roga","start":"22:36","end":"23:47","startHours":22.607281612260834,"endHours":23.77997200676645,"quality":"inauspicious"},{"name":"Udveg","start":"23:47","end":"00:57","startHours":23.77997200676645,"endHours":24.952662401272068,"quality":"inauspicious"},{"name":"Chala","start":"00:57","end":"02:08","startHours":24.952662401272068,"endHours":26.125352795777687,"quality":"neutral"},{"name":"Labha","start":"02:08","end":"03:18","startHours":26.125352795777687,"endHours":27.298043190283302,"quality":"auspicious"},{"name":"Amṛta","start":"03:18","end":"04:28","startHours":27.298043190283302,"endHours":28.470733584788917,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"04:28","end":"05:28","startHours":4.470733584788919,"endHours":5.470733584788919,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"05:28","end":"06:28","startHours":5.470733584788919,"endHours":6.470733584788919,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"06:28","end":"07:28","startHours":6.470733584788919,"endHours":7.470733584788919,"planetary_lord":"Moon"},{"name":"Hora 4","start":"07:28","end":"08:28","startHours":7.470733584788919,"endHours":8.470733584788919,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"08:28","end":"09:28","startHours":8.470733584788919,"endHours":9.470733584788919,"planetary_lord":"Venus"},{"name":"Hora 6","start":"09:28","end":"10:28","startHours":9.470733584788919,"endHours":10.470733584788919,"planetary_lord":"Sun"},{"name":"Hora 7","start":"10:28","end":"11:28","startHours":10.470733584788919,"endHours":11.470733584788919,"planetary_lord":"Mars"},{"name":"Hora 8","start":"11:28","end":"12:28","startHours":11.470733584788919,"endHours":12.470733584788919,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"12:28","end":"13:28","startHours":12.470733584788919,"endHours":13.470733584788919,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"13:28","end":"14:28","startHours":13.470733584788919,"endHours":14.470733584788919,"planetary_lord":"Moon"},{"name":"Hora 11","start":"14:28","end":"15:28","startHours":14.470733584788919,"endHours":15.470733584788919,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"15:28","end":"16:28","startHours":15.470733584788919,"endHours":16.470733584788917,"planetary_lord":"Venus"},{"name":"Hora 13","start":"16:28","end":"17:28","startHours":16.470733584788917,"endHours":17.470733584788917,"planetary_lord":"Sun"},{"name":"Hora 14","start":"17:28","end":"18:28","startHours":17.470733584788917,"endHours":18.470733584788917,"planetary_lord":"Mars"},{"name":"Hora 15","start":"18:28","end":"19:28","startHours":18.470733584788917,"endHours":19.470733584788917,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"19:28","end":"20:28","startHours":19.470733584788917,"endHours":20.470733584788917,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"20:28","end":"21:28","startHours":20.470733584788917,"endHours":21.470733584788917,"planetary_lord":"Moon"},{"name":"Hora 18","start":"21:28","end":"22:28","startHours":21.470733584788917,"endHours":22.470733584788917,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"22:28","end":"23:28","startHours":22.470733584788917,"endHours":23.470733584788917,"planetary_lord":"Venus"},{"name":"Hora 20","start":"23:28","end":"00:28","startHours":23.470733584788917,"endHours":24.470733584788917,"planetary_lord":"Sun"},{"name":"Hora 21","start":"00:28","end":"01:28","startHours":24.470733584788917,"endHours":25.470733584788917,"planetary_lord":"Mars"},{"name":"Hora 22","start":"01:28","end":"02:28","startHours":25.470733584788917,"endHours":26.470733584788917,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"02:28","end":"03:28","startHours":26.470733584788917,"endHours":27.470733584788917,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"03:28","end":"04:28","startHours":27.470733584788917,"endHours":28.470733584788917,"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":"chicago"},"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 · Chicago, USA · Vidhyamitra","description":"May 17, 2012 CE for Chicago, USA: Kṛṣṇa Dvādaśī, sūryodaya 04:28, sūryāsta 19:05.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chicago/2012-05-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chicago/2012-05-17","sa":"https://sa.vidhyamitra.com/city/chicago/2012-05-17","hi":"https://hi.vidhyamitra.com/city/chicago/2012-05-17","x-default":"https://vidhyamitra.com/city/chicago/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":"2026-05-15T17:55:21.012Z","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":"2026-05-15T17:55:21.012Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T17:55:21.012Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}