{"id":"vidhyamitra:city-day:chicago:2012-05-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chicago/2012-05-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-05-16","date_display":"May 16, 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":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456063.770833,"kali_year":5114,"ahargana":1867598.2708,"sun":{"sidereal_longitude":31.5037,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":335.0678,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":303.5641,"elapsed_within_tithi_degrees":3.5641},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1,"moon_longitude":335.0678,"elapsed_within_degrees":1.7345},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":6.5715},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456063.770833,"ahargana":1867598.2708,"kali_year":5114,"ayanamsa_lahiri":24.0258,"grahas":{"sun":{"sidereal_longitude":31.556960000000004,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":337.61846,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false,"latitude":4.2437},"mars":{"sidereal_longitude":134.82155999999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":18.18495999999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":29.511059999999986,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":59.88986,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":true},"saturn":{"sidereal_longitude":179.76656000000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":225.6561,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":45.6561,"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":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456063.770833,"kali_year":5114,"ahargana":1867598.2708,"sun":{"sidereal_longitude":31.5037,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":335.0678,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":303.5641,"elapsed_within_tithi_degrees":3.5641},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1,"moon_longitude":335.0678,"elapsed_within_degrees":1.7345},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":6.5715},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.244,"elongation":56.436},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.244,"opposition_distance":123.564}},"eclipse_window_40days":[{"offset_days":5,"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":"04:29","sunsetLocal":"19:04","solarNoonLocal":"11:47","dayLengthHours":14.585978593887225,"dayLengthDisplay":"14 Hours 35 Mins 10 Secs","nightLengthDisplay":"9 Hours 24 Mins 50 Secs","moonriseLocal":"02:06","moonsetLocal":"14:16","rahuKala":{"name":"Rāhu Kāla","start":"11:47","end":"13:36","startHours":11.779599084020209,"endHours":13.602846408256113,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:19","end":"08:08","startHours":6.309857111312501,"endHours":8.133104435548404,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:57","end":"11:47","startHours":9.956351759784306,"endHours":11.779599084020209,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"07:53","end":"08:23","startHours":7.890004792316949,"endHours":8.376204078779857,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:06","end":"05:29","startHours":5.094358895155231,"endHours":5.483318324325557,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:18","end":"12:16","startHours":11.293399797557301,"endHours":12.265798370483116,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"02:33","end":"03:31","startHours":2.5418126412249675,"endHours":3.5142112141507824,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:16","end":"04:29","startHours":3.2711115709193286,"endHours":4.486609787076597,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:13","end":"15:11","startHours":14.210595516334747,"endHours":15.182994089260562,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:52","end":"19:16","startHours":18.872588380963823,"endHours":19.27258838096382,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:04","end":"19:41","startHours":19.072588380963822,"endHours":19.680337489042458,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:49","end":"20:34","startHours":18.822588380963822,"endHours":20.572588380963822,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:18","end":"00:16","startHours":23.293399797557303,"endHours":24.265798370483115,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"04:29","end":"06:19","startHours":4.486609787076597,"endHours":6.309857111312501,"quality":"auspicious"},{"name":"Amṛta","start":"06:19","end":"08:08","startHours":6.309857111312501,"endHours":8.133104435548404,"quality":"auspicious"},{"name":"Kāla","start":"08:08","end":"09:57","startHours":8.133104435548404,"endHours":9.956351759784306,"quality":"inauspicious"},{"name":"Śubha","start":"09:57","end":"11:47","startHours":9.956351759784306,"endHours":11.779599084020209,"quality":"auspicious"},{"name":"Roga","start":"11:47","end":"13:36","startHours":11.779599084020209,"endHours":13.602846408256113,"quality":"inauspicious"},{"name":"Udveg","start":"13:36","end":"15:26","startHours":13.602846408256113,"endHours":15.426093732492015,"quality":"inauspicious"},{"name":"Chala","start":"15:26","end":"17:15","startHours":15.426093732492015,"endHours":17.24934105672792,"quality":"neutral"},{"name":"Labha","start":"17:15","end":"19:04","startHours":17.24934105672792,"endHours":19.072588380963822,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"19:04","end":"20:15","startHours":19.072588380963822,"endHours":20.249341056727918,"quality":"inauspicious"},{"name":"Chala","start":"20:15","end":"21:26","startHours":20.249341056727918,"endHours":21.426093732492017,"quality":"neutral"},{"name":"Labha","start":"21:26","end":"22:36","startHours":21.426093732492017,"endHours":22.602846408256113,"quality":"auspicious"},{"name":"Amṛta","start":"22:36","end":"23:47","startHours":22.602846408256113,"endHours":23.77959908402021,"quality":"auspicious"},{"name":"Kāla","start":"23:47","end":"00:57","startHours":23.77959908402021,"endHours":24.956351759784305,"quality":"inauspicious"},{"name":"Śubha","start":"00:57","end":"02:08","startHours":24.956351759784305,"endHours":26.133104435548404,"quality":"auspicious"},{"name":"Roga","start":"02:08","end":"03:19","startHours":26.133104435548404,"endHours":27.3098571113125,"quality":"inauspicious"},{"name":"Udveg","start":"03:19","end":"04:29","startHours":27.3098571113125,"endHours":28.486609787076596,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"04:29","end":"05:29","startHours":4.486609787076597,"endHours":5.486609787076597,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"05:29","end":"06:29","startHours":5.486609787076597,"endHours":6.486609787076597,"planetary_lord":"Venus"},{"name":"Hora 3","start":"06:29","end":"07:29","startHours":6.486609787076597,"endHours":7.486609787076597,"planetary_lord":"Sun"},{"name":"Hora 4","start":"07:29","end":"08:29","startHours":7.486609787076597,"endHours":8.486609787076597,"planetary_lord":"Mars"},{"name":"Hora 5","start":"08:29","end":"09:29","startHours":8.486609787076597,"endHours":9.486609787076597,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"09:29","end":"10:29","startHours":9.486609787076597,"endHours":10.486609787076597,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"10:29","end":"11:29","startHours":10.486609787076597,"endHours":11.486609787076597,"planetary_lord":"Moon"},{"name":"Hora 8","start":"11:29","end":"12:29","startHours":11.486609787076597,"endHours":12.486609787076597,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"12:29","end":"13:29","startHours":12.486609787076597,"endHours":13.486609787076597,"planetary_lord":"Venus"},{"name":"Hora 10","start":"13:29","end":"14:29","startHours":13.486609787076597,"endHours":14.486609787076597,"planetary_lord":"Sun"},{"name":"Hora 11","start":"14:29","end":"15:29","startHours":14.486609787076597,"endHours":15.486609787076597,"planetary_lord":"Mars"},{"name":"Hora 12","start":"15:29","end":"16:29","startHours":15.486609787076597,"endHours":16.486609787076596,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"16:29","end":"17:29","startHours":16.486609787076596,"endHours":17.486609787076596,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"17:29","end":"18:29","startHours":17.486609787076596,"endHours":18.486609787076596,"planetary_lord":"Moon"},{"name":"Hora 15","start":"18:29","end":"19:29","startHours":18.486609787076596,"endHours":19.486609787076596,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"19:29","end":"20:29","startHours":19.486609787076596,"endHours":20.486609787076596,"planetary_lord":"Venus"},{"name":"Hora 17","start":"20:29","end":"21:29","startHours":20.486609787076596,"endHours":21.486609787076596,"planetary_lord":"Sun"},{"name":"Hora 18","start":"21:29","end":"22:29","startHours":21.486609787076596,"endHours":22.486609787076596,"planetary_lord":"Mars"},{"name":"Hora 19","start":"22:29","end":"23:29","startHours":22.486609787076596,"endHours":23.486609787076596,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"23:29","end":"00:29","startHours":23.486609787076596,"endHours":24.486609787076596,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"00:29","end":"01:29","startHours":24.486609787076596,"endHours":25.486609787076596,"planetary_lord":"Moon"},{"name":"Hora 22","start":"01:29","end":"02:29","startHours":25.486609787076596,"endHours":26.486609787076596,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"02:29","end":"03:29","startHours":26.486609787076596,"endHours":27.486609787076596,"planetary_lord":"Venus"},{"name":"Hora 24","start":"03:29","end":"04:29","startHours":27.486609787076596,"endHours":28.486609787076596,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"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":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"South-West","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"drikRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":19.153905859412333,"eotMinutes":3.743254958787478,"ayanamsa":24.0258}},"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 Ekādaśī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"festivals":[{"id":"apara-ekadashi","name":"Aparā Ekādaśī","name_sanskrit":"अपरा एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Boundless (aparā) merit; removes brahma-hatyā even.","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Jyeṣṭha"},"precedence":4},{"id":"yogini-ekadashi","name":"Yoginī Ekādaśī","name_sanskrit":"योगिनी एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Removes the curse of Kubera; equivalent to feeding 88,000 brāhmaṇas.","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Jyeṣṭha"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5},{"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":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 16, 2012 CE · Chicago, USA · Vidhyamitra","description":"May 16, 2012 CE for Chicago, USA: Kṛṣṇa Ekādaśī, sūryodaya 04:29, sūryāsta 19:04.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chicago/2012-05-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chicago/2012-05-16","sa":"https://sa.vidhyamitra.com/city/chicago/2012-05-16","hi":"https://hi.vidhyamitra.com/city/chicago/2012-05-16","x-default":"https://vidhyamitra.com/city/chicago/2012-05-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T16:42:52.504Z","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":"2026-05-15T16:42:52.504Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T16:42:52.504Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}