{"id":"vidhyamitra:city-day:chicago:2016-07-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chicago/2016-07-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2016-07-18","date_display":"July 18, 2016 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":2016,"month":7,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457587.770833,"kali_year":5118,"ahargana":1869122.2708,"sun":{"sidereal_longitude":91.287,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":247.4525,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":156.1654,"elapsed_within_tithi_degrees":0.1654},"nakshatra":{"number":19,"name":"Mūla","pada":3,"moon_longitude":247.4525,"elapsed_within_degrees":7.4525},"yoga":{"number":26,"name":"Indra","sum_longitude":338.7395},"karana":{"half_tithi_index":26,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2016,"month":7,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457587.770833,"ahargana":1869122.2708,"kali_year":5118,"ayanamsa_lahiri":24.0841,"grahas":{"sun":{"sidereal_longitude":91.77693199999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"moon":{"sidereal_longitude":248.693132,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false,"latitude":4.3923},"mars":{"sidereal_longitude":210.97233200000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":103.63523199999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":144.93773199999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":102.85693200000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":226.05123200000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":144.9072,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":324.9072,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","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":2016,"month":7,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457587.770833,"kali_year":5118,"ahargana":1869122.2708,"sun":{"sidereal_longitude":91.287,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":247.4525,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":156.1654,"elapsed_within_tithi_degrees":0.1654},"nakshatra":{"number":19,"name":"Mūla","pada":3,"moon_longitude":247.4525,"elapsed_within_degrees":7.4525},"yoga":{"number":26,"name":"Indra","sum_longitude":338.7395},"karana":{"half_tithi_index":26,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.392,"elongation":156.165},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.392,"opposition_distance":23.835}},"eclipse_window_40days":[]},"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":"04:31","sunsetLocal":"19:22","solarNoonLocal":"11:56","dayLengthHours":14.850681127141293,"dayLengthDisplay":"14 Hours 51 Mins 02 Secs","nightLengthDisplay":"9 Hours 08 Mins 58 Secs","moonriseLocal":"17:52","moonsetLocal":"02:56","rahuKala":{"name":"Rāhu Kāla","start":"06:22","end":"08:14","startHours":6.3705798459971685,"endHours":8.226914986889831,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:05","end":"11:56","startHours":10.083250127782492,"endHours":11.939585268675152,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:48","end":"15:39","startHours":13.795920409567813,"endHours":15.652255550460477,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"07:59","end":"08:28","startHours":7.979403634770809,"endHours":8.474426339008852,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:08","end":"05:32","startHours":5.133023085402061,"endHours":5.529041248792495,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:27","end":"12:26","startHours":11.44456256443711,"endHours":12.434607972913195,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"02:32","end":"03:31","startHours":2.5341538881523347,"endHours":3.524199296628421,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:17","end":"04:31","startHours":3.276687944509399,"endHours":4.514244705104507,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:25","end":"15:24","startHours":14.41469878986537,"endHours":15.404744198341456,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:10","end":"19:34","startHours":19.1649258322458,"endHours":19.564925832245798,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:22","end":"19:59","startHours":19.3649258322458,"endHours":19.98370421254335,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:07","end":"20:52","startHours":19.1149258322458,"endHours":20.8649258322458,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:27","end":"00:26","startHours":23.44456256443711,"endHours":24.434607972913195,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"04:31","end":"06:22","startHours":4.514244705104507,"endHours":6.3705798459971685,"quality":"auspicious"},{"name":"Kāla","start":"06:22","end":"08:14","startHours":6.3705798459971685,"endHours":8.226914986889831,"quality":"inauspicious"},{"name":"Śubha","start":"08:14","end":"10:05","startHours":8.226914986889831,"endHours":10.083250127782492,"quality":"auspicious"},{"name":"Roga","start":"10:05","end":"11:56","startHours":10.083250127782492,"endHours":11.939585268675152,"quality":"inauspicious"},{"name":"Udveg","start":"11:56","end":"13:48","startHours":11.939585268675152,"endHours":13.795920409567813,"quality":"inauspicious"},{"name":"Chala","start":"13:48","end":"15:39","startHours":13.795920409567813,"endHours":15.652255550460477,"quality":"neutral"},{"name":"Labha","start":"15:39","end":"17:31","startHours":15.652255550460477,"endHours":17.508590691353138,"quality":"auspicious"},{"name":"Amṛta","start":"17:31","end":"19:22","startHours":17.508590691353138,"endHours":19.3649258322458,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"19:22","end":"20:31","startHours":19.3649258322458,"endHours":20.508590691353138,"quality":"neutral"},{"name":"Labha","start":"20:31","end":"21:39","startHours":20.508590691353138,"endHours":21.652255550460474,"quality":"auspicious"},{"name":"Amṛta","start":"21:39","end":"22:48","startHours":21.652255550460474,"endHours":22.795920409567813,"quality":"auspicious"},{"name":"Kāla","start":"22:48","end":"23:56","startHours":22.795920409567813,"endHours":23.939585268675152,"quality":"inauspicious"},{"name":"Śubha","start":"23:56","end":"01:05","startHours":23.939585268675152,"endHours":25.08325012778249,"quality":"auspicious"},{"name":"Roga","start":"01:05","end":"02:14","startHours":25.08325012778249,"endHours":26.22691498688983,"quality":"inauspicious"},{"name":"Udveg","start":"02:14","end":"03:22","startHours":26.22691498688983,"endHours":27.370579845997167,"quality":"inauspicious"},{"name":"Chala","start":"03:22","end":"04:31","startHours":27.370579845997167,"endHours":28.514244705104506,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"04:31","end":"05:31","startHours":4.514244705104507,"endHours":5.514244705104507,"planetary_lord":"Moon"},{"name":"Hora 2","start":"05:31","end":"06:31","startHours":5.514244705104507,"endHours":6.514244705104507,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"06:31","end":"07:31","startHours":6.514244705104507,"endHours":7.514244705104507,"planetary_lord":"Venus"},{"name":"Hora 4","start":"07:31","end":"08:31","startHours":7.514244705104507,"endHours":8.514244705104506,"planetary_lord":"Sun"},{"name":"Hora 5","start":"08:31","end":"09:31","startHours":8.514244705104506,"endHours":9.514244705104506,"planetary_lord":"Mars"},{"name":"Hora 6","start":"09:31","end":"10:31","startHours":9.514244705104506,"endHours":10.514244705104506,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"10:31","end":"11:31","startHours":10.514244705104506,"endHours":11.514244705104506,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"11:31","end":"12:31","startHours":11.514244705104506,"endHours":12.514244705104506,"planetary_lord":"Moon"},{"name":"Hora 9","start":"12:31","end":"13:31","startHours":12.514244705104506,"endHours":13.514244705104506,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"13:31","end":"14:31","startHours":13.514244705104506,"endHours":14.514244705104506,"planetary_lord":"Venus"},{"name":"Hora 11","start":"14:31","end":"15:31","startHours":14.514244705104506,"endHours":15.514244705104506,"planetary_lord":"Sun"},{"name":"Hora 12","start":"15:31","end":"16:31","startHours":15.514244705104506,"endHours":16.514244705104506,"planetary_lord":"Mars"},{"name":"Hora 13","start":"16:31","end":"17:31","startHours":16.514244705104506,"endHours":17.514244705104506,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"17:31","end":"18:31","startHours":17.514244705104506,"endHours":18.514244705104506,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"18:31","end":"19:31","startHours":18.514244705104506,"endHours":19.514244705104506,"planetary_lord":"Moon"},{"name":"Hora 16","start":"19:31","end":"20:31","startHours":19.514244705104506,"endHours":20.514244705104506,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"20:31","end":"21:31","startHours":20.514244705104506,"endHours":21.514244705104506,"planetary_lord":"Venus"},{"name":"Hora 18","start":"21:31","end":"22:31","startHours":21.514244705104506,"endHours":22.514244705104506,"planetary_lord":"Sun"},{"name":"Hora 19","start":"22:31","end":"23:31","startHours":22.514244705104506,"endHours":23.514244705104506,"planetary_lord":"Mars"},{"name":"Hora 20","start":"23:31","end":"00:31","startHours":23.514244705104506,"endHours":24.514244705104506,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"00:31","end":"01:31","startHours":24.514244705104506,"endHours":25.514244705104506,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"01:31","end":"02:31","startHours":25.514244705104506,"endHours":26.514244705104506,"planetary_lord":"Moon"},{"name":"Hora 23","start":"02:31","end":"03:31","startHours":26.514244705104506,"endHours":27.514244705104506,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"03:31","end":"04:31","startHours":27.514244705104506,"endHours":28.514244705104506,"planetary_lord":"Venus"}],"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":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"drikRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":20.97136987240582,"eotMinutes":-5.85591612050904,"ayanamsa":24.0841}},"calendars":{"vikram_samvat":2073,"vikram_samvatsara":"Saumya","saka_samvat":1938,"saka_samvatsara":"Durmukhi","bengali_samvat":1423,"malayalam_era":1192,"nanakshahi_year":547,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Caturdaśī · Vikram 2073 Saumya · Śaka 1938 Durmukhi"},"festivals":[{"id":"karka-sankranti","name":"Karka Saṅkrānti (Dakṣiṇāyana)","name_sanskrit":"कर्क सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Cancer; Dakṣiṇāyana (south-going) begins. Devatā-rātri begins.","vrata":true,"detection":{"sun_rashi":"Karka"},"precedence":2}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 July 18, 2016 CE · Chicago, USA · Vidhyamitra","description":"July 18, 2016 CE for Chicago, USA: Śukla Caturdaśī, sūryodaya 04:31, sūryāsta 19:22.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chicago/2016-07-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chicago/2016-07-18","sa":"https://sa.vidhyamitra.com/city/chicago/2016-07-18","hi":"https://hi.vidhyamitra.com/city/chicago/2016-07-18","x-default":"https://vidhyamitra.com/city/chicago/2016-07-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T16:24:05.932Z","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":"2026-05-15T16:24:05.932Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T16:24:05.932Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}