{"id":"vidhyamitra:city-day:chicago:2026-07-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chicago/2026-07-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2026-07-17","date_display":"July 17, 2026 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":2026,"month":7,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461238.770833,"kali_year":5128,"ahargana":1872773.2708,"sun":{"sidereal_longitude":89.7828,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":125.0664,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":35.2836,"elapsed_within_tithi_degrees":11.2836},"nakshatra":{"number":10,"name":"Maghā","pada":2,"moon_longitude":125.0664,"elapsed_within_degrees":5.0664},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":214.8492},"karana":{"half_tithi_index":5,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2026,"month":7,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461238.770833,"ahargana":1872773.2708,"kali_year":5128,"ayanamsa_lahiri":24.2238,"grahas":{"sun":{"sidereal_longitude":90.28673700000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"moon":{"sidereal_longitude":126.24133700000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false,"latitude":0.5006},"mars":{"sidereal_longitude":48.246937,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":83.588637,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":99.23413700000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"venus":{"sidereal_longitude":133.476337,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":350.49773700000003,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":311.4597,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":131.4597,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"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":2026,"month":7,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461238.770833,"kali_year":5128,"ahargana":1872773.2708,"sun":{"sidereal_longitude":89.7828,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":125.0664,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":35.2836,"elapsed_within_tithi_degrees":11.2836},"nakshatra":{"number":10,"name":"Maghā","pada":2,"moon_longitude":125.0664,"elapsed_within_degrees":5.0664},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":214.8492},"karana":{"half_tithi_index":5,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.501,"elongation":35.284},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.501,"opposition_distance":144.716}},"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":"04:30","sunsetLocal":"19:23","solarNoonLocal":"11:56","dayLengthHours":14.887129475352204,"dayLengthDisplay":"14 Hours 53 Mins 14 Secs","nightLengthDisplay":"9 Hours 06 Mins 46 Secs","moonriseLocal":"07:36","moonsetLocal":"21:05","rahuKala":{"name":"Rāhu Kāla","start":"10:05","end":"11:56","startHours":10.07732186390262,"endHours":11.938213048321646,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:40","end":"17:31","startHours":15.659995417159696,"endHours":17.520886601578724,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:21","end":"08:13","startHours":6.355539495064569,"endHours":8.216430679483594,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"07:58","end":"08:28","startHours":7.968311854894392,"endHours":8.464549504072798,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:07","end":"05:31","startHours":5.1149453721185525,"endHours":5.511935491461278,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:27","end":"12:26","startHours":11.44197539914324,"endHours":12.434450697500052,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"02:31","end":"03:30","startHours":2.5096977139319163,"endHours":3.50217301228873,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:15","end":"04:30","startHours":3.254054187699527,"endHours":4.494648310645544,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:25","end":"15:25","startHours":14.419401294213678,"endHours":15.411876592570492,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:11","end":"19:35","startHours":19.18177778599775,"endHours":19.581777785997748,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:23","end":"20:00","startHours":19.38177778599775,"endHours":20.002074847470755,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:08","end":"20:53","startHours":19.13177778599775,"endHours":20.88177778599775,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:27","end":"00:26","startHours":23.44197539914324,"endHours":24.434450697500054,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"04:30","end":"06:21","startHours":4.494648310645544,"endHours":6.355539495064569,"quality":"neutral"},{"name":"Labha","start":"06:21","end":"08:13","startHours":6.355539495064569,"endHours":8.216430679483594,"quality":"auspicious"},{"name":"Amṛta","start":"08:13","end":"10:05","startHours":8.216430679483594,"endHours":10.07732186390262,"quality":"auspicious"},{"name":"Kāla","start":"10:05","end":"11:56","startHours":10.07732186390262,"endHours":11.938213048321646,"quality":"inauspicious"},{"name":"Śubha","start":"11:56","end":"13:48","startHours":11.938213048321646,"endHours":13.799104232740671,"quality":"auspicious"},{"name":"Roga","start":"13:48","end":"15:40","startHours":13.799104232740671,"endHours":15.659995417159696,"quality":"inauspicious"},{"name":"Udveg","start":"15:40","end":"17:31","startHours":15.659995417159696,"endHours":17.520886601578724,"quality":"inauspicious"},{"name":"Chala","start":"17:31","end":"19:23","startHours":17.520886601578724,"endHours":19.38177778599775,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:23","end":"20:31","startHours":19.38177778599775,"endHours":20.520886601578724,"quality":"inauspicious"},{"name":"Udveg","start":"20:31","end":"21:40","startHours":20.520886601578724,"endHours":21.6599954171597,"quality":"inauspicious"},{"name":"Chala","start":"21:40","end":"22:48","startHours":21.6599954171597,"endHours":22.79910423274067,"quality":"neutral"},{"name":"Labha","start":"22:48","end":"23:56","startHours":22.79910423274067,"endHours":23.938213048321646,"quality":"auspicious"},{"name":"Amṛta","start":"23:56","end":"01:05","startHours":23.938213048321646,"endHours":25.077321863902622,"quality":"auspicious"},{"name":"Kāla","start":"01:05","end":"02:13","startHours":25.077321863902622,"endHours":26.216430679483594,"quality":"inauspicious"},{"name":"Śubha","start":"02:13","end":"03:21","startHours":26.216430679483594,"endHours":27.35553949506457,"quality":"auspicious"},{"name":"Roga","start":"03:21","end":"04:30","startHours":27.35553949506457,"endHours":28.494648310645545,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"04:30","end":"05:30","startHours":4.494648310645544,"endHours":5.494648310645544,"planetary_lord":"Venus"},{"name":"Hora 2","start":"05:30","end":"06:30","startHours":5.494648310645544,"endHours":6.494648310645544,"planetary_lord":"Sun"},{"name":"Hora 3","start":"06:30","end":"07:30","startHours":6.494648310645544,"endHours":7.494648310645544,"planetary_lord":"Mars"},{"name":"Hora 4","start":"07:30","end":"08:30","startHours":7.494648310645544,"endHours":8.494648310645545,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"08:30","end":"09:30","startHours":8.494648310645545,"endHours":9.494648310645545,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"09:30","end":"10:30","startHours":9.494648310645545,"endHours":10.494648310645545,"planetary_lord":"Moon"},{"name":"Hora 7","start":"10:30","end":"11:30","startHours":10.494648310645545,"endHours":11.494648310645545,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"11:30","end":"12:30","startHours":11.494648310645545,"endHours":12.494648310645545,"planetary_lord":"Venus"},{"name":"Hora 9","start":"12:30","end":"13:30","startHours":12.494648310645545,"endHours":13.494648310645545,"planetary_lord":"Sun"},{"name":"Hora 10","start":"13:30","end":"14:30","startHours":13.494648310645545,"endHours":14.494648310645545,"planetary_lord":"Mars"},{"name":"Hora 11","start":"14:30","end":"15:30","startHours":14.494648310645545,"endHours":15.494648310645545,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"15:30","end":"16:30","startHours":15.494648310645545,"endHours":16.494648310645545,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"16:30","end":"17:30","startHours":16.494648310645545,"endHours":17.494648310645545,"planetary_lord":"Moon"},{"name":"Hora 14","start":"17:30","end":"18:30","startHours":17.494648310645545,"endHours":18.494648310645545,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"18:30","end":"19:30","startHours":18.494648310645545,"endHours":19.494648310645545,"planetary_lord":"Venus"},{"name":"Hora 16","start":"19:30","end":"20:30","startHours":19.494648310645545,"endHours":20.494648310645545,"planetary_lord":"Sun"},{"name":"Hora 17","start":"20:30","end":"21:30","startHours":20.494648310645545,"endHours":21.494648310645545,"planetary_lord":"Mars"},{"name":"Hora 18","start":"21:30","end":"22:30","startHours":21.494648310645545,"endHours":22.494648310645545,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"22:30","end":"23:30","startHours":22.494648310645545,"endHours":23.494648310645545,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"23:30","end":"00:30","startHours":23.494648310645545,"endHours":24.494648310645545,"planetary_lord":"Moon"},{"name":"Hora 21","start":"00:30","end":"01:30","startHours":24.494648310645545,"endHours":25.494648310645545,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"01:30","end":"02:30","startHours":25.494648310645545,"endHours":26.494648310645545,"planetary_lord":"Venus"},{"name":"Hora 23","start":"02:30","end":"03:30","startHours":26.494648310645545,"endHours":27.494648310645545,"planetary_lord":"Sun"},{"name":"Hora 24","start":"03:30","end":"04:30","startHours":27.494648310645545,"endHours":28.494648310645545,"planetary_lord":"Mars"}],"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","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"West","rahuVasa":"South-East","anandadiYoga":{"name":"Kāladaṇḍa","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":21.216361825567034,"eotMinutes":-5.773582899298716,"ayanamsa":24.2238}},"calendars":{"vikram_samvat":2083,"vikram_samvatsara":"Siddhārthī","saka_samvat":1948,"saka_samvatsara":"Parābhava","bengali_samvat":1433,"malayalam_era":1202,"nanakshahi_year":557,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Tṛtīyā · Vikram 2083 Siddhārthī · Śaka 1948 Parābhava"},"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":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 17, 2026 CE · Chicago, USA · Vidhyamitra","description":"July 17, 2026 CE for Chicago, USA: Śukla Tṛtīyā, sūryodaya 04:30, sūryāsta 19:23.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chicago/2026-07-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chicago/2026-07-17","sa":"https://sa.vidhyamitra.com/city/chicago/2026-07-17","hi":"https://hi.vidhyamitra.com/city/chicago/2026-07-17","x-default":"https://vidhyamitra.com/city/chicago/2026-07-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T20:38:03.080Z","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":"2026-05-14T20:38:03.080Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T20:38:03.080Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}