{"id":"vidhyamitra:city-day:chicago:1986-08-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chicago/1986-08-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1986-08-01","date_display":"August 1, 1986 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":1986,"month":8,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446643.770833,"kali_year":5088,"ahargana":1858178.2708,"sun":{"sidereal_longitude":104.3477,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":49.9556,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":305.608,"elapsed_within_tithi_degrees":5.608},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3,"moon_longitude":49.9556,"elapsed_within_degrees":9.9556},"yoga":{"number":12,"name":"Dhruva","sum_longitude":154.3033},"karana":{"half_tithi_index":50,"name":"Bava"},"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":1986,"month":8,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446643.770833,"ahargana":1858178.2708,"kali_year":5088,"ayanamsa_lahiri":23.6655,"grahas":{"sun":{"sidereal_longitude":104.85097300000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"moon":{"sidereal_longitude":51.92537299999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false,"latitude":3.1905},"mars":{"sidereal_longitude":258.83107300000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":true},"mercury":{"sidereal_longitude":92.34727299999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":329.40907300000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":149.17747300000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":219.09197300000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":4.773,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":184.773,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","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":1986,"month":8,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446643.770833,"kali_year":5088,"ahargana":1858178.2708,"sun":{"sidereal_longitude":104.3477,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":49.9556,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":305.608,"elapsed_within_tithi_degrees":5.608},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3,"moon_longitude":49.9556,"elapsed_within_degrees":9.9556},"yoga":{"number":12,"name":"Dhruva","sum_longitude":154.3033},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.19,"elongation":54.392},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.19,"opposition_distance":125.608}},"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":"04:43","sunsetLocal":"19:10","solarNoonLocal":"11:57","dayLengthHours":14.441110848179946,"dayLengthDisplay":"14 Hours 26 Mins 28 Secs","nightLengthDisplay":"9 Hours 33 Mins 32 Secs","moonriseLocal":"00:53","moonsetLocal":"15:56","rahuKala":{"name":"Rāhu Kāla","start":"10:08","end":"11:57","startHours":10.137142308422682,"endHours":11.942281164445173,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:33","end":"17:21","startHours":15.55255887649016,"endHours":17.357697732512655,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:32","end":"08:20","startHours":6.526864596377695,"endHours":8.332003452400187,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:05","end":"08:34","startHours":8.091318271597189,"endHours":8.572688633203187,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:19","end":"05:43","startHours":5.323438692362699,"endHours":5.708534981647498,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:28","end":"12:25","startHours":11.460910802839175,"endHours":12.423651526051172,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"02:48","end":"03:46","startHours":2.7962442939312084,"endHours":3.758985017143205,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:31","end":"04:43","startHours":3.518299836340206,"endHours":4.721725740355201,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:21","end":"15:19","startHours":14.349132972475164,"endHours":15.311873695687162,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:58","end":"19:22","startHours":18.962836588535147,"endHours":19.362836588535146,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:10","end":"19:46","startHours":19.162836588535146,"endHours":19.764549540542646,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:55","end":"20:40","startHours":18.912836588535146,"endHours":20.662836588535146,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:28","end":"00:25","startHours":23.460910802839177,"endHours":24.42365152605117,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"04:43","end":"06:32","startHours":4.721725740355201,"endHours":6.526864596377695,"quality":"neutral"},{"name":"Labha","start":"06:32","end":"08:20","startHours":6.526864596377695,"endHours":8.332003452400187,"quality":"auspicious"},{"name":"Amṛta","start":"08:20","end":"10:08","startHours":8.332003452400187,"endHours":10.137142308422682,"quality":"auspicious"},{"name":"Kāla","start":"10:08","end":"11:57","startHours":10.137142308422682,"endHours":11.942281164445173,"quality":"inauspicious"},{"name":"Śubha","start":"11:57","end":"13:45","startHours":11.942281164445173,"endHours":13.747420020467668,"quality":"auspicious"},{"name":"Roga","start":"13:45","end":"15:33","startHours":13.747420020467668,"endHours":15.55255887649016,"quality":"inauspicious"},{"name":"Udveg","start":"15:33","end":"17:21","startHours":15.55255887649016,"endHours":17.357697732512655,"quality":"inauspicious"},{"name":"Chala","start":"17:21","end":"19:10","startHours":17.357697732512655,"endHours":19.162836588535146,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:10","end":"20:21","startHours":19.162836588535146,"endHours":20.357697732512655,"quality":"inauspicious"},{"name":"Udveg","start":"20:21","end":"21:33","startHours":20.357697732512655,"endHours":21.55255887649016,"quality":"inauspicious"},{"name":"Chala","start":"21:33","end":"22:45","startHours":21.55255887649016,"endHours":22.747420020467665,"quality":"neutral"},{"name":"Labha","start":"22:45","end":"23:57","startHours":22.747420020467665,"endHours":23.942281164445173,"quality":"auspicious"},{"name":"Amṛta","start":"23:57","end":"01:08","startHours":23.942281164445173,"endHours":25.137142308422682,"quality":"auspicious"},{"name":"Kāla","start":"01:08","end":"02:20","startHours":25.137142308422682,"endHours":26.332003452400187,"quality":"inauspicious"},{"name":"Śubha","start":"02:20","end":"03:32","startHours":26.332003452400187,"endHours":27.526864596377692,"quality":"auspicious"},{"name":"Roga","start":"03:32","end":"04:43","startHours":27.526864596377692,"endHours":28.7217257403552,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"04:43","end":"05:43","startHours":4.721725740355201,"endHours":5.721725740355201,"planetary_lord":"Venus"},{"name":"Hora 2","start":"05:43","end":"06:43","startHours":5.721725740355201,"endHours":6.721725740355201,"planetary_lord":"Sun"},{"name":"Hora 3","start":"06:43","end":"07:43","startHours":6.721725740355201,"endHours":7.721725740355201,"planetary_lord":"Mars"},{"name":"Hora 4","start":"07:43","end":"08:43","startHours":7.721725740355201,"endHours":8.7217257403552,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"08:43","end":"09:43","startHours":8.7217257403552,"endHours":9.7217257403552,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"09:43","end":"10:43","startHours":9.7217257403552,"endHours":10.7217257403552,"planetary_lord":"Moon"},{"name":"Hora 7","start":"10:43","end":"11:43","startHours":10.7217257403552,"endHours":11.7217257403552,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"11:43","end":"12:43","startHours":11.7217257403552,"endHours":12.7217257403552,"planetary_lord":"Venus"},{"name":"Hora 9","start":"12:43","end":"13:43","startHours":12.7217257403552,"endHours":13.7217257403552,"planetary_lord":"Sun"},{"name":"Hora 10","start":"13:43","end":"14:43","startHours":13.7217257403552,"endHours":14.7217257403552,"planetary_lord":"Mars"},{"name":"Hora 11","start":"14:43","end":"15:43","startHours":14.7217257403552,"endHours":15.7217257403552,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"15:43","end":"16:43","startHours":15.7217257403552,"endHours":16.7217257403552,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"16:43","end":"17:43","startHours":16.7217257403552,"endHours":17.7217257403552,"planetary_lord":"Moon"},{"name":"Hora 14","start":"17:43","end":"18:43","startHours":17.7217257403552,"endHours":18.7217257403552,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"18:43","end":"19:43","startHours":18.7217257403552,"endHours":19.7217257403552,"planetary_lord":"Venus"},{"name":"Hora 16","start":"19:43","end":"20:43","startHours":19.7217257403552,"endHours":20.7217257403552,"planetary_lord":"Sun"},{"name":"Hora 17","start":"20:43","end":"21:43","startHours":20.7217257403552,"endHours":21.7217257403552,"planetary_lord":"Mars"},{"name":"Hora 18","start":"21:43","end":"22:43","startHours":21.7217257403552,"endHours":22.7217257403552,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"22:43","end":"23:43","startHours":22.7217257403552,"endHours":23.7217257403552,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"23:43","end":"00:43","startHours":23.7217257403552,"endHours":24.7217257403552,"planetary_lord":"Moon"},{"name":"Hora 21","start":"00:43","end":"01:43","startHours":24.7217257403552,"endHours":25.7217257403552,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"01:43","end":"02:43","startHours":25.7217257403552,"endHours":26.7217257403552,"planetary_lord":"Venus"},{"name":"Hora 23","start":"02:43","end":"03:43","startHours":26.7217257403552,"endHours":27.7217257403552,"planetary_lord":"Sun"},{"name":"Hora 24","start":"03:43","end":"04:43","startHours":27.7217257403552,"endHours":28.7217257403552,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":18.131410419715593,"eotMinutes":-6.017669866710306,"ayanamsa":23.6655}},"calendars":{"vikram_samvat":2043,"vikram_samvatsara":"Pramāthi","saka_samvat":1908,"saka_samvatsara":"Akṣaya","bengali_samvat":1393,"malayalam_era":1162,"nanakshahi_year":517,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Āṣāḍha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Ekādaśī · Vikram 2043 Pramāthi · Śaka 1908 Akṣaya"},"festivals":[{"id":"aja-ekadashi","name":"Ajā Ekādaśī","name_sanskrit":"अजा एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"King Hariścandra observed this; restored him to throne and family.","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Śrāvaṇa"},"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}],"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":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","relevance":0.5}]},"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 August 1, 1986 CE · Chicago, USA · Vidhyamitra","description":"August 1, 1986 CE for Chicago, USA: Kṛṣṇa Ekādaśī, sūryodaya 04:43, sūryāsta 19:10.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chicago/1986-08-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chicago/1986-08-01","sa":"https://sa.vidhyamitra.com/city/chicago/1986-08-01","hi":"https://hi.vidhyamitra.com/city/chicago/1986-08-01","x-default":"https://vidhyamitra.com/city/chicago/1986-08-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T08:36:51.095Z","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":"2026-06-01T08:36:51.096Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T08:36:51.096Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}