{"id":"vidhyamitra:city-day:chicago:2016-10-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chicago/2016-10-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2016-10-01","date_display":"October 1, 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":10,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457662.770833,"kali_year":5118,"ahargana":1869197.2708,"sun":{"sidereal_longitude":163.4267,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":165.4356,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":2.0089,"elapsed_within_tithi_degrees":2.0089},"nakshatra":{"number":13,"name":"Hasta","pada":2,"moon_longitude":165.4356,"elapsed_within_degrees":5.4356},"yoga":{"number":25,"name":"Brahma","sum_longitude":328.8623},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":10,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457662.770833,"ahargana":1869197.2708,"kali_year":5118,"ayanamsa_lahiri":24.087,"grahas":{"sun":{"sidereal_longitude":164.212667,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"moon":{"sidereal_longitude":164.533867,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false,"latitude":1.8647},"mars":{"sidereal_longitude":248.186867,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":146.49086699999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":159.99326700000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":194.73606700000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":227.34006699999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":140.9334,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":320.9334,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"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":10,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457662.770833,"kali_year":5118,"ahargana":1869197.2708,"sun":{"sidereal_longitude":163.4267,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":165.4356,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":2.0089,"elapsed_within_tithi_degrees":2.0089},"nakshatra":{"number":13,"name":"Hasta","pada":2,"moon_longitude":165.4356,"elapsed_within_degrees":5.4356},"yoga":{"number":25,"name":"Brahma","sum_longitude":328.8623},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.865,"elongation":2.009},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.865,"opposition_distance":177.991}},"eclipse_window_40days":[{"offset_days":-14,"type":"lunar","occurs":true,"moon_latitude":-0.783,"opposition_distance":1.976}]},"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":"05:47","sunsetLocal":"17:32","solarNoonLocal":"11:39","dayLengthHours":11.755486762440476,"dayLengthDisplay":"11 Hours 45 Mins 20 Secs","nightLengthDisplay":"12 Hours 14 Mins 40 Secs","moonriseLocal":"05:50","moonsetLocal":"17:31","rahuKala":{"name":"Rāhu Kāla","start":"08:43","end":"10:11","startHours":8.716985572946808,"endHours":10.186421418251868,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:08","end":"14:36","startHours":13.125293108861987,"endHours":14.594728954167046,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:47","end":"07:15","startHours":5.778113882336689,"endHours":7.247549727641749,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:31","end":"08:55","startHours":8.5210607935728,"endHours":8.912910352320816,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:16","end":"06:35","startHours":6.267925830771709,"endHours":6.581405477770122,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:16","end":"12:03","startHours":11.264007704808913,"endHours":12.047706822304944,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:13","end":"05:00","startHours":4.210715647344626,"endHours":4.994414764840657,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:48","end":"05:47","startHours":4.79848998546665,"endHours":5.778113882336689,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:37","end":"14:24","startHours":13.615105057297008,"endHours":14.398804174793039,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:20","end":"17:44","startHours":17.333600644777167,"endHours":17.733600644777166,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:32","end":"18:01","startHours":17.533600644777167,"endHours":18.023412593212186,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:17","end":"19:02","startHours":17.283600644777167,"endHours":19.033600644777167,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:16","end":"00:03","startHours":23.26400770480891,"endHours":24.047706822304946,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:47","end":"07:15","startHours":5.778113882336689,"endHours":7.247549727641749,"quality":"inauspicious"},{"name":"Śubha","start":"07:15","end":"08:43","startHours":7.247549727641749,"endHours":8.716985572946808,"quality":"auspicious"},{"name":"Roga","start":"08:43","end":"10:11","startHours":8.716985572946808,"endHours":10.186421418251868,"quality":"inauspicious"},{"name":"Udveg","start":"10:11","end":"11:39","startHours":10.186421418251868,"endHours":11.655857263556928,"quality":"inauspicious"},{"name":"Chala","start":"11:39","end":"13:08","startHours":11.655857263556928,"endHours":13.125293108861987,"quality":"neutral"},{"name":"Labha","start":"13:08","end":"14:36","startHours":13.125293108861987,"endHours":14.594728954167046,"quality":"auspicious"},{"name":"Amṛta","start":"14:36","end":"16:04","startHours":14.594728954167046,"endHours":16.064164799472106,"quality":"auspicious"},{"name":"Kāla","start":"16:04","end":"17:32","startHours":16.064164799472106,"endHours":17.533600644777167,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:32","end":"19:04","startHours":17.533600644777167,"endHours":19.064164799472106,"quality":"auspicious"},{"name":"Amṛta","start":"19:04","end":"20:36","startHours":19.064164799472106,"endHours":20.594728954167046,"quality":"auspicious"},{"name":"Kāla","start":"20:36","end":"22:08","startHours":20.594728954167046,"endHours":22.12529310886199,"quality":"inauspicious"},{"name":"Śubha","start":"22:08","end":"23:39","startHours":22.12529310886199,"endHours":23.65585726355693,"quality":"auspicious"},{"name":"Roga","start":"23:39","end":"01:11","startHours":23.65585726355693,"endHours":25.186421418251868,"quality":"inauspicious"},{"name":"Udveg","start":"01:11","end":"02:43","startHours":25.186421418251868,"endHours":26.71698557294681,"quality":"inauspicious"},{"name":"Chala","start":"02:43","end":"04:15","startHours":26.71698557294681,"endHours":28.24754972764175,"quality":"neutral"},{"name":"Labha","start":"04:15","end":"05:47","startHours":28.24754972764175,"endHours":29.77811388233669,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:47","end":"06:47","startHours":5.778113882336689,"endHours":6.778113882336689,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:47","end":"07:47","startHours":6.778113882336689,"endHours":7.778113882336689,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:47","end":"08:47","startHours":7.778113882336689,"endHours":8.77811388233669,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:47","end":"09:47","startHours":8.77811388233669,"endHours":9.77811388233669,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:47","end":"10:47","startHours":9.77811388233669,"endHours":10.77811388233669,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:47","end":"11:47","startHours":10.77811388233669,"endHours":11.77811388233669,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:47","end":"12:47","startHours":11.77811388233669,"endHours":12.77811388233669,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:47","end":"13:47","startHours":12.77811388233669,"endHours":13.77811388233669,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:47","end":"14:47","startHours":13.77811388233669,"endHours":14.77811388233669,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:47","end":"15:47","startHours":14.77811388233669,"endHours":15.77811388233669,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:47","end":"16:47","startHours":15.77811388233669,"endHours":16.77811388233669,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:47","end":"17:47","startHours":16.77811388233669,"endHours":17.77811388233669,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:47","end":"18:47","startHours":17.77811388233669,"endHours":18.77811388233669,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:47","end":"19:47","startHours":18.77811388233669,"endHours":19.77811388233669,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:47","end":"20:47","startHours":19.77811388233669,"endHours":20.77811388233669,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:47","end":"21:47","startHours":20.77811388233669,"endHours":21.77811388233669,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:47","end":"22:47","startHours":21.77811388233669,"endHours":22.77811388233669,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:47","end":"23:47","startHours":22.77811388233669,"endHours":23.77811388233669,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:47","end":"00:47","startHours":23.77811388233669,"endHours":24.77811388233669,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:47","end":"01:47","startHours":24.77811388233669,"endHours":25.77811388233669,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:47","end":"02:47","startHours":25.77811388233669,"endHours":26.77811388233669,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:47","end":"03:47","startHours":26.77811388233669,"endHours":27.77811388233669,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:47","end":"04:47","startHours":27.77811388233669,"endHours":28.77811388233669,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:47","end":"05:47","startHours":28.77811388233669,"endHours":29.77811388233669,"planetary_lord":"Mercury"}],"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":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"East","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-3.2913244072382577,"eotMinutes":11.167764186584405,"ayanamsa":24.087}},"calendars":{"vikram_samvat":2073,"vikram_samvatsara":"Saumya","saka_samvat":1938,"saka_samvatsara":"Durmukhi","bengali_samvat":1423,"malayalam_era":1192,"nanakshahi_year":547,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Pratipada · Vikram 2073 Saumya · Śaka 1938 Durmukhi"},"festivals":[{"id":"sharadiya-navratri-start","name":"Śāradīya Navrātri Start","name_sanskrit":"शारदीय नवरात्रि आरम्भ","tradition":"Shakta","associated_deity":"Devī Durgā","significance":"Autumn Navrātri begins; Devī Mahiṣāsura-mardinī worship for 9 nights.","vrata":true,"detection":{"tithi_number":1,"tithi_paksha":"Śukla","lunar_month":"Āśvina"},"precedence":1},{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi":"Kanyā"},"precedence":4}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 October 1, 2016 CE · Chicago, USA · Vidhyamitra","description":"October 1, 2016 CE for Chicago, USA: Śukla Pratipada, sūryodaya 05:47, sūryāsta 17:32.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chicago/2016-10-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chicago/2016-10-01","sa":"https://sa.vidhyamitra.com/city/chicago/2016-10-01","hi":"https://hi.vidhyamitra.com/city/chicago/2016-10-01","x-default":"https://vidhyamitra.com/city/chicago/2016-10-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T17:50:06.074Z","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":"2026-05-15T17:50:06.074Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T17:50:06.074Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}