{"id":"vidhyamitra:city-day:chicago:2016-10-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chicago/2016-10-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2016-10-13","date_display":"October 13, 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":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457674.770833,"kali_year":5118,"ahargana":1869209.2708,"sun":{"sidereal_longitude":175.274,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":313.9054,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":138.6314,"elapsed_within_tithi_degrees":6.6314},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3,"moon_longitude":313.9054,"elapsed_within_degrees":7.2387},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":129.1794},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457674.770833,"ahargana":1869209.2708,"kali_year":5118,"ayanamsa_lahiri":24.0874,"grahas":{"sun":{"sidereal_longitude":176.05190800000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":313.00700800000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false,"latitude":0.5005},"mars":{"sidereal_longitude":256.307408,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":165.36120800000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":162.58160799999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"venus":{"sidereal_longitude":209.32990799999993,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":228.29540799999995,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":140.2976,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":320.2976,"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":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457674.770833,"kali_year":5118,"ahargana":1869209.2708,"sun":{"sidereal_longitude":175.274,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":313.9054,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":138.6314,"elapsed_within_tithi_degrees":6.6314},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3,"moon_longitude":313.9054,"elapsed_within_degrees":7.2387},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":129.1794},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.5,"elongation":138.631},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.5,"opposition_distance":41.369}},"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":"06:00","sunsetLocal":"17:12","solarNoonLocal":"11:36","dayLengthHours":11.202277868573972,"dayLengthDisplay":"11 Hours 12 Mins 08 Secs","nightLengthDisplay":"12 Hours 47 Mins 52 Secs","moonriseLocal":"15:13","moonsetLocal":"02:15","rahuKala":{"name":"Rāhu Kāla","start":"13:00","end":"14:24","startHours":13.001564246770492,"endHours":14.401848980342237,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:00","end":"07:24","startHours":6.000140578911759,"endHours":7.400425312483505,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:48","end":"10:12","startHours":8.80071004605525,"endHours":10.200994779626999,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:37","end":"08:59","startHours":8.614005414912352,"endHours":8.987414677198151,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:28","end":"06:46","startHours":6.466902156769008,"endHours":6.765629566597647,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:14","end":"11:58","startHours":11.227870250912945,"endHours":11.974688775484543,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:30","end":"05:15","startHours":4.506503529768562,"endHours":5.253322054340161,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:04","end":"06:00","startHours":5.066617423197261,"endHours":6.000140578911759,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:28","end":"14:13","startHours":13.46832582462774,"endHours":14.215144349199338,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:00","end":"17:24","startHours":17.00241844748573,"endHours":17.40241844748573,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:12","end":"17:40","startHours":17.20241844748573,"endHours":17.66918002534298,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:57","end":"18:42","startHours":16.95241844748573,"endHours":18.70241844748573,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:14","end":"23:58","startHours":23.227870250912943,"endHours":23.974688775484545,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:00","end":"07:24","startHours":6.000140578911759,"endHours":7.400425312483505,"quality":"auspicious"},{"name":"Roga","start":"07:24","end":"08:48","startHours":7.400425312483505,"endHours":8.80071004605525,"quality":"inauspicious"},{"name":"Udveg","start":"08:48","end":"10:12","startHours":8.80071004605525,"endHours":10.200994779626999,"quality":"inauspicious"},{"name":"Chala","start":"10:12","end":"11:36","startHours":10.200994779626999,"endHours":11.601279513198744,"quality":"neutral"},{"name":"Labha","start":"11:36","end":"13:00","startHours":11.601279513198744,"endHours":13.001564246770492,"quality":"auspicious"},{"name":"Amṛta","start":"13:00","end":"14:24","startHours":13.001564246770492,"endHours":14.401848980342237,"quality":"auspicious"},{"name":"Kāla","start":"14:24","end":"15:48","startHours":14.401848980342237,"endHours":15.802133713913985,"quality":"inauspicious"},{"name":"Śubha","start":"15:48","end":"17:12","startHours":15.802133713913985,"endHours":17.20241844748573,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:12","end":"18:48","startHours":17.20241844748573,"endHours":18.80213371391398,"quality":"auspicious"},{"name":"Kāla","start":"18:48","end":"20:24","startHours":18.80213371391398,"endHours":20.401848980342237,"quality":"inauspicious"},{"name":"Śubha","start":"20:24","end":"22:00","startHours":20.401848980342237,"endHours":22.001564246770492,"quality":"auspicious"},{"name":"Roga","start":"22:00","end":"23:36","startHours":22.001564246770492,"endHours":23.601279513198744,"quality":"inauspicious"},{"name":"Udveg","start":"23:36","end":"01:12","startHours":23.601279513198744,"endHours":25.200994779626996,"quality":"inauspicious"},{"name":"Chala","start":"01:12","end":"02:48","startHours":25.200994779626996,"endHours":26.80071004605525,"quality":"neutral"},{"name":"Labha","start":"02:48","end":"04:24","startHours":26.80071004605525,"endHours":28.400425312483506,"quality":"auspicious"},{"name":"Amṛta","start":"04:24","end":"06:00","startHours":28.400425312483506,"endHours":30.000140578911758,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:00","end":"07:00","startHours":6.000140578911759,"endHours":7.000140578911759,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:00","end":"08:00","startHours":7.000140578911759,"endHours":8.000140578911758,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:00","end":"09:00","startHours":8.000140578911758,"endHours":9.000140578911758,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:00","end":"10:00","startHours":9.000140578911758,"endHours":10.000140578911758,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:00","end":"11:00","startHours":10.000140578911758,"endHours":11.000140578911758,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:00","end":"12:00","startHours":11.000140578911758,"endHours":12.000140578911758,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:00","end":"13:00","startHours":12.000140578911758,"endHours":13.000140578911758,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:00","end":"14:00","startHours":13.000140578911758,"endHours":14.000140578911758,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:00","end":"15:00","startHours":14.000140578911758,"endHours":15.000140578911758,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:00","end":"16:00","startHours":15.000140578911758,"endHours":16.000140578911758,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:00","end":"17:00","startHours":16.000140578911758,"endHours":17.000140578911758,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:00","end":"18:00","startHours":17.000140578911758,"endHours":18.000140578911758,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:00","end":"19:00","startHours":18.000140578911758,"endHours":19.000140578911758,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:00","end":"20:00","startHours":19.000140578911758,"endHours":20.000140578911758,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:00","end":"21:00","startHours":20.000140578911758,"endHours":21.000140578911758,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:00","end":"22:00","startHours":21.000140578911758,"endHours":22.000140578911758,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:00","end":"23:00","startHours":22.000140578911758,"endHours":23.000140578911758,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:00","end":"00:00","startHours":23.000140578911758,"endHours":24.000140578911758,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:00","end":"01:00","startHours":24.000140578911758,"endHours":25.000140578911758,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:00","end":"02:00","startHours":25.000140578911758,"endHours":26.000140578911758,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:00","end":"03:00","startHours":26.000140578911758,"endHours":27.000140578911758,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:00","end":"04:00","startHours":27.000140578911758,"endHours":28.000140578911758,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:00","end":"05:00","startHours":28.000140578911758,"endHours":29.000140578911758,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:00","end":"06:00","startHours":29.000140578911758,"endHours":30.000140578911758,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-7.870863740745497,"eotMinutes":14.442429208075392,"ayanamsa":24.0874}},"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","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Dvādaśī · Vikram 2073 Saumya · Śaka 1938 Durmukhi"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 13, 2016 CE · Chicago, USA · Vidhyamitra","description":"October 13, 2016 CE for Chicago, USA: Śukla Dvādaśī, sūryodaya 06:00, sūryāsta 17:12.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chicago/2016-10-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chicago/2016-10-13","sa":"https://sa.vidhyamitra.com/city/chicago/2016-10-13","hi":"https://hi.vidhyamitra.com/city/chicago/2016-10-13","x-default":"https://vidhyamitra.com/city/chicago/2016-10-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T22:01:53.820Z","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":"2026-05-31T22:01:53.820Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T22:01:53.820Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}