{"id":"vidhyamitra:city-day:chicago:2016-12-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chicago/2016-12-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2016-12-06","date_display":"December 6, 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":12,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457728.770833,"kali_year":5118,"ahargana":1869263.2708,"sun":{"sidereal_longitude":229.757,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":307.1404,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":77.3834,"elapsed_within_tithi_degrees":5.3834},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1,"moon_longitude":307.1404,"elapsed_within_degrees":0.4737},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":176.8973},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":12,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457728.770833,"ahargana":1869263.2708,"kali_year":5118,"ayanamsa_lahiri":24.0895,"grahas":{"sun":{"sidereal_longitude":230.257745,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":304.0821450000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false,"latitude":0.8035},"mars":{"sidereal_longitude":295.61224500000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":250.02644499999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":173.038045,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"venus":{"sidereal_longitude":273.863245,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":234.05104499999993,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":137.4364,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":317.4364,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":2016,"month":12,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457728.770833,"kali_year":5118,"ahargana":1869263.2708,"sun":{"sidereal_longitude":229.757,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":307.1404,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":77.3834,"elapsed_within_tithi_degrees":5.3834},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1,"moon_longitude":307.1404,"elapsed_within_degrees":0.4737},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":176.8973},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.804,"elongation":77.383},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.804,"opposition_distance":102.617}},"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":"07:04","sunsetLocal":"16:20","solarNoonLocal":"11:42","dayLengthHours":9.263711504053028,"dayLengthDisplay":"9 Hours 15 Mins 49 Secs","nightLengthDisplay":"14 Hours 44 Mins 11 Secs","moonriseLocal":"11:19","moonsetLocal":"21:57","rahuKala":{"name":"Rāhu Kāla","start":"14:01","end":"15:11","startHours":14.022199884767398,"endHours":15.180163822774027,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:23","end":"10:33","startHours":9.390344132740884,"endHours":10.548308070747513,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:42","end":"12:52","startHours":11.70627200875414,"endHours":12.864235946760768,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:14","end":"09:33","startHours":9.235948941006667,"endHours":9.5447393244751,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:28","end":"07:42","startHours":7.4604042360631695,"endHours":7.707436542837917,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:24","end":"12:01","startHours":11.397481625285707,"endHours":12.015062392222575,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:50","end":"06:27","startHours":5.83925472285389,"endHours":6.456835489790759,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:18","end":"07:04","startHours":6.302440298056541,"endHours":7.074416256727627,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:15","end":"13:52","startHours":13.25022392609631,"endHours":13.867804693033179,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:08","end":"16:32","startHours":16.138127760780655,"endHours":16.538127760780654,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"16:20","end":"16:43","startHours":16.338127760780655,"endHours":16.724115740116197,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:05","end":"17:50","startHours":16.088127760780655,"endHours":17.838127760780655,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:24","end":"00:01","startHours":23.397481625285707,"endHours":24.015062392222575,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:04","end":"08:14","startHours":7.074416256727627,"endHours":8.232380194734255,"quality":"inauspicious"},{"name":"Udveg","start":"08:14","end":"09:23","startHours":8.232380194734255,"endHours":9.390344132740884,"quality":"inauspicious"},{"name":"Chala","start":"09:23","end":"10:33","startHours":9.390344132740884,"endHours":10.548308070747513,"quality":"neutral"},{"name":"Labha","start":"10:33","end":"11:42","startHours":10.548308070747513,"endHours":11.70627200875414,"quality":"auspicious"},{"name":"Amṛta","start":"11:42","end":"12:52","startHours":11.70627200875414,"endHours":12.864235946760768,"quality":"auspicious"},{"name":"Kāla","start":"12:52","end":"14:01","startHours":12.864235946760768,"endHours":14.022199884767398,"quality":"inauspicious"},{"name":"Śubha","start":"14:01","end":"15:11","startHours":14.022199884767398,"endHours":15.180163822774027,"quality":"auspicious"},{"name":"Roga","start":"15:11","end":"16:20","startHours":15.180163822774027,"endHours":16.338127760780655,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"16:20","end":"18:11","startHours":16.338127760780655,"endHours":18.180163822774027,"quality":"inauspicious"},{"name":"Śubha","start":"18:11","end":"20:01","startHours":18.180163822774027,"endHours":20.022199884767396,"quality":"auspicious"},{"name":"Roga","start":"20:01","end":"21:52","startHours":20.022199884767396,"endHours":21.86423594676077,"quality":"inauspicious"},{"name":"Udveg","start":"21:52","end":"23:42","startHours":21.86423594676077,"endHours":23.70627200875414,"quality":"inauspicious"},{"name":"Chala","start":"23:42","end":"01:33","startHours":23.70627200875414,"endHours":25.548308070747513,"quality":"neutral"},{"name":"Labha","start":"01:33","end":"03:23","startHours":25.548308070747513,"endHours":27.390344132740886,"quality":"auspicious"},{"name":"Amṛta","start":"03:23","end":"05:14","startHours":27.390344132740886,"endHours":29.232380194734255,"quality":"auspicious"},{"name":"Kāla","start":"05:14","end":"07:04","startHours":29.232380194734255,"endHours":31.074416256727627,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:04","end":"08:04","startHours":7.074416256727627,"endHours":8.074416256727627,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:04","end":"09:04","startHours":8.074416256727627,"endHours":9.074416256727627,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:04","end":"10:04","startHours":9.074416256727627,"endHours":10.074416256727627,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:04","end":"11:04","startHours":10.074416256727627,"endHours":11.074416256727627,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:04","end":"12:04","startHours":11.074416256727627,"endHours":12.074416256727627,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:04","end":"13:04","startHours":12.074416256727627,"endHours":13.074416256727627,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:04","end":"14:04","startHours":13.074416256727627,"endHours":14.074416256727627,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:04","end":"15:04","startHours":14.074416256727627,"endHours":15.074416256727627,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:04","end":"16:04","startHours":15.074416256727627,"endHours":16.074416256727627,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:04","end":"17:04","startHours":16.074416256727627,"endHours":17.074416256727627,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:04","end":"18:04","startHours":17.074416256727627,"endHours":18.074416256727627,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:04","end":"19:04","startHours":18.074416256727627,"endHours":19.074416256727627,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:04","end":"20:04","startHours":19.074416256727627,"endHours":20.074416256727627,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:04","end":"21:04","startHours":20.074416256727627,"endHours":21.074416256727627,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:04","end":"22:04","startHours":21.074416256727627,"endHours":22.074416256727627,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:04","end":"23:04","startHours":22.074416256727627,"endHours":23.074416256727627,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:04","end":"00:04","startHours":23.074416256727627,"endHours":24.074416256727627,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:04","end":"01:04","startHours":24.074416256727627,"endHours":25.074416256727627,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:04","end":"02:04","startHours":25.074416256727627,"endHours":26.074416256727627,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:04","end":"03:04","startHours":26.074416256727627,"endHours":27.074416256727627,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:04","end":"04:04","startHours":27.074416256727627,"endHours":28.074416256727627,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:04","end":"05:04","startHours":28.074416256727627,"endHours":29.074416256727627,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:04","end":"06:04","startHours":29.074416256727627,"endHours":30.074416256727627,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:04","end":"07:04","startHours":30.074416256727627,"endHours":31.074416256727627,"planetary_lord":"Saturn"}],"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":"North (Uttara)","chandraVasa":"South","rahuVasa":"North","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Śarad (Autumn)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-22.51854057578258,"eotMinutes":8.142879474751563,"ayanamsa":24.0895}},"calendars":{"vikram_samvat":2073,"vikram_samvatsara":"Saumya","saka_samvat":1938,"saka_samvatsara":"Durmukhi","bengali_samvat":1423,"malayalam_era":1192,"nanakshahi_year":547,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Saptamī · Vikram 2073 Saumya · Śaka 1938 Durmukhi"},"festivals":[{"id":"vrischika-sankranti","name":"Vṛścika Saṅkrānti","name_sanskrit":"वृश्चिक सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Scorpio.","vrata":false,"detection":{"sun_rashi":"Vṛścika"},"precedence":5}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 December 6, 2016 CE · Chicago, USA · Vidhyamitra","description":"December 6, 2016 CE for Chicago, USA: Śukla Saptamī, sūryodaya 07:04, sūryāsta 16:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chicago/2016-12-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chicago/2016-12-06","sa":"https://sa.vidhyamitra.com/city/chicago/2016-12-06","hi":"https://hi.vidhyamitra.com/city/chicago/2016-12-06","x-default":"https://vidhyamitra.com/city/chicago/2016-12-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T20:45:15.575Z","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":"2026-05-15T20:45:15.575Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T20:45:15.575Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}