{"id":"vidhyamitra:city-day:chicago:2017-12-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chicago/2017-12-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2017-12-06","date_display":"December 6, 2017 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":2017,"month":12,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458093.770833,"kali_year":5119,"ahargana":1869628.2708,"sun":{"sidereal_longitude":229.4922,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":80.5234,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":211.0312,"elapsed_within_tithi_degrees":7.0312},"nakshatra":{"number":7,"name":"Punarvasu","pada":1,"moon_longitude":80.5234,"elapsed_within_degrees":0.5234},"yoga":{"number":24,"name":"Śukla","sum_longitude":310.0156},"karana":{"half_tithi_index":35,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2017,"month":12,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458093.770833,"ahargana":1869628.2708,"kali_year":5119,"ayanamsa_lahiri":24.1035,"grahas":{"sun":{"sidereal_longitude":229.996799,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":83.74419899999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false,"latitude":-2.7422},"mars":{"sidereal_longitude":183.50059899999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":244.44909900000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":197.74039900000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":221.53229899999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":244.08659899999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":118.0969,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":298.0969,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"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":2017,"month":12,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458093.770833,"kali_year":5119,"ahargana":1869628.2708,"sun":{"sidereal_longitude":229.4922,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":80.5234,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":211.0312,"elapsed_within_tithi_degrees":7.0312},"nakshatra":{"number":7,"name":"Punarvasu","pada":1,"moon_longitude":80.5234,"elapsed_within_degrees":0.5234},"yoga":{"number":24,"name":"Śukla","sum_longitude":310.0156},"karana":{"half_tithi_index":35,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.742,"elongation":148.969},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.742,"opposition_distance":31.031}},"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":9.26799773922395,"dayLengthDisplay":"9 Hours 16 Mins 05 Secs","nightLengthDisplay":"14 Hours 43 Mins 55 Secs","moonriseLocal":"18:28","moonsetLocal":"09:27","rahuKala":{"name":"Rāhu Kāla","start":"11:42","end":"12:52","startHours":11.70627200875414,"endHours":12.864771726157135,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:14","end":"09:23","startHours":8.23077285654516,"endHours":9.389272573948155,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:33","end":"11:42","startHours":10.547772291351148,"endHours":11.70627200875414,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:14","end":"09:33","startHours":9.234805944961089,"endHours":9.54373920293522,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:28","end":"07:42","startHours":7.458439711609831,"endHours":7.705586317989137,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:24","end":"12:01","startHours":11.397338750780008,"endHours":12.015205266728273,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:50","end":"06:27","startHours":5.836540107245639,"endHours":6.454406623193903,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:18","end":"07:04","startHours":6.299939994206837,"endHours":7.072273139142166,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:15","end":"13:52","startHours":13.2509382986248,"endHours":13.868804814573062,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:08","end":"16:32","startHours":16.140270878366117,"endHours":16.540270878366115,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"16:20","end":"16:44","startHours":16.340270878366116,"endHours":16.72643745083378,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:05","end":"17:50","startHours":16.090270878366116,"endHours":17.840270878366116,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:24","end":"00:01","startHours":23.39733875078001,"endHours":24.015205266728273,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:04","end":"08:14","startHours":7.072273139142166,"endHours":8.23077285654516,"quality":"auspicious"},{"name":"Amṛta","start":"08:14","end":"09:23","startHours":8.23077285654516,"endHours":9.389272573948155,"quality":"auspicious"},{"name":"Kāla","start":"09:23","end":"10:33","startHours":9.389272573948155,"endHours":10.547772291351148,"quality":"inauspicious"},{"name":"Śubha","start":"10:33","end":"11:42","startHours":10.547772291351148,"endHours":11.70627200875414,"quality":"auspicious"},{"name":"Roga","start":"11:42","end":"12:52","startHours":11.70627200875414,"endHours":12.864771726157135,"quality":"inauspicious"},{"name":"Udveg","start":"12:52","end":"14:01","startHours":12.864771726157135,"endHours":14.02327144356013,"quality":"inauspicious"},{"name":"Chala","start":"14:01","end":"15:11","startHours":14.02327144356013,"endHours":15.181771160963123,"quality":"neutral"},{"name":"Labha","start":"15:11","end":"16:20","startHours":15.181771160963123,"endHours":16.340270878366116,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"16:20","end":"18:11","startHours":16.340270878366116,"endHours":18.181771160963123,"quality":"inauspicious"},{"name":"Chala","start":"18:11","end":"20:01","startHours":18.181771160963123,"endHours":20.023271443560127,"quality":"neutral"},{"name":"Labha","start":"20:01","end":"21:52","startHours":20.023271443560127,"endHours":21.864771726157134,"quality":"auspicious"},{"name":"Amṛta","start":"21:52","end":"23:42","startHours":21.864771726157134,"endHours":23.70627200875414,"quality":"auspicious"},{"name":"Kāla","start":"23:42","end":"01:33","startHours":23.70627200875414,"endHours":25.547772291351148,"quality":"inauspicious"},{"name":"Śubha","start":"01:33","end":"03:23","startHours":25.547772291351148,"endHours":27.389272573948155,"quality":"auspicious"},{"name":"Roga","start":"03:23","end":"05:14","startHours":27.389272573948155,"endHours":29.23077285654516,"quality":"inauspicious"},{"name":"Udveg","start":"05:14","end":"07:04","startHours":29.23077285654516,"endHours":31.072273139142165,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:04","end":"08:04","startHours":7.072273139142166,"endHours":8.072273139142165,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:04","end":"09:04","startHours":8.072273139142165,"endHours":9.072273139142165,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:04","end":"10:04","startHours":9.072273139142165,"endHours":10.072273139142165,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:04","end":"11:04","startHours":10.072273139142165,"endHours":11.072273139142165,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:04","end":"12:04","startHours":11.072273139142165,"endHours":12.072273139142165,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:04","end":"13:04","startHours":12.072273139142165,"endHours":13.072273139142165,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:04","end":"14:04","startHours":13.072273139142165,"endHours":14.072273139142165,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:04","end":"15:04","startHours":14.072273139142165,"endHours":15.072273139142165,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:04","end":"16:04","startHours":15.072273139142165,"endHours":16.072273139142165,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:04","end":"17:04","startHours":16.072273139142165,"endHours":17.072273139142165,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:04","end":"18:04","startHours":17.072273139142165,"endHours":18.072273139142165,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:04","end":"19:04","startHours":18.072273139142165,"endHours":19.072273139142165,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:04","end":"20:04","startHours":19.072273139142165,"endHours":20.072273139142165,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:04","end":"21:04","startHours":20.072273139142165,"endHours":21.072273139142165,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:04","end":"22:04","startHours":21.072273139142165,"endHours":22.072273139142165,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:04","end":"23:04","startHours":22.072273139142165,"endHours":23.072273139142165,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:04","end":"00:04","startHours":23.072273139142165,"endHours":24.072273139142165,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:04","end":"01:04","startHours":24.072273139142165,"endHours":25.072273139142165,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:04","end":"02:04","startHours":25.072273139142165,"endHours":26.072273139142165,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:04","end":"03:04","startHours":26.072273139142165,"endHours":27.072273139142165,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:04","end":"04:04","startHours":27.072273139142165,"endHours":28.072273139142165,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:04","end":"05:04","startHours":28.072273139142165,"endHours":29.072273139142165,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:04","end":"06:04","startHours":29.072273139142165,"endHours":30.072273139142165,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:04","end":"07:04","startHours":30.072273139142165,"endHours":31.072273139142165,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"South-West","anandadiYoga":{"name":"Siddhi","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":-22.489635836850827,"eotMinutes":8.142879474751563,"ayanamsa":24.1035}},"calendars":{"vikram_samvat":2074,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":1939,"saka_samvatsara":"Hemalambī","bengali_samvat":1424,"malayalam_era":1193,"nanakshahi_year":548,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Kṛṣṇa Tṛtīyā · Vikram 2074 Sādhāraṇa · Śaka 1939 Hemalambī"},"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":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","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 December 6, 2017 CE · Chicago, USA · Vidhyamitra","description":"December 6, 2017 CE for Chicago, USA: Kṛṣṇa Tṛtīyā, sūryodaya 07:04, sūryāsta 16:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chicago/2017-12-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chicago/2017-12-06","sa":"https://sa.vidhyamitra.com/city/chicago/2017-12-06","hi":"https://hi.vidhyamitra.com/city/chicago/2017-12-06","x-default":"https://vidhyamitra.com/city/chicago/2017-12-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T13:04:01.989Z","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":"2026-05-15T13:04:01.989Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T13:04:01.989Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}