{"id":"vidhyamitra:city-day:chicago:2012-12-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chicago/2012-12-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-12-06","date_display":"December 6, 2012 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":2012,"month":12,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456267.770833,"kali_year":5114,"ahargana":1867802.2708,"sun":{"sidereal_longitude":229.7928,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":136.4411,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":266.6483,"elapsed_within_tithi_degrees":2.6483},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":136.4411,"elapsed_within_degrees":3.1078},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":6.2339},"karana":{"half_tithi_index":44,"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":2012,"month":12,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456267.770833,"ahargana":1867802.2708,"kali_year":5114,"ayanamsa_lahiri":24.0336,"grahas":{"sun":{"sidereal_longitude":230.283366,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":133.045566,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false,"latitude":-4.408},"mars":{"sidereal_longitude":260.29406599999993,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":209.58926599999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":46.46736599999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":true},"venus":{"sidereal_longitude":203.14686600000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":192.85006599999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":214.8472,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":34.8472,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"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":2012,"month":12,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456267.770833,"kali_year":5114,"ahargana":1867802.2708,"sun":{"sidereal_longitude":229.7928,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":136.4411,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":266.6483,"elapsed_within_tithi_degrees":2.6483},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":136.4411,"elapsed_within_degrees":3.1078},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":6.2339},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.408,"elongation":93.352},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.408,"opposition_distance":86.648}},"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":9.264233727628978,"dayLengthDisplay":"9 Hours 15 Mins 51 Secs","nightLengthDisplay":"14 Hours 44 Mins 09 Secs","moonriseLocal":"22:38","moonsetLocal":"11:49","rahuKala":{"name":"Rāhu Kāla","start":"12:52","end":"14:01","startHours":12.864301224707763,"endHours":14.022330440661385,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:04","end":"08:14","startHours":7.074155144939651,"endHours":8.232184360893273,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:23","end":"10:33","startHours":9.390213576846895,"endHours":10.548242792800519,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:14","end":"09:33","startHours":9.235809681386412,"endHours":9.544617472307378,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:28","end":"07:42","startHours":7.460164883590858,"endHours":7.707211116327631,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:24","end":"12:01","startHours":11.397464217833175,"endHours":12.015079799675107,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:50","end":"06:27","startHours":5.838923981255787,"endHours":6.456539563097719,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:18","end":"07:04","startHours":6.302135667637236,"endHours":7.074155144939651,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:15","end":"13:52","startHours":13.25031096335897,"endHours":13.867926545200902,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:08","end":"16:32","startHours":16.13838887256863,"endHours":16.53838887256863,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"16:20","end":"16:43","startHours":16.33838887256863,"endHours":16.724398611219836,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:05","end":"17:50","startHours":16.08838887256863,"endHours":17.83838887256863,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:24","end":"00:01","startHours":23.397464217833175,"endHours":24.015079799675107,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:04","end":"08:14","startHours":7.074155144939651,"endHours":8.232184360893273,"quality":"auspicious"},{"name":"Roga","start":"08:14","end":"09:23","startHours":8.232184360893273,"endHours":9.390213576846895,"quality":"inauspicious"},{"name":"Udveg","start":"09:23","end":"10:33","startHours":9.390213576846895,"endHours":10.548242792800519,"quality":"inauspicious"},{"name":"Chala","start":"10:33","end":"11:42","startHours":10.548242792800519,"endHours":11.70627200875414,"quality":"neutral"},{"name":"Labha","start":"11:42","end":"12:52","startHours":11.70627200875414,"endHours":12.864301224707763,"quality":"auspicious"},{"name":"Amṛta","start":"12:52","end":"14:01","startHours":12.864301224707763,"endHours":14.022330440661385,"quality":"auspicious"},{"name":"Kāla","start":"14:01","end":"15:11","startHours":14.022330440661385,"endHours":15.180359656615007,"quality":"inauspicious"},{"name":"Śubha","start":"15:11","end":"16:20","startHours":15.180359656615007,"endHours":16.33838887256863,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"16:20","end":"18:11","startHours":16.33838887256863,"endHours":18.180359656615007,"quality":"auspicious"},{"name":"Kāla","start":"18:11","end":"20:01","startHours":18.180359656615007,"endHours":20.022330440661385,"quality":"inauspicious"},{"name":"Śubha","start":"20:01","end":"21:52","startHours":20.022330440661385,"endHours":21.864301224707763,"quality":"auspicious"},{"name":"Roga","start":"21:52","end":"23:42","startHours":21.864301224707763,"endHours":23.70627200875414,"quality":"inauspicious"},{"name":"Udveg","start":"23:42","end":"01:33","startHours":23.70627200875414,"endHours":25.548242792800515,"quality":"inauspicious"},{"name":"Chala","start":"01:33","end":"03:23","startHours":25.548242792800515,"endHours":27.390213576846897,"quality":"neutral"},{"name":"Labha","start":"03:23","end":"05:14","startHours":27.390213576846897,"endHours":29.23218436089327,"quality":"auspicious"},{"name":"Amṛta","start":"05:14","end":"07:04","startHours":29.23218436089327,"endHours":31.074155144939652,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:04","end":"08:04","startHours":7.074155144939651,"endHours":8.07415514493965,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:04","end":"09:04","startHours":8.07415514493965,"endHours":9.07415514493965,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:04","end":"10:04","startHours":9.07415514493965,"endHours":10.07415514493965,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:04","end":"11:04","startHours":10.07415514493965,"endHours":11.07415514493965,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:04","end":"12:04","startHours":11.07415514493965,"endHours":12.07415514493965,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:04","end":"13:04","startHours":12.07415514493965,"endHours":13.07415514493965,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:04","end":"14:04","startHours":13.07415514493965,"endHours":14.07415514493965,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:04","end":"15:04","startHours":14.07415514493965,"endHours":15.07415514493965,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:04","end":"16:04","startHours":15.07415514493965,"endHours":16.074155144939652,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:04","end":"17:04","startHours":16.074155144939652,"endHours":17.074155144939652,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:04","end":"18:04","startHours":17.074155144939652,"endHours":18.074155144939652,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:04","end":"19:04","startHours":18.074155144939652,"endHours":19.074155144939652,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:04","end":"20:04","startHours":19.074155144939652,"endHours":20.074155144939652,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:04","end":"21:04","startHours":20.074155144939652,"endHours":21.074155144939652,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:04","end":"22:04","startHours":21.074155144939652,"endHours":22.074155144939652,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:04","end":"23:04","startHours":22.074155144939652,"endHours":23.074155144939652,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:04","end":"00:04","startHours":23.074155144939652,"endHours":24.074155144939652,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:04","end":"01:04","startHours":24.074155144939652,"endHours":25.074155144939652,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:04","end":"02:04","startHours":25.074155144939652,"endHours":26.074155144939652,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:04","end":"03:04","startHours":26.074155144939652,"endHours":27.074155144939652,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:04","end":"04:04","startHours":27.074155144939652,"endHours":28.074155144939652,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:04","end":"05:04","startHours":28.074155144939652,"endHours":29.074155144939652,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:04","end":"06:04","startHours":29.074155144939652,"endHours":30.074155144939652,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:04","end":"07:04","startHours":30.074155144939652,"endHours":31.074155144939652,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"West","rahuVasa":"North-West","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.515019853798645,"eotMinutes":8.142879474751563,"ayanamsa":24.0336}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Kārtika","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Kṛṣṇa Aṣṭamī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"festivals":[{"id":"kalabhairava-ashtami","name":"Kālabhairava Aṣṭamī","name_sanskrit":"कालभैरव अष्टमी","tradition":"Shaiva","associated_deity":"Kālabhairava (fierce Śiva)","significance":"Kālabhairava's manifestation; Kāśī-kṣetrapāla.","vrata":true,"detection":{"tithi_number":23,"tithi_paksha":"Kṛṣṇa","lunar_month":"Mārgaśīrṣa"},"precedence":3}],"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":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","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 December 6, 2012 CE · Chicago, USA · Vidhyamitra","description":"December 6, 2012 CE for Chicago, USA: Kṛṣṇa Aṣṭamī, sūryodaya 07:04, sūryāsta 16:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chicago/2012-12-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chicago/2012-12-06","sa":"https://sa.vidhyamitra.com/city/chicago/2012-12-06","hi":"https://hi.vidhyamitra.com/city/chicago/2012-12-06","x-default":"https://vidhyamitra.com/city/chicago/2012-12-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T00:24:42.411Z","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":"2026-05-31T00:24:42.411Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T00:24:42.411Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}