{"id":"vidhyamitra:city-day:chicago:1982-01-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chicago/1982-01-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1982-01-09","date_display":"January 9, 1982 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":1982,"month":1,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444978.770833,"kali_year":5083,"ahargana":1856513.2708,"sun":{"sidereal_longitude":264.7267,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":75.0889,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":170.3623,"elapsed_within_tithi_degrees":2.3623},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":75.0889,"elapsed_within_degrees":8.4223},"yoga":{"number":26,"name":"Indra","sum_longitude":339.8156},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"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":1982,"month":1,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444978.770833,"ahargana":1856513.2708,"kali_year":5083,"ayanamsa_lahiri":23.6019,"grahas":{"sun":{"sidereal_longitude":264.84678899999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":73.86078900000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false,"latitude":-1.3821},"mars":{"sidereal_longitude":166.78458899999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":281.84728900000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":194.00028900000007,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":284.0717890000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":true},"saturn":{"sidereal_longitude":177.92418900000007,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":92.9927,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":272.9927,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":1982,"month":1,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444978.770833,"kali_year":5083,"ahargana":1856513.2708,"sun":{"sidereal_longitude":264.7267,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":75.0889,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":170.3623,"elapsed_within_tithi_degrees":2.3623},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":75.0889,"elapsed_within_degrees":8.4223},"yoga":{"number":26,"name":"Indra","sum_longitude":339.8156},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.382,"elongation":170.362},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.382,"opposition_distance":9.638}},"eclipse_window_40days":[{"offset_days":16,"type":"solar","occurs":true,"moon_latitude":-0.544,"elongation":2.054}]},"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":"07:18","sunsetLocal":"16:37","solarNoonLocal":"11:58","dayLengthHours":9.315803935342082,"dayLengthDisplay":"9 Hours 18 Mins 57 Secs","nightLengthDisplay":"14 Hours 41 Mins 03 Secs","moonriseLocal":"15:39","moonsetLocal":"06:48","rahuKala":{"name":"Rāhu Kāla","start":"09:38","end":"10:48","startHours":9.631440521470788,"endHours":10.795916013388549,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:07","end":"14:17","startHours":13.124866997224068,"endHours":14.289342489141829,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:18","end":"08:28","startHours":7.302489537635267,"endHours":8.466965029553027,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:29","end":"09:47","startHours":9.476177122548421,"endHours":9.786703920393157,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:41","end":"07:56","startHours":7.690648034941187,"endHours":7.939069473216976,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:39","end":"12:16","startHours":11.649864707461573,"endHours":12.270918303151044,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:04","end":"06:41","startHours":6.060382346256323,"endHours":6.681435941945796,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:32","end":"07:18","startHours":6.526172543023427,"endHours":7.302489537635267,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:31","end":"14:08","startHours":13.51302549452999,"endHours":14.134079090219462,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:25","end":"16:49","startHours":16.41829347297735,"endHours":16.81829347297735,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"16:37","end":"17:00","startHours":16.61829347297735,"endHours":17.00645197028327,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:22","end":"18:07","startHours":16.36829347297735,"endHours":18.11829347297735,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:39","end":"00:16","startHours":23.64986470746157,"endHours":24.270918303151046,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:18","end":"08:28","startHours":7.302489537635267,"endHours":8.466965029553027,"quality":"inauspicious"},{"name":"Śubha","start":"08:28","end":"09:38","startHours":8.466965029553027,"endHours":9.631440521470788,"quality":"auspicious"},{"name":"Roga","start":"09:38","end":"10:48","startHours":9.631440521470788,"endHours":10.795916013388549,"quality":"inauspicious"},{"name":"Udveg","start":"10:48","end":"11:58","startHours":10.795916013388549,"endHours":11.960391505306308,"quality":"inauspicious"},{"name":"Chala","start":"11:58","end":"13:07","startHours":11.960391505306308,"endHours":13.124866997224068,"quality":"neutral"},{"name":"Labha","start":"13:07","end":"14:17","startHours":13.124866997224068,"endHours":14.289342489141829,"quality":"auspicious"},{"name":"Amṛta","start":"14:17","end":"15:27","startHours":14.289342489141829,"endHours":15.45381798105959,"quality":"auspicious"},{"name":"Kāla","start":"15:27","end":"16:37","startHours":15.45381798105959,"endHours":16.61829347297735,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"16:37","end":"18:27","startHours":16.61829347297735,"endHours":18.45381798105959,"quality":"auspicious"},{"name":"Amṛta","start":"18:27","end":"20:17","startHours":18.45381798105959,"endHours":20.28934248914183,"quality":"auspicious"},{"name":"Kāla","start":"20:17","end":"22:07","startHours":20.28934248914183,"endHours":22.124866997224068,"quality":"inauspicious"},{"name":"Śubha","start":"22:07","end":"23:58","startHours":22.124866997224068,"endHours":23.96039150530631,"quality":"auspicious"},{"name":"Roga","start":"23:58","end":"01:48","startHours":23.96039150530631,"endHours":25.79591601338855,"quality":"inauspicious"},{"name":"Udveg","start":"01:48","end":"03:38","startHours":25.79591601338855,"endHours":27.631440521470786,"quality":"inauspicious"},{"name":"Chala","start":"03:38","end":"05:28","startHours":27.631440521470786,"endHours":29.466965029553027,"quality":"neutral"},{"name":"Labha","start":"05:28","end":"07:18","startHours":29.466965029553027,"endHours":31.302489537635267,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:18","end":"08:18","startHours":7.302489537635267,"endHours":8.302489537635267,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:18","end":"09:18","startHours":8.302489537635267,"endHours":9.302489537635267,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:18","end":"10:18","startHours":9.302489537635267,"endHours":10.302489537635267,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:18","end":"11:18","startHours":10.302489537635267,"endHours":11.302489537635267,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:18","end":"12:18","startHours":11.302489537635267,"endHours":12.302489537635267,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:18","end":"13:18","startHours":12.302489537635267,"endHours":13.302489537635267,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:18","end":"14:18","startHours":13.302489537635267,"endHours":14.302489537635267,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:18","end":"15:18","startHours":14.302489537635267,"endHours":15.302489537635267,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:18","end":"16:18","startHours":15.302489537635267,"endHours":16.302489537635267,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:18","end":"17:18","startHours":16.302489537635267,"endHours":17.302489537635267,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:18","end":"18:18","startHours":17.302489537635267,"endHours":18.302489537635267,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:18","end":"19:18","startHours":18.302489537635267,"endHours":19.302489537635267,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:18","end":"20:18","startHours":19.302489537635267,"endHours":20.302489537635267,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:18","end":"21:18","startHours":20.302489537635267,"endHours":21.302489537635267,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:18","end":"22:18","startHours":21.302489537635267,"endHours":22.302489537635267,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:18","end":"23:18","startHours":22.302489537635267,"endHours":23.302489537635267,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:18","end":"00:18","startHours":23.302489537635267,"endHours":24.302489537635267,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:18","end":"01:18","startHours":24.302489537635267,"endHours":25.302489537635267,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:18","end":"02:18","startHours":25.302489537635267,"endHours":26.302489537635267,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:18","end":"03:18","startHours":26.302489537635267,"endHours":27.302489537635267,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:18","end":"04:18","startHours":27.302489537635267,"endHours":28.302489537635267,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:18","end":"05:18","startHours":28.302489537635267,"endHours":29.302489537635267,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:18","end":"06:18","startHours":29.302489537635267,"endHours":30.302489537635267,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:18","end":"07:18","startHours":30.302489537635267,"endHours":31.302489537635267,"planetary_lord":"Mercury"}],"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","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Kāladaṇḍa","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.166041603293742,"eotMinutes":-7.10429031837854,"ayanamsa":23.6019}},"calendars":{"vikram_samvat":2039,"vikram_samvatsara":"Yuva","saka_samvat":1904,"saka_samvatsara":"Dundubhi","bengali_samvat":1389,"malayalam_era":1158,"nanakshahi_year":513,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Pūrṇimā · Vikram 2039 Yuva · Śaka 1904 Dundubhi"},"festivals":[{"id":"paush-purnima","name":"Pauṣa Pūrṇimā (Śākambharī Devī Jayantī)","name_sanskrit":"पौष पूर्णिमा","tradition":"Pan-Hindu","associated_deity":"Devī Śākambharī","significance":"Manifestation of Devī Śākambharī (vegetation-mother).","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Pauṣa"},"precedence":3}],"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":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","url":"/day/-0562-04-11","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 January 9, 1982 CE · Chicago, USA · Vidhyamitra","description":"January 9, 1982 CE for Chicago, USA: Śukla Pūrṇimā, sūryodaya 07:18, sūryāsta 16:37.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chicago/1982-01-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chicago/1982-01-09","sa":"https://sa.vidhyamitra.com/city/chicago/1982-01-09","hi":"https://hi.vidhyamitra.com/city/chicago/1982-01-09","x-default":"https://vidhyamitra.com/city/chicago/1982-01-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T01:38:25.550Z","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":"2026-06-02T01:38:25.550Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T01:38:25.550Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}