{"id":"vidhyamitra:city-day:chicago:2003-01-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chicago/2003-01-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2003-01-06","date_display":"January 6, 2003 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":2003,"month":1,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452645.770833,"kali_year":5104,"ahargana":1864180.2708,"sun":{"sidereal_longitude":261.197,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":301.9775,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":40.7804,"elapsed_within_tithi_degrees":4.7804},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3,"moon_longitude":301.9775,"elapsed_within_degrees":8.6441},"yoga":{"number":16,"name":"Siddhi","sum_longitude":203.1745},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2003,"month":1,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452645.770833,"ahargana":1864180.2708,"kali_year":5104,"ayanamsa_lahiri":23.8951,"grahas":{"sun":{"sidereal_longitude":261.39645300000007,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":300.79965300000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false,"latitude":-4.3508},"mars":{"sidereal_longitude":208.90465300000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":273.53545299999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":112.42985299999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":214.51615300000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":60.05155300000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":46.7582,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":226.7582,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","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":2003,"month":1,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452645.770833,"kali_year":5104,"ahargana":1864180.2708,"sun":{"sidereal_longitude":261.197,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":301.9775,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":40.7804,"elapsed_within_tithi_degrees":4.7804},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3,"moon_longitude":301.9775,"elapsed_within_degrees":8.6441},"yoga":{"number":16,"name":"Siddhi","sum_longitude":203.1745},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.351,"elongation":40.78},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.351,"opposition_distance":139.22}},"eclipse_window_40days":[{"offset_days":-17,"type":"lunar","occurs":true,"moon_latitude":1.434,"opposition_distance":2.531}]},"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":"07:19","sunsetLocal":"16:34","solarNoonLocal":"11:56","dayLengthHours":9.257553789155885,"dayLengthDisplay":"9 Hours 15 Mins 27 Secs","nightLengthDisplay":"14 Hours 44 Mins 33 Secs","moonriseLocal":"09:20","moonsetLocal":"19:48","rahuKala":{"name":"Rāhu Kāla","start":"08:28","end":"09:38","startHours":8.468331014182775,"endHours":9.625525237827262,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:47","end":"11:56","startHours":10.782719461471746,"endHours":11.939913685116231,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:06","end":"14:15","startHours":13.097107908760718,"endHours":14.254302132405204,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:28","end":"09:47","startHours":9.471232674674663,"endHours":9.77981780097986,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:42","end":"07:57","startHours":7.696868198419785,"endHours":7.943736299463942,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:38","end":"12:15","startHours":11.631328558811035,"endHours":12.248498811421427,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:05","end":"06:42","startHours":6.076796285317505,"endHours":6.693966537927897,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:32","end":"07:19","startHours":6.539673974775299,"endHours":7.311136790538289,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:29","end":"14:06","startHours":13.482839316642213,"endHours":14.100009569252606,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:22","end":"16:46","startHours":16.368690579694174,"endHours":16.768690579694173,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"16:34","end":"16:57","startHours":16.568690579694174,"endHours":16.954421987575667,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:19","end":"18:04","startHours":16.318690579694174,"endHours":18.068690579694174,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:38","end":"00:15","startHours":23.631328558811035,"endHours":24.248498811421427,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:19","end":"08:28","startHours":7.311136790538289,"endHours":8.468331014182775,"quality":"auspicious"},{"name":"Kāla","start":"08:28","end":"09:38","startHours":8.468331014182775,"endHours":9.625525237827262,"quality":"inauspicious"},{"name":"Śubha","start":"09:38","end":"10:47","startHours":9.625525237827262,"endHours":10.782719461471746,"quality":"auspicious"},{"name":"Roga","start":"10:47","end":"11:56","startHours":10.782719461471746,"endHours":11.939913685116231,"quality":"inauspicious"},{"name":"Udveg","start":"11:56","end":"13:06","startHours":11.939913685116231,"endHours":13.097107908760718,"quality":"inauspicious"},{"name":"Chala","start":"13:06","end":"14:15","startHours":13.097107908760718,"endHours":14.254302132405204,"quality":"neutral"},{"name":"Labha","start":"14:15","end":"15:25","startHours":14.254302132405204,"endHours":15.411496356049689,"quality":"auspicious"},{"name":"Amṛta","start":"15:25","end":"16:34","startHours":15.411496356049689,"endHours":16.568690579694174,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"16:34","end":"18:25","startHours":16.568690579694174,"endHours":18.41149635604969,"quality":"neutral"},{"name":"Labha","start":"18:25","end":"20:15","startHours":18.41149635604969,"endHours":20.2543021324052,"quality":"auspicious"},{"name":"Amṛta","start":"20:15","end":"22:06","startHours":20.2543021324052,"endHours":22.097107908760716,"quality":"auspicious"},{"name":"Kāla","start":"22:06","end":"23:56","startHours":22.097107908760716,"endHours":23.93991368511623,"quality":"inauspicious"},{"name":"Śubha","start":"23:56","end":"01:47","startHours":23.93991368511623,"endHours":25.782719461471746,"quality":"auspicious"},{"name":"Roga","start":"01:47","end":"03:38","startHours":25.782719461471746,"endHours":27.62552523782726,"quality":"inauspicious"},{"name":"Udveg","start":"03:38","end":"05:28","startHours":27.62552523782726,"endHours":29.468331014182773,"quality":"inauspicious"},{"name":"Chala","start":"05:28","end":"07:19","startHours":29.468331014182773,"endHours":31.31113679053829,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:19","end":"08:19","startHours":7.311136790538289,"endHours":8.311136790538288,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:19","end":"09:19","startHours":8.311136790538288,"endHours":9.311136790538288,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:19","end":"10:19","startHours":9.311136790538288,"endHours":10.311136790538288,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:19","end":"11:19","startHours":10.311136790538288,"endHours":11.311136790538288,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:19","end":"12:19","startHours":11.311136790538288,"endHours":12.311136790538288,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:19","end":"13:19","startHours":12.311136790538288,"endHours":13.311136790538288,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:19","end":"14:19","startHours":13.311136790538288,"endHours":14.311136790538288,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:19","end":"15:19","startHours":14.311136790538288,"endHours":15.311136790538288,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:19","end":"16:19","startHours":15.311136790538288,"endHours":16.31113679053829,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:19","end":"17:19","startHours":16.31113679053829,"endHours":17.31113679053829,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:19","end":"18:19","startHours":17.31113679053829,"endHours":18.31113679053829,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:19","end":"19:19","startHours":18.31113679053829,"endHours":19.31113679053829,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:19","end":"20:19","startHours":19.31113679053829,"endHours":20.31113679053829,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:19","end":"21:19","startHours":20.31113679053829,"endHours":21.31113679053829,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:19","end":"22:19","startHours":21.31113679053829,"endHours":22.31113679053829,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:19","end":"23:19","startHours":22.31113679053829,"endHours":23.31113679053829,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:19","end":"00:19","startHours":23.31113679053829,"endHours":24.31113679053829,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:19","end":"01:19","startHours":24.31113679053829,"endHours":25.31113679053829,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:19","end":"02:19","startHours":25.31113679053829,"endHours":26.31113679053829,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:19","end":"03:19","startHours":26.31113679053829,"endHours":27.31113679053829,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:19","end":"04:19","startHours":27.31113679053829,"endHours":28.31113679053829,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:19","end":"05:19","startHours":28.31113679053829,"endHours":29.31113679053829,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:19","end":"06:19","startHours":29.31113679053829,"endHours":30.31113679053829,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:19","end":"07:19","startHours":30.31113679053829,"endHours":31.31113679053829,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"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":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"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":-22.560034605473255,"eotMinutes":-5.875621106973772,"ayanamsa":23.8951}},"calendars":{"vikram_samvat":2060,"vikram_samvatsara":"Durmukhi","saka_samvat":1925,"saka_samvatsara":"Subhānu","bengali_samvat":1410,"malayalam_era":1179,"nanakshahi_year":534,"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 Caturthī · Vikram 2060 Durmukhi · Śaka 1925 Subhānu"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 January 6, 2003 CE · Chicago, USA · Vidhyamitra","description":"January 6, 2003 CE for Chicago, USA: Śukla Caturthī, sūryodaya 07:19, sūryāsta 16:34.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chicago/2003-01-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chicago/2003-01-06","sa":"https://sa.vidhyamitra.com/city/chicago/2003-01-06","hi":"https://hi.vidhyamitra.com/city/chicago/2003-01-06","x-default":"https://vidhyamitra.com/city/chicago/2003-01-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T00:28:34.354Z","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":"2026-05-31T00:28:34.354Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T00:28:34.354Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}