{"id":"vidhyamitra:city-day:chicago:2004-01-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chicago/2004-01-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2004-01-12","date_display":"January 12, 2004 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":2004,"month":1,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453016.770833,"kali_year":5105,"ahargana":1864551.2708,"sun":{"sidereal_longitude":267.0977,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":139.952,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":232.8543,"elapsed_within_tithi_degrees":4.8543},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2,"moon_longitude":139.952,"elapsed_within_degrees":6.6186},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":47.0496},"karana":{"half_tithi_index":38,"name":"Kaulava"},"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":2004,"month":1,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2453016.770833,"ahargana":1864551.2708,"kali_year":5105,"ayanamsa_lahiri":23.9093,"grahas":{"sun":{"sidereal_longitude":267.249378,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":138.211078,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false,"latitude":4.1462},"mars":{"sidereal_longitude":351.929178,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":244.10717799999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":144.94257800000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":302.767878,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":74.81597799999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":27.1008,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":207.1008,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","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":2004,"month":1,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453016.770833,"kali_year":5105,"ahargana":1864551.2708,"sun":{"sidereal_longitude":267.0977,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":139.952,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":232.8543,"elapsed_within_tithi_degrees":4.8543},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2,"moon_longitude":139.952,"elapsed_within_degrees":6.6186},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":47.0496},"karana":{"half_tithi_index":38,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.146,"elongation":127.146},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.146,"opposition_distance":52.854}},"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":"07:18","sunsetLocal":"16:40","solarNoonLocal":"11:59","dayLengthHours":9.373537471318372,"dayLengthDisplay":"9 Hours 22 Mins 25 Secs","nightLengthDisplay":"14 Hours 37 Mins 35 Secs","moonriseLocal":"20:54","moonsetLocal":"09:51","rahuKala":{"name":"Rāhu Kāla","start":"08:28","end":"09:38","startHours":8.464668158861908,"endHours":9.636360342776705,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:48","end":"11:59","startHours":10.808052526691501,"endHours":11.979744710606298,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:09","end":"14:19","startHours":13.151436894521094,"endHours":14.32312907843589,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:29","end":"09:48","startHours":9.480134718254732,"endHours":9.792585967298677,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:41","end":"07:56","startHours":7.683540036252043,"endHours":7.9335010354871995,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:40","end":"12:18","startHours":11.667293461562352,"endHours":12.292195959650243,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:03","end":"06:40","startHours":6.043170978771328,"endHours":6.668073476859219,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:31","end":"07:18","startHours":6.5118478523372465,"endHours":7.292975974947111,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:33","end":"14:10","startHours":13.542000955826026,"endHours":14.166903453913918,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:28","end":"16:52","startHours":16.466513446265484,"endHours":16.866513446265483,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"16:40","end":"17:03","startHours":16.666513446265483,"endHours":17.057077507570416,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:25","end":"18:10","startHours":16.416513446265483,"endHours":18.166513446265483,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:40","end":"00:18","startHours":23.667293461562352,"endHours":24.292195959650243,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:18","end":"08:28","startHours":7.292975974947111,"endHours":8.464668158861908,"quality":"auspicious"},{"name":"Kāla","start":"08:28","end":"09:38","startHours":8.464668158861908,"endHours":9.636360342776705,"quality":"inauspicious"},{"name":"Śubha","start":"09:38","end":"10:48","startHours":9.636360342776705,"endHours":10.808052526691501,"quality":"auspicious"},{"name":"Roga","start":"10:48","end":"11:59","startHours":10.808052526691501,"endHours":11.979744710606298,"quality":"inauspicious"},{"name":"Udveg","start":"11:59","end":"13:09","startHours":11.979744710606298,"endHours":13.151436894521094,"quality":"inauspicious"},{"name":"Chala","start":"13:09","end":"14:19","startHours":13.151436894521094,"endHours":14.32312907843589,"quality":"neutral"},{"name":"Labha","start":"14:19","end":"15:30","startHours":14.32312907843589,"endHours":15.494821262350687,"quality":"auspicious"},{"name":"Amṛta","start":"15:30","end":"16:40","startHours":15.494821262350687,"endHours":16.666513446265483,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"16:40","end":"18:30","startHours":16.666513446265483,"endHours":18.494821262350687,"quality":"neutral"},{"name":"Labha","start":"18:30","end":"20:19","startHours":18.494821262350687,"endHours":20.32312907843589,"quality":"auspicious"},{"name":"Amṛta","start":"20:19","end":"22:09","startHours":20.32312907843589,"endHours":22.151436894521094,"quality":"auspicious"},{"name":"Kāla","start":"22:09","end":"23:59","startHours":22.151436894521094,"endHours":23.979744710606298,"quality":"inauspicious"},{"name":"Śubha","start":"23:59","end":"01:48","startHours":23.979744710606298,"endHours":25.8080525266915,"quality":"auspicious"},{"name":"Roga","start":"01:48","end":"03:38","startHours":25.8080525266915,"endHours":27.636360342776705,"quality":"inauspicious"},{"name":"Udveg","start":"03:38","end":"05:28","startHours":27.636360342776705,"endHours":29.464668158861908,"quality":"inauspicious"},{"name":"Chala","start":"05:28","end":"07:18","startHours":29.464668158861908,"endHours":31.29297597494711,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:18","end":"08:18","startHours":7.292975974947111,"endHours":8.292975974947112,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:18","end":"09:18","startHours":8.292975974947112,"endHours":9.292975974947112,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:18","end":"10:18","startHours":9.292975974947112,"endHours":10.292975974947112,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:18","end":"11:18","startHours":10.292975974947112,"endHours":11.292975974947112,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:18","end":"12:18","startHours":11.292975974947112,"endHours":12.292975974947112,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:18","end":"13:18","startHours":12.292975974947112,"endHours":13.292975974947112,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:18","end":"14:18","startHours":13.292975974947112,"endHours":14.292975974947112,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:18","end":"15:18","startHours":14.292975974947112,"endHours":15.292975974947112,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:18","end":"16:18","startHours":15.292975974947112,"endHours":16.29297597494711,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:18","end":"17:18","startHours":16.29297597494711,"endHours":17.29297597494711,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:18","end":"18:18","startHours":17.29297597494711,"endHours":18.29297597494711,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:18","end":"19:18","startHours":18.29297597494711,"endHours":19.29297597494711,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:18","end":"20:18","startHours":19.29297597494711,"endHours":20.29297597494711,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:18","end":"21:18","startHours":20.29297597494711,"endHours":21.29297597494711,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:18","end":"22:18","startHours":21.29297597494711,"endHours":22.29297597494711,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:18","end":"23:18","startHours":22.29297597494711,"endHours":23.29297597494711,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:18","end":"00:18","startHours":23.29297597494711,"endHours":24.29297597494711,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:18","end":"01:18","startHours":24.29297597494711,"endHours":25.29297597494711,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:18","end":"02:18","startHours":25.29297597494711,"endHours":26.29297597494711,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:18","end":"03:18","startHours":26.29297597494711,"endHours":27.29297597494711,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:18","end":"04:18","startHours":27.29297597494711,"endHours":28.29297597494711,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:18","end":"05:18","startHours":28.29297597494711,"endHours":29.29297597494711,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:18","end":"06:18","startHours":29.29297597494711,"endHours":30.29297597494711,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:18","end":"07:18","startHours":30.29297597494711,"endHours":31.29297597494711,"planetary_lord":"Venus"}],"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":"East (Pūrva)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Lumba","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":-21.7723101470299,"eotMinutes":-8.265482636377905,"ayanamsa":23.9093}},"calendars":{"vikram_samvat":2061,"vikram_samvatsara":"Hemalambī","saka_samvat":1926,"saka_samvatsara":"Tāraṇa","bengali_samvat":1411,"malayalam_era":1180,"nanakshahi_year":535,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","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":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Pañcamī · Vikram 2061 Hemalambī · Śaka 1926 Tāraṇa"},"festivals":[],"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 12, 2004 CE · Chicago, USA · Vidhyamitra","description":"January 12, 2004 CE for Chicago, USA: Kṛṣṇa Pañcamī, sūryodaya 07:18, sūryāsta 16:40.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chicago/2004-01-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chicago/2004-01-12","sa":"https://sa.vidhyamitra.com/city/chicago/2004-01-12","hi":"https://hi.vidhyamitra.com/city/chicago/2004-01-12","x-default":"https://vidhyamitra.com/city/chicago/2004-01-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T20:06:03.745Z","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":"2026-06-02T20:06:03.745Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T20:06:03.745Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}