{"id":"vidhyamitra:city-day:chicago:2004-04-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chicago/2004-04-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2004-04-07","date_display":"April 7, 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":4,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453102.770833,"kali_year":5105,"ahargana":1864637.2708,"sun":{"sidereal_longitude":353.7973,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":193.0145,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":199.2172,"elapsed_within_tithi_degrees":7.2172},"nakshatra":{"number":15,"name":"Svātī","pada":2,"moon_longitude":193.0145,"elapsed_within_degrees":6.3478},"yoga":{"number":15,"name":"Vajra","sum_longitude":186.8118},"karana":{"half_tithi_index":33,"name":"Gara"},"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":2004,"month":4,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2453102.770833,"ahargana":1864637.2708,"kali_year":5105,"ayanamsa_lahiri":23.9126,"grahas":{"sun":{"sidereal_longitude":353.654192,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":194.824392,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false,"latitude":0.7443},"mars":{"sidereal_longitude":46.69489199999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":8.158492000000024,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":136.30239200000005,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":true},"venus":{"sidereal_longitude":39.28959199999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":73.08959199999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":22.5441,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":202.5441,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","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":2004,"month":4,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453102.770833,"kali_year":5105,"ahargana":1864637.2708,"sun":{"sidereal_longitude":353.7973,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":193.0145,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":199.2172,"elapsed_within_tithi_degrees":7.2172},"nakshatra":{"number":15,"name":"Svātī","pada":2,"moon_longitude":193.0145,"elapsed_within_degrees":6.3478},"yoga":{"number":15,"name":"Vajra","sum_longitude":186.8118},"karana":{"half_tithi_index":33,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.744,"elongation":160.783},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.744,"opposition_distance":19.217}},"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":"05:24","sunsetLocal":"18:22","solarNoonLocal":"11:53","dayLengthHours":12.981130822267708,"dayLengthDisplay":"12 Hours 58 Mins 52 Secs","nightLengthDisplay":"11 Hours 01 Mins 08 Secs","moonriseLocal":"20:08","moonsetLocal":"06:28","rahuKala":{"name":"Rāhu Kāla","start":"11:53","end":"13:30","startHours":11.883453542413882,"endHours":13.506094895197347,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:01","end":"08:38","startHours":7.0155294840634905,"endHours":8.638170836846953,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:16","end":"11:53","startHours":10.260812189630418,"endHours":11.883453542413882,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:25","end":"08:51","startHours":8.421818656475825,"endHours":8.854523017218082,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:56","end":"06:17","startHours":5.933768582207848,"endHours":6.279932070801653,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:27","end":"12:19","startHours":11.450749181671625,"endHours":12.316157903156139,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:40","end":"04:32","startHours":3.6620706883109992,"endHours":4.527479409795513,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:19","end":"05:24","startHours":4.311127229424384,"endHours":5.392888131280027,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:03","end":"14:55","startHours":14.046975346125166,"endHours":14.912384067609679,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:10","end":"18:34","startHours":18.174018953547737,"endHours":18.574018953547736,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:22","end":"18:55","startHours":18.374018953547736,"endHours":18.91489940447556,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:07","end":"19:52","startHours":18.124018953547736,"endHours":19.874018953547736,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:27","end":"00:19","startHours":23.450749181671625,"endHours":24.31615790315614,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:24","end":"07:01","startHours":5.392888131280027,"endHours":7.0155294840634905,"quality":"auspicious"},{"name":"Amṛta","start":"07:01","end":"08:38","startHours":7.0155294840634905,"endHours":8.638170836846953,"quality":"auspicious"},{"name":"Kāla","start":"08:38","end":"10:16","startHours":8.638170836846953,"endHours":10.260812189630418,"quality":"inauspicious"},{"name":"Śubha","start":"10:16","end":"11:53","startHours":10.260812189630418,"endHours":11.883453542413882,"quality":"auspicious"},{"name":"Roga","start":"11:53","end":"13:30","startHours":11.883453542413882,"endHours":13.506094895197347,"quality":"inauspicious"},{"name":"Udveg","start":"13:30","end":"15:08","startHours":13.506094895197347,"endHours":15.128736247980807,"quality":"inauspicious"},{"name":"Chala","start":"15:08","end":"16:45","startHours":15.128736247980807,"endHours":16.751377600764272,"quality":"neutral"},{"name":"Labha","start":"16:45","end":"18:22","startHours":16.751377600764272,"endHours":18.374018953547736,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:22","end":"19:45","startHours":18.374018953547736,"endHours":19.751377600764272,"quality":"inauspicious"},{"name":"Chala","start":"19:45","end":"21:08","startHours":19.751377600764272,"endHours":21.12873624798081,"quality":"neutral"},{"name":"Labha","start":"21:08","end":"22:30","startHours":21.12873624798081,"endHours":22.506094895197347,"quality":"auspicious"},{"name":"Amṛta","start":"22:30","end":"23:53","startHours":22.506094895197347,"endHours":23.883453542413882,"quality":"auspicious"},{"name":"Kāla","start":"23:53","end":"01:16","startHours":23.883453542413882,"endHours":25.260812189630418,"quality":"inauspicious"},{"name":"Śubha","start":"01:16","end":"02:38","startHours":25.260812189630418,"endHours":26.638170836846953,"quality":"auspicious"},{"name":"Roga","start":"02:38","end":"04:01","startHours":26.638170836846953,"endHours":28.015529484063492,"quality":"inauspicious"},{"name":"Udveg","start":"04:01","end":"05:24","startHours":28.015529484063492,"endHours":29.392888131280028,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:24","end":"06:24","startHours":5.392888131280027,"endHours":6.392888131280027,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:24","end":"07:24","startHours":6.392888131280027,"endHours":7.392888131280027,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:24","end":"08:24","startHours":7.392888131280027,"endHours":8.392888131280028,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:24","end":"09:24","startHours":8.392888131280028,"endHours":9.392888131280028,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:24","end":"10:24","startHours":9.392888131280028,"endHours":10.392888131280028,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:24","end":"11:24","startHours":10.392888131280028,"endHours":11.392888131280028,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:24","end":"12:24","startHours":11.392888131280028,"endHours":12.392888131280028,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:24","end":"13:24","startHours":12.392888131280028,"endHours":13.392888131280028,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:24","end":"14:24","startHours":13.392888131280028,"endHours":14.392888131280028,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:24","end":"15:24","startHours":14.392888131280028,"endHours":15.392888131280028,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:24","end":"16:24","startHours":15.392888131280028,"endHours":16.392888131280028,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:24","end":"17:24","startHours":16.392888131280028,"endHours":17.392888131280028,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:24","end":"18:24","startHours":17.392888131280028,"endHours":18.392888131280028,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:24","end":"19:24","startHours":18.392888131280028,"endHours":19.392888131280028,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:24","end":"20:24","startHours":19.392888131280028,"endHours":20.392888131280028,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:24","end":"21:24","startHours":20.392888131280028,"endHours":21.392888131280028,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:24","end":"22:24","startHours":21.392888131280028,"endHours":22.392888131280028,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:24","end":"23:24","startHours":22.392888131280028,"endHours":23.392888131280028,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:24","end":"00:24","startHours":23.392888131280028,"endHours":24.392888131280028,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:24","end":"01:24","startHours":24.392888131280028,"endHours":25.392888131280028,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:24","end":"02:24","startHours":25.392888131280028,"endHours":26.392888131280028,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:24","end":"03:24","startHours":26.392888131280028,"endHours":27.392888131280028,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:24","end":"04:24","startHours":27.392888131280028,"endHours":28.392888131280028,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:24","end":"05:24","startHours":28.392888131280028,"endHours":29.392888131280028,"planetary_lord":"Sun"}],"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","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"North","rahuVasa":"South-West","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":6.894559412244178,"eotMinutes":-2.4880125448329173,"ayanamsa":23.9126}},"calendars":{"vikram_samvat":2061,"vikram_samvatsara":"Hemalambī","saka_samvat":1926,"saka_samvatsara":"Tāraṇa","bengali_samvat":1411,"malayalam_era":1180,"nanakshahi_year":535,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Dvitīyā · Vikram 2061 Hemalambī · Śaka 1926 Tāraṇa"},"festivals":[],"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":[]},"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 April 7, 2004 CE · Chicago, USA · Vidhyamitra","description":"April 7, 2004 CE for Chicago, USA: Kṛṣṇa Dvitīyā, sūryodaya 05:24, sūryāsta 18:22.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chicago/2004-04-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chicago/2004-04-07","sa":"https://sa.vidhyamitra.com/city/chicago/2004-04-07","hi":"https://hi.vidhyamitra.com/city/chicago/2004-04-07","x-default":"https://vidhyamitra.com/city/chicago/2004-04-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T21:29:48.952Z","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":"2026-06-02T21:29:48.952Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T21:29:48.952Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}