{"id":"vidhyamitra:city-day:chicago:2004-01-29:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chicago/2004-01-29","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2004-01-29","date_display":"January 29, 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":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453033.770833,"kali_year":5105,"ahargana":1864568.2708,"sun":{"sidereal_longitude":284.5329,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":11.0043,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":86.4714,"elapsed_within_tithi_degrees":2.4714},"nakshatra":{"number":1,"name":"Aśvinī","pada":4,"moon_longitude":11.0043,"elapsed_within_degrees":11.0043},"yoga":{"number":23,"name":"Śubha","sum_longitude":295.5373},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"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":2004,"month":1,"day":29,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2453033.770833,"ahargana":1864568.2708,"kali_year":5105,"ayanamsa_lahiri":23.9099,"grahas":{"sun":{"sidereal_longitude":284.55072799999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"moon":{"sidereal_longitude":12.230827999999974,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false,"latitude":-1.1784},"mars":{"sidereal_longitude":2.5815279999999916,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":262.8968279999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":144.06072800000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":323.34322799999995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":73.57022799999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":26.2001,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":206.2001,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","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":2004,"month":1,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453033.770833,"kali_year":5105,"ahargana":1864568.2708,"sun":{"sidereal_longitude":284.5329,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":11.0043,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":86.4714,"elapsed_within_tithi_degrees":2.4714},"nakshatra":{"number":1,"name":"Aśvinī","pada":4,"moon_longitude":11.0043,"elapsed_within_degrees":11.0043},"yoga":{"number":23,"name":"Śubha","sum_longitude":295.5373},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.178,"elongation":86.471},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.178,"opposition_distance":93.529}},"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":"07:07","sunsetLocal":"17:00","solarNoonLocal":"12:04","dayLengthHours":9.885320501384285,"dayLengthDisplay":"9 Hours 53 Mins 07 Secs","nightLengthDisplay":"14 Hours 06 Mins 53 Secs","moonriseLocal":"11:01","moonsetLocal":"00:48","rahuKala":{"name":"Rāhu Kāla","start":"13:18","end":"14:32","startHours":13.297187095551607,"endHours":14.532852158224642,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:07","end":"08:21","startHours":7.118861782186428,"endHours":8.354526844859464,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:35","end":"10:50","startHours":9.5901919075325,"endHours":10.825856970205535,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:26","end":"09:45","startHours":9.425436565842762,"endHours":9.754947249222237,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:32","end":"07:48","startHours":7.530750136410774,"endHours":7.794358683114354,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:44","end":"12:23","startHours":11.732011349499095,"endHours":12.391032716258048,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:48","end":"06:28","startHours":5.800819048668524,"endHours":6.459840415427476,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:18","end":"07:07","startHours":6.295085073737738,"endHours":7.118861782186428,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:43","end":"14:22","startHours":13.709075449775952,"endHours":14.368096816534905,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:48","end":"17:12","startHours":16.804182283570714,"endHours":17.204182283570713,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:00","end":"17:25","startHours":17.004182283570714,"endHours":17.41607063779506,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:45","end":"18:30","startHours":16.754182283570714,"endHours":18.504182283570714,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:44","end":"00:23","startHours":23.732011349499096,"endHours":24.391032716258046,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:07","end":"08:21","startHours":7.118861782186428,"endHours":8.354526844859464,"quality":"auspicious"},{"name":"Roga","start":"08:21","end":"09:35","startHours":8.354526844859464,"endHours":9.5901919075325,"quality":"inauspicious"},{"name":"Udveg","start":"09:35","end":"10:50","startHours":9.5901919075325,"endHours":10.825856970205535,"quality":"inauspicious"},{"name":"Chala","start":"10:50","end":"12:04","startHours":10.825856970205535,"endHours":12.061522032878571,"quality":"neutral"},{"name":"Labha","start":"12:04","end":"13:18","startHours":12.061522032878571,"endHours":13.297187095551607,"quality":"auspicious"},{"name":"Amṛta","start":"13:18","end":"14:32","startHours":13.297187095551607,"endHours":14.532852158224642,"quality":"auspicious"},{"name":"Kāla","start":"14:32","end":"15:46","startHours":14.532852158224642,"endHours":15.768517220897678,"quality":"inauspicious"},{"name":"Śubha","start":"15:46","end":"17:00","startHours":15.768517220897678,"endHours":17.004182283570714,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:00","end":"18:46","startHours":17.004182283570714,"endHours":18.768517220897678,"quality":"auspicious"},{"name":"Kāla","start":"18:46","end":"20:32","startHours":18.768517220897678,"endHours":20.532852158224642,"quality":"inauspicious"},{"name":"Śubha","start":"20:32","end":"22:18","startHours":20.532852158224642,"endHours":22.297187095551607,"quality":"auspicious"},{"name":"Roga","start":"22:18","end":"00:04","startHours":22.297187095551607,"endHours":24.06152203287857,"quality":"inauspicious"},{"name":"Udveg","start":"00:04","end":"01:50","startHours":24.06152203287857,"endHours":25.825856970205535,"quality":"inauspicious"},{"name":"Chala","start":"01:50","end":"03:35","startHours":25.825856970205535,"endHours":27.5901919075325,"quality":"neutral"},{"name":"Labha","start":"03:35","end":"05:21","startHours":27.5901919075325,"endHours":29.354526844859464,"quality":"auspicious"},{"name":"Amṛta","start":"05:21","end":"07:07","startHours":29.354526844859464,"endHours":31.11886178218643,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:07","end":"08:07","startHours":7.118861782186428,"endHours":8.118861782186428,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:07","end":"09:07","startHours":8.118861782186428,"endHours":9.118861782186428,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:07","end":"10:07","startHours":9.118861782186428,"endHours":10.118861782186428,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:07","end":"11:07","startHours":10.118861782186428,"endHours":11.118861782186428,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:07","end":"12:07","startHours":11.118861782186428,"endHours":12.118861782186428,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:07","end":"13:07","startHours":12.118861782186428,"endHours":13.118861782186428,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:07","end":"14:07","startHours":13.118861782186428,"endHours":14.118861782186428,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:07","end":"15:07","startHours":14.118861782186428,"endHours":15.118861782186428,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:07","end":"16:07","startHours":15.118861782186428,"endHours":16.11886178218643,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:07","end":"17:07","startHours":16.11886178218643,"endHours":17.11886178218643,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:07","end":"18:07","startHours":17.11886178218643,"endHours":18.11886178218643,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:07","end":"19:07","startHours":18.11886178218643,"endHours":19.11886178218643,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:07","end":"20:07","startHours":19.11886178218643,"endHours":20.11886178218643,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:07","end":"21:07","startHours":20.11886178218643,"endHours":21.11886178218643,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:07","end":"22:07","startHours":21.11886178218643,"endHours":22.11886178218643,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:07","end":"23:07","startHours":22.11886178218643,"endHours":23.11886178218643,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:07","end":"00:07","startHours":23.11886178218643,"endHours":24.11886178218643,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:07","end":"01:07","startHours":24.11886178218643,"endHours":25.11886178218643,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:07","end":"02:07","startHours":25.11886178218643,"endHours":26.11886178218643,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:07","end":"03:07","startHours":26.11886178218643,"endHours":27.11886178218643,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:07","end":"04:07","startHours":27.11886178218643,"endHours":28.11886178218643,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:07","end":"05:07","startHours":28.11886178218643,"endHours":29.11886178218643,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:07","end":"06:07","startHours":29.11886178218643,"endHours":30.11886178218643,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:07","end":"07:07","startHours":30.11886178218643,"endHours":31.11886178218643,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"East","rahuVasa":"North-West","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-18.145956714865726,"eotMinutes":-13.172121972714217,"ayanamsa":23.9099}},"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 Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Aṣṭamī · Vikram 2061 Hemalambī · Śaka 1926 Tāraṇa"},"festivals":[{"id":"bhishma-ashtami","name":"Bhīṣmāṣṭamī","name_sanskrit":"भीष्माष्टमी","tradition":"Pan-Hindu","associated_deity":"Bhīṣma Pitāmaha","significance":"Bhīṣma's mahaprasthāna anniversary (Māgha Śukla 8); Bhīṣma-tarpaṇa.","vrata":true,"detection":{"tithi_number":8,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":2,"sources":["Mahābhārata, Anuśāsana Parva"]}],"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":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","relevance":0.5},{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","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 29, 2004 CE · Chicago, USA · Vidhyamitra","description":"January 29, 2004 CE for Chicago, USA: Śukla Aṣṭamī, sūryodaya 07:07, sūryāsta 17:00.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chicago/2004-01-29","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chicago/2004-01-29","sa":"https://sa.vidhyamitra.com/city/chicago/2004-01-29","hi":"https://hi.vidhyamitra.com/city/chicago/2004-01-29","x-default":"https://vidhyamitra.com/city/chicago/2004-01-29"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T23:20:06.039Z","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":"2026-05-31T23:20:06.039Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T23:20:06.039Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}