{"id":"vidhyamitra:city-day:chicago:1982-07-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chicago/1982-07-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1982-07-04","date_display":"July 4, 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":7,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445154.770833,"kali_year":5084,"ahargana":1856689.2708,"sun":{"sidereal_longitude":77.8394,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":232.2812,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":154.4419,"elapsed_within_tithi_degrees":10.4419},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2,"moon_longitude":232.2812,"elapsed_within_degrees":5.6146},"yoga":{"number":24,"name":"Śukla","sum_longitude":310.1206},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":7,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2445154.770833,"ahargana":1856689.2708,"kali_year":5084,"ayanamsa_lahiri":23.6086,"grahas":{"sun":{"sidereal_longitude":78.15236400000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":233.471364,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false,"latitude":2.3419},"mars":{"sidereal_longitude":170.91896399999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":57.871763999999985,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":187.45806399999992,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":46.76516400000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":171.79546400000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":83.6674,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":263.6674,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"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":7,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445154.770833,"kali_year":5084,"ahargana":1856689.2708,"sun":{"sidereal_longitude":77.8394,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":232.2812,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":154.4419,"elapsed_within_tithi_degrees":10.4419},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2,"moon_longitude":232.2812,"elapsed_within_degrees":5.6146},"yoga":{"number":24,"name":"Śukla","sum_longitude":310.1206},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.342,"elongation":154.442},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.342,"opposition_distance":25.558}},"eclipse_window_40days":[{"offset_days":2,"type":"lunar","occurs":true,"moon_latitude":0.481,"opposition_distance":2.313}]},"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":"04:20","sunsetLocal":"19:29","solarNoonLocal":"11:55","dayLengthHours":15.145563914045546,"dayLengthDisplay":"15 Hours 08 Mins 44 Secs","nightLengthDisplay":"8 Hours 51 Mins 16 Secs","moonriseLocal":"17:41","moonsetLocal":"02:51","rahuKala":{"name":"Rāhu Kāla","start":"17:35","end":"19:29","startHours":17.588561688709785,"endHours":19.481757177965477,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:55","end":"13:48","startHours":11.908975220942704,"endHours":13.802170710198396,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:42","end":"17:35","startHours":15.695366199454092,"endHours":17.588561688709785,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"07:52","end":"08:23","startHours":7.870158177197226,"endHours":8.375010307665411,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"04:58","end":"05:22","startHours":4.967258427005163,"endHours":5.371140131379711,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:24","end":"12:25","startHours":11.404123090474519,"endHours":12.41382735141089,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"02:19","end":"03:20","startHours":2.3167847420471923,"endHours":3.3264890029835623,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:04","end":"04:20","startHours":3.0740629377494697,"endHours":4.336193263919932,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:27","startHours":14.433235873283628,"endHours":15.442940134219999,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:17","end":"19:41","startHours":19.281757177965478,"endHours":19.681757177965476,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:29","end":"20:07","startHours":19.481757177965477,"endHours":20.11282234105071,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:14","end":"20:59","startHours":19.231757177965477,"endHours":20.981757177965477,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:24","end":"00:25","startHours":23.40412309047452,"endHours":24.413827351410887,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"04:20","end":"06:14","startHours":4.336193263919932,"endHours":6.229388753175625,"quality":"inauspicious"},{"name":"Chala","start":"06:14","end":"08:07","startHours":6.229388753175625,"endHours":8.12258424243132,"quality":"neutral"},{"name":"Labha","start":"08:07","end":"10:01","startHours":8.12258424243132,"endHours":10.015779731687012,"quality":"auspicious"},{"name":"Amṛta","start":"10:01","end":"11:55","startHours":10.015779731687012,"endHours":11.908975220942704,"quality":"auspicious"},{"name":"Kāla","start":"11:55","end":"13:48","startHours":11.908975220942704,"endHours":13.802170710198396,"quality":"inauspicious"},{"name":"Śubha","start":"13:48","end":"15:42","startHours":13.802170710198396,"endHours":15.695366199454092,"quality":"auspicious"},{"name":"Roga","start":"15:42","end":"17:35","startHours":15.695366199454092,"endHours":17.588561688709785,"quality":"inauspicious"},{"name":"Udveg","start":"17:35","end":"19:29","startHours":17.588561688709785,"endHours":19.481757177965477,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:29","end":"20:35","startHours":19.481757177965477,"endHours":20.588561688709785,"quality":"auspicious"},{"name":"Roga","start":"20:35","end":"21:42","startHours":20.588561688709785,"endHours":21.695366199454092,"quality":"inauspicious"},{"name":"Udveg","start":"21:42","end":"22:48","startHours":21.695366199454092,"endHours":22.802170710198396,"quality":"inauspicious"},{"name":"Chala","start":"22:48","end":"23:55","startHours":22.802170710198396,"endHours":23.908975220942704,"quality":"neutral"},{"name":"Labha","start":"23:55","end":"01:01","startHours":23.908975220942704,"endHours":25.01577973168701,"quality":"auspicious"},{"name":"Amṛta","start":"01:01","end":"02:07","startHours":25.01577973168701,"endHours":26.122584242431316,"quality":"auspicious"},{"name":"Kāla","start":"02:07","end":"03:14","startHours":26.122584242431316,"endHours":27.229388753175623,"quality":"inauspicious"},{"name":"Śubha","start":"03:14","end":"04:20","startHours":27.229388753175623,"endHours":28.33619326391993,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"04:20","end":"05:20","startHours":4.336193263919932,"endHours":5.336193263919932,"planetary_lord":"Sun"},{"name":"Hora 2","start":"05:20","end":"06:20","startHours":5.336193263919932,"endHours":6.336193263919932,"planetary_lord":"Mars"},{"name":"Hora 3","start":"06:20","end":"07:20","startHours":6.336193263919932,"endHours":7.336193263919932,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"07:20","end":"08:20","startHours":7.336193263919932,"endHours":8.336193263919931,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"08:20","end":"09:20","startHours":8.336193263919931,"endHours":9.336193263919931,"planetary_lord":"Moon"},{"name":"Hora 6","start":"09:20","end":"10:20","startHours":9.336193263919931,"endHours":10.336193263919931,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"10:20","end":"11:20","startHours":10.336193263919931,"endHours":11.336193263919931,"planetary_lord":"Venus"},{"name":"Hora 8","start":"11:20","end":"12:20","startHours":11.336193263919931,"endHours":12.336193263919931,"planetary_lord":"Sun"},{"name":"Hora 9","start":"12:20","end":"13:20","startHours":12.336193263919931,"endHours":13.336193263919931,"planetary_lord":"Mars"},{"name":"Hora 10","start":"13:20","end":"14:20","startHours":13.336193263919931,"endHours":14.336193263919931,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"14:20","end":"15:20","startHours":14.336193263919931,"endHours":15.336193263919931,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"15:20","end":"16:20","startHours":15.336193263919931,"endHours":16.33619326391993,"planetary_lord":"Moon"},{"name":"Hora 13","start":"16:20","end":"17:20","startHours":16.33619326391993,"endHours":17.33619326391993,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"17:20","end":"18:20","startHours":17.33619326391993,"endHours":18.33619326391993,"planetary_lord":"Venus"},{"name":"Hora 15","start":"18:20","end":"19:20","startHours":18.33619326391993,"endHours":19.33619326391993,"planetary_lord":"Sun"},{"name":"Hora 16","start":"19:20","end":"20:20","startHours":19.33619326391993,"endHours":20.33619326391993,"planetary_lord":"Mars"},{"name":"Hora 17","start":"20:20","end":"21:20","startHours":20.33619326391993,"endHours":21.33619326391993,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"21:20","end":"22:20","startHours":21.33619326391993,"endHours":22.33619326391993,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"22:20","end":"23:20","startHours":22.33619326391993,"endHours":23.33619326391993,"planetary_lord":"Moon"},{"name":"Hora 20","start":"23:20","end":"00:20","startHours":23.33619326391993,"endHours":24.33619326391993,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"00:20","end":"01:20","startHours":24.33619326391993,"endHours":25.33619326391993,"planetary_lord":"Venus"},{"name":"Hora 22","start":"01:20","end":"02:20","startHours":25.33619326391993,"endHours":26.33619326391993,"planetary_lord":"Sun"},{"name":"Hora 23","start":"02:20","end":"03:20","startHours":26.33619326391993,"endHours":27.33619326391993,"planetary_lord":"Mars"},{"name":"Hora 24","start":"03:20","end":"04:20","startHours":27.33619326391993,"endHours":28.33619326391993,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"North-East","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":22.916092110863417,"eotMinutes":-4.019313256562166,"ayanamsa":23.6086}},"calendars":{"vikram_samvat":2039,"vikram_samvatsara":"Yuva","saka_samvat":1904,"saka_samvatsara":"Dundubhi","bengali_samvat":1389,"malayalam_era":1158,"nanakshahi_year":513,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āṣāḍha","lunar_month_amanta":"Āṣāḍha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Trayodaśī · Vikram 2039 Yuva · Śaka 1904 Dundubhi"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","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 July 4, 1982 CE · Chicago, USA · Vidhyamitra","description":"July 4, 1982 CE for Chicago, USA: Śukla Trayodaśī, sūryodaya 04:20, sūryāsta 19:29.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chicago/1982-07-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chicago/1982-07-04","sa":"https://sa.vidhyamitra.com/city/chicago/1982-07-04","hi":"https://hi.vidhyamitra.com/city/chicago/1982-07-04","x-default":"https://vidhyamitra.com/city/chicago/1982-07-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T19:36:52.848Z","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":"2026-06-01T19:36:52.848Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T19:36:52.848Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}