{"id":"vidhyamitra:city-day:chicago:1963-07-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chicago/1963-07-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1963-07-28","date_display":"July 28, 1963 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":1963,"month":7,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438238.770833,"kali_year":5065,"ahargana":1849773.2708,"sun":{"sidereal_longitude":100.501,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":185.5876,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":85.0866,"elapsed_within_tithi_degrees":1.0866},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":185.5876,"elapsed_within_degrees":12.2543},"yoga":{"number":22,"name":"Sādhya","sum_longitude":286.0887},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"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":1963,"month":7,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2438238.770833,"ahargana":1849773.2708,"kali_year":5065,"ayanamsa_lahiri":23.3441,"grahas":{"sun":{"sidereal_longitude":100.92490599999996,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"moon":{"sidereal_longitude":185.33310600000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false,"latitude":4.4794},"mars":{"sidereal_longitude":157.71390599999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":116.220506,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":356.570806,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":92.38750600000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":298.312906,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":90.1104,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":270.1104,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":1963,"month":7,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438238.770833,"kali_year":5065,"ahargana":1849773.2708,"sun":{"sidereal_longitude":100.501,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":185.5876,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":85.0866,"elapsed_within_tithi_degrees":1.0866},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":185.5876,"elapsed_within_degrees":12.2543},"yoga":{"number":22,"name":"Sādhya","sum_longitude":286.0887},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.479,"elongation":85.087},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.479,"opposition_distance":94.913}},"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":"04:39","sunsetLocal":"19:14","solarNoonLocal":"11:57","dayLengthHours":14.59101714722486,"dayLengthDisplay":"14 Hours 35 Mins 28 Secs","nightLengthDisplay":"9 Hours 24 Mins 32 Secs","moonriseLocal":"12:11","moonsetLocal":"22:57","rahuKala":{"name":"Rāhu Kāla","start":"17:25","end":"19:14","startHours":17.41645730814934,"endHours":19.24033445155245,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:57","end":"13:46","startHours":11.94482587794002,"endHours":13.768703021343125,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:36","end":"17:25","startHours":15.592580164746234,"endHours":17.41645730814934,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:03","end":"08:32","startHours":8.053887972013388,"endHours":8.540255210254218,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:15","end":"05:39","startHours":5.257276352128624,"endHours":5.646370142721287,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:28","end":"12:26","startHours":11.45845863969919,"endHours":12.431193116180848,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"02:42","end":"03:41","startHours":2.7038483513642735,"endHours":3.6765828278459307,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:26","end":"04:39","startHours":3.4333992087255165,"endHours":4.649317304327588,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:23","end":"15:21","startHours":14.37666206914416,"endHours":15.349396545625817,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:02","end":"19:26","startHours":19.04033445155245,"endHours":19.44033445155245,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:14","end":"19:51","startHours":19.24033445155245,"endHours":19.848293499353485,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:59","end":"20:44","startHours":18.99033445155245,"endHours":20.74033445155245,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:28","end":"00:26","startHours":23.45845863969919,"endHours":24.431193116180847,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"04:39","end":"06:28","startHours":4.649317304327588,"endHours":6.4731944477306955,"quality":"inauspicious"},{"name":"Chala","start":"06:28","end":"08:18","startHours":6.4731944477306955,"endHours":8.297071591133804,"quality":"neutral"},{"name":"Labha","start":"08:18","end":"10:07","startHours":8.297071591133804,"endHours":10.12094873453691,"quality":"auspicious"},{"name":"Amṛta","start":"10:07","end":"11:57","startHours":10.12094873453691,"endHours":11.94482587794002,"quality":"auspicious"},{"name":"Kāla","start":"11:57","end":"13:46","startHours":11.94482587794002,"endHours":13.768703021343125,"quality":"inauspicious"},{"name":"Śubha","start":"13:46","end":"15:36","startHours":13.768703021343125,"endHours":15.592580164746234,"quality":"auspicious"},{"name":"Roga","start":"15:36","end":"17:25","startHours":15.592580164746234,"endHours":17.41645730814934,"quality":"inauspicious"},{"name":"Udveg","start":"17:25","end":"19:14","startHours":17.41645730814934,"endHours":19.24033445155245,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:14","end":"20:25","startHours":19.24033445155245,"endHours":20.41645730814934,"quality":"auspicious"},{"name":"Roga","start":"20:25","end":"21:36","startHours":20.41645730814934,"endHours":21.592580164746234,"quality":"inauspicious"},{"name":"Udveg","start":"21:36","end":"22:46","startHours":21.592580164746234,"endHours":22.76870302134313,"quality":"inauspicious"},{"name":"Chala","start":"22:46","end":"23:57","startHours":22.76870302134313,"endHours":23.94482587794002,"quality":"neutral"},{"name":"Labha","start":"23:57","end":"01:07","startHours":23.94482587794002,"endHours":25.12094873453691,"quality":"auspicious"},{"name":"Amṛta","start":"01:07","end":"02:18","startHours":25.12094873453691,"endHours":26.297071591133804,"quality":"auspicious"},{"name":"Kāla","start":"02:18","end":"03:28","startHours":26.297071591133804,"endHours":27.473194447730698,"quality":"inauspicious"},{"name":"Śubha","start":"03:28","end":"04:39","startHours":27.473194447730698,"endHours":28.64931730432759,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"04:39","end":"05:39","startHours":4.649317304327588,"endHours":5.649317304327588,"planetary_lord":"Sun"},{"name":"Hora 2","start":"05:39","end":"06:39","startHours":5.649317304327588,"endHours":6.649317304327588,"planetary_lord":"Mars"},{"name":"Hora 3","start":"06:39","end":"07:39","startHours":6.649317304327588,"endHours":7.649317304327588,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"07:39","end":"08:39","startHours":7.649317304327588,"endHours":8.649317304327589,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"08:39","end":"09:39","startHours":8.649317304327589,"endHours":9.649317304327589,"planetary_lord":"Moon"},{"name":"Hora 6","start":"09:39","end":"10:39","startHours":9.649317304327589,"endHours":10.649317304327589,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"10:39","end":"11:39","startHours":10.649317304327589,"endHours":11.649317304327589,"planetary_lord":"Venus"},{"name":"Hora 8","start":"11:39","end":"12:39","startHours":11.649317304327589,"endHours":12.649317304327589,"planetary_lord":"Sun"},{"name":"Hora 9","start":"12:39","end":"13:39","startHours":12.649317304327589,"endHours":13.649317304327589,"planetary_lord":"Mars"},{"name":"Hora 10","start":"13:39","end":"14:39","startHours":13.649317304327589,"endHours":14.649317304327589,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"14:39","end":"15:39","startHours":14.649317304327589,"endHours":15.649317304327589,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"15:39","end":"16:39","startHours":15.649317304327589,"endHours":16.64931730432759,"planetary_lord":"Moon"},{"name":"Hora 13","start":"16:39","end":"17:39","startHours":16.64931730432759,"endHours":17.64931730432759,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"17:39","end":"18:39","startHours":17.64931730432759,"endHours":18.64931730432759,"planetary_lord":"Venus"},{"name":"Hora 15","start":"18:39","end":"19:39","startHours":18.64931730432759,"endHours":19.64931730432759,"planetary_lord":"Sun"},{"name":"Hora 16","start":"19:39","end":"20:39","startHours":19.64931730432759,"endHours":20.64931730432759,"planetary_lord":"Mars"},{"name":"Hora 17","start":"20:39","end":"21:39","startHours":20.64931730432759,"endHours":21.64931730432759,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"21:39","end":"22:39","startHours":21.64931730432759,"endHours":22.64931730432759,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"22:39","end":"23:39","startHours":22.64931730432759,"endHours":23.64931730432759,"planetary_lord":"Moon"},{"name":"Hora 20","start":"23:39","end":"00:39","startHours":23.64931730432759,"endHours":24.64931730432759,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"00:39","end":"01:39","startHours":24.64931730432759,"endHours":25.64931730432759,"planetary_lord":"Venus"},{"name":"Hora 22","start":"01:39","end":"02:39","startHours":25.64931730432759,"endHours":26.64931730432759,"planetary_lord":"Sun"},{"name":"Hora 23","start":"02:39","end":"03:39","startHours":26.64931730432759,"endHours":27.64931730432759,"planetary_lord":"Mars"},{"name":"Hora 24","start":"03:39","end":"04:39","startHours":27.64931730432759,"endHours":28.64931730432759,"planetary_lord":"Jupiter"}],"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","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":19.189119528802866,"eotMinutes":-6.170352676401169,"ayanamsa":23.3441}},"calendars":{"vikram_samvat":2020,"vikram_samvatsara":"Nala","saka_samvat":1885,"saka_samvatsara":"Śobhana","bengali_samvat":1370,"malayalam_era":1139,"nanakshahi_year":494,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Aṣṭamī · Vikram 2020 Nala · Śaka 1885 Śobhana"},"festivals":[],"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":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","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 28, 1963 CE · Chicago, USA · Vidhyamitra","description":"July 28, 1963 CE for Chicago, USA: Śukla Aṣṭamī, sūryodaya 04:39, sūryāsta 19:14.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chicago/1963-07-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chicago/1963-07-28","sa":"https://sa.vidhyamitra.com/city/chicago/1963-07-28","hi":"https://hi.vidhyamitra.com/city/chicago/1963-07-28","x-default":"https://vidhyamitra.com/city/chicago/1963-07-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T09:08:27.405Z","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":"2026-06-03T09:08:27.405Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T09:08:27.405Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}