{"id":"vidhyamitra:city-day:chicago:1982-04-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chicago/1982-04-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1982-04-28","date_display":"April 28, 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":4,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445087.770833,"kali_year":5084,"ahargana":1856622.2708,"sun":{"sidereal_longitude":13.9513,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":68.7128,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":54.7615,"elapsed_within_tithi_degrees":6.7615},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":68.7128,"elapsed_within_degrees":2.0461},"yoga":{"number":7,"name":"Sukarma","sum_longitude":82.6641},"karana":{"half_tithi_index":9,"name":"Bālava"},"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":1982,"month":4,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2445087.770833,"ahargana":1856622.2708,"kali_year":5084,"ayanamsa_lahiri":23.606,"grahas":{"sun":{"sidereal_longitude":13.834723999999994,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":71.42562399999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false,"latitude":-1.4269},"mars":{"sidereal_longitude":158.14872400000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":30.968623999999977,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":192.07342400000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":true},"venus":{"sidereal_longitude":329.487024,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":173.63822400000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":87.2174,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":267.2174,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":1982,"month":4,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445087.770833,"kali_year":5084,"ahargana":1856622.2708,"sun":{"sidereal_longitude":13.9513,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":68.7128,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":54.7615,"elapsed_within_tithi_degrees":6.7615},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":68.7128,"elapsed_within_degrees":2.0461},"yoga":{"number":7,"name":"Sukarma","sum_longitude":82.6641},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.427,"elongation":54.762},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.427,"opposition_distance":125.238}},"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":"04:52","sunsetLocal":"18:44","solarNoonLocal":"11:48","dayLengthHours":13.879392951461234,"dayLengthDisplay":"13 Hours 52 Mins 46 Secs","nightLengthDisplay":"10 Hours 07 Mins 14 Secs","moonriseLocal":"08:04","moonsetLocal":"23:13","rahuKala":{"name":"Rāhu Kāla","start":"11:48","end":"13:32","startHours":11.800447164076338,"endHours":13.535371283008992,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:36","end":"08:20","startHours":6.5956748072783755,"endHours":8.33059892621103,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:04","end":"11:48","startHours":10.065523045143685,"endHours":11.800447164076338,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:06","end":"08:34","startHours":8.099275710353343,"endHours":8.561922142068717,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:26","end":"05:49","startHours":5.43905872798994,"endHours":5.809175873362239,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:20","end":"12:16","startHours":11.337800732360964,"endHours":12.263093595791712,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:01","end":"03:56","startHours":3.0101649614842234,"endHours":3.9354578249149723,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:42","end":"04:52","startHours":3.704134609057285,"endHours":4.860750688345721,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:07","end":"15:02","startHours":14.113679322653212,"endHours":15.038972186083962,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:32","end":"18:56","startHours":18.540143639806956,"endHours":18.940143639806955,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:44","end":"19:19","startHours":18.740143639806956,"endHours":19.318451679451172,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:29","end":"20:14","startHours":18.490143639806956,"endHours":20.240143639806956,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:20","end":"00:16","startHours":23.337800732360964,"endHours":24.263093595791712,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"04:52","end":"06:36","startHours":4.860750688345721,"endHours":6.5956748072783755,"quality":"auspicious"},{"name":"Amṛta","start":"06:36","end":"08:20","startHours":6.5956748072783755,"endHours":8.33059892621103,"quality":"auspicious"},{"name":"Kāla","start":"08:20","end":"10:04","startHours":8.33059892621103,"endHours":10.065523045143685,"quality":"inauspicious"},{"name":"Śubha","start":"10:04","end":"11:48","startHours":10.065523045143685,"endHours":11.800447164076338,"quality":"auspicious"},{"name":"Roga","start":"11:48","end":"13:32","startHours":11.800447164076338,"endHours":13.535371283008992,"quality":"inauspicious"},{"name":"Udveg","start":"13:32","end":"15:16","startHours":13.535371283008992,"endHours":15.270295401941647,"quality":"inauspicious"},{"name":"Chala","start":"15:16","end":"17:00","startHours":15.270295401941647,"endHours":17.005219520874302,"quality":"neutral"},{"name":"Labha","start":"17:00","end":"18:44","startHours":17.005219520874302,"endHours":18.740143639806956,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:44","end":"20:00","startHours":18.740143639806956,"endHours":20.005219520874302,"quality":"inauspicious"},{"name":"Chala","start":"20:00","end":"21:16","startHours":20.005219520874302,"endHours":21.270295401941645,"quality":"neutral"},{"name":"Labha","start":"21:16","end":"22:32","startHours":21.270295401941645,"endHours":22.535371283008992,"quality":"auspicious"},{"name":"Amṛta","start":"22:32","end":"23:48","startHours":22.535371283008992,"endHours":23.80044716407634,"quality":"auspicious"},{"name":"Kāla","start":"23:48","end":"01:04","startHours":23.80044716407634,"endHours":25.065523045143685,"quality":"inauspicious"},{"name":"Śubha","start":"01:04","end":"02:20","startHours":25.065523045143685,"endHours":26.33059892621103,"quality":"auspicious"},{"name":"Roga","start":"02:20","end":"03:36","startHours":26.33059892621103,"endHours":27.595674807278375,"quality":"inauspicious"},{"name":"Udveg","start":"03:36","end":"04:52","startHours":27.595674807278375,"endHours":28.86075068834572,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"04:52","end":"05:52","startHours":4.860750688345721,"endHours":5.860750688345721,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"05:52","end":"06:52","startHours":5.860750688345721,"endHours":6.860750688345721,"planetary_lord":"Venus"},{"name":"Hora 3","start":"06:52","end":"07:52","startHours":6.860750688345721,"endHours":7.860750688345721,"planetary_lord":"Sun"},{"name":"Hora 4","start":"07:52","end":"08:52","startHours":7.860750688345721,"endHours":8.860750688345721,"planetary_lord":"Mars"},{"name":"Hora 5","start":"08:52","end":"09:52","startHours":8.860750688345721,"endHours":9.860750688345721,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"09:52","end":"10:52","startHours":9.860750688345721,"endHours":10.860750688345721,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"10:52","end":"11:52","startHours":10.860750688345721,"endHours":11.860750688345721,"planetary_lord":"Moon"},{"name":"Hora 8","start":"11:52","end":"12:52","startHours":11.860750688345721,"endHours":12.860750688345721,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"12:52","end":"13:52","startHours":12.860750688345721,"endHours":13.860750688345721,"planetary_lord":"Venus"},{"name":"Hora 10","start":"13:52","end":"14:52","startHours":13.860750688345721,"endHours":14.860750688345721,"planetary_lord":"Sun"},{"name":"Hora 11","start":"14:52","end":"15:52","startHours":14.860750688345721,"endHours":15.860750688345721,"planetary_lord":"Mars"},{"name":"Hora 12","start":"15:52","end":"16:52","startHours":15.860750688345721,"endHours":16.86075068834572,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"16:52","end":"17:52","startHours":16.86075068834572,"endHours":17.86075068834572,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"17:52","end":"18:52","startHours":17.86075068834572,"endHours":18.86075068834572,"planetary_lord":"Moon"},{"name":"Hora 15","start":"18:52","end":"19:52","startHours":18.86075068834572,"endHours":19.86075068834572,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"19:52","end":"20:52","startHours":19.86075068834572,"endHours":20.86075068834572,"planetary_lord":"Venus"},{"name":"Hora 17","start":"20:52","end":"21:52","startHours":20.86075068834572,"endHours":21.86075068834572,"planetary_lord":"Sun"},{"name":"Hora 18","start":"21:52","end":"22:52","startHours":21.86075068834572,"endHours":22.86075068834572,"planetary_lord":"Mars"},{"name":"Hora 19","start":"22:52","end":"23:52","startHours":22.86075068834572,"endHours":23.86075068834572,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"23:52","end":"00:52","startHours":23.86075068834572,"endHours":24.86075068834572,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"00:52","end":"01:52","startHours":24.86075068834572,"endHours":25.86075068834572,"planetary_lord":"Moon"},{"name":"Hora 22","start":"01:52","end":"02:52","startHours":25.86075068834572,"endHours":26.86075068834572,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"02:52","end":"03:52","startHours":26.86075068834572,"endHours":27.86075068834572,"planetary_lord":"Venus"},{"name":"Hora 24","start":"03:52","end":"04:52","startHours":27.86075068834572,"endHours":28.86075068834572,"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","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"South-West","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":13.992660718943547,"eotMinutes":2.4923701554198168,"ayanamsa":23.606}},"calendars":{"vikram_samvat":2039,"vikram_samvatsara":"Yuva","saka_samvat":1904,"saka_samvatsara":"Dundubhi","bengali_samvat":1389,"malayalam_era":1158,"nanakshahi_year":513,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Pañcamī · Vikram 2039 Yuva · Śaka 1904 Dundubhi"},"festivals":[{"id":"shankara-jayanti","name":"Ādi Śaṅkarācārya Jayantī","name_sanskrit":"आदि शङ्कराचार्य जयन्ती","tradition":"Smarta","associated_deity":"Ādi Śaṅkarācārya","significance":"Birth of Ādi Śaṅkara at Kāladī, Kerala; Advaita-pratiṣṭhāpaka.","vrata":false,"detection":{"tithi_number":5,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":3}],"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 28, 1982 CE · Chicago, USA · Vidhyamitra","description":"April 28, 1982 CE for Chicago, USA: Śukla Pañcamī, sūryodaya 04:52, sūryāsta 18:44.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chicago/1982-04-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chicago/1982-04-28","sa":"https://sa.vidhyamitra.com/city/chicago/1982-04-28","hi":"https://hi.vidhyamitra.com/city/chicago/1982-04-28","x-default":"https://vidhyamitra.com/city/chicago/1982-04-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T03:58:47.310Z","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":"2026-06-02T03:58:47.310Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T03:58:47.310Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}