{"id":"vidhyamitra:city-day:chicago:1982-04-08:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chicago/1982-04-08","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1982-04-08","date_display":"April 8, 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":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445067.770833,"kali_year":5083,"ahargana":1856602.2708,"sun":{"sidereal_longitude":354.4765,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":171.5315,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":177.055,"elapsed_within_tithi_degrees":9.055},"nakshatra":{"number":13,"name":"Hasta","pada":4,"moon_longitude":171.5315,"elapsed_within_degrees":11.5315},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":166.008},"karana":{"half_tithi_index":29,"name":"Bava"},"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":1982,"month":4,"day":8,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2445067.770833,"ahargana":1856602.2708,"kali_year":5083,"ayanamsa_lahiri":23.6053,"grahas":{"sun":{"sidereal_longitude":354.283888,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":169.75608799999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false,"latitude":4.4688},"mars":{"sidereal_longitude":163.96918800000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"mercury":{"sidereal_longitude":350.426388,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":194.523188,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":true},"venus":{"sidereal_longitude":308.194788,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":175.14148799999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":88.2771,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":268.2771,"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":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445067.770833,"kali_year":5083,"ahargana":1856602.2708,"sun":{"sidereal_longitude":354.4765,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":171.5315,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":177.055,"elapsed_within_tithi_degrees":9.055},"nakshatra":{"number":13,"name":"Hasta","pada":4,"moon_longitude":171.5315,"elapsed_within_degrees":11.5315},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":166.008},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.469,"elongation":177.055},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.469,"opposition_distance":2.945}},"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":"05:23","sunsetLocal":"18:23","solarNoonLocal":"11:53","dayLengthHours":12.996224172636673,"dayLengthDisplay":"12 Hours 59 Mins 46 Secs","nightLengthDisplay":"11 Hours 00 Mins 14 Secs","moonriseLocal":"17:50","moonsetLocal":"05:19","rahuKala":{"name":"Rāhu Kāla","start":"13:30","end":"15:08","startHours":13.503015531190751,"endHours":15.127543552770334,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:23","end":"07:00","startHours":5.38037542329283,"endHours":7.004903444872414,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:38","end":"10:15","startHours":8.629431466451997,"endHours":10.253959488031583,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:25","end":"08:51","startHours":8.412827730241387,"endHours":8.846035202662609,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:55","end":"06:16","startHours":5.921884763819358,"endHours":6.268450741756336,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:27","end":"12:19","startHours":11.445280037189944,"endHours":12.311694982032387,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:39","end":"04:31","startHours":3.64754553360794,"endHours":4.513960478450385,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:18","end":"05:23","startHours":4.297356742239774,"endHours":5.38037542329283,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:03","end":"14:55","startHours":14.044524871717279,"endHours":14.910939816559724,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:11","end":"18:35","startHours":18.176599595929503,"endHours":18.5765995959295,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:23","end":"18:55","startHours":18.376599595929502,"endHours":18.91810893645603,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:08","end":"19:53","startHours":18.126599595929502,"endHours":19.876599595929502,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:27","end":"00:19","startHours":23.445280037189942,"endHours":24.31169498203239,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:23","end":"07:00","startHours":5.38037542329283,"endHours":7.004903444872414,"quality":"auspicious"},{"name":"Roga","start":"07:00","end":"08:38","startHours":7.004903444872414,"endHours":8.629431466451997,"quality":"inauspicious"},{"name":"Udveg","start":"08:38","end":"10:15","startHours":8.629431466451997,"endHours":10.253959488031583,"quality":"inauspicious"},{"name":"Chala","start":"10:15","end":"11:53","startHours":10.253959488031583,"endHours":11.878487509611166,"quality":"neutral"},{"name":"Labha","start":"11:53","end":"13:30","startHours":11.878487509611166,"endHours":13.503015531190751,"quality":"auspicious"},{"name":"Amṛta","start":"13:30","end":"15:08","startHours":13.503015531190751,"endHours":15.127543552770334,"quality":"auspicious"},{"name":"Kāla","start":"15:08","end":"16:45","startHours":15.127543552770334,"endHours":16.75207157434992,"quality":"inauspicious"},{"name":"Śubha","start":"16:45","end":"18:23","startHours":16.75207157434992,"endHours":18.376599595929502,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:23","end":"19:45","startHours":18.376599595929502,"endHours":19.75207157434992,"quality":"auspicious"},{"name":"Kāla","start":"19:45","end":"21:08","startHours":19.75207157434992,"endHours":21.127543552770334,"quality":"inauspicious"},{"name":"Śubha","start":"21:08","end":"22:30","startHours":21.127543552770334,"endHours":22.503015531190748,"quality":"auspicious"},{"name":"Roga","start":"22:30","end":"23:53","startHours":22.503015531190748,"endHours":23.878487509611166,"quality":"inauspicious"},{"name":"Udveg","start":"23:53","end":"01:15","startHours":23.878487509611166,"endHours":25.253959488031583,"quality":"inauspicious"},{"name":"Chala","start":"01:15","end":"02:38","startHours":25.253959488031583,"endHours":26.629431466451997,"quality":"neutral"},{"name":"Labha","start":"02:38","end":"04:00","startHours":26.629431466451997,"endHours":28.00490344487241,"quality":"auspicious"},{"name":"Amṛta","start":"04:00","end":"05:23","startHours":28.00490344487241,"endHours":29.38037542329283,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:23","end":"06:23","startHours":5.38037542329283,"endHours":6.38037542329283,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:23","end":"07:23","startHours":6.38037542329283,"endHours":7.38037542329283,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:23","end":"08:23","startHours":7.38037542329283,"endHours":8.38037542329283,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:23","end":"09:23","startHours":8.38037542329283,"endHours":9.38037542329283,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:23","end":"10:23","startHours":9.38037542329283,"endHours":10.38037542329283,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:23","end":"11:23","startHours":10.38037542329283,"endHours":11.38037542329283,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:23","end":"12:23","startHours":11.38037542329283,"endHours":12.38037542329283,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:23","end":"13:23","startHours":12.38037542329283,"endHours":13.38037542329283,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:23","end":"14:23","startHours":13.38037542329283,"endHours":14.38037542329283,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:23","end":"15:23","startHours":14.38037542329283,"endHours":15.38037542329283,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:23","end":"16:23","startHours":15.38037542329283,"endHours":16.38037542329283,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:23","end":"17:23","startHours":16.38037542329283,"endHours":17.38037542329283,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:23","end":"18:23","startHours":17.38037542329283,"endHours":18.38037542329283,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:23","end":"19:23","startHours":18.38037542329283,"endHours":19.38037542329283,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:23","end":"20:23","startHours":19.38037542329283,"endHours":20.38037542329283,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:23","end":"21:23","startHours":20.38037542329283,"endHours":21.38037542329283,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:23","end":"22:23","startHours":21.38037542329283,"endHours":22.38037542329283,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:23","end":"23:23","startHours":22.38037542329283,"endHours":23.38037542329283,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:23","end":"00:23","startHours":23.38037542329283,"endHours":24.38037542329283,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:23","end":"01:23","startHours":24.38037542329283,"endHours":25.38037542329283,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:23","end":"02:23","startHours":25.38037542329283,"endHours":26.38037542329283,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:23","end":"03:23","startHours":26.38037542329283,"endHours":27.38037542329283,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:23","end":"04:23","startHours":27.38037542329283,"endHours":28.38037542329283,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:23","end":"05:23","startHours":28.38037542329283,"endHours":29.38037542329283,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North-West","rahuVasa":"North-West","anandadiYoga":{"name":"Ānanda","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":7.017603167612395,"eotMinutes":-2.1900505766699547,"ayanamsa":23.6053}},"calendars":{"vikram_samvat":2039,"vikram_samvatsara":"Yuva","saka_samvat":1904,"saka_samvatsara":"Dundubhi","bengali_samvat":1389,"malayalam_era":1158,"nanakshahi_year":513,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","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":"Caitra Śukla Pūrṇimā · Vikram 2039 Yuva · Śaka 1904 Dundubhi"},"festivals":[{"id":"hanuman-jayanti","name":"Hanumān Jayantī","name_sanskrit":"हनुमान जयन्ती","tradition":"Vaishnava","associated_deity":"Bhagavān Hanumān (Rudra-aṁśa, Rāma-bhakta)","significance":"Birth of Hanumān (Caitra Pūrṇimā tradition; some traditions Mārgaśīrṣa Kṛṣṇa 14).","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Caitra"},"precedence":1,"sources":["Vālmīki Rāmāyaṇa, Sundara-Kāṇḍa"]}],"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":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","url":"/day/-0562-04-11","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 April 8, 1982 CE · Chicago, USA · Vidhyamitra","description":"April 8, 1982 CE for Chicago, USA: Śukla Pūrṇimā, sūryodaya 05:23, sūryāsta 18:23.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chicago/1982-04-08","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chicago/1982-04-08","sa":"https://sa.vidhyamitra.com/city/chicago/1982-04-08","hi":"https://hi.vidhyamitra.com/city/chicago/1982-04-08","x-default":"https://vidhyamitra.com/city/chicago/1982-04-08"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T16:53:08.034Z","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":"2026-06-01T16:53:08.034Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T16:53:08.034Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}