{"id":"vidhyamitra:city-day:phoenix:1982-08-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1982-08-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1982-08-20","date_display":"August 20, 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":8,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445201.770833,"kali_year":5084,"ahargana":1856736.2708,"sun":{"sidereal_longitude":122.5068,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":136.1475,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":13.6407,"elapsed_within_tithi_degrees":1.6407},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":136.1475,"elapsed_within_degrees":2.8142},"yoga":{"number":20,"name":"Śiva","sum_longitude":258.6544},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":8,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2445201.770833,"ahargana":1856736.2708,"kali_year":5084,"ayanamsa_lahiri":23.6104,"grahas":{"sun":{"sidereal_longitude":123.10176799999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":135.56226800000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false,"latitude":3.6836},"mars":{"sidereal_longitude":196.46216800000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":145.341768,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":191.38406800000007,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":103.466568,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":174.59516800000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":81.1771,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":261.1771,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"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":8,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445201.770833,"kali_year":5084,"ahargana":1856736.2708,"sun":{"sidereal_longitude":122.5068,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":136.1475,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":13.6407,"elapsed_within_tithi_degrees":1.6407},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":136.1475,"elapsed_within_degrees":2.8142},"yoga":{"number":20,"name":"Śiva","sum_longitude":258.6544},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.684,"elongation":13.641},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.684,"opposition_distance":166.359}},"eclipse_window_40days":[]},"city":{"slug":"phoenix","name":"Phoenix, USA","lat":33.4484,"lon":-112.074,"tz_offset_hours":-7,"country":"US","tier":"diaspora"},"tier2":{"city":{"slug":"phoenix","name":"Phoenix, USA","lat":33.4484,"lon":-112.074,"tz_offset_hours":-7,"country":"US","tier":"diaspora"},"sunriseLocal":"05:53","sunsetLocal":"19:09","solarNoonLocal":"12:31","dayLengthHours":13.271106964557625,"dayLengthDisplay":"13 Hours 16 Mins 16 Secs","nightLengthDisplay":"10 Hours 43 Mins 44 Secs","moonriseLocal":"06:57","moonsetLocal":"19:46","rahuKala":{"name":"Rāhu Kāla","start":"10:52","end":"12:31","startHours":10.863545144605801,"endHours":12.522433515175504,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:50","end":"17:30","startHours":15.84021025631491,"endHours":17.499098626884614,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:33","end":"09:12","startHours":7.545768403466394,"endHours":9.204656774036097,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:59","end":"09:26","startHours":8.983471657960138,"endHours":9.425841890112057,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:26","end":"06:48","startHours":6.439842823086592,"endHours":6.793739008808129,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:05","end":"12:58","startHours":12.080063283023582,"endHours":12.964803747327425,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:07","end":"05:00","startHours":4.117399104289008,"endHours":5.00213956859285,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:47","end":"05:53","startHours":4.780954452516889,"endHours":5.886880032896691,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:44","end":"15:37","startHours":14.734284675935108,"endHours":15.61902514023895,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:57","end":"19:21","startHours":18.957986997454316,"endHours":19.357986997454315,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:09","end":"19:43","startHours":19.157986997454316,"endHours":19.710949787644218,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:54","end":"20:39","startHours":18.907986997454316,"endHours":20.657986997454316,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:05","end":"00:58","startHours":24.080063283023584,"endHours":24.964803747327423,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:53","end":"07:33","startHours":5.886880032896691,"endHours":7.545768403466394,"quality":"neutral"},{"name":"Labha","start":"07:33","end":"09:12","startHours":7.545768403466394,"endHours":9.204656774036097,"quality":"auspicious"},{"name":"Amṛta","start":"09:12","end":"10:52","startHours":9.204656774036097,"endHours":10.863545144605801,"quality":"auspicious"},{"name":"Kāla","start":"10:52","end":"12:31","startHours":10.863545144605801,"endHours":12.522433515175504,"quality":"inauspicious"},{"name":"Śubha","start":"12:31","end":"14:11","startHours":12.522433515175504,"endHours":14.181321885745206,"quality":"auspicious"},{"name":"Roga","start":"14:11","end":"15:50","startHours":14.181321885745206,"endHours":15.84021025631491,"quality":"inauspicious"},{"name":"Udveg","start":"15:50","end":"17:30","startHours":15.84021025631491,"endHours":17.499098626884614,"quality":"inauspicious"},{"name":"Chala","start":"17:30","end":"19:09","startHours":17.499098626884614,"endHours":19.157986997454316,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:09","end":"20:30","startHours":19.157986997454316,"endHours":20.499098626884614,"quality":"inauspicious"},{"name":"Udveg","start":"20:30","end":"21:50","startHours":20.499098626884614,"endHours":21.84021025631491,"quality":"inauspicious"},{"name":"Chala","start":"21:50","end":"23:11","startHours":21.84021025631491,"endHours":23.181321885745206,"quality":"neutral"},{"name":"Labha","start":"23:11","end":"00:31","startHours":23.181321885745206,"endHours":24.522433515175504,"quality":"auspicious"},{"name":"Amṛta","start":"00:31","end":"01:52","startHours":24.522433515175504,"endHours":25.8635451446058,"quality":"auspicious"},{"name":"Kāla","start":"01:52","end":"03:12","startHours":25.8635451446058,"endHours":27.204656774036096,"quality":"inauspicious"},{"name":"Śubha","start":"03:12","end":"04:33","startHours":27.204656774036096,"endHours":28.545768403466393,"quality":"auspicious"},{"name":"Roga","start":"04:33","end":"05:53","startHours":28.545768403466393,"endHours":29.88688003289669,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:53","end":"06:53","startHours":5.886880032896691,"endHours":6.886880032896691,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:53","end":"07:53","startHours":6.886880032896691,"endHours":7.886880032896691,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:53","end":"08:53","startHours":7.886880032896691,"endHours":8.886880032896691,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:53","end":"09:53","startHours":8.886880032896691,"endHours":9.886880032896691,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:53","end":"10:53","startHours":9.886880032896691,"endHours":10.886880032896691,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:53","end":"11:53","startHours":10.886880032896691,"endHours":11.886880032896691,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:53","end":"12:53","startHours":11.886880032896691,"endHours":12.886880032896691,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:53","end":"13:53","startHours":12.886880032896691,"endHours":13.886880032896691,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:53","end":"14:53","startHours":13.886880032896691,"endHours":14.886880032896691,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:53","end":"15:53","startHours":14.886880032896691,"endHours":15.886880032896691,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:53","end":"16:53","startHours":15.886880032896691,"endHours":16.88688003289669,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:53","end":"17:53","startHours":16.88688003289669,"endHours":17.88688003289669,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:53","end":"18:53","startHours":17.88688003289669,"endHours":18.88688003289669,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:53","end":"19:53","startHours":18.88688003289669,"endHours":19.88688003289669,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:53","end":"20:53","startHours":19.88688003289669,"endHours":20.88688003289669,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:53","end":"21:53","startHours":20.88688003289669,"endHours":21.88688003289669,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:53","end":"22:53","startHours":21.88688003289669,"endHours":22.88688003289669,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:53","end":"23:53","startHours":22.88688003289669,"endHours":23.88688003289669,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:53","end":"00:53","startHours":23.88688003289669,"endHours":24.88688003289669,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:53","end":"01:53","startHours":24.88688003289669,"endHours":25.88688003289669,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:53","end":"02:53","startHours":25.88688003289669,"endHours":26.88688003289669,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:53","end":"03:53","startHours":26.88688003289669,"endHours":27.88688003289669,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:53","end":"04:53","startHours":27.88688003289669,"endHours":28.88688003289669,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:53","end":"05:53","startHours":28.88688003289669,"endHours":29.88688003289669,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"West","rahuVasa":"South-East","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"drikRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":12.608827278068313,"eotMinutes":-3.0500109105302213,"ayanamsa":23.6104}},"calendars":{"vikram_samvat":2039,"vikram_samvatsara":"Yuva","saka_samvat":1904,"saka_samvatsara":"Dundubhi","bengali_samvat":1389,"malayalam_era":1158,"nanakshahi_year":513,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Dvitīyā · Vikram 2039 Yuva · Śaka 1904 Dundubhi"},"festivals":[{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"phoenix"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga August 20, 1982 CE · Phoenix, USA · Vidhyamitra","description":"August 20, 1982 CE for Phoenix, USA: Śukla Dvitīyā, sūryodaya 05:53, sūryāsta 19:09.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1982-08-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1982-08-20","sa":"https://sa.vidhyamitra.com/city/phoenix/1982-08-20","hi":"https://hi.vidhyamitra.com/city/phoenix/1982-08-20","x-default":"https://vidhyamitra.com/city/phoenix/1982-08-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T21:19:05.249Z","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":"2026-05-18T21:19:05.249Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T21:19:05.249Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}