{"id":"vidhyamitra:city-day:phoenix:1982-05-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1982-05-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1982-05-04","date_display":"May 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":5,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445093.770833,"kali_year":5084,"ahargana":1856628.2708,"sun":{"sidereal_longitude":19.7457,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":152.6321,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":132.8864,"elapsed_within_tithi_degrees":0.8864},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":152.6321,"elapsed_within_degrees":5.9654},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":172.3778},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":5,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2445093.770833,"ahargana":1856628.2708,"kali_year":5084,"ayanamsa_lahiri":23.6063,"grahas":{"sun":{"sidereal_longitude":19.65919500000001,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":153.40319499999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false,"latitude":4.1017},"mars":{"sidereal_longitude":157.309395,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":40.282195,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":191.319795,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":true},"venus":{"sidereal_longitude":336.12289499999997,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":173.23029500000007,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":86.8995,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":266.8995,"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":5,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445093.770833,"kali_year":5084,"ahargana":1856628.2708,"sun":{"sidereal_longitude":19.7457,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":152.6321,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":132.8864,"elapsed_within_tithi_degrees":0.8864},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":152.6321,"elapsed_within_degrees":5.9654},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":172.3778},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.102,"elongation":132.886},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.102,"opposition_distance":47.114}},"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":"05:38","sunsetLocal":"19:12","solarNoonLocal":"12:25","dayLengthHours":13.579402190159058,"dayLengthDisplay":"13 Hours 34 Mins 46 Secs","nightLengthDisplay":"10 Hours 25 Mins 14 Secs","moonriseLocal":"15:14","moonsetLocal":"03:26","rahuKala":{"name":"Rāhu Kāla","start":"15:49","end":"17:31","startHours":15.812142920571766,"endHours":17.50956819434165,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:01","end":"10:43","startHours":9.022441825492237,"endHours":10.719867099262121,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:25","end":"14:07","startHours":12.417292373032002,"endHours":14.114717646801886,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:48","end":"09:15","startHours":8.796118455656254,"endHours":9.248765195328222,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:12","end":"06:33","startHours":6.193399702542434,"endHours":6.55551709428001,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:52","startHours":11.964645633360034,"endHours":12.86993911270397,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:49","end":"04:43","startHours":3.8170043192645986,"endHours":4.722297798608536,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:30","end":"05:38","startHours":4.495974428772552,"endHours":5.627591277952473,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:41","end":"15:35","startHours":14.680526071391846,"endHours":15.585819550735783,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:00","end":"19:24","startHours":19.00699346811153,"endHours":19.40699346811153,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:12","end":"19:46","startHours":19.20699346811153,"endHours":19.77280189270149,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:57","end":"20:42","startHours":18.95699346811153,"endHours":20.70699346811153,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:52","startHours":23.964645633360032,"endHours":24.86993911270397,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:38","end":"07:20","startHours":5.627591277952473,"endHours":7.3250165517223556,"quality":"inauspicious"},{"name":"Udveg","start":"07:20","end":"09:01","startHours":7.3250165517223556,"endHours":9.022441825492237,"quality":"inauspicious"},{"name":"Chala","start":"09:01","end":"10:43","startHours":9.022441825492237,"endHours":10.719867099262121,"quality":"neutral"},{"name":"Labha","start":"10:43","end":"12:25","startHours":10.719867099262121,"endHours":12.417292373032002,"quality":"auspicious"},{"name":"Amṛta","start":"12:25","end":"14:07","startHours":12.417292373032002,"endHours":14.114717646801886,"quality":"auspicious"},{"name":"Kāla","start":"14:07","end":"15:49","startHours":14.114717646801886,"endHours":15.812142920571766,"quality":"inauspicious"},{"name":"Śubha","start":"15:49","end":"17:31","startHours":15.812142920571766,"endHours":17.50956819434165,"quality":"auspicious"},{"name":"Roga","start":"17:31","end":"19:12","startHours":17.50956819434165,"endHours":19.20699346811153,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"19:12","end":"20:31","startHours":19.20699346811153,"endHours":20.509568194341647,"quality":"inauspicious"},{"name":"Śubha","start":"20:31","end":"21:49","startHours":20.509568194341647,"endHours":21.812142920571766,"quality":"auspicious"},{"name":"Roga","start":"21:49","end":"23:07","startHours":21.812142920571766,"endHours":23.114717646801886,"quality":"inauspicious"},{"name":"Udveg","start":"23:07","end":"00:25","startHours":23.114717646801886,"endHours":24.417292373032,"quality":"inauspicious"},{"name":"Chala","start":"00:25","end":"01:43","startHours":24.417292373032,"endHours":25.719867099262117,"quality":"neutral"},{"name":"Labha","start":"01:43","end":"03:01","startHours":25.719867099262117,"endHours":27.022441825492237,"quality":"auspicious"},{"name":"Amṛta","start":"03:01","end":"04:20","startHours":27.022441825492237,"endHours":28.325016551722356,"quality":"auspicious"},{"name":"Kāla","start":"04:20","end":"05:38","startHours":28.325016551722356,"endHours":29.627591277952472,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:38","end":"06:38","startHours":5.627591277952473,"endHours":6.627591277952473,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:38","end":"07:38","startHours":6.627591277952473,"endHours":7.627591277952473,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:38","end":"08:38","startHours":7.627591277952473,"endHours":8.627591277952472,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:38","end":"09:38","startHours":8.627591277952472,"endHours":9.627591277952472,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:38","end":"10:38","startHours":9.627591277952472,"endHours":10.627591277952472,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:38","end":"11:38","startHours":10.627591277952472,"endHours":11.627591277952472,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:38","end":"12:38","startHours":11.627591277952472,"endHours":12.627591277952472,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:38","end":"13:38","startHours":12.627591277952472,"endHours":13.627591277952472,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:38","end":"14:38","startHours":13.627591277952472,"endHours":14.627591277952472,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:38","end":"15:38","startHours":14.627591277952472,"endHours":15.627591277952472,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:38","end":"16:38","startHours":15.627591277952472,"endHours":16.627591277952472,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:38","end":"17:38","startHours":16.627591277952472,"endHours":17.627591277952472,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:38","end":"18:38","startHours":17.627591277952472,"endHours":18.627591277952472,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:38","end":"19:38","startHours":18.627591277952472,"endHours":19.627591277952472,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:38","end":"20:38","startHours":19.627591277952472,"endHours":20.627591277952472,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:38","end":"21:38","startHours":20.627591277952472,"endHours":21.627591277952472,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:38","end":"22:38","startHours":21.627591277952472,"endHours":22.627591277952472,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:38","end":"23:38","startHours":22.627591277952472,"endHours":23.627591277952472,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:38","end":"00:38","startHours":23.627591277952472,"endHours":24.627591277952472,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:38","end":"01:38","startHours":24.627591277952472,"endHours":25.627591277952472,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:38","end":"02:38","startHours":25.627591277952472,"endHours":26.627591277952472,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:38","end":"03:38","startHours":26.627591277952472,"endHours":27.627591277952472,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:38","end":"04:38","startHours":27.627591277952472,"endHours":28.627591277952472,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:38","end":"05:38","startHours":28.627591277952472,"endHours":29.627591277952472,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"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":"North (Uttara)","chandraVasa":"North-West","rahuVasa":"North","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":15.81891286072529,"eotMinutes":3.258457618079846,"ayanamsa":23.6063}},"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","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Dvādaśī · Vikram 2039 Yuva · Śaka 1904 Dundubhi"},"festivals":[{"id":"mesha-sankranti","name":"Meṣa Saṅkrānti (Vaiśākhī / Vishu / Pohelā Boishākh / Bihu)","name_sanskrit":"मेष सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aries; solar new year. Regional: Vaiśākhī (Punjab) · Vishu (Kerala) · Pohelā Boishākh (Bengal) · Bihu (Assam) · Tamil Puthāṇḍu.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":1},{"id":"baisakhi","name":"Baisakhi (Vaiśākhī)","name_sanskrit":"वैशाखी","tradition":"Regional","associated_deity":"Sūrya + Khalsa Pantha (Sikh)","significance":"Punjab New Year + Sikh Khalsa founding day.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":2}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 May 4, 1982 CE · Phoenix, USA · Vidhyamitra","description":"May 4, 1982 CE for Phoenix, USA: Śukla Dvādaśī, sūryodaya 05:38, sūryāsta 19:12.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1982-05-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1982-05-04","sa":"https://sa.vidhyamitra.com/city/phoenix/1982-05-04","hi":"https://hi.vidhyamitra.com/city/phoenix/1982-05-04","x-default":"https://vidhyamitra.com/city/phoenix/1982-05-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T23:36:12.616Z","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":"2026-05-18T23:36:12.616Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T23:36:12.616Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}