{"id":"vidhyamitra:city-day:phoenix:1983-10-19:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1983-10-19","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1983-10-19","date_display":"October 19, 1983 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":1983,"month":10,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445626.770833,"kali_year":5085,"ahargana":1857161.2708,"sun":{"sidereal_longitude":180.7767,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":326.8143,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":146.0376,"elapsed_within_tithi_degrees":2.0376},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3,"moon_longitude":326.8143,"elapsed_within_degrees":6.8143},"yoga":{"number":12,"name":"Dhruva","sum_longitude":147.591},"karana":{"half_tithi_index":24,"name":"Kaulava"},"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":1983,"month":10,"day":19,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2445626.770833,"ahargana":1857161.2708,"kali_year":5085,"ayanamsa_lahiri":23.6266,"grahas":{"sun":{"sidereal_longitude":181.46433000000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":328.57183,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false,"latitude":-4.4977},"mars":{"sidereal_longitude":138.35812999999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":173.59283000000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":227.10002999999995,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":136.31043,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":191.78093,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":58.6586,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":238.6586,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"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":1983,"month":10,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445626.770833,"kali_year":5085,"ahargana":1857161.2708,"sun":{"sidereal_longitude":180.7767,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":326.8143,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":146.0376,"elapsed_within_tithi_degrees":2.0376},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3,"moon_longitude":326.8143,"elapsed_within_degrees":6.8143},"yoga":{"number":12,"name":"Dhruva","sum_longitude":147.591},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.498,"elongation":146.038},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.498,"opposition_distance":33.962}},"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":"06:35","sunsetLocal":"17:51","solarNoonLocal":"12:13","dayLengthHours":11.270408349581011,"dayLengthDisplay":"11 Hours 16 Mins 13 Secs","nightLengthDisplay":"12 Hours 43 Mins 47 Secs","moonriseLocal":"16:07","moonsetLocal":"03:56","rahuKala":{"name":"Rāhu Kāla","start":"12:13","end":"13:37","startHours":12.212396417139018,"endHours":13.621197460836644,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:59","end":"09:24","startHours":7.985993286046139,"endHours":9.394794329743766,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:48","end":"12:13","startHours":10.803595373441393,"endHours":12.212396417139018,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:12","end":"09:35","startHours":9.206954190584081,"endHours":9.58263446890345,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:03","end":"07:21","startHours":7.046792590247722,"endHours":7.347336812903215,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:35","startHours":11.836716138819652,"endHours":12.588076695458385,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:04","end":"05:50","startHours":5.0744711290710445,"endHours":5.825831685709779,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:38","end":"06:35","startHours":5.637991546550095,"endHours":6.577192242348513,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:05","end":"14:51","startHours":14.090797808735854,"endHours":14.842158365374587,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:39","end":"18:03","startHours":17.647600591929525,"endHours":18.047600591929523,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:51","end":"18:19","startHours":17.847600591929524,"endHours":18.317200939828734,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:36","end":"19:21","startHours":17.597600591929524,"endHours":19.347600591929524,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:35","startHours":23.83671613881965,"endHours":24.588076695458387,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:35","end":"07:59","startHours":6.577192242348513,"endHours":7.985993286046139,"quality":"auspicious"},{"name":"Amṛta","start":"07:59","end":"09:24","startHours":7.985993286046139,"endHours":9.394794329743766,"quality":"auspicious"},{"name":"Kāla","start":"09:24","end":"10:48","startHours":9.394794329743766,"endHours":10.803595373441393,"quality":"inauspicious"},{"name":"Śubha","start":"10:48","end":"12:13","startHours":10.803595373441393,"endHours":12.212396417139018,"quality":"auspicious"},{"name":"Roga","start":"12:13","end":"13:37","startHours":12.212396417139018,"endHours":13.621197460836644,"quality":"inauspicious"},{"name":"Udveg","start":"13:37","end":"15:02","startHours":13.621197460836644,"endHours":15.029998504534271,"quality":"inauspicious"},{"name":"Chala","start":"15:02","end":"16:26","startHours":15.029998504534271,"endHours":16.4387995482319,"quality":"neutral"},{"name":"Labha","start":"16:26","end":"17:51","startHours":16.4387995482319,"endHours":17.847600591929524,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:51","end":"19:26","startHours":17.847600591929524,"endHours":19.4387995482319,"quality":"inauspicious"},{"name":"Chala","start":"19:26","end":"21:02","startHours":19.4387995482319,"endHours":21.02999850453427,"quality":"neutral"},{"name":"Labha","start":"21:02","end":"22:37","startHours":21.02999850453427,"endHours":22.621197460836644,"quality":"auspicious"},{"name":"Amṛta","start":"22:37","end":"00:13","startHours":22.621197460836644,"endHours":24.21239641713902,"quality":"auspicious"},{"name":"Kāla","start":"00:13","end":"01:48","startHours":24.21239641713902,"endHours":25.803595373441393,"quality":"inauspicious"},{"name":"Śubha","start":"01:48","end":"03:24","startHours":25.803595373441393,"endHours":27.394794329743767,"quality":"auspicious"},{"name":"Roga","start":"03:24","end":"04:59","startHours":27.394794329743767,"endHours":28.98599328604614,"quality":"inauspicious"},{"name":"Udveg","start":"04:59","end":"06:35","startHours":28.98599328604614,"endHours":30.577192242348513,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:35","end":"07:35","startHours":6.577192242348513,"endHours":7.577192242348513,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:35","end":"08:35","startHours":7.577192242348513,"endHours":8.577192242348513,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:35","end":"09:35","startHours":8.577192242348513,"endHours":9.577192242348513,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:35","end":"10:35","startHours":9.577192242348513,"endHours":10.577192242348513,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:35","end":"11:35","startHours":10.577192242348513,"endHours":11.577192242348513,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:35","end":"12:35","startHours":11.577192242348513,"endHours":12.577192242348513,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:35","end":"13:35","startHours":12.577192242348513,"endHours":13.577192242348513,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:35","end":"14:35","startHours":13.577192242348513,"endHours":14.577192242348513,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:35","end":"15:35","startHours":14.577192242348513,"endHours":15.577192242348513,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:35","end":"16:35","startHours":15.577192242348513,"endHours":16.577192242348513,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:35","end":"17:35","startHours":16.577192242348513,"endHours":17.577192242348513,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:35","end":"18:35","startHours":17.577192242348513,"endHours":18.577192242348513,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:35","end":"19:35","startHours":18.577192242348513,"endHours":19.577192242348513,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:35","end":"20:35","startHours":19.577192242348513,"endHours":20.577192242348513,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:35","end":"21:35","startHours":20.577192242348513,"endHours":21.577192242348513,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:35","end":"22:35","startHours":21.577192242348513,"endHours":22.577192242348513,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:35","end":"23:35","startHours":22.577192242348513,"endHours":23.577192242348513,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:35","end":"00:35","startHours":23.577192242348513,"endHours":24.577192242348513,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:35","end":"01:35","startHours":24.577192242348513,"endHours":25.577192242348513,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:35","end":"02:35","startHours":25.577192242348513,"endHours":26.577192242348513,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:35","end":"03:35","startHours":26.577192242348513,"endHours":27.577192242348513,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:35","end":"04:35","startHours":27.577192242348513,"endHours":28.577192242348513,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:35","end":"05:35","startHours":28.577192242348513,"endHours":29.577192242348513,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:35","end":"06:35","startHours":29.577192242348513,"endHours":30.577192242348513,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"South-West","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-9.709967887499875,"eotMinutes":15.552214971658897,"ayanamsa":23.6266}},"calendars":{"vikram_samvat":2040,"vikram_samvatsara":"Dhātṛ","saka_samvat":1905,"saka_samvatsara":"Rudhirodgāri","bengali_samvat":1390,"malayalam_era":1159,"nanakshahi_year":514,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Trayodaśī · Vikram 2040 Dhātṛ · Śaka 1905 Rudhirodgāri"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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":"phoenix"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga October 19, 1983 CE · Phoenix, USA · Vidhyamitra","description":"October 19, 1983 CE for Phoenix, USA: Śukla Trayodaśī, sūryodaya 06:35, sūryāsta 17:51.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1983-10-19","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1983-10-19","sa":"https://sa.vidhyamitra.com/city/phoenix/1983-10-19","hi":"https://hi.vidhyamitra.com/city/phoenix/1983-10-19","x-default":"https://vidhyamitra.com/city/phoenix/1983-10-19"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T16:44:17.493Z","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":"2026-06-02T16:44:17.493Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T16:44:17.493Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}