{"id":"vidhyamitra:city-day:phoenix:1990-04-19:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1990-04-19","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1990-04-19","date_display":"April 19, 1990 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":1990,"month":4,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448000.770833,"kali_year":5092,"ahargana":1859535.2708,"sun":{"sidereal_longitude":5.1513,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":287.1247,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":281.9734,"elapsed_within_tithi_degrees":5.9734},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3,"moon_longitude":287.1247,"elapsed_within_degrees":7.1247},"yoga":{"number":22,"name":"Sādhya","sum_longitude":292.276},"karana":{"half_tithi_index":46,"name":"Taitila"},"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":1990,"month":4,"day":19,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2448000.770833,"ahargana":1859535.2708,"kali_year":5092,"ayanamsa_lahiri":23.7174,"grahas":{"sun":{"sidereal_longitude":5.013126,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":283.83522600000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false,"latitude":-0.4502},"mars":{"sidereal_longitude":304.99002600000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":23.25392599999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":71.44122600000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":319.789226,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":271.185826,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":292.8726,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":112.8726,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2},"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":1990,"month":4,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448000.770833,"kali_year":5092,"ahargana":1859535.2708,"sun":{"sidereal_longitude":5.1513,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":287.1247,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":281.9734,"elapsed_within_tithi_degrees":5.9734},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3,"moon_longitude":287.1247,"elapsed_within_degrees":7.1247},"yoga":{"number":22,"name":"Sādhya","sum_longitude":292.276},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.45,"elongation":78.027},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.45,"opposition_distance":101.973}},"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":"05:54","sunsetLocal":"19:01","solarNoonLocal":"12:28","dayLengthHours":13.12260740997332,"dayLengthDisplay":"13 Hours 07 Mins 21 Secs","nightLengthDisplay":"10 Hours 52 Mins 39 Secs","moonriseLocal":"01:51","moonsetLocal":"12:15","rahuKala":{"name":"Rāhu Kāla","start":"14:06","end":"15:44","startHours":14.09958365300352,"endHours":15.739909579250185,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:54","end":"07:32","startHours":5.897954021770196,"endHours":7.538279948016861,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:11","end":"10:49","startHours":9.178605874263525,"endHours":10.81893180051019,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:58","end":"09:24","startHours":8.95989575076397,"endHours":9.39731599776308,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:27","end":"06:48","startHours":6.444729330519084,"endHours":6.794665528118372,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:01","end":"12:54","startHours":12.021837479757746,"endHours":12.896677973755967,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:09","end":"05:01","startHours":4.148273033773753,"endHours":5.023113527771974,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:48","end":"05:54","startHours":4.804403404272419,"endHours":5.897954021770196,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:39","end":"15:31","startHours":14.646358961752409,"endHours":15.52119945575063,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:49","end":"19:13","startHours":18.820561431743517,"endHours":19.220561431743516,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:01","end":"19:34","startHours":19.020561431743516,"endHours":19.567336740492404,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:46","end":"20:31","startHours":18.770561431743516,"endHours":20.520561431743516,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:01","end":"00:54","startHours":24.021837479757746,"endHours":24.896677973755967,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:54","end":"07:32","startHours":5.897954021770196,"endHours":7.538279948016861,"quality":"auspicious"},{"name":"Roga","start":"07:32","end":"09:11","startHours":7.538279948016861,"endHours":9.178605874263525,"quality":"inauspicious"},{"name":"Udveg","start":"09:11","end":"10:49","startHours":9.178605874263525,"endHours":10.81893180051019,"quality":"inauspicious"},{"name":"Chala","start":"10:49","end":"12:28","startHours":10.81893180051019,"endHours":12.459257726756856,"quality":"neutral"},{"name":"Labha","start":"12:28","end":"14:06","startHours":12.459257726756856,"endHours":14.09958365300352,"quality":"auspicious"},{"name":"Amṛta","start":"14:06","end":"15:44","startHours":14.09958365300352,"endHours":15.739909579250185,"quality":"auspicious"},{"name":"Kāla","start":"15:44","end":"17:23","startHours":15.739909579250185,"endHours":17.380235505496852,"quality":"inauspicious"},{"name":"Śubha","start":"17:23","end":"19:01","startHours":17.380235505496852,"endHours":19.020561431743516,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:01","end":"20:23","startHours":19.020561431743516,"endHours":20.380235505496852,"quality":"auspicious"},{"name":"Kāla","start":"20:23","end":"21:44","startHours":20.380235505496852,"endHours":21.739909579250188,"quality":"inauspicious"},{"name":"Śubha","start":"21:44","end":"23:06","startHours":21.739909579250188,"endHours":23.09958365300352,"quality":"auspicious"},{"name":"Roga","start":"23:06","end":"00:28","startHours":23.09958365300352,"endHours":24.459257726756856,"quality":"inauspicious"},{"name":"Udveg","start":"00:28","end":"01:49","startHours":24.459257726756856,"endHours":25.818931800510192,"quality":"inauspicious"},{"name":"Chala","start":"01:49","end":"03:11","startHours":25.818931800510192,"endHours":27.178605874263525,"quality":"neutral"},{"name":"Labha","start":"03:11","end":"04:32","startHours":27.178605874263525,"endHours":28.53827994801686,"quality":"auspicious"},{"name":"Amṛta","start":"04:32","end":"05:54","startHours":28.53827994801686,"endHours":29.897954021770197,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:54","end":"06:54","startHours":5.897954021770196,"endHours":6.897954021770196,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:54","end":"07:54","startHours":6.897954021770196,"endHours":7.897954021770196,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:54","end":"08:54","startHours":7.897954021770196,"endHours":8.897954021770197,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:54","end":"09:54","startHours":8.897954021770197,"endHours":9.897954021770197,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:54","end":"10:54","startHours":9.897954021770197,"endHours":10.897954021770197,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:54","end":"11:54","startHours":10.897954021770197,"endHours":11.897954021770197,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:54","end":"12:54","startHours":11.897954021770197,"endHours":12.897954021770197,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:54","end":"13:54","startHours":12.897954021770197,"endHours":13.897954021770197,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:54","end":"14:54","startHours":13.897954021770197,"endHours":14.897954021770197,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:54","end":"15:54","startHours":14.897954021770197,"endHours":15.897954021770197,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:54","end":"16:54","startHours":15.897954021770197,"endHours":16.897954021770197,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:54","end":"17:54","startHours":16.897954021770197,"endHours":17.897954021770197,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:54","end":"18:54","startHours":17.897954021770197,"endHours":18.897954021770197,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:54","end":"19:54","startHours":18.897954021770197,"endHours":19.897954021770197,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:54","end":"20:54","startHours":19.897954021770197,"endHours":20.897954021770197,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:54","end":"21:54","startHours":20.897954021770197,"endHours":21.897954021770197,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:54","end":"22:54","startHours":21.897954021770197,"endHours":22.897954021770197,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:54","end":"23:54","startHours":22.897954021770197,"endHours":23.897954021770197,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:54","end":"00:54","startHours":23.897954021770197,"endHours":24.897954021770197,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:54","end":"01:54","startHours":24.897954021770197,"endHours":25.897954021770197,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:54","end":"02:54","startHours":25.897954021770197,"endHours":26.897954021770197,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:54","end":"03:54","startHours":26.897954021770197,"endHours":27.897954021770197,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:54","end":"04:54","startHours":27.897954021770197,"endHours":28.897954021770197,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:54","end":"05:54","startHours":28.897954021770197,"endHours":29.897954021770197,"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","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-East","rahuVasa":"North-West","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":11.022024386094412,"eotMinutes":0.740536394588492,"ayanamsa":23.7174}},"calendars":{"vikram_samvat":2047,"vikram_samvatsara":"Subhānu","saka_samvat":1912,"saka_samvatsara":"Pramoda","bengali_samvat":1397,"malayalam_era":1166,"nanakshahi_year":521,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Caitra","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 Kṛṣṇa Navamī · Vikram 2047 Subhānu · Śaka 1912 Pramoda"},"festivals":[],"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":[]},"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 April 19, 1990 CE · Phoenix, USA · Vidhyamitra","description":"April 19, 1990 CE for Phoenix, USA: Kṛṣṇa Navamī, sūryodaya 05:54, sūryāsta 19:01.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1990-04-19","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1990-04-19","sa":"https://sa.vidhyamitra.com/city/phoenix/1990-04-19","hi":"https://hi.vidhyamitra.com/city/phoenix/1990-04-19","x-default":"https://vidhyamitra.com/city/phoenix/1990-04-19"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T02:35:57.524Z","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":"2026-06-03T02:35:57.524Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T02:35:57.524Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}