{"id":"vidhyamitra:city-day:phoenix:2023-04-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2023-04-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2023-04-04","date_display":"April 4, 2023 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":2023,"month":4,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460038.770833,"kali_year":5124,"ahargana":1871573.2708,"sun":{"sidereal_longitude":349.9508,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":144.0758,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":154.125,"elapsed_within_tithi_degrees":10.125},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":144.0758,"elapsed_within_degrees":10.7425},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":134.0267},"karana":{"half_tithi_index":25,"name":"Taitila"},"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":2023,"month":4,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2460038.770833,"ahargana":1871573.2708,"kali_year":5124,"ayanamsa_lahiri":24.1779,"grahas":{"sun":{"sidereal_longitude":349.842586,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":145.08148600000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false,"latitude":3.494},"mars":{"sidereal_longitude":70.248086,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":6.097585999999978,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":355.701486,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":27.11648600000001,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":308.94048599999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":15.0415,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":195.0415,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","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":2023,"month":4,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460038.770833,"kali_year":5124,"ahargana":1871573.2708,"sun":{"sidereal_longitude":349.9508,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":144.0758,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":154.125,"elapsed_within_tithi_degrees":10.125},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":144.0758,"elapsed_within_degrees":10.7425},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":134.0267},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.494,"elongation":154.125},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.494,"opposition_distance":25.875}},"eclipse_window_40days":[{"offset_days":16,"type":"solar","occurs":true,"moon_latitude":-0.673,"elongation":0.011}]},"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":"06:13","sunsetLocal":"18:50","solarNoonLocal":"12:32","dayLengthHours":12.622969400908836,"dayLengthDisplay":"12 Hours 37 Mins 23 Secs","nightLengthDisplay":"11 Hours 22 Mins 37 Secs","moonriseLocal":"16:39","moonsetLocal":"05:07","rahuKala":{"name":"Rāhu Kāla","start":"15:41","end":"17:16","startHours":15.684069401876041,"endHours":17.261940576989648,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:22","end":"10:57","startHours":9.372584701421623,"endHours":10.950455876535228,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:32","end":"14:06","startHours":12.528327051648834,"endHours":14.106198226762437,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:10","end":"09:35","startHours":9.162201878073143,"endHours":9.582967524770105,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:45","end":"07:05","startHours":6.742799409565616,"endHours":7.079411926923185,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:06","end":"12:57","startHours":12.107561404951872,"endHours":12.949092698345796,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:32","end":"05:23","startHours":4.53377976440657,"endHours":5.375311057800492,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:10","end":"06:13","startHours":5.164928234452011,"endHours":6.216842351194415,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:38","end":"15:28","startHours":14.632155285133639,"endHours":15.47368657852756,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:38","end":"19:02","startHours":18.639811752103252,"endHours":19.03981175210325,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:50","end":"19:22","startHours":18.83981175210325,"endHours":19.365768810474453,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:35","end":"20:20","startHours":18.58981175210325,"endHours":20.33981175210325,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:06","end":"00:57","startHours":24.107561404951873,"endHours":24.949092698345794,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:13","end":"07:48","startHours":6.216842351194415,"endHours":7.794713526308019,"quality":"inauspicious"},{"name":"Udveg","start":"07:48","end":"09:22","startHours":7.794713526308019,"endHours":9.372584701421623,"quality":"inauspicious"},{"name":"Chala","start":"09:22","end":"10:57","startHours":9.372584701421623,"endHours":10.950455876535228,"quality":"neutral"},{"name":"Labha","start":"10:57","end":"12:32","startHours":10.950455876535228,"endHours":12.528327051648834,"quality":"auspicious"},{"name":"Amṛta","start":"12:32","end":"14:06","startHours":12.528327051648834,"endHours":14.106198226762437,"quality":"auspicious"},{"name":"Kāla","start":"14:06","end":"15:41","startHours":14.106198226762437,"endHours":15.684069401876041,"quality":"inauspicious"},{"name":"Śubha","start":"15:41","end":"17:16","startHours":15.684069401876041,"endHours":17.261940576989648,"quality":"auspicious"},{"name":"Roga","start":"17:16","end":"18:50","startHours":17.261940576989648,"endHours":18.83981175210325,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:50","end":"20:16","startHours":18.83981175210325,"endHours":20.261940576989648,"quality":"inauspicious"},{"name":"Śubha","start":"20:16","end":"21:41","startHours":20.261940576989648,"endHours":21.684069401876044,"quality":"auspicious"},{"name":"Roga","start":"21:41","end":"23:06","startHours":21.684069401876044,"endHours":23.106198226762437,"quality":"inauspicious"},{"name":"Udveg","start":"23:06","end":"00:32","startHours":23.106198226762437,"endHours":24.528327051648834,"quality":"inauspicious"},{"name":"Chala","start":"00:32","end":"01:57","startHours":24.528327051648834,"endHours":25.95045587653523,"quality":"neutral"},{"name":"Labha","start":"01:57","end":"03:22","startHours":25.95045587653523,"endHours":27.372584701421623,"quality":"auspicious"},{"name":"Amṛta","start":"03:22","end":"04:48","startHours":27.372584701421623,"endHours":28.79471352630802,"quality":"auspicious"},{"name":"Kāla","start":"04:48","end":"06:13","startHours":28.79471352630802,"endHours":30.216842351194416,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:13","end":"07:13","startHours":6.216842351194415,"endHours":7.216842351194415,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:13","end":"08:13","startHours":7.216842351194415,"endHours":8.216842351194416,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:13","end":"09:13","startHours":8.216842351194416,"endHours":9.216842351194416,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:13","end":"10:13","startHours":9.216842351194416,"endHours":10.216842351194416,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:13","end":"11:13","startHours":10.216842351194416,"endHours":11.216842351194416,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:13","end":"12:13","startHours":11.216842351194416,"endHours":12.216842351194416,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:13","end":"13:13","startHours":12.216842351194416,"endHours":13.216842351194416,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:13","end":"14:13","startHours":13.216842351194416,"endHours":14.216842351194416,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:13","end":"15:13","startHours":14.216842351194416,"endHours":15.216842351194416,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:13","end":"16:13","startHours":15.216842351194416,"endHours":16.216842351194416,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:13","end":"17:13","startHours":16.216842351194416,"endHours":17.216842351194416,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:13","end":"18:13","startHours":17.216842351194416,"endHours":18.216842351194416,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:13","end":"19:13","startHours":18.216842351194416,"endHours":19.216842351194416,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:13","end":"20:13","startHours":19.216842351194416,"endHours":20.216842351194416,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:13","end":"21:13","startHours":20.216842351194416,"endHours":21.216842351194416,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:13","end":"22:13","startHours":21.216842351194416,"endHours":22.216842351194416,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:13","end":"23:13","startHours":22.216842351194416,"endHours":23.216842351194416,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:13","end":"00:13","startHours":23.216842351194416,"endHours":24.216842351194416,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:13","end":"01:13","startHours":24.216842351194416,"endHours":25.216842351194416,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:13","end":"02:13","startHours":25.216842351194416,"endHours":26.216842351194416,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:13","end":"03:13","startHours":26.216842351194416,"endHours":27.216842351194416,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:13","end":"04:13","startHours":27.216842351194416,"endHours":28.216842351194416,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:13","end":"05:13","startHours":28.216842351194416,"endHours":29.216842351194416,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:13","end":"06:13","startHours":29.216842351194416,"endHours":30.216842351194416,"planetary_lord":"Saturn"}],"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":"North (Uttara)","chandraVasa":"West","rahuVasa":"North","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":5.529495829247594,"eotMinutes":-3.4036230989301703,"ayanamsa":24.1779}},"calendars":{"vikram_samvat":2080,"vikram_samvatsara":"Nala","saka_samvat":1945,"saka_samvatsara":"Śobhana","bengali_samvat":1430,"malayalam_era":1199,"nanakshahi_year":554,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Trayodaśī · Vikram 2080 Nala · Śaka 1945 Śobhana"},"festivals":[{"id":"mina-sankranti","name":"Mīna Saṅkrānti","name_sanskrit":"मीन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Pisces; Mīna-māsa begins.","vrata":false,"detection":{"sun_rashi":"Mīna"},"precedence":5},{"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":"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 April 4, 2023 CE · Phoenix, USA · Vidhyamitra","description":"April 4, 2023 CE for Phoenix, USA: Śukla Trayodaśī, sūryodaya 06:13, sūryāsta 18:50.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2023-04-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2023-04-04","sa":"https://sa.vidhyamitra.com/city/phoenix/2023-04-04","hi":"https://hi.vidhyamitra.com/city/phoenix/2023-04-04","x-default":"https://vidhyamitra.com/city/phoenix/2023-04-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T16:38:58.671Z","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":"2026-05-14T16:38:58.671Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T16:38:58.671Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}