{"id":"vidhyamitra:city-day:phoenix:2004-09-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2004-09-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2004-09-15","date_display":"September 15, 2004 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":2004,"month":9,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453263.770833,"kali_year":5106,"ahargana":1864798.2708,"sun":{"sidereal_longitude":147.8867,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":152.4471,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":4.5605,"elapsed_within_tithi_degrees":4.5605},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":152.4471,"elapsed_within_degrees":5.7805},"yoga":{"number":23,"name":"Śubha","sum_longitude":300.3338},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"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":2004,"month":9,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2453263.770833,"ahargana":1864798.2708,"kali_year":5106,"ayanamsa_lahiri":23.9187,"grahas":{"sun":{"sidereal_longitude":148.62544100000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":153.892741,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false,"latitude":2.984},"mars":{"sidereal_longitude":148.736941,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":132.24564099999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":154.14714100000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":104.82544099999996,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":90.74914100000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":14.0136,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":194.0136,"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":2004,"month":9,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453263.770833,"kali_year":5106,"ahargana":1864798.2708,"sun":{"sidereal_longitude":147.8867,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":152.4471,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":4.5605,"elapsed_within_tithi_degrees":4.5605},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":152.4471,"elapsed_within_degrees":5.7805},"yoga":{"number":23,"name":"Śubha","sum_longitude":300.3338},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.984,"elongation":4.56},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.984,"opposition_distance":175.44}},"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":"06:11","sunsetLocal":"18:35","solarNoonLocal":"12:23","dayLengthHours":12.394263613061938,"dayLengthDisplay":"12 Hours 23 Mins 39 Secs","nightLengthDisplay":"11 Hours 36 Mins 21 Secs","moonriseLocal":"06:39","moonsetLocal":"18:49","rahuKala":{"name":"Rāhu Kāla","start":"12:23","end":"13:56","startHours":12.379988780276626,"endHours":13.929271731909367,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:44","end":"09:17","startHours":7.732139925378399,"endHours":9.281422877011142,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:50","end":"12:23","startHours":10.830705828643882,"endHours":12.379988780276626,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:04","end":"09:29","startHours":9.074851816793442,"endHours":9.48799393722884,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:42","end":"07:02","startHours":6.699284624289904,"endHours":7.029798320638222,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:48","startHours":11.966846659841229,"endHours":12.793130900712024,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:32","end":"05:21","startHours":4.530288492004065,"endHours":5.356572732874861,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:09","end":"06:11","startHours":5.150001672657162,"endHours":6.182856973745657,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:27","end":"15:16","startHours":14.445699382453615,"endHours":15.271983623324411,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:23","end":"18:47","startHours":18.377120586807596,"endHours":18.777120586807595,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:35","end":"19:06","startHours":18.577120586807595,"endHours":19.093548237351843,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:20","end":"20:05","startHours":18.327120586807595,"endHours":20.077120586807595,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:48","startHours":23.966846659841227,"endHours":24.793130900712026,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:11","end":"07:44","startHours":6.182856973745657,"endHours":7.732139925378399,"quality":"auspicious"},{"name":"Amṛta","start":"07:44","end":"09:17","startHours":7.732139925378399,"endHours":9.281422877011142,"quality":"auspicious"},{"name":"Kāla","start":"09:17","end":"10:50","startHours":9.281422877011142,"endHours":10.830705828643882,"quality":"inauspicious"},{"name":"Śubha","start":"10:50","end":"12:23","startHours":10.830705828643882,"endHours":12.379988780276626,"quality":"auspicious"},{"name":"Roga","start":"12:23","end":"13:56","startHours":12.379988780276626,"endHours":13.929271731909367,"quality":"inauspicious"},{"name":"Udveg","start":"13:56","end":"15:29","startHours":13.929271731909367,"endHours":15.47855468354211,"quality":"inauspicious"},{"name":"Chala","start":"15:29","end":"17:02","startHours":15.47855468354211,"endHours":17.02783763517485,"quality":"neutral"},{"name":"Labha","start":"17:02","end":"18:35","startHours":17.02783763517485,"endHours":18.577120586807595,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:35","end":"20:02","startHours":18.577120586807595,"endHours":20.027837635174855,"quality":"inauspicious"},{"name":"Chala","start":"20:02","end":"21:29","startHours":20.027837635174855,"endHours":21.47855468354211,"quality":"neutral"},{"name":"Labha","start":"21:29","end":"22:56","startHours":21.47855468354211,"endHours":22.929271731909367,"quality":"auspicious"},{"name":"Amṛta","start":"22:56","end":"00:23","startHours":22.929271731909367,"endHours":24.379988780276626,"quality":"auspicious"},{"name":"Kāla","start":"00:23","end":"01:50","startHours":24.379988780276626,"endHours":25.830705828643886,"quality":"inauspicious"},{"name":"Śubha","start":"01:50","end":"03:17","startHours":25.830705828643886,"endHours":27.281422877011142,"quality":"auspicious"},{"name":"Roga","start":"03:17","end":"04:44","startHours":27.281422877011142,"endHours":28.732139925378398,"quality":"inauspicious"},{"name":"Udveg","start":"04:44","end":"06:11","startHours":28.732139925378398,"endHours":30.182856973745658,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:11","end":"07:11","startHours":6.182856973745657,"endHours":7.182856973745657,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:11","end":"08:11","startHours":7.182856973745657,"endHours":8.182856973745658,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:11","end":"09:11","startHours":8.182856973745658,"endHours":9.182856973745658,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:11","end":"10:11","startHours":9.182856973745658,"endHours":10.182856973745658,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:11","end":"11:11","startHours":10.182856973745658,"endHours":11.182856973745658,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:11","end":"12:11","startHours":11.182856973745658,"endHours":12.182856973745658,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:11","end":"13:11","startHours":12.182856973745658,"endHours":13.182856973745658,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:11","end":"14:11","startHours":13.182856973745658,"endHours":14.182856973745658,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:11","end":"15:11","startHours":14.182856973745658,"endHours":15.182856973745658,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:11","end":"16:11","startHours":15.182856973745658,"endHours":16.182856973745658,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:11","end":"17:11","startHours":16.182856973745658,"endHours":17.182856973745658,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:11","end":"18:11","startHours":17.182856973745658,"endHours":18.182856973745658,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:11","end":"19:11","startHours":18.182856973745658,"endHours":19.182856973745658,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:11","end":"20:11","startHours":19.182856973745658,"endHours":20.182856973745658,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:11","end":"21:11","startHours":20.182856973745658,"endHours":21.182856973745658,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:11","end":"22:11","startHours":21.182856973745658,"endHours":22.182856973745658,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:11","end":"23:11","startHours":22.182856973745658,"endHours":23.182856973745658,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:11","end":"00:11","startHours":23.182856973745658,"endHours":24.182856973745658,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:11","end":"01:11","startHours":24.182856973745658,"endHours":25.182856973745658,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:11","end":"02:11","startHours":25.182856973745658,"endHours":26.182856973745658,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:11","end":"03:11","startHours":26.182856973745658,"endHours":27.182856973745658,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:11","end":"04:11","startHours":27.182856973745658,"endHours":28.182856973745658,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:11","end":"05:11","startHours":28.182856973745658,"endHours":29.182856973745658,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:11","end":"06:11","startHours":29.182856973745658,"endHours":30.182856973745658,"planetary_lord":"Sun"}],"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":"South-West","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":2.9583893150105944,"eotMinutes":5.496673183402374,"ayanamsa":23.9187}},"calendars":{"vikram_samvat":2061,"vikram_samvatsara":"Hemalambī","saka_samvat":1926,"saka_samvatsara":"Tāraṇa","bengali_samvat":1411,"malayalam_era":1180,"nanakshahi_year":535,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Pratipada · Vikram 2061 Hemalambī · Śaka 1926 Tāraṇa"},"festivals":[],"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 September 15, 2004 CE · Phoenix, USA · Vidhyamitra","description":"September 15, 2004 CE for Phoenix, USA: Śukla Pratipada, sūryodaya 06:11, sūryāsta 18:35.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2004-09-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2004-09-15","sa":"https://sa.vidhyamitra.com/city/phoenix/2004-09-15","hi":"https://hi.vidhyamitra.com/city/phoenix/2004-09-15","x-default":"https://vidhyamitra.com/city/phoenix/2004-09-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T22:10:52.377Z","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":"2026-06-01T22:10:52.377Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T22:10:52.377Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}