{"id":"vidhyamitra:city-day:phoenix:1990-09-29:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1990-09-29","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1990-09-29","date_display":"September 29, 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":9,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448163.770833,"kali_year":5092,"ahargana":1859698.2708,"sun":{"sidereal_longitude":161.1946,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":274.7531,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":113.5584,"elapsed_within_tithi_degrees":5.5584},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":274.7531,"elapsed_within_degrees":8.0864},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":75.9477},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":9,"day":29,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2448163.770833,"ahargana":1859698.2708,"kali_year":5092,"ayanamsa_lahiri":23.7237,"grahas":{"sun":{"sidereal_longitude":161.91739800000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"moon":{"sidereal_longitude":273.681598,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false,"latitude":-0.7407},"mars":{"sidereal_longitude":47.753998000000024,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":145.550298,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":104.23389800000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"venus":{"sidereal_longitude":153.35339799999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":264.83169799999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":284.2361,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":104.2361,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":1990,"month":9,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448163.770833,"kali_year":5092,"ahargana":1859698.2708,"sun":{"sidereal_longitude":161.1946,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":274.7531,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":113.5584,"elapsed_within_tithi_degrees":5.5584},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":274.7531,"elapsed_within_degrees":8.0864},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":75.9477},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.741,"elongation":113.558},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.741,"opposition_distance":66.442}},"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":"06:20","sunsetLocal":"18:16","solarNoonLocal":"12:18","dayLengthHours":11.935759092232857,"dayLengthDisplay":"11 Hours 56 Mins 09 Secs","nightLengthDisplay":"12 Hours 03 Mins 51 Secs","moonriseLocal":"14:40","moonsetLocal":"00:50","rahuKala":{"name":"Rāhu Kāla","start":"09:19","end":"10:48","startHours":9.312400954211647,"endHours":10.804370840740752,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:47","end":"15:17","startHours":13.788310613798966,"endHours":15.280280500328075,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:20","end":"07:49","startHours":6.328461181153432,"endHours":7.820431067682539,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:07","end":"09:31","startHours":9.113471636007766,"endHours":9.511330272415528,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:50","end":"07:09","startHours":6.825784476663134,"endHours":7.144071385789344,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:42","startHours":11.8984820908621,"endHours":12.694199363677622,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:44","end":"05:32","startHours":4.737026635522384,"endHours":5.532743908337908,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:20","end":"06:20","startHours":5.333814590134027,"endHours":6.328461181153432,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:17","end":"15:05","startHours":14.28563390930867,"endHours":15.081351182124195,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:04","end":"18:28","startHours":18.06422027338629,"endHours":18.46422027338629,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:16","end":"18:46","startHours":18.26422027338629,"endHours":18.76154356889599,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:01","end":"19:46","startHours":18.01422027338629,"endHours":19.76422027338629,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:42","startHours":23.8984820908621,"endHours":24.694199363677622,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:20","end":"07:49","startHours":6.328461181153432,"endHours":7.820431067682539,"quality":"inauspicious"},{"name":"Śubha","start":"07:49","end":"09:19","startHours":7.820431067682539,"endHours":9.312400954211647,"quality":"auspicious"},{"name":"Roga","start":"09:19","end":"10:48","startHours":9.312400954211647,"endHours":10.804370840740752,"quality":"inauspicious"},{"name":"Udveg","start":"10:48","end":"12:18","startHours":10.804370840740752,"endHours":12.296340727269861,"quality":"inauspicious"},{"name":"Chala","start":"12:18","end":"13:47","startHours":12.296340727269861,"endHours":13.788310613798966,"quality":"neutral"},{"name":"Labha","start":"13:47","end":"15:17","startHours":13.788310613798966,"endHours":15.280280500328075,"quality":"auspicious"},{"name":"Amṛta","start":"15:17","end":"16:46","startHours":15.280280500328075,"endHours":16.77225038685718,"quality":"auspicious"},{"name":"Kāla","start":"16:46","end":"18:16","startHours":16.77225038685718,"endHours":18.26422027338629,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:16","end":"19:46","startHours":18.26422027338629,"endHours":19.77225038685718,"quality":"auspicious"},{"name":"Amṛta","start":"19:46","end":"21:17","startHours":19.77225038685718,"endHours":21.280280500328075,"quality":"auspicious"},{"name":"Kāla","start":"21:17","end":"22:47","startHours":21.280280500328075,"endHours":22.78831061379897,"quality":"inauspicious"},{"name":"Śubha","start":"22:47","end":"00:18","startHours":22.78831061379897,"endHours":24.29634072726986,"quality":"auspicious"},{"name":"Roga","start":"00:18","end":"01:48","startHours":24.29634072726986,"endHours":25.804370840740752,"quality":"inauspicious"},{"name":"Udveg","start":"01:48","end":"03:19","startHours":25.804370840740752,"endHours":27.312400954211647,"quality":"inauspicious"},{"name":"Chala","start":"03:19","end":"04:49","startHours":27.312400954211647,"endHours":28.82043106768254,"quality":"neutral"},{"name":"Labha","start":"04:49","end":"06:20","startHours":28.82043106768254,"endHours":30.328461181153433,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:20","end":"07:20","startHours":6.328461181153432,"endHours":7.328461181153432,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:20","end":"08:20","startHours":7.328461181153432,"endHours":8.328461181153433,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:20","end":"09:20","startHours":8.328461181153433,"endHours":9.328461181153433,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:20","end":"10:20","startHours":9.328461181153433,"endHours":10.328461181153433,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:20","end":"11:20","startHours":10.328461181153433,"endHours":11.328461181153433,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:20","end":"12:20","startHours":11.328461181153433,"endHours":12.328461181153433,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:20","end":"13:20","startHours":12.328461181153433,"endHours":13.328461181153433,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:20","end":"14:20","startHours":13.328461181153433,"endHours":14.328461181153433,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:20","end":"15:20","startHours":14.328461181153433,"endHours":15.328461181153433,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:20","end":"16:20","startHours":15.328461181153433,"endHours":16.328461181153433,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:20","end":"17:20","startHours":16.328461181153433,"endHours":17.328461181153433,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:20","end":"18:20","startHours":17.328461181153433,"endHours":18.328461181153433,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:20","end":"19:20","startHours":18.328461181153433,"endHours":19.328461181153433,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:20","end":"20:20","startHours":19.328461181153433,"endHours":20.328461181153433,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:20","end":"21:20","startHours":20.328461181153433,"endHours":21.328461181153433,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:20","end":"22:20","startHours":21.328461181153433,"endHours":22.328461181153433,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:20","end":"23:20","startHours":22.328461181153433,"endHours":23.328461181153433,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:20","end":"00:20","startHours":23.328461181153433,"endHours":24.328461181153433,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:20","end":"01:20","startHours":24.328461181153433,"endHours":25.328461181153433,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:20","end":"02:20","startHours":25.328461181153433,"endHours":26.328461181153433,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:20","end":"03:20","startHours":26.328461181153433,"endHours":27.328461181153433,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:20","end":"04:20","startHours":27.328461181153433,"endHours":28.328461181153433,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:20","end":"05:20","startHours":28.328461181153433,"endHours":29.328461181153433,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:20","end":"06:20","startHours":29.328461181153433,"endHours":30.328461181153433,"planetary_lord":"Mercury"}],"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","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-2.2405957684148974,"eotMinutes":10.515556363808276,"ayanamsa":23.7237}},"calendars":{"vikram_samvat":2047,"vikram_samvatsara":"Subhānu","saka_samvat":1912,"saka_samvatsara":"Pramoda","bengali_samvat":1397,"malayalam_era":1166,"nanakshahi_year":521,"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":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Daśamī · Vikram 2047 Subhānu · Śaka 1912 Pramoda"},"festivals":[{"id":"vijaya-dashami","name":"Vijaya Daśamī (Dasarā / Daśaharā)","name_sanskrit":"विजय दशमी","tradition":"Pan-Hindu","associated_deity":"Rāma (Rāvaṇa-vadha) + Durgā (Mahiṣāsura-vadha)","significance":"Rāma's victory over Rāvaṇa; Durgā's victory; ārambha-divasa for śilpa-kalā.","vrata":true,"primary_observance":"Rāvaṇa-dahana; Aparājitā-pūjā; Śastra-pūjā","detection":{"tithi_number":10,"tithi_paksha":"Śukla","lunar_month":"Āśvina"},"precedence":1,"related_chart":"rama","sources":["Vālmīki Rāmāyaṇa, Yuddha-Kāṇḍa","Devī Mahātmya"]}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 29, 1990 CE · Phoenix, USA · Vidhyamitra","description":"September 29, 1990 CE for Phoenix, USA: Śukla Daśamī, sūryodaya 06:20, sūryāsta 18:16.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1990-09-29","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1990-09-29","sa":"https://sa.vidhyamitra.com/city/phoenix/1990-09-29","hi":"https://hi.vidhyamitra.com/city/phoenix/1990-09-29","x-default":"https://vidhyamitra.com/city/phoenix/1990-09-29"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T21:17:55.948Z","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":"2026-06-02T21:17:55.948Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T21:17:55.948Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}