{"id":"vidhyamitra:city-day:phoenix:1990-12-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1990-12-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1990-12-06","date_display":"December 6, 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":12,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448231.770833,"kali_year":5092,"ahargana":1859766.2708,"sun":{"sidereal_longitude":229.4783,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":98.4478,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":228.9695,"elapsed_within_tithi_degrees":0.9695},"nakshatra":{"number":8,"name":"Puṣya","pada":2,"moon_longitude":98.4478,"elapsed_within_degrees":5.1145},"yoga":{"number":25,"name":"Brahma","sum_longitude":327.9262},"karana":{"half_tithi_index":38,"name":"Kaulava"},"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":12,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2448231.770833,"ahargana":1859766.2708,"kali_year":5092,"ayanamsa_lahiri":23.7263,"grahas":{"sun":{"sidereal_longitude":229.9189,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":101.67320000000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false,"latitude":0.1714},"mars":{"sidereal_longitude":38.84300000000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":251.21709999999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":109.72710000000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":238.56780000000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":268.9215999999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":280.6331,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":100.6331,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":1990,"month":12,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448231.770833,"kali_year":5092,"ahargana":1859766.2708,"sun":{"sidereal_longitude":229.4783,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":98.4478,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":228.9695,"elapsed_within_tithi_degrees":0.9695},"nakshatra":{"number":8,"name":"Puṣya","pada":2,"moon_longitude":98.4478,"elapsed_within_degrees":5.1145},"yoga":{"number":25,"name":"Brahma","sum_longitude":327.9262},"karana":{"half_tithi_index":38,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.171,"elongation":131.03},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.171,"opposition_distance":48.97}},"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":"07:19","sunsetLocal":"17:21","solarNoonLocal":"12:20","dayLengthHours":10.038871558742047,"dayLengthDisplay":"10 Hours 02 Mins 20 Secs","nightLengthDisplay":"13 Hours 57 Mins 40 Secs","moonriseLocal":"20:52","moonsetLocal":"10:43","rahuKala":{"name":"Rāhu Kāla","start":"13:35","end":"14:51","startHours":13.590744286930228,"endHours":14.845603231772984,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:19","end":"08:34","startHours":7.316449562716448,"endHours":8.571308507559204,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:50","end":"11:05","startHours":9.82616745240196,"endHours":11.081026397244717,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:40","end":"10:00","startHours":9.658852926422925,"endHours":9.993481978380995,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:44","end":"08:00","startHours":7.734735877664034,"endHours":8.002439119230488,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:00","end":"12:40","startHours":12.001256290129405,"endHours":12.67051439404554,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:59","end":"06:39","startHours":5.9779333548841755,"endHours":6.647191458800312,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:29","end":"07:19","startHours":6.479876932821277,"endHours":7.316449562716448,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:01","end":"14:41","startHours":14.009030601877813,"endHours":14.67828870579395,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:09","end":"17:33","startHours":17.155321121458496,"endHours":17.555321121458494,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:21","end":"17:46","startHours":17.355321121458495,"endHours":17.77360743640608,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:06","end":"18:51","startHours":17.105321121458495,"endHours":18.855321121458495,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:00","end":"00:40","startHours":24.001256290129405,"endHours":24.67051439404554,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:19","end":"08:34","startHours":7.316449562716448,"endHours":8.571308507559204,"quality":"auspicious"},{"name":"Roga","start":"08:34","end":"09:50","startHours":8.571308507559204,"endHours":9.82616745240196,"quality":"inauspicious"},{"name":"Udveg","start":"09:50","end":"11:05","startHours":9.82616745240196,"endHours":11.081026397244717,"quality":"inauspicious"},{"name":"Chala","start":"11:05","end":"12:20","startHours":11.081026397244717,"endHours":12.335885342087472,"quality":"neutral"},{"name":"Labha","start":"12:20","end":"13:35","startHours":12.335885342087472,"endHours":13.590744286930228,"quality":"auspicious"},{"name":"Amṛta","start":"13:35","end":"14:51","startHours":13.590744286930228,"endHours":14.845603231772984,"quality":"auspicious"},{"name":"Kāla","start":"14:51","end":"16:06","startHours":14.845603231772984,"endHours":16.10046217661574,"quality":"inauspicious"},{"name":"Śubha","start":"16:06","end":"17:21","startHours":16.10046217661574,"endHours":17.355321121458495,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:21","end":"19:06","startHours":17.355321121458495,"endHours":19.10046217661574,"quality":"auspicious"},{"name":"Kāla","start":"19:06","end":"20:51","startHours":19.10046217661574,"endHours":20.845603231772984,"quality":"inauspicious"},{"name":"Śubha","start":"20:51","end":"22:35","startHours":20.845603231772984,"endHours":22.590744286930228,"quality":"auspicious"},{"name":"Roga","start":"22:35","end":"00:20","startHours":22.590744286930228,"endHours":24.335885342087472,"quality":"inauspicious"},{"name":"Udveg","start":"00:20","end":"02:05","startHours":24.335885342087472,"endHours":26.081026397244713,"quality":"inauspicious"},{"name":"Chala","start":"02:05","end":"03:50","startHours":26.081026397244713,"endHours":27.82616745240196,"quality":"neutral"},{"name":"Labha","start":"03:50","end":"05:34","startHours":27.82616745240196,"endHours":29.571308507559202,"quality":"auspicious"},{"name":"Amṛta","start":"05:34","end":"07:19","startHours":29.571308507559202,"endHours":31.31644956271645,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:19","end":"08:19","startHours":7.316449562716448,"endHours":8.316449562716448,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:19","end":"09:19","startHours":8.316449562716448,"endHours":9.316449562716448,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:19","end":"10:19","startHours":9.316449562716448,"endHours":10.316449562716448,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:19","end":"11:19","startHours":10.316449562716448,"endHours":11.316449562716448,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:19","end":"12:19","startHours":11.316449562716448,"endHours":12.316449562716448,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:19","end":"13:19","startHours":12.316449562716448,"endHours":13.316449562716448,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:19","end":"14:19","startHours":13.316449562716448,"endHours":14.316449562716448,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:19","end":"15:19","startHours":14.316449562716448,"endHours":15.316449562716448,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:19","end":"16:19","startHours":15.316449562716448,"endHours":16.31644956271645,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:19","end":"17:19","startHours":16.31644956271645,"endHours":17.31644956271645,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:19","end":"18:19","startHours":17.31644956271645,"endHours":18.31644956271645,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:19","end":"19:19","startHours":18.31644956271645,"endHours":19.31644956271645,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:19","end":"20:19","startHours":19.31644956271645,"endHours":20.31644956271645,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:19","end":"21:19","startHours":20.31644956271645,"endHours":21.31644956271645,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:19","end":"22:19","startHours":21.31644956271645,"endHours":22.31644956271645,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:19","end":"23:19","startHours":22.31644956271645,"endHours":23.31644956271645,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:19","end":"00:19","startHours":23.31644956271645,"endHours":24.31644956271645,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:19","end":"01:19","startHours":24.31644956271645,"endHours":25.31644956271645,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:19","end":"02:19","startHours":25.31644956271645,"endHours":26.31644956271645,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:19","end":"03:19","startHours":26.31644956271645,"endHours":27.31644956271645,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:19","end":"04:19","startHours":27.31644956271645,"endHours":28.31644956271645,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:19","end":"05:19","startHours":28.31644956271645,"endHours":29.31644956271645,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:19","end":"06:19","startHours":29.31644956271645,"endHours":30.31644956271645,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:19","end":"07:19","startHours":30.31644956271645,"endHours":31.31644956271645,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.43522938365755,"eotMinutes":8.142879474751563,"ayanamsa":23.7263}},"calendars":{"vikram_samvat":2047,"vikram_samvatsara":"Subhānu","saka_samvat":1912,"saka_samvatsara":"Pramoda","bengali_samvat":1397,"malayalam_era":1166,"nanakshahi_year":521,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Pañcamī · 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 December 6, 1990 CE · Phoenix, USA · Vidhyamitra","description":"December 6, 1990 CE for Phoenix, USA: Kṛṣṇa Pañcamī, sūryodaya 07:19, sūryāsta 17:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1990-12-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1990-12-06","sa":"https://sa.vidhyamitra.com/city/phoenix/1990-12-06","hi":"https://hi.vidhyamitra.com/city/phoenix/1990-12-06","x-default":"https://vidhyamitra.com/city/phoenix/1990-12-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T01:13:58.837Z","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":"2026-06-01T01:13:58.837Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T01:13:58.837Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}