{"id":"vidhyamitra:city-day:phoenix:1990-12-10:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1990-12-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1990-12-10","date_display":"December 10, 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":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448235.770833,"kali_year":5092,"ahargana":1859770.2708,"sun":{"sidereal_longitude":233.5736,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":151.7965,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":278.2229,"elapsed_within_tithi_degrees":2.2229},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":151.7965,"elapsed_within_degrees":5.1299},"yoga":{"number":2,"name":"Prīti","sum_longitude":25.3702},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":10,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2448235.770833,"ahargana":1859770.2708,"kali_year":5092,"ayanamsa_lahiri":23.7264,"grahas":{"sun":{"sidereal_longitude":233.98114699999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":155.24624700000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false,"latitude":-3.5142},"mars":{"sidereal_longitude":37.59214700000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":254.75874699999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":109.62064700000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":243.59114699999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":269.3311470000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":280.4212,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":100.4212,"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":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448235.770833,"kali_year":5092,"ahargana":1859770.2708,"sun":{"sidereal_longitude":233.5736,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":151.7965,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":278.2229,"elapsed_within_tithi_degrees":2.2229},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":151.7965,"elapsed_within_degrees":5.1299},"yoga":{"number":2,"name":"Prīti","sum_longitude":25.3702},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.514,"elongation":81.777},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.514,"opposition_distance":98.223}},"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":"07:22","sunsetLocal":"17:22","solarNoonLocal":"12:22","dayLengthHours":9.993002526182678,"dayLengthDisplay":"9 Hours 59 Mins 35 Secs","nightLengthDisplay":"14 Hours 00 Mins 25 Secs","moonriseLocal":"01:03","moonsetLocal":"13:11","rahuKala":{"name":"Rāhu Kāla","start":"08:37","end":"09:52","startHours":8.617057187043908,"endHours":9.866182502816745,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:07","end":"12:22","startHours":11.115307818589578,"endHours":12.364433134362415,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:37","end":"14:52","startHours":13.613558450135248,"endHours":14.862683765908084,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:42","end":"10:02","startHours":9.6996324607137,"endHours":10.032732544919789,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:47","end":"08:03","startHours":7.784306976528686,"endHours":8.050787043893557,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:42","startHours":12.031333050156325,"endHours":12.697533218568504,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:02","end":"06:42","startHours":6.035531534446717,"endHours":6.701731702858896,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:32","end":"07:22","startHours":6.5351816607558515,"endHours":7.367931871271074,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:02","end":"14:42","startHours":14.029933555392859,"endHours":14.696133723805037,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:10","end":"17:34","startHours":17.160934397453754,"endHours":17.560934397453753,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:22","end":"17:47","startHours":17.360934397453754,"endHours":17.777309502711365,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:07","end":"18:52","startHours":17.110934397453754,"endHours":18.860934397453754,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:42","startHours":24.031333050156324,"endHours":24.697533218568505,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:22","end":"08:37","startHours":7.367931871271074,"endHours":8.617057187043908,"quality":"auspicious"},{"name":"Kāla","start":"08:37","end":"09:52","startHours":8.617057187043908,"endHours":9.866182502816745,"quality":"inauspicious"},{"name":"Śubha","start":"09:52","end":"11:07","startHours":9.866182502816745,"endHours":11.115307818589578,"quality":"auspicious"},{"name":"Roga","start":"11:07","end":"12:22","startHours":11.115307818589578,"endHours":12.364433134362415,"quality":"inauspicious"},{"name":"Udveg","start":"12:22","end":"13:37","startHours":12.364433134362415,"endHours":13.613558450135248,"quality":"inauspicious"},{"name":"Chala","start":"13:37","end":"14:52","startHours":13.613558450135248,"endHours":14.862683765908084,"quality":"neutral"},{"name":"Labha","start":"14:52","end":"16:07","startHours":14.862683765908084,"endHours":16.111809081680917,"quality":"auspicious"},{"name":"Amṛta","start":"16:07","end":"17:22","startHours":16.111809081680917,"endHours":17.360934397453754,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:22","end":"19:07","startHours":17.360934397453754,"endHours":19.111809081680917,"quality":"neutral"},{"name":"Labha","start":"19:07","end":"20:52","startHours":19.111809081680917,"endHours":20.862683765908084,"quality":"auspicious"},{"name":"Amṛta","start":"20:52","end":"22:37","startHours":20.862683765908084,"endHours":22.61355845013525,"quality":"auspicious"},{"name":"Kāla","start":"22:37","end":"00:22","startHours":22.61355845013525,"endHours":24.364433134362415,"quality":"inauspicious"},{"name":"Śubha","start":"00:22","end":"02:07","startHours":24.364433134362415,"endHours":26.115307818589578,"quality":"auspicious"},{"name":"Roga","start":"02:07","end":"03:52","startHours":26.115307818589578,"endHours":27.866182502816745,"quality":"inauspicious"},{"name":"Udveg","start":"03:52","end":"05:37","startHours":27.866182502816745,"endHours":29.617057187043912,"quality":"inauspicious"},{"name":"Chala","start":"05:37","end":"07:22","startHours":29.617057187043912,"endHours":31.367931871271075,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:22","end":"08:22","startHours":7.367931871271074,"endHours":8.367931871271075,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:22","end":"09:22","startHours":8.367931871271075,"endHours":9.367931871271075,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:22","end":"10:22","startHours":9.367931871271075,"endHours":10.367931871271075,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:22","end":"11:22","startHours":10.367931871271075,"endHours":11.367931871271075,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:22","end":"12:22","startHours":11.367931871271075,"endHours":12.367931871271075,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:22","end":"13:22","startHours":12.367931871271075,"endHours":13.367931871271075,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:22","end":"14:22","startHours":13.367931871271075,"endHours":14.367931871271075,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:22","end":"15:22","startHours":14.367931871271075,"endHours":15.367931871271075,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:22","end":"16:22","startHours":15.367931871271075,"endHours":16.367931871271075,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:22","end":"17:22","startHours":16.367931871271075,"endHours":17.367931871271075,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:22","end":"18:22","startHours":17.367931871271075,"endHours":18.367931871271075,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:22","end":"19:22","startHours":18.367931871271075,"endHours":19.367931871271075,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:22","end":"20:22","startHours":19.367931871271075,"endHours":20.367931871271075,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:22","end":"21:22","startHours":20.367931871271075,"endHours":21.367931871271075,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:22","end":"22:22","startHours":21.367931871271075,"endHours":22.367931871271075,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:22","end":"23:22","startHours":22.367931871271075,"endHours":23.367931871271075,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:22","end":"00:22","startHours":23.367931871271075,"endHours":24.367931871271075,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:22","end":"01:22","startHours":24.367931871271075,"endHours":25.367931871271075,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:22","end":"02:22","startHours":25.367931871271075,"endHours":26.367931871271075,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:22","end":"03:22","startHours":26.367931871271075,"endHours":27.367931871271075,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:22","end":"04:22","startHours":27.367931871271075,"endHours":28.367931871271075,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:22","end":"05:22","startHours":28.367931871271075,"endHours":29.367931871271075,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:22","end":"06:22","startHours":29.367931871271075,"endHours":30.367931871271075,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:22","end":"07:22","startHours":30.367931871271075,"endHours":31.367931871271075,"planetary_lord":"Venus"}],"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":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.868279554114647,"eotMinutes":6.4300119382551255,"ayanamsa":23.7264}},"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 Navamī · Vikram 2047 Subhānu · Śaka 1912 Pramoda"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 10, 1990 CE · Phoenix, USA · Vidhyamitra","description":"December 10, 1990 CE for Phoenix, USA: Kṛṣṇa Navamī, sūryodaya 07:22, sūryāsta 17:22.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1990-12-10","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1990-12-10","sa":"https://sa.vidhyamitra.com/city/phoenix/1990-12-10","hi":"https://hi.vidhyamitra.com/city/phoenix/1990-12-10","x-default":"https://vidhyamitra.com/city/phoenix/1990-12-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T06:21:25.372Z","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":"2026-06-02T06:21:25.372Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T06:21:25.372Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}