{"id":"vidhyamitra:city-day:phoenix:2157-12-19:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2157-12-19","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2157-12-19","date_display":"December 19, 2157 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":2157,"month":12,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2509240.770833,"kali_year":5259,"ahargana":1920775.2708,"sun":{"sidereal_longitude":240.534,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":97.5397,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":217.0057,"elapsed_within_tithi_degrees":1.0057},"nakshatra":{"number":8,"name":"Puṣya","pada":2,"moon_longitude":97.5397,"elapsed_within_degrees":4.2064},"yoga":{"number":26,"name":"Indra","sum_longitude":338.0738},"karana":{"half_tithi_index":36,"name":"Bava"},"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":2157,"month":12,"day":19,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2509240.770833,"ahargana":1920775.2708,"kali_year":5259,"ayanamsa_lahiri":26.0596,"grahas":{"sun":{"sidereal_longitude":241.278508,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"moon":{"sidereal_longitude":98.03010800000004,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false,"latitude":0.8226},"mars":{"sidereal_longitude":291.915308,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":225.07300799999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":135.901208,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":210.66010800000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":167.49340800000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":288.0827,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":108.0827,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1},"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":2157,"month":12,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2509240.770833,"kali_year":5259,"ahargana":1920775.2708,"sun":{"sidereal_longitude":240.534,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":97.5397,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":217.0057,"elapsed_within_tithi_degrees":1.0057},"nakshatra":{"number":8,"name":"Puṣya","pada":2,"moon_longitude":97.5397,"elapsed_within_degrees":4.2064},"yoga":{"number":26,"name":"Indra","sum_longitude":338.0738},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.823,"elongation":142.994},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.823,"opposition_distance":37.006}},"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":"07:28","sunsetLocal":"17:24","solarNoonLocal":"12:26","dayLengthHours":9.935147198790792,"dayLengthDisplay":"9 Hours 56 Mins 07 Secs","nightLengthDisplay":"14 Hours 03 Mins 53 Secs","moonriseLocal":"19:57","moonsetLocal":"09:49","rahuKala":{"name":"Rāhu Kāla","start":"08:42","end":"09:57","startHours":8.707245961051308,"endHours":9.949139360900158,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:11","end":"12:26","startHours":11.191032760749007,"endHours":12.432926160597855,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:40","end":"14:55","startHours":13.674819560446705,"endHours":14.916712960295554,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:47","end":"10:07","startHours":9.783553574253645,"endHours":10.114725147546672,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:53","end":"08:09","startHours":7.879317027818743,"endHours":8.144254286453164,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:06","end":"12:46","startHours":12.101754587304828,"endHours":12.764097733890882,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:08","end":"06:48","startHours":6.140666268030354,"endHours":6.803009414616407,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:38","end":"07:28","startHours":6.637423627969894,"endHours":7.46535256120246,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:05","end":"14:45","startHours":14.088784027062989,"endHours":14.751127173649042,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:12","end":"17:36","startHours":17.200499759993253,"endHours":17.60049975999325,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:24","end":"17:49","startHours":17.400499759993252,"endHours":17.814464226609534,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:09","end":"18:54","startHours":17.150499759993252,"endHours":18.900499759993252,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:06","end":"00:46","startHours":24.10175458730483,"endHours":24.764097733890882,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:28","end":"08:42","startHours":7.46535256120246,"endHours":8.707245961051308,"quality":"auspicious"},{"name":"Kāla","start":"08:42","end":"09:57","startHours":8.707245961051308,"endHours":9.949139360900158,"quality":"inauspicious"},{"name":"Śubha","start":"09:57","end":"11:11","startHours":9.949139360900158,"endHours":11.191032760749007,"quality":"auspicious"},{"name":"Roga","start":"11:11","end":"12:26","startHours":11.191032760749007,"endHours":12.432926160597855,"quality":"inauspicious"},{"name":"Udveg","start":"12:26","end":"13:40","startHours":12.432926160597855,"endHours":13.674819560446705,"quality":"inauspicious"},{"name":"Chala","start":"13:40","end":"14:55","startHours":13.674819560446705,"endHours":14.916712960295554,"quality":"neutral"},{"name":"Labha","start":"14:55","end":"16:10","startHours":14.916712960295554,"endHours":16.158606360144404,"quality":"auspicious"},{"name":"Amṛta","start":"16:10","end":"17:24","startHours":16.158606360144404,"endHours":17.400499759993252,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:24","end":"19:10","startHours":17.400499759993252,"endHours":19.158606360144404,"quality":"neutral"},{"name":"Labha","start":"19:10","end":"20:55","startHours":19.158606360144404,"endHours":20.916712960295555,"quality":"auspicious"},{"name":"Amṛta","start":"20:55","end":"22:40","startHours":20.916712960295555,"endHours":22.674819560446707,"quality":"auspicious"},{"name":"Kāla","start":"22:40","end":"00:26","startHours":22.674819560446707,"endHours":24.432926160597855,"quality":"inauspicious"},{"name":"Śubha","start":"00:26","end":"02:11","startHours":24.432926160597855,"endHours":26.191032760749007,"quality":"auspicious"},{"name":"Roga","start":"02:11","end":"03:57","startHours":26.191032760749007,"endHours":27.94913936090016,"quality":"inauspicious"},{"name":"Udveg","start":"03:57","end":"05:42","startHours":27.94913936090016,"endHours":29.707245961051306,"quality":"inauspicious"},{"name":"Chala","start":"05:42","end":"07:28","startHours":29.707245961051306,"endHours":31.465352561202458,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:28","end":"08:28","startHours":7.46535256120246,"endHours":8.46535256120246,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:28","end":"09:28","startHours":8.46535256120246,"endHours":9.46535256120246,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:28","end":"10:28","startHours":9.46535256120246,"endHours":10.46535256120246,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:28","end":"11:28","startHours":10.46535256120246,"endHours":11.46535256120246,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:28","end":"12:28","startHours":11.46535256120246,"endHours":12.46535256120246,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:28","end":"13:28","startHours":12.46535256120246,"endHours":13.46535256120246,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:28","end":"14:28","startHours":13.46535256120246,"endHours":14.46535256120246,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:28","end":"15:28","startHours":14.46535256120246,"endHours":15.46535256120246,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:28","end":"16:28","startHours":15.46535256120246,"endHours":16.465352561202458,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:28","end":"17:28","startHours":16.465352561202458,"endHours":17.465352561202458,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:28","end":"18:28","startHours":17.465352561202458,"endHours":18.465352561202458,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:28","end":"19:28","startHours":18.465352561202458,"endHours":19.465352561202458,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:28","end":"20:28","startHours":19.465352561202458,"endHours":20.465352561202458,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:28","end":"21:28","startHours":20.465352561202458,"endHours":21.465352561202458,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:28","end":"22:28","startHours":21.465352561202458,"endHours":22.465352561202458,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:28","end":"23:28","startHours":22.465352561202458,"endHours":23.465352561202458,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:28","end":"00:28","startHours":23.465352561202458,"endHours":24.465352561202458,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:28","end":"01:28","startHours":24.465352561202458,"endHours":25.465352561202458,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:28","end":"02:28","startHours":25.465352561202458,"endHours":26.465352561202458,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:28","end":"03:28","startHours":26.465352561202458,"endHours":27.465352561202458,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:28","end":"04:28","startHours":27.465352561202458,"endHours":28.465352561202458,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:28","end":"05:28","startHours":28.465352561202458,"endHours":29.465352561202458,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:28","end":"06:28","startHours":29.465352561202458,"endHours":30.465352561202458,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:28","end":"07:28","startHours":30.465352561202458,"endHours":31.465352561202458,"planetary_lord":"Venus"}],"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":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.409702739813223,"eotMinutes":2.3204303641286352,"ayanamsa":26.0596}},"calendars":{"vikram_samvat":2214,"vikram_samvatsara":"Pramoda","saka_samvat":2079,"saka_samvatsara":"Piṅgala","bengali_samvat":1564,"malayalam_era":1333,"nanakshahi_year":688,"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":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Caturthī · Vikram 2214 Pramoda · Śaka 2079 Piṅgala"},"festivals":[{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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 19, 2157 CE · Phoenix, USA · Vidhyamitra","description":"December 19, 2157 CE for Phoenix, USA: Kṛṣṇa Caturthī, sūryodaya 07:28, sūryāsta 17:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2157-12-19","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2157-12-19","sa":"https://sa.vidhyamitra.com/city/phoenix/2157-12-19","hi":"https://hi.vidhyamitra.com/city/phoenix/2157-12-19","x-default":"https://vidhyamitra.com/city/phoenix/2157-12-19"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T15:15:36.956Z","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":"2026-06-02T15:15:36.956Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T15:15:36.956Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}