{"id":"vidhyamitra:city-day:phoenix:2137-12-19:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2137-12-19","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2137-12-19","date_display":"December 19, 2137 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":2137,"month":12,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2501935.770833,"kali_year":5239,"ahargana":1913470.2708,"sun":{"sidereal_longitude":240.7138,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":320.8214,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":80.1076,"elapsed_within_tithi_degrees":8.1076},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1,"moon_longitude":320.8214,"elapsed_within_degrees":0.8214},"yoga":{"number":16,"name":"Siddhi","sum_longitude":201.5352},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"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":2137,"month":12,"day":19,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2501935.770833,"ahargana":1913470.2708,"kali_year":5239,"ayanamsa_lahiri":25.7803,"grahas":{"sun":{"sidereal_longitude":241.40961200000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"moon":{"sidereal_longitude":324.708112,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false,"latitude":0.4453},"mars":{"sidereal_longitude":137.36141199999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":222.81221200000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":232.13131199999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":243.477712,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":266.48651199999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":315.1368,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":135.1368,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","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":2137,"month":12,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2501935.770833,"kali_year":5239,"ahargana":1913470.2708,"sun":{"sidereal_longitude":240.7138,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":320.8214,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":80.1076,"elapsed_within_tithi_degrees":8.1076},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1,"moon_longitude":320.8214,"elapsed_within_degrees":0.8214},"yoga":{"number":16,"name":"Siddhi","sum_longitude":201.5352},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.445,"elongation":80.108},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.445,"opposition_distance":99.892}},"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":9.935476436733069,"dayLengthDisplay":"9 Hours 56 Mins 08 Secs","nightLengthDisplay":"14 Hours 03 Mins 52 Secs","moonriseLocal":"12:06","moonsetLocal":"23:52","rahuKala":{"name":"Rāhu Kāla","start":"13:40","end":"14:55","startHours":13.674860715189489,"endHours":14.916795269781122,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:28","end":"08:42","startHours":7.465187942231322,"endHours":8.707122496822954,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:57","end":"11:11","startHours":9.949057051414588,"endHours":11.190991606006222,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:47","end":"10:07","startHours":9.783465777469038,"endHours":10.11464832536014,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:53","end":"08:09","startHours":7.8791661270952,"endHours":8.144112165408082,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:06","end":"12:46","startHours":12.101743612706754,"endHours":12.764108708488957,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:08","end":"06:48","startHours":6.140457750666912,"endHours":6.802822846449117,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:38","end":"07:28","startHours":6.637231572503566,"endHours":7.465187942231322,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:05","end":"14:45","startHours":14.088838900053368,"endHours":14.751203995835573,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:12","end":"17:36","startHours":17.20066437896439,"endHours":17.60066437896439,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:24","end":"17:49","startHours":17.40066437896439,"endHours":17.81464256382827,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:09","end":"18:54","startHours":17.15066437896439,"endHours":18.90066437896439,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:06","end":"00:46","startHours":24.101743612706752,"endHours":24.76410870848896,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:28","end":"08:42","startHours":7.465187942231322,"endHours":8.707122496822954,"quality":"auspicious"},{"name":"Roga","start":"08:42","end":"09:57","startHours":8.707122496822954,"endHours":9.949057051414588,"quality":"inauspicious"},{"name":"Udveg","start":"09:57","end":"11:11","startHours":9.949057051414588,"endHours":11.190991606006222,"quality":"inauspicious"},{"name":"Chala","start":"11:11","end":"12:26","startHours":11.190991606006222,"endHours":12.432926160597855,"quality":"neutral"},{"name":"Labha","start":"12:26","end":"13:40","startHours":12.432926160597855,"endHours":13.674860715189489,"quality":"auspicious"},{"name":"Amṛta","start":"13:40","end":"14:55","startHours":13.674860715189489,"endHours":14.916795269781122,"quality":"auspicious"},{"name":"Kāla","start":"14:55","end":"16:10","startHours":14.916795269781122,"endHours":16.158729824372756,"quality":"inauspicious"},{"name":"Śubha","start":"16:10","end":"17:24","startHours":16.158729824372756,"endHours":17.40066437896439,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:24","end":"19:10","startHours":17.40066437896439,"endHours":19.158729824372756,"quality":"auspicious"},{"name":"Kāla","start":"19:10","end":"20:55","startHours":19.158729824372756,"endHours":20.916795269781122,"quality":"inauspicious"},{"name":"Śubha","start":"20:55","end":"22:40","startHours":20.916795269781122,"endHours":22.67486071518949,"quality":"auspicious"},{"name":"Roga","start":"22:40","end":"00:26","startHours":22.67486071518949,"endHours":24.432926160597855,"quality":"inauspicious"},{"name":"Udveg","start":"00:26","end":"02:11","startHours":24.432926160597855,"endHours":26.19099160600622,"quality":"inauspicious"},{"name":"Chala","start":"02:11","end":"03:57","startHours":26.19099160600622,"endHours":27.949057051414588,"quality":"neutral"},{"name":"Labha","start":"03:57","end":"05:42","startHours":27.949057051414588,"endHours":29.707122496822954,"quality":"auspicious"},{"name":"Amṛta","start":"05:42","end":"07:28","startHours":29.707122496822954,"endHours":31.46518794223132,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:28","end":"08:28","startHours":7.465187942231322,"endHours":8.46518794223132,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:28","end":"09:28","startHours":8.46518794223132,"endHours":9.46518794223132,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:28","end":"10:28","startHours":9.46518794223132,"endHours":10.46518794223132,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:28","end":"11:28","startHours":10.46518794223132,"endHours":11.46518794223132,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:28","end":"12:28","startHours":11.46518794223132,"endHours":12.46518794223132,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:28","end":"13:28","startHours":12.46518794223132,"endHours":13.46518794223132,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:28","end":"14:28","startHours":13.46518794223132,"endHours":14.46518794223132,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:28","end":"15:28","startHours":14.46518794223132,"endHours":15.46518794223132,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:28","end":"16:28","startHours":15.46518794223132,"endHours":16.46518794223132,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:28","end":"17:28","startHours":16.46518794223132,"endHours":17.46518794223132,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:28","end":"18:28","startHours":17.46518794223132,"endHours":18.46518794223132,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:28","end":"19:28","startHours":18.46518794223132,"endHours":19.46518794223132,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:28","end":"20:28","startHours":19.46518794223132,"endHours":20.46518794223132,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:28","end":"21:28","startHours":20.46518794223132,"endHours":21.46518794223132,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:28","end":"22:28","startHours":21.46518794223132,"endHours":22.46518794223132,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:28","end":"23:28","startHours":22.46518794223132,"endHours":23.46518794223132,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:28","end":"00:28","startHours":23.46518794223132,"endHours":24.46518794223132,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:28","end":"01:28","startHours":24.46518794223132,"endHours":25.46518794223132,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:28","end":"02:28","startHours":25.46518794223132,"endHours":26.46518794223132,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:28","end":"03:28","startHours":26.46518794223132,"endHours":27.46518794223132,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:28","end":"04:28","startHours":27.46518794223132,"endHours":28.46518794223132,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:28","end":"05:28","startHours":28.46518794223132,"endHours":29.46518794223132,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:28","end":"06:28","startHours":29.46518794223132,"endHours":30.46518794223132,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:28","end":"07:28","startHours":30.46518794223132,"endHours":31.46518794223132,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Mānasa","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":-23.40663686491667,"eotMinutes":2.3204303641286352,"ayanamsa":25.7803}},"calendars":{"vikram_samvat":2194,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":2059,"saka_samvatsara":"Hemalambī","bengali_samvat":1544,"malayalam_era":1313,"nanakshahi_year":668,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","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":"Mārgaśīrṣa Śukla Saptamī · Vikram 2194 Sādhāraṇa · Śaka 2059 Hemalambī"},"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 19, 2137 CE · Phoenix, USA · Vidhyamitra","description":"December 19, 2137 CE for Phoenix, USA: Śukla Saptamī, sūryodaya 07:28, sūryāsta 17:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2137-12-19","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2137-12-19","sa":"https://sa.vidhyamitra.com/city/phoenix/2137-12-19","hi":"https://hi.vidhyamitra.com/city/phoenix/2137-12-19","x-default":"https://vidhyamitra.com/city/phoenix/2137-12-19"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T18:14:16.936Z","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":"2026-06-02T18:14:16.936Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T18:14:16.936Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}