{"id":"vidhyamitra:city-day:phoenix:2013-01-19:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2013-01-19","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2013-01-19","date_display":"January 19, 2013 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":2013,"month":1,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456311.770833,"kali_year":5114,"ahargana":1867846.2708,"sun":{"sidereal_longitude":274.9743,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":3.5484,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":88.5741,"elapsed_within_tithi_degrees":4.5741},"nakshatra":{"number":1,"name":"Aśvinī","pada":2,"moon_longitude":3.5484,"elapsed_within_degrees":3.5484},"yoga":{"number":21,"name":"Siddha","sum_longitude":278.5226},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"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":2013,"month":1,"day":19,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456311.770833,"ahargana":1867846.2708,"kali_year":5114,"ayanamsa_lahiri":24.0353,"grahas":{"sun":{"sidereal_longitude":275.083985,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":5.667185000000018,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false,"latitude":2.1777},"mars":{"sidereal_longitude":294.7293850000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":275.38658499999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":42.104285000000004,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":true},"venus":{"sidereal_longitude":258.169485,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":196.41578500000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":212.5159,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":32.5159,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"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":2013,"month":1,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456311.770833,"kali_year":5114,"ahargana":1867846.2708,"sun":{"sidereal_longitude":274.9743,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":3.5484,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":88.5741,"elapsed_within_tithi_degrees":4.5741},"nakshatra":{"number":1,"name":"Aśvinī","pada":2,"moon_longitude":3.5484,"elapsed_within_degrees":3.5484},"yoga":{"number":21,"name":"Siddha","sum_longitude":278.5226},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.178,"elongation":88.574},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.178,"opposition_distance":91.426}},"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":"07:31","sunsetLocal":"17:47","solarNoonLocal":"12:39","dayLengthHours":10.25686865869448,"dayLengthDisplay":"10 Hours 15 Mins 25 Secs","nightLengthDisplay":"13 Hours 44 Mins 35 Secs","moonriseLocal":"12:08","moonsetLocal":"01:15","rahuKala":{"name":"Rāhu Kāla","start":"10:05","end":"11:22","startHours":10.085083734223385,"endHours":11.367192316560194,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:56","end":"15:13","startHours":13.931409481233814,"endHours":15.213518063570625,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:31","end":"08:48","startHours":7.5208665695497645,"endHours":8.802975151886574,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:55","end":"10:15","startHours":9.914135923245142,"endHours":10.256031545201626,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:57","end":"08:13","startHours":7.948236096995368,"endHours":8.221752594560554,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:18","end":"12:59","startHours":12.307405276940521,"endHours":12.991196520853485,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:09","end":"06:50","startHours":6.153284081723834,"endHours":6.837075325636799,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:40","end":"07:31","startHours":6.666127514658558,"endHours":7.5208665695497645,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:22","end":"15:03","startHours":14.358779008679416,"endHours":15.042570252592382,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:35","end":"17:59","startHours":17.577735228244244,"endHours":17.977735228244242,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:47","end":"18:12","startHours":17.777735228244243,"endHours":18.205104755689845,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:32","end":"19:17","startHours":17.527735228244243,"endHours":19.277735228244243,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:18","end":"00:59","startHours":24.30740527694052,"endHours":24.991196520853485,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:31","end":"08:48","startHours":7.5208665695497645,"endHours":8.802975151886574,"quality":"inauspicious"},{"name":"Śubha","start":"08:48","end":"10:05","startHours":8.802975151886574,"endHours":10.085083734223385,"quality":"auspicious"},{"name":"Roga","start":"10:05","end":"11:22","startHours":10.085083734223385,"endHours":11.367192316560194,"quality":"inauspicious"},{"name":"Udveg","start":"11:22","end":"12:39","startHours":11.367192316560194,"endHours":12.649300898897003,"quality":"inauspicious"},{"name":"Chala","start":"12:39","end":"13:56","startHours":12.649300898897003,"endHours":13.931409481233814,"quality":"neutral"},{"name":"Labha","start":"13:56","end":"15:13","startHours":13.931409481233814,"endHours":15.213518063570625,"quality":"auspicious"},{"name":"Amṛta","start":"15:13","end":"16:30","startHours":15.213518063570625,"endHours":16.495626645907432,"quality":"auspicious"},{"name":"Kāla","start":"16:30","end":"17:47","startHours":16.495626645907432,"endHours":17.777735228244243,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:47","end":"19:30","startHours":17.777735228244243,"endHours":19.495626645907432,"quality":"auspicious"},{"name":"Amṛta","start":"19:30","end":"21:13","startHours":19.495626645907432,"endHours":21.213518063570625,"quality":"auspicious"},{"name":"Kāla","start":"21:13","end":"22:56","startHours":21.213518063570625,"endHours":22.931409481233814,"quality":"inauspicious"},{"name":"Śubha","start":"22:56","end":"00:39","startHours":22.931409481233814,"endHours":24.649300898897003,"quality":"auspicious"},{"name":"Roga","start":"00:39","end":"02:22","startHours":24.649300898897003,"endHours":26.367192316560192,"quality":"inauspicious"},{"name":"Udveg","start":"02:22","end":"04:05","startHours":26.367192316560192,"endHours":28.08508373422338,"quality":"inauspicious"},{"name":"Chala","start":"04:05","end":"05:48","startHours":28.08508373422338,"endHours":29.802975151886574,"quality":"neutral"},{"name":"Labha","start":"05:48","end":"07:31","startHours":29.802975151886574,"endHours":31.520866569549764,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:31","end":"08:31","startHours":7.5208665695497645,"endHours":8.520866569549764,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:31","end":"09:31","startHours":8.520866569549764,"endHours":9.520866569549764,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:31","end":"10:31","startHours":9.520866569549764,"endHours":10.520866569549764,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:31","end":"11:31","startHours":10.520866569549764,"endHours":11.520866569549764,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:31","end":"12:31","startHours":11.520866569549764,"endHours":12.520866569549764,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:31","end":"13:31","startHours":12.520866569549764,"endHours":13.520866569549764,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:31","end":"14:31","startHours":13.520866569549764,"endHours":14.520866569549764,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:31","end":"15:31","startHours":14.520866569549764,"endHours":15.520866569549764,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:31","end":"16:31","startHours":15.520866569549764,"endHours":16.520866569549764,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:31","end":"17:31","startHours":16.520866569549764,"endHours":17.520866569549764,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:31","end":"18:31","startHours":17.520866569549764,"endHours":18.520866569549764,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:31","end":"19:31","startHours":18.520866569549764,"endHours":19.520866569549764,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:31","end":"20:31","startHours":19.520866569549764,"endHours":20.520866569549764,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:31","end":"21:31","startHours":20.520866569549764,"endHours":21.520866569549764,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:31","end":"22:31","startHours":21.520866569549764,"endHours":22.520866569549764,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:31","end":"23:31","startHours":22.520866569549764,"endHours":23.520866569549764,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:31","end":"00:31","startHours":23.520866569549764,"endHours":24.520866569549764,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:31","end":"01:31","startHours":24.520866569549764,"endHours":25.520866569549764,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:31","end":"02:31","startHours":25.520866569549764,"endHours":26.520866569549764,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:31","end":"03:31","startHours":26.520866569549764,"endHours":27.520866569549764,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:31","end":"04:31","startHours":27.520866569549764,"endHours":28.520866569549764,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:31","end":"05:31","startHours":28.520866569549764,"endHours":29.520866569549764,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:31","end":"06:31","startHours":29.520866569549764,"endHours":30.520866569549764,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:31","end":"07:31","startHours":30.520866569549764,"endHours":31.520866569549764,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-20.332185582317905,"eotMinutes":-10.662053933820344,"ayanamsa":24.0353}},"calendars":{"vikram_samvat":2070,"vikram_samvatsara":"Parābhava","saka_samvat":1935,"saka_samvatsara":"Vijaya","bengali_samvat":1420,"malayalam_era":1189,"nanakshahi_year":544,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Aṣṭamī · Vikram 2070 Parābhava · Śaka 1935 Vijaya"},"festivals":[],"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":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","relevance":0.5},{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","relevance":0.5}]},"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 January 19, 2013 CE · Phoenix, USA · Vidhyamitra","description":"January 19, 2013 CE for Phoenix, USA: Śukla Aṣṭamī, sūryodaya 07:31, sūryāsta 17:47.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2013-01-19","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2013-01-19","sa":"https://sa.vidhyamitra.com/city/phoenix/2013-01-19","hi":"https://hi.vidhyamitra.com/city/phoenix/2013-01-19","x-default":"https://vidhyamitra.com/city/phoenix/2013-01-19"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T15:47:09.985Z","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":"2026-06-01T15:47:09.985Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T15:47:09.985Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}