{"id":"vidhyamitra:city-day:phoenix:1979-01-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1979-01-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1979-01-23","date_display":"January 23, 1979 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":1979,"month":1,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443896.770833,"kali_year":5080,"ahargana":1855431.2708,"sun":{"sidereal_longitude":278.8687,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":211.0529,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":292.1841,"elapsed_within_tithi_degrees":4.1841},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":211.0529,"elapsed_within_degrees":11.0529},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":129.9216},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1979,"month":1,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2443896.770833,"ahargana":1855431.2708,"kali_year":5080,"ayanamsa_lahiri":23.5605,"grahas":{"sun":{"sidereal_longitude":278.8685290000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":207.80872899999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false,"latitude":3.9245},"mars":{"sidereal_longitude":278.549629,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":268.00092900000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":100.37252899999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":true},"venus":{"sidereal_longitude":232.28202899999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":139.510429,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":150.3223,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":330.3223,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"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":1979,"month":1,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443896.770833,"kali_year":5080,"ahargana":1855431.2708,"sun":{"sidereal_longitude":278.8687,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":211.0529,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":292.1841,"elapsed_within_tithi_degrees":4.1841},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":211.0529,"elapsed_within_degrees":11.0529},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":129.9216},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.925,"elongation":67.816},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.925,"opposition_distance":112.184}},"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":"07:30","sunsetLocal":"17:50","solarNoonLocal":"12:40","dayLengthHours":10.329481500062949,"dayLengthDisplay":"10 Hours 19 Mins 46 Secs","nightLengthDisplay":"13 Hours 40 Mins 14 Secs","moonriseLocal":"02:43","moonsetLocal":"13:09","rahuKala":{"name":"Rāhu Kāla","start":"15:15","end":"16:33","startHours":15.250723668017697,"endHours":16.541908855525563,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:05","end":"11:23","startHours":10.085982917986222,"endHours":11.377168105494091,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:40","end":"13:58","startHours":12.66835329300196,"endHours":13.959538480509828,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:55","end":"10:15","startHours":9.913824892985172,"endHours":10.258140942987271,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:56","end":"08:13","startHours":7.9340076054731075,"endHours":8.209460445474786,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:19","end":"13:01","startHours":12.324037242999863,"endHours":13.012669343004058,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:08","end":"06:49","startHours":6.126348342962092,"endHours":6.814980442966288,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:39","end":"07:30","startHours":6.642822417965239,"endHours":7.503612542970485,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:23","end":"15:05","startHours":14.38993354301245,"endHours":15.078565643016647,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:38","end":"18:02","startHours":17.633094043033434,"endHours":18.033094043033433,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:50","end":"18:16","startHours":17.833094043033434,"endHours":18.263489105536056,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:35","end":"19:20","startHours":17.583094043033434,"endHours":19.333094043033434,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:19","end":"01:01","startHours":24.32403724299986,"endHours":25.01266934300406,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:30","end":"08:48","startHours":7.503612542970485,"endHours":8.794797730478354,"quality":"inauspicious"},{"name":"Udveg","start":"08:48","end":"10:05","startHours":8.794797730478354,"endHours":10.085982917986222,"quality":"inauspicious"},{"name":"Chala","start":"10:05","end":"11:23","startHours":10.085982917986222,"endHours":11.377168105494091,"quality":"neutral"},{"name":"Labha","start":"11:23","end":"12:40","startHours":11.377168105494091,"endHours":12.66835329300196,"quality":"auspicious"},{"name":"Amṛta","start":"12:40","end":"13:58","startHours":12.66835329300196,"endHours":13.959538480509828,"quality":"auspicious"},{"name":"Kāla","start":"13:58","end":"15:15","startHours":13.959538480509828,"endHours":15.250723668017697,"quality":"inauspicious"},{"name":"Śubha","start":"15:15","end":"16:33","startHours":15.250723668017697,"endHours":16.541908855525563,"quality":"auspicious"},{"name":"Roga","start":"16:33","end":"17:50","startHours":16.541908855525563,"endHours":17.833094043033434,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:50","end":"19:33","startHours":17.833094043033434,"endHours":19.541908855525566,"quality":"inauspicious"},{"name":"Śubha","start":"19:33","end":"21:15","startHours":19.541908855525566,"endHours":21.250723668017695,"quality":"auspicious"},{"name":"Roga","start":"21:15","end":"22:58","startHours":21.250723668017695,"endHours":22.959538480509828,"quality":"inauspicious"},{"name":"Udveg","start":"22:58","end":"00:40","startHours":22.959538480509828,"endHours":24.66835329300196,"quality":"inauspicious"},{"name":"Chala","start":"00:40","end":"02:23","startHours":24.66835329300196,"endHours":26.377168105494093,"quality":"neutral"},{"name":"Labha","start":"02:23","end":"04:05","startHours":26.377168105494093,"endHours":28.08598291798622,"quality":"auspicious"},{"name":"Amṛta","start":"04:05","end":"05:48","startHours":28.08598291798622,"endHours":29.794797730478354,"quality":"auspicious"},{"name":"Kāla","start":"05:48","end":"07:30","startHours":29.794797730478354,"endHours":31.503612542970487,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:30","end":"08:30","startHours":7.503612542970485,"endHours":8.503612542970485,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:30","end":"09:30","startHours":8.503612542970485,"endHours":9.503612542970485,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:30","end":"10:30","startHours":9.503612542970485,"endHours":10.503612542970485,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:30","end":"11:30","startHours":10.503612542970485,"endHours":11.503612542970485,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:30","end":"12:30","startHours":11.503612542970485,"endHours":12.503612542970485,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:30","end":"13:30","startHours":12.503612542970485,"endHours":13.503612542970485,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:30","end":"14:30","startHours":13.503612542970485,"endHours":14.503612542970485,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:30","end":"15:30","startHours":14.503612542970485,"endHours":15.503612542970485,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:30","end":"16:30","startHours":15.503612542970485,"endHours":16.503612542970487,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:30","end":"17:30","startHours":16.503612542970487,"endHours":17.503612542970487,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:30","end":"18:30","startHours":17.503612542970487,"endHours":18.503612542970487,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:30","end":"19:30","startHours":18.503612542970487,"endHours":19.503612542970487,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:30","end":"20:30","startHours":19.503612542970487,"endHours":20.503612542970487,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:30","end":"21:30","startHours":20.503612542970487,"endHours":21.503612542970487,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:30","end":"22:30","startHours":21.503612542970487,"endHours":22.503612542970487,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:30","end":"23:30","startHours":22.503612542970487,"endHours":23.503612542970487,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:30","end":"00:30","startHours":23.503612542970487,"endHours":24.503612542970487,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:30","end":"01:30","startHours":24.503612542970487,"endHours":25.503612542970487,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:30","end":"02:30","startHours":25.503612542970487,"endHours":26.503612542970487,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:30","end":"03:30","startHours":26.503612542970487,"endHours":27.503612542970487,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:30","end":"04:30","startHours":27.503612542970487,"endHours":28.503612542970487,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:30","end":"05:30","startHours":28.503612542970487,"endHours":29.503612542970487,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:30","end":"06:30","startHours":29.503612542970487,"endHours":30.503612542970487,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:30","end":"07:30","startHours":30.503612542970487,"endHours":31.503612542970487,"planetary_lord":"Saturn"}],"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","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"North","rahuVasa":"North","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-19.615633621007202,"eotMinutes":-11.805197580117738,"ayanamsa":23.5605}},"calendars":{"vikram_samvat":2036,"vikram_samvatsara":"Aṅgirasa","saka_samvat":1901,"saka_samvatsara":"Siddhārthī","bengali_samvat":1386,"malayalam_era":1155,"nanakshahi_year":510,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","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":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Daśamī · Vikram 2036 Aṅgirasa · Śaka 1901 Siddhārthī"},"festivals":[],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","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 23, 1979 CE · Phoenix, USA · Vidhyamitra","description":"January 23, 1979 CE for Phoenix, USA: Kṛṣṇa Daśamī, sūryodaya 07:30, sūryāsta 17:50.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1979-01-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1979-01-23","sa":"https://sa.vidhyamitra.com/city/phoenix/1979-01-23","hi":"https://hi.vidhyamitra.com/city/phoenix/1979-01-23","x-default":"https://vidhyamitra.com/city/phoenix/1979-01-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T23:13:19.058Z","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":"2026-06-01T23:13:19.058Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T23:13:19.058Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}