{"id":"vidhyamitra:city-day:phoenix:2020-01-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2020-01-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2020-01-01","date_display":"January 1, 2020 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":2020,"month":1,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458849.770833,"kali_year":5121,"ahargana":1870384.2708,"sun":{"sidereal_longitude":255.6465,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":324.3509,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":68.7044,"elapsed_within_tithi_degrees":8.7044},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2,"moon_longitude":324.3509,"elapsed_within_degrees":4.3509},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":219.9973},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2020,"month":1,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458849.770833,"ahargana":1870384.2708,"kali_year":5121,"ayanamsa_lahiri":24.1324,"grahas":{"sun":{"sidereal_longitude":255.933714,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":322.486214,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false,"latitude":-4.1201},"mars":{"sidereal_longitude":214.01111400000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":250.06201399999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":252.568314,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"venus":{"sidereal_longitude":290.044314,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":267.218214,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":78.0404,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":258.0404,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":2020,"month":1,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458849.770833,"kali_year":5121,"ahargana":1870384.2708,"sun":{"sidereal_longitude":255.6465,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":324.3509,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":68.7044,"elapsed_within_tithi_degrees":8.7044},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2,"moon_longitude":324.3509,"elapsed_within_degrees":4.3509},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":219.9973},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.12,"elongation":68.704},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.12,"opposition_distance":111.296}},"eclipse_window_40days":[{"offset_days":-6,"type":"solar","occurs":true,"moon_latitude":0.726,"elongation":0.409},{"offset_days":10,"type":"lunar","occurs":true,"moon_latitude":0.783,"opposition_distance":1.611}]},"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":"07:33","sunsetLocal":"17:31","solarNoonLocal":"12:32","dayLengthHours":9.973144619473947,"dayLengthDisplay":"9 Hours 58 Mins 23 Secs","nightLengthDisplay":"14 Hours 01 Mins 37 Secs","moonriseLocal":"11:09","moonsetLocal":"22:47","rahuKala":{"name":"Rāhu Kāla","start":"12:32","end":"13:47","startHours":12.533352972056601,"endHours":13.779996049490846,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:48","end":"10:02","startHours":8.793423739753871,"endHours":10.040066817188116,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:17","end":"12:32","startHours":11.286709894622359,"endHours":12.533352972056601,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:52","end":"10:12","startHours":9.873847740196883,"endHours":10.206285894179349,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:58","end":"08:14","startHours":7.96232835479771,"endHours":8.228278877983682,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:12","end":"12:52","startHours":12.200914818074136,"endHours":12.865791126039067,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:13","end":"06:53","startHours":6.217028046389769,"endHours":6.881904354354699,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:43","end":"07:33","startHours":6.715685277363466,"endHours":7.5467806623196285,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:12","end":"14:52","startHours":14.195543741968926,"endHours":14.860420049933856,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:19","end":"17:43","startHours":17.319925281793576,"endHours":17.719925281793575,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:31","end":"17:56","startHours":17.519925281793576,"endHours":17.935472974271658,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:16","end":"19:01","startHours":17.269925281793576,"endHours":19.019925281793576,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:12","end":"00:52","startHours":24.200914818074136,"endHours":24.865791126039067,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:33","end":"08:48","startHours":7.5467806623196285,"endHours":8.793423739753871,"quality":"auspicious"},{"name":"Amṛta","start":"08:48","end":"10:02","startHours":8.793423739753871,"endHours":10.040066817188116,"quality":"auspicious"},{"name":"Kāla","start":"10:02","end":"11:17","startHours":10.040066817188116,"endHours":11.286709894622359,"quality":"inauspicious"},{"name":"Śubha","start":"11:17","end":"12:32","startHours":11.286709894622359,"endHours":12.533352972056601,"quality":"auspicious"},{"name":"Roga","start":"12:32","end":"13:47","startHours":12.533352972056601,"endHours":13.779996049490846,"quality":"inauspicious"},{"name":"Udveg","start":"13:47","end":"15:02","startHours":13.779996049490846,"endHours":15.026639126925089,"quality":"inauspicious"},{"name":"Chala","start":"15:02","end":"16:16","startHours":15.026639126925089,"endHours":16.273282204359333,"quality":"neutral"},{"name":"Labha","start":"16:16","end":"17:31","startHours":16.273282204359333,"endHours":17.519925281793576,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:31","end":"19:16","startHours":17.519925281793576,"endHours":19.273282204359333,"quality":"inauspicious"},{"name":"Chala","start":"19:16","end":"21:02","startHours":19.273282204359333,"endHours":21.02663912692509,"quality":"neutral"},{"name":"Labha","start":"21:02","end":"22:47","startHours":21.02663912692509,"endHours":22.779996049490848,"quality":"auspicious"},{"name":"Amṛta","start":"22:47","end":"00:32","startHours":22.779996049490848,"endHours":24.5333529720566,"quality":"auspicious"},{"name":"Kāla","start":"00:32","end":"02:17","startHours":24.5333529720566,"endHours":26.28670989462236,"quality":"inauspicious"},{"name":"Śubha","start":"02:17","end":"04:02","startHours":26.28670989462236,"endHours":28.040066817188116,"quality":"auspicious"},{"name":"Roga","start":"04:02","end":"05:48","startHours":28.040066817188116,"endHours":29.79342373975387,"quality":"inauspicious"},{"name":"Udveg","start":"05:48","end":"07:33","startHours":29.79342373975387,"endHours":31.546780662319627,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:33","end":"08:33","startHours":7.5467806623196285,"endHours":8.546780662319629,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:33","end":"09:33","startHours":8.546780662319629,"endHours":9.546780662319629,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:33","end":"10:33","startHours":9.546780662319629,"endHours":10.546780662319629,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:33","end":"11:33","startHours":10.546780662319629,"endHours":11.546780662319629,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:33","end":"12:33","startHours":11.546780662319629,"endHours":12.546780662319629,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:33","end":"13:33","startHours":12.546780662319629,"endHours":13.546780662319629,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:33","end":"14:33","startHours":13.546780662319629,"endHours":14.546780662319629,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:33","end":"15:33","startHours":14.546780662319629,"endHours":15.546780662319629,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:33","end":"16:33","startHours":15.546780662319629,"endHours":16.546780662319627,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:33","end":"17:33","startHours":16.546780662319627,"endHours":17.546780662319627,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:33","end":"18:33","startHours":17.546780662319627,"endHours":18.546780662319627,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:33","end":"19:33","startHours":18.546780662319627,"endHours":19.546780662319627,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:33","end":"20:33","startHours":19.546780662319627,"endHours":20.546780662319627,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:33","end":"21:33","startHours":20.546780662319627,"endHours":21.546780662319627,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:33","end":"22:33","startHours":21.546780662319627,"endHours":22.546780662319627,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:33","end":"23:33","startHours":22.546780662319627,"endHours":23.546780662319627,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:33","end":"00:33","startHours":23.546780662319627,"endHours":24.546780662319627,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:33","end":"01:33","startHours":24.546780662319627,"endHours":25.546780662319627,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:33","end":"02:33","startHours":25.546780662319627,"endHours":26.546780662319627,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:33","end":"03:33","startHours":26.546780662319627,"endHours":27.546780662319627,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:33","end":"04:33","startHours":27.546780662319627,"endHours":28.546780662319627,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:33","end":"05:33","startHours":28.546780662319627,"endHours":29.546780662319627,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:33","end":"06:33","startHours":29.546780662319627,"endHours":30.546780662319627,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:33","end":"07:33","startHours":30.546780662319627,"endHours":31.546780662319627,"planetary_lord":"Sun"}],"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":"North (Uttara)","chandraVasa":"South","rahuVasa":"South-West","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-23.05471891012744,"eotMinutes":-3.705178323396069,"ayanamsa":24.1324}},"calendars":{"vikram_samvat":2077,"vikram_samvatsara":"Pramādī","saka_samvat":1942,"saka_samvatsara":"Śārvarī","bengali_samvat":1427,"malayalam_era":1196,"nanakshahi_year":551,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Ṣaṣṭhī · Vikram 2077 Pramādī · Śaka 1942 Śārvarī"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":5}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 January 1, 2020 CE · Phoenix, USA · Vidhyamitra","description":"January 1, 2020 CE for Phoenix, USA: Śukla Ṣaṣṭhī, sūryodaya 07:33, sūryāsta 17:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2020-01-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2020-01-01","sa":"https://sa.vidhyamitra.com/city/phoenix/2020-01-01","hi":"https://hi.vidhyamitra.com/city/phoenix/2020-01-01","x-default":"https://vidhyamitra.com/city/phoenix/2020-01-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T05:46:37.509Z","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":"2026-05-15T05:46:37.509Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T05:46:37.509Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}