{"id":"vidhyamitra:city-day:phoenix:2016-01-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2016-01-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2016-01-16","date_display":"January 16, 2016 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":2016,"month":1,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457403.770833,"kali_year":5117,"ahargana":1868938.2708,"sun":{"sidereal_longitude":271.0983,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":347.8822,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":76.7839,"elapsed_within_tithi_degrees":4.7839},"nakshatra":{"number":27,"name":"Revatī","pada":1,"moon_longitude":347.8822,"elapsed_within_degrees":1.2155},"yoga":{"number":20,"name":"Śiva","sum_longitude":258.9804},"karana":{"half_tithi_index":12,"name":"Gara"},"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":2016,"month":1,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457403.770833,"ahargana":1868938.2708,"kali_year":5117,"ayanamsa_lahiri":24.0771,"grahas":{"sun":{"sidereal_longitude":271.245762,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":348.950062,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false,"latitude":-1.0285},"mars":{"sidereal_longitude":192.42816200000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":267.564762,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":148.33486200000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":true},"venus":{"sidereal_longitude":236.09536200000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":228.39996199999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":154.6565,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":334.6565,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","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":2016,"month":1,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457403.770833,"kali_year":5117,"ahargana":1868938.2708,"sun":{"sidereal_longitude":271.0983,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":347.8822,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":76.7839,"elapsed_within_tithi_degrees":4.7839},"nakshatra":{"number":27,"name":"Revatī","pada":1,"moon_longitude":347.8822,"elapsed_within_degrees":1.2155},"yoga":{"number":20,"name":"Śiva","sum_longitude":258.9804},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.029,"elongation":76.784},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.029,"opposition_distance":103.216}},"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":"07:33","sunsetLocal":"17:43","solarNoonLocal":"12:38","dayLengthHours":10.181204449936558,"dayLengthDisplay":"10 Hours 10 Mins 52 Secs","nightLengthDisplay":"13 Hours 49 Mins 08 Secs","moonriseLocal":"11:32","moonsetLocal":"00:05","rahuKala":{"name":"Rāhu Kāla","start":"10:05","end":"11:22","startHours":10.087847246545486,"endHours":11.360497802787556,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:54","end":"15:11","startHours":13.905798915271696,"endHours":15.178449471513765,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:33","end":"08:49","startHours":7.542546134061346,"endHours":8.815196690303416,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:55","end":"10:15","startHours":9.91816050571321,"endHours":10.257533987377762,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:58","end":"08:14","startHours":7.966762986142036,"endHours":8.238261771473677,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:18","end":"12:58","startHours":12.293774877365074,"endHours":12.972521840694178,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:11","end":"06:52","startHours":6.185052207403138,"endHours":6.863799170732242,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:42","end":"07:33","startHours":6.694112429899966,"endHours":7.542546134061346,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:20","end":"15:01","startHours":14.330015767352386,"endHours":15.00876273068149,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:31","end":"17:55","startHours":17.523750583997906,"endHours":17.923750583997904,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:43","end":"18:09","startHours":17.723750583997905,"endHours":18.147967436078595,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:28","end":"19:13","startHours":17.473750583997905,"endHours":19.223750583997905,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:18","end":"00:58","startHours":24.293774877365074,"endHours":24.972521840694178,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:33","end":"08:49","startHours":7.542546134061346,"endHours":8.815196690303416,"quality":"inauspicious"},{"name":"Śubha","start":"08:49","end":"10:05","startHours":8.815196690303416,"endHours":10.087847246545486,"quality":"auspicious"},{"name":"Roga","start":"10:05","end":"11:22","startHours":10.087847246545486,"endHours":11.360497802787556,"quality":"inauspicious"},{"name":"Udveg","start":"11:22","end":"12:38","startHours":11.360497802787556,"endHours":12.633148359029626,"quality":"inauspicious"},{"name":"Chala","start":"12:38","end":"13:54","startHours":12.633148359029626,"endHours":13.905798915271696,"quality":"neutral"},{"name":"Labha","start":"13:54","end":"15:11","startHours":13.905798915271696,"endHours":15.178449471513765,"quality":"auspicious"},{"name":"Amṛta","start":"15:11","end":"16:27","startHours":15.178449471513765,"endHours":16.451100027755835,"quality":"auspicious"},{"name":"Kāla","start":"16:27","end":"17:43","startHours":16.451100027755835,"endHours":17.723750583997905,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:43","end":"19:27","startHours":17.723750583997905,"endHours":19.451100027755835,"quality":"auspicious"},{"name":"Amṛta","start":"19:27","end":"21:11","startHours":19.451100027755835,"endHours":21.178449471513765,"quality":"auspicious"},{"name":"Kāla","start":"21:11","end":"22:54","startHours":21.178449471513765,"endHours":22.905798915271696,"quality":"inauspicious"},{"name":"Śubha","start":"22:54","end":"00:38","startHours":22.905798915271696,"endHours":24.633148359029626,"quality":"auspicious"},{"name":"Roga","start":"00:38","end":"02:22","startHours":24.633148359029626,"endHours":26.360497802787556,"quality":"inauspicious"},{"name":"Udveg","start":"02:22","end":"04:05","startHours":26.360497802787556,"endHours":28.087847246545486,"quality":"inauspicious"},{"name":"Chala","start":"04:05","end":"05:49","startHours":28.087847246545486,"endHours":29.815196690303416,"quality":"neutral"},{"name":"Labha","start":"05:49","end":"07:33","startHours":29.815196690303416,"endHours":31.542546134061347,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:33","end":"08:33","startHours":7.542546134061346,"endHours":8.542546134061347,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:33","end":"09:33","startHours":8.542546134061347,"endHours":9.542546134061347,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:33","end":"10:33","startHours":9.542546134061347,"endHours":10.542546134061347,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:33","end":"11:33","startHours":10.542546134061347,"endHours":11.542546134061347,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:33","end":"12:33","startHours":11.542546134061347,"endHours":12.542546134061347,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:33","end":"13:33","startHours":12.542546134061347,"endHours":13.542546134061347,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:33","end":"14:33","startHours":13.542546134061347,"endHours":14.542546134061347,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:33","end":"15:33","startHours":14.542546134061347,"endHours":15.542546134061347,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:33","end":"16:33","startHours":15.542546134061347,"endHours":16.542546134061347,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:33","end":"17:33","startHours":16.542546134061347,"endHours":17.542546134061347,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:33","end":"18:33","startHours":17.542546134061347,"endHours":18.542546134061347,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:33","end":"19:33","startHours":18.542546134061347,"endHours":19.542546134061347,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:33","end":"20:33","startHours":19.542546134061347,"endHours":20.542546134061347,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:33","end":"21:33","startHours":20.542546134061347,"endHours":21.542546134061347,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:33","end":"22:33","startHours":21.542546134061347,"endHours":22.542546134061347,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:33","end":"23:33","startHours":22.542546134061347,"endHours":23.542546134061347,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:33","end":"00:33","startHours":23.542546134061347,"endHours":24.542546134061347,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:33","end":"01:33","startHours":24.542546134061347,"endHours":25.542546134061347,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:33","end":"02:33","startHours":25.542546134061347,"endHours":26.542546134061347,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:33","end":"03:33","startHours":26.542546134061347,"endHours":27.542546134061347,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:33","end":"04:33","startHours":27.542546134061347,"endHours":28.542546134061347,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:33","end":"05:33","startHours":28.542546134061347,"endHours":29.542546134061347,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:33","end":"06:33","startHours":29.542546134061347,"endHours":30.542546134061347,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:33","end":"07:33","startHours":30.542546134061347,"endHours":31.542546134061347,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"drikRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-21.070421266325038,"eotMinutes":-9.692901541777706,"ayanamsa":24.0771}},"calendars":{"vikram_samvat":2073,"vikram_samvatsara":"Saumya","saka_samvat":1938,"saka_samvatsara":"Durmukhi","bengali_samvat":1423,"malayalam_era":1192,"nanakshahi_year":547,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Saptamī · Vikram 2073 Saumya · Śaka 1938 Durmukhi"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2}],"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":[]},"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 16, 2016 CE · Phoenix, USA · Vidhyamitra","description":"January 16, 2016 CE for Phoenix, USA: Śukla Saptamī, sūryodaya 07:33, sūryāsta 17:43.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2016-01-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2016-01-16","sa":"https://sa.vidhyamitra.com/city/phoenix/2016-01-16","hi":"https://hi.vidhyamitra.com/city/phoenix/2016-01-16","x-default":"https://vidhyamitra.com/city/phoenix/2016-01-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T21:31:18.110Z","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":"2026-05-15T21:31:18.110Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T21:31:18.110Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}