{"id":"vidhyamitra:city-day:phoenix:2017-01-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2017-01-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2017-01-18","date_display":"January 18, 2017 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":2017,"month":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457771.770833,"kali_year":5118,"ahargana":1869306.2708,"sun":{"sidereal_longitude":273.9122,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":162.4238,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":248.5116,"elapsed_within_tithi_degrees":8.5116},"nakshatra":{"number":13,"name":"Hasta","pada":1,"moon_longitude":162.4238,"elapsed_within_degrees":2.4238},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":76.336},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"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":2017,"month":1,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457771.770833,"ahargana":1869306.2708,"kali_year":5118,"ayanamsa_lahiri":24.0912,"grahas":{"sun":{"sidereal_longitude":274.038902,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":163.110002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false,"latitude":2.0599},"mars":{"sidereal_longitude":328.013502,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":249.64730200000008,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":177.97070200000007,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":320.8158020000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":238.95480199999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":135.158,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":315.158,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"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":2017,"month":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457771.770833,"kali_year":5118,"ahargana":1869306.2708,"sun":{"sidereal_longitude":273.9122,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":162.4238,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":248.5116,"elapsed_within_tithi_degrees":8.5116},"nakshatra":{"number":13,"name":"Hasta","pada":1,"moon_longitude":162.4238,"elapsed_within_degrees":2.4238},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":76.336},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.06,"elongation":111.488},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.06,"opposition_distance":68.512}},"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":"07:32","sunsetLocal":"17:46","solarNoonLocal":"12:39","dayLengthHours":10.236341739925656,"dayLengthDisplay":"10 Hours 14 Mins 11 Secs","nightLengthDisplay":"13 Hours 45 Mins 49 Secs","moonriseLocal":"23:20","moonsetLocal":"11:10","rahuKala":{"name":"Rāhu Kāla","start":"12:39","end":"13:55","startHours":12.644087159694827,"endHours":13.923629877185533,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:48","end":"10:05","startHours":8.805459007222705,"endHours":10.085001724713413,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:22","end":"12:39","startHours":11.36454444220412,"endHours":12.644087159694827,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:55","end":"10:15","startHours":9.914396029047985,"endHours":10.25560742037884,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:57","end":"08:14","startHours":7.952430528895568,"endHours":8.225399641960252,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:18","end":"12:59","startHours":12.302875768363972,"endHours":12.985298551025682,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:10","end":"06:51","startHours":6.161070724408578,"endHours":6.8434935070702885,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:40","end":"07:32","startHours":6.672887811404861,"endHours":7.525916289731999,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:21","end":"15:02","startHours":14.350144116349103,"endHours":15.032566899010813,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:34","end":"17:58","startHours":17.562258029657656,"endHours":17.962258029657654,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:46","end":"18:11","startHours":17.762258029657655,"endHours":18.188772268821225,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:31","end":"19:16","startHours":17.512258029657655,"endHours":19.262258029657655,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:18","end":"00:59","startHours":24.302875768363972,"endHours":24.985298551025682,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:32","end":"08:48","startHours":7.525916289731999,"endHours":8.805459007222705,"quality":"auspicious"},{"name":"Amṛta","start":"08:48","end":"10:05","startHours":8.805459007222705,"endHours":10.085001724713413,"quality":"auspicious"},{"name":"Kāla","start":"10:05","end":"11:22","startHours":10.085001724713413,"endHours":11.36454444220412,"quality":"inauspicious"},{"name":"Śubha","start":"11:22","end":"12:39","startHours":11.36454444220412,"endHours":12.644087159694827,"quality":"auspicious"},{"name":"Roga","start":"12:39","end":"13:55","startHours":12.644087159694827,"endHours":13.923629877185533,"quality":"inauspicious"},{"name":"Udveg","start":"13:55","end":"15:12","startHours":13.923629877185533,"endHours":15.203172594676241,"quality":"inauspicious"},{"name":"Chala","start":"15:12","end":"16:29","startHours":15.203172594676241,"endHours":16.48271531216695,"quality":"neutral"},{"name":"Labha","start":"16:29","end":"17:46","startHours":16.48271531216695,"endHours":17.762258029657655,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:46","end":"19:29","startHours":17.762258029657655,"endHours":19.48271531216695,"quality":"inauspicious"},{"name":"Chala","start":"19:29","end":"21:12","startHours":19.48271531216695,"endHours":21.20317259467624,"quality":"neutral"},{"name":"Labha","start":"21:12","end":"22:55","startHours":21.20317259467624,"endHours":22.923629877185533,"quality":"auspicious"},{"name":"Amṛta","start":"22:55","end":"00:39","startHours":22.923629877185533,"endHours":24.644087159694827,"quality":"auspicious"},{"name":"Kāla","start":"00:39","end":"02:22","startHours":24.644087159694827,"endHours":26.36454444220412,"quality":"inauspicious"},{"name":"Śubha","start":"02:22","end":"04:05","startHours":26.36454444220412,"endHours":28.085001724713415,"quality":"auspicious"},{"name":"Roga","start":"04:05","end":"05:48","startHours":28.085001724713415,"endHours":29.805459007222705,"quality":"inauspicious"},{"name":"Udveg","start":"05:48","end":"07:32","startHours":29.805459007222705,"endHours":31.525916289732,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:32","end":"08:32","startHours":7.525916289731999,"endHours":8.525916289731999,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:32","end":"09:32","startHours":8.525916289731999,"endHours":9.525916289731999,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:32","end":"10:32","startHours":9.525916289731999,"endHours":10.525916289731999,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:32","end":"11:32","startHours":10.525916289731999,"endHours":11.525916289731999,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:32","end":"12:32","startHours":11.525916289731999,"endHours":12.525916289731999,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:32","end":"13:32","startHours":12.525916289731999,"endHours":13.525916289731999,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:32","end":"14:32","startHours":13.525916289731999,"endHours":14.525916289731999,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:32","end":"15:32","startHours":14.525916289731999,"endHours":15.525916289731999,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:32","end":"16:32","startHours":15.525916289731999,"endHours":16.525916289732,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:32","end":"17:32","startHours":16.525916289732,"endHours":17.525916289732,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:32","end":"18:32","startHours":17.525916289732,"endHours":18.525916289732,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:32","end":"19:32","startHours":18.525916289732,"endHours":19.525916289732,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:32","end":"20:32","startHours":19.525916289732,"endHours":20.525916289732,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:32","end":"21:32","startHours":20.525916289732,"endHours":21.525916289732,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:32","end":"22:32","startHours":21.525916289732,"endHours":22.525916289732,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:32","end":"23:32","startHours":22.525916289732,"endHours":23.525916289732,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:32","end":"00:32","startHours":23.525916289732,"endHours":24.525916289732,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:32","end":"01:32","startHours":24.525916289732,"endHours":25.525916289732,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:32","end":"02:32","startHours":25.525916289732,"endHours":26.525916289732,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:32","end":"03:32","startHours":26.525916289732,"endHours":27.525916289732,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:32","end":"04:32","startHours":27.525916289732,"endHours":28.525916289732,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:32","end":"05:32","startHours":28.525916289732,"endHours":29.525916289732,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:32","end":"06:32","startHours":29.525916289732,"endHours":30.525916289732,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:32","end":"07:32","startHours":30.525916289732,"endHours":31.525916289732,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"North-West","rahuVasa":"South-West","anandadiYoga":{"name":"Rākṣasa","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":-20.533318804525692,"eotMinutes":-10.349229581689698,"ayanamsa":24.0912}},"calendars":{"vikram_samvat":2074,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":1939,"saka_samvatsara":"Hemalambī","bengali_samvat":1424,"malayalam_era":1193,"nanakshahi_year":548,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Ṣaṣṭhī · Vikram 2074 Sādhāraṇa · Śaka 1939 Hemalambī"},"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":"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 18, 2017 CE · Phoenix, USA · Vidhyamitra","description":"January 18, 2017 CE for Phoenix, USA: Kṛṣṇa Ṣaṣṭhī, sūryodaya 07:32, sūryāsta 17:46.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2017-01-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2017-01-18","sa":"https://sa.vidhyamitra.com/city/phoenix/2017-01-18","hi":"https://hi.vidhyamitra.com/city/phoenix/2017-01-18","x-default":"https://vidhyamitra.com/city/phoenix/2017-01-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T20:59:15.847Z","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":"2026-05-15T20:59:15.847Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T20:59:15.847Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}