{"id":"vidhyamitra:city-day:phoenix:2015-01-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2015-01-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2015-01-17","date_display":"January 17, 2015 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":2015,"month":1,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457039.770833,"kali_year":5116,"ahargana":1868574.2708,"sun":{"sidereal_longitude":272.3906,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":226.6172,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":314.2266,"elapsed_within_tithi_degrees":2.2266},"nakshatra":{"number":17,"name":"Anurādhā","pada":4,"moon_longitude":226.6172,"elapsed_within_degrees":13.2839},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":139.0078},"karana":{"half_tithi_index":52,"name":"Kaulava"},"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":2015,"month":1,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457039.770833,"ahargana":1868574.2708,"kali_year":5116,"ayanamsa_lahiri":24.0632,"grahas":{"sun":{"sidereal_longitude":272.52467,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":225.48676999999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false,"latitude":3.5771},"mars":{"sidereal_longitude":309.29277,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":291.00837,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":115.40057000000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":292.53297,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":218.05566999999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":173.9429,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":353.9429,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","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":2015,"month":1,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457039.770833,"kali_year":5116,"ahargana":1868574.2708,"sun":{"sidereal_longitude":272.3906,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":226.6172,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":314.2266,"elapsed_within_tithi_degrees":2.2266},"nakshatra":{"number":17,"name":"Anurādhā","pada":4,"moon_longitude":226.6172,"elapsed_within_degrees":13.2839},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":139.0078},"karana":{"half_tithi_index":52,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.577,"elongation":45.773},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.577,"opposition_distance":134.227}},"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":"17:44","solarNoonLocal":"12:38","dayLengthHours":10.2054689200028,"dayLengthDisplay":"10 Hours 12 Mins 20 Secs","nightLengthDisplay":"13 Hours 47 Mins 40 Secs","moonriseLocal":"04:29","moonsetLocal":"14:32","rahuKala":{"name":"Rāhu Kāla","start":"10:05","end":"11:22","startHours":10.087334249101108,"endHours":11.363017864101458,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:55","end":"15:11","startHours":13.914385094102158,"endHours":15.190068709102508,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:32","end":"08:49","startHours":7.535967019100407,"endHours":8.811650634100758,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:55","end":"10:15","startHours":9.917243100434394,"endHours":10.25742539776782,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:58","end":"08:14","startHours":7.961194890767191,"endHours":8.233340728633932,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:18","end":"12:59","startHours":12.298519181768382,"endHours":12.978883776435234,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:11","end":"06:51","startHours":6.1752378297667,"endHours":6.855602424433553,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:41","end":"07:32","startHours":6.6855112757668405,"endHours":7.535967019100407,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:20","end":"15:01","startHours":14.339612965768941,"endHours":15.019977560435795,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:32","end":"17:56","startHours":17.54143593910321,"endHours":17.941435939103208,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:44","end":"18:10","startHours":17.74143593910321,"endHours":18.166663810769993,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:29","end":"19:14","startHours":17.49143593910321,"endHours":19.24143593910321,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:18","end":"00:59","startHours":24.29851918176838,"endHours":24.978883776435236,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:32","end":"08:49","startHours":7.535967019100407,"endHours":8.811650634100758,"quality":"inauspicious"},{"name":"Śubha","start":"08:49","end":"10:05","startHours":8.811650634100758,"endHours":10.087334249101108,"quality":"auspicious"},{"name":"Roga","start":"10:05","end":"11:22","startHours":10.087334249101108,"endHours":11.363017864101458,"quality":"inauspicious"},{"name":"Udveg","start":"11:22","end":"12:38","startHours":11.363017864101458,"endHours":12.638701479101808,"quality":"inauspicious"},{"name":"Chala","start":"12:38","end":"13:55","startHours":12.638701479101808,"endHours":13.914385094102158,"quality":"neutral"},{"name":"Labha","start":"13:55","end":"15:11","startHours":13.914385094102158,"endHours":15.190068709102508,"quality":"auspicious"},{"name":"Amṛta","start":"15:11","end":"16:28","startHours":15.190068709102508,"endHours":16.46575232410286,"quality":"auspicious"},{"name":"Kāla","start":"16:28","end":"17:44","startHours":16.46575232410286,"endHours":17.74143593910321,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:44","end":"19:28","startHours":17.74143593910321,"endHours":19.46575232410286,"quality":"auspicious"},{"name":"Amṛta","start":"19:28","end":"21:11","startHours":19.46575232410286,"endHours":21.19006870910251,"quality":"auspicious"},{"name":"Kāla","start":"21:11","end":"22:55","startHours":21.19006870910251,"endHours":22.91438509410216,"quality":"inauspicious"},{"name":"Śubha","start":"22:55","end":"00:38","startHours":22.91438509410216,"endHours":24.638701479101808,"quality":"auspicious"},{"name":"Roga","start":"00:38","end":"02:22","startHours":24.638701479101808,"endHours":26.363017864101458,"quality":"inauspicious"},{"name":"Udveg","start":"02:22","end":"04:05","startHours":26.363017864101458,"endHours":28.087334249101108,"quality":"inauspicious"},{"name":"Chala","start":"04:05","end":"05:49","startHours":28.087334249101108,"endHours":29.811650634100758,"quality":"neutral"},{"name":"Labha","start":"05:49","end":"07:32","startHours":29.811650634100758,"endHours":31.535967019100408,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:32","end":"08:32","startHours":7.535967019100407,"endHours":8.535967019100408,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:32","end":"09:32","startHours":8.535967019100408,"endHours":9.535967019100408,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:32","end":"10:32","startHours":9.535967019100408,"endHours":10.535967019100408,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:32","end":"11:32","startHours":10.535967019100408,"endHours":11.535967019100408,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:32","end":"12:32","startHours":11.535967019100408,"endHours":12.535967019100408,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:32","end":"13:32","startHours":12.535967019100408,"endHours":13.535967019100408,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:32","end":"14:32","startHours":13.535967019100408,"endHours":14.535967019100408,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:32","end":"15:32","startHours":14.535967019100408,"endHours":15.535967019100408,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:32","end":"16:32","startHours":15.535967019100408,"endHours":16.535967019100408,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:32","end":"17:32","startHours":16.535967019100408,"endHours":17.535967019100408,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:32","end":"18:32","startHours":17.535967019100408,"endHours":18.535967019100408,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:32","end":"19:32","startHours":18.535967019100408,"endHours":19.535967019100408,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:32","end":"20:32","startHours":19.535967019100408,"endHours":20.535967019100408,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:32","end":"21:32","startHours":20.535967019100408,"endHours":21.535967019100408,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:32","end":"22:32","startHours":21.535967019100408,"endHours":22.535967019100408,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:32","end":"23:32","startHours":22.535967019100408,"endHours":23.535967019100408,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:32","end":"00:32","startHours":23.535967019100408,"endHours":24.535967019100408,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:32","end":"01:32","startHours":24.535967019100408,"endHours":25.535967019100408,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:32","end":"02:32","startHours":25.535967019100408,"endHours":26.535967019100408,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:32","end":"03:32","startHours":26.535967019100408,"endHours":27.535967019100408,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:32","end":"04:32","startHours":27.535967019100408,"endHours":28.535967019100408,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:32","end":"05:32","startHours":28.535967019100408,"endHours":29.535967019100408,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:32","end":"06:32","startHours":29.535967019100408,"endHours":30.535967019100408,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:32","end":"07:32","startHours":30.535967019100408,"endHours":31.535967019100408,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-East","rahuVasa":"East","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"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":-20.834626746627567,"eotMinutes":-10.026088746108654,"ayanamsa":24.0632}},"calendars":{"vikram_samvat":2072,"vikram_samvatsara":"Kīlaka","saka_samvat":1937,"saka_samvatsara":"Manmatha","bengali_samvat":1422,"malayalam_era":1191,"nanakshahi_year":546,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Dvādaśī · Vikram 2072 Kīlaka · Śaka 1937 Manmatha"},"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 17, 2015 CE · Phoenix, USA · Vidhyamitra","description":"January 17, 2015 CE for Phoenix, USA: Kṛṣṇa Dvādaśī, sūryodaya 07:32, sūryāsta 17:44.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2015-01-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2015-01-17","sa":"https://sa.vidhyamitra.com/city/phoenix/2015-01-17","hi":"https://hi.vidhyamitra.com/city/phoenix/2015-01-17","x-default":"https://vidhyamitra.com/city/phoenix/2015-01-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T15:31:11.807Z","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":"2026-05-15T15:31:11.807Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T15:31:11.807Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}