{"id":"vidhyamitra:city-day:phoenix:2027-05-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2027-05-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2027-05-17","date_display":"May 17, 2027 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":2027,"month":5,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461542.770833,"kali_year":5129,"ahargana":1873077.2708,"sun":{"sidereal_longitude":31.6174,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":170.7186,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":139.1012,"elapsed_within_tithi_degrees":7.1012},"nakshatra":{"number":13,"name":"Hasta","pada":4,"moon_longitude":170.7186,"elapsed_within_degrees":10.7186},"yoga":{"number":16,"name":"Siddhi","sum_longitude":202.3359},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2027,"month":5,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461542.770833,"ahargana":1873077.2708,"kali_year":5129,"ayanamsa_lahiri":24.2354,"grahas":{"sun":{"sidereal_longitude":31.707422000000008,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":170.60822200000007,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false,"latitude":-3.7014},"mars":{"sidereal_longitude":126.31312200000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":50.165422000000035,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":114.25032199999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":8.03652199999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":358.263122,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":295.3523,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":115.3523,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":2027,"month":5,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461542.770833,"kali_year":5129,"ahargana":1873077.2708,"sun":{"sidereal_longitude":31.6174,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":170.7186,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":139.1012,"elapsed_within_tithi_degrees":7.1012},"nakshatra":{"number":13,"name":"Hasta","pada":4,"moon_longitude":170.7186,"elapsed_within_degrees":10.7186},"yoga":{"number":16,"name":"Siddhi","sum_longitude":202.3359},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.701,"elongation":139.101},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.701,"opposition_distance":40.899}},"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":"05:27","sunsetLocal":"19:22","solarNoonLocal":"12:25","dayLengthHours":13.922475834082322,"dayLengthDisplay":"13 Hours 55 Mins 21 Secs","nightLengthDisplay":"10 Hours 04 Mins 39 Secs","moonriseLocal":"15:53","moonsetLocal":"03:27","rahuKala":{"name":"Rāhu Kāla","start":"07:11","end":"08:56","startHours":7.188656902318909,"endHours":8.9289663815792,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:40","end":"12:25","startHours":10.669275860839491,"endHours":12.409585340099781,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:09","end":"15:53","startHours":14.149894819360071,"endHours":15.890204298620361,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:42","end":"09:10","startHours":8.696925117677829,"endHours":9.161007645480572,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:02","end":"06:24","startHours":6.02845058281205,"endHours":6.399716605054245,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:52","startHours":11.945502812297036,"endHours":12.873667867902526,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:36","end":"04:31","startHours":3.592017311847643,"endHours":4.520182367453131,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:17","end":"05:27","startHours":4.288141103551759,"endHours":5.448347423058619,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:44","end":"15:39","startHours":14.7299979791135,"endHours":15.658163034718989,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:10","end":"19:34","startHours":19.170823257140942,"endHours":19.57082325714094,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:22","end":"19:57","startHours":19.37082325714094,"endHours":19.950926416894372,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:07","end":"20:52","startHours":19.12082325714094,"endHours":20.87082325714094,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:52","startHours":23.945502812297036,"endHours":24.873667867902526,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:27","end":"07:11","startHours":5.448347423058619,"endHours":7.188656902318909,"quality":"auspicious"},{"name":"Kāla","start":"07:11","end":"08:56","startHours":7.188656902318909,"endHours":8.9289663815792,"quality":"inauspicious"},{"name":"Śubha","start":"08:56","end":"10:40","startHours":8.9289663815792,"endHours":10.669275860839491,"quality":"auspicious"},{"name":"Roga","start":"10:40","end":"12:25","startHours":10.669275860839491,"endHours":12.409585340099781,"quality":"inauspicious"},{"name":"Udveg","start":"12:25","end":"14:09","startHours":12.409585340099781,"endHours":14.149894819360071,"quality":"inauspicious"},{"name":"Chala","start":"14:09","end":"15:53","startHours":14.149894819360071,"endHours":15.890204298620361,"quality":"neutral"},{"name":"Labha","start":"15:53","end":"17:38","startHours":15.890204298620361,"endHours":17.63051377788065,"quality":"auspicious"},{"name":"Amṛta","start":"17:38","end":"19:22","startHours":17.63051377788065,"endHours":19.37082325714094,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"19:22","end":"20:38","startHours":19.37082325714094,"endHours":20.63051377788065,"quality":"neutral"},{"name":"Labha","start":"20:38","end":"21:53","startHours":20.63051377788065,"endHours":21.89020429862036,"quality":"auspicious"},{"name":"Amṛta","start":"21:53","end":"23:09","startHours":21.89020429862036,"endHours":23.14989481936007,"quality":"auspicious"},{"name":"Kāla","start":"23:09","end":"00:25","startHours":23.14989481936007,"endHours":24.40958534009978,"quality":"inauspicious"},{"name":"Śubha","start":"00:25","end":"01:40","startHours":24.40958534009978,"endHours":25.66927586083949,"quality":"auspicious"},{"name":"Roga","start":"01:40","end":"02:56","startHours":25.66927586083949,"endHours":26.9289663815792,"quality":"inauspicious"},{"name":"Udveg","start":"02:56","end":"04:11","startHours":26.9289663815792,"endHours":28.18865690231891,"quality":"inauspicious"},{"name":"Chala","start":"04:11","end":"05:27","startHours":28.18865690231891,"endHours":29.44834742305862,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:27","end":"06:27","startHours":5.448347423058619,"endHours":6.448347423058619,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:27","end":"07:27","startHours":6.448347423058619,"endHours":7.448347423058619,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:27","end":"08:27","startHours":7.448347423058619,"endHours":8.44834742305862,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:27","end":"09:27","startHours":8.44834742305862,"endHours":9.44834742305862,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:27","end":"10:27","startHours":9.44834742305862,"endHours":10.44834742305862,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:27","end":"11:27","startHours":10.44834742305862,"endHours":11.44834742305862,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:27","end":"12:27","startHours":11.44834742305862,"endHours":12.44834742305862,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:27","end":"13:27","startHours":12.44834742305862,"endHours":13.44834742305862,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:27","end":"14:27","startHours":13.44834742305862,"endHours":14.44834742305862,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:27","end":"15:27","startHours":14.44834742305862,"endHours":15.44834742305862,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:27","end":"16:27","startHours":15.44834742305862,"endHours":16.44834742305862,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:27","end":"17:27","startHours":16.44834742305862,"endHours":17.44834742305862,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:27","end":"18:27","startHours":17.44834742305862,"endHours":18.44834742305862,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:27","end":"19:27","startHours":18.44834742305862,"endHours":19.44834742305862,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:27","end":"20:27","startHours":19.44834742305862,"endHours":20.44834742305862,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:27","end":"21:27","startHours":20.44834742305862,"endHours":21.44834742305862,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:27","end":"22:27","startHours":21.44834742305862,"endHours":22.44834742305862,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:27","end":"23:27","startHours":22.44834742305862,"endHours":23.44834742305862,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:27","end":"00:27","startHours":23.44834742305862,"endHours":24.44834742305862,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:27","end":"01:27","startHours":24.44834742305862,"endHours":25.44834742305862,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:27","end":"02:27","startHours":25.44834742305862,"endHours":26.44834742305862,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:27","end":"03:27","startHours":26.44834742305862,"endHours":27.44834742305862,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:27","end":"04:27","startHours":27.44834742305862,"endHours":28.44834742305862,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:27","end":"05:27","startHours":28.44834742305862,"endHours":29.44834742305862,"planetary_lord":"Venus"}],"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":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"drikRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":19.23922155425965,"eotMinutes":3.7208795940131294,"ayanamsa":24.2354}},"calendars":{"vikram_samvat":2084,"vikram_samvatsara":"Raudra","saka_samvat":1949,"saka_samvatsara":"Plavaṅga","bengali_samvat":1434,"malayalam_era":1203,"nanakshahi_year":558,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Śukla Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Dvādaśī · Vikram 2084 Raudra · Śaka 1949 Plavaṅga"},"festivals":[{"id":"vrishabha-sankranti","name":"Vṛṣabha Saṅkrānti","name_sanskrit":"वृषभ सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Taurus.","vrata":false,"detection":{"sun_rashi":"Vṛṣabha"},"precedence":5}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 May 17, 2027 CE · Phoenix, USA · Vidhyamitra","description":"May 17, 2027 CE for Phoenix, USA: Śukla Dvādaśī, sūryodaya 05:27, sūryāsta 19:22.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2027-05-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2027-05-17","sa":"https://sa.vidhyamitra.com/city/phoenix/2027-05-17","hi":"https://hi.vidhyamitra.com/city/phoenix/2027-05-17","x-default":"https://vidhyamitra.com/city/phoenix/2027-05-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T16:36:57.008Z","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":"2026-05-14T16:36:57.008Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T16:36:57.008Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}