{"id":"vidhyamitra:city-day:phoenix:2091-05-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2091-05-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2091-05-31","date_display":"May 31, 2091 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":2091,"month":5,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484932.770833,"kali_year":5193,"ahargana":1896467.2708,"sun":{"sidereal_longitude":44.4516,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":202.9925,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":158.5409,"elapsed_within_tithi_degrees":2.5409},"nakshatra":{"number":16,"name":"Viśākhā","pada":1,"moon_longitude":202.9925,"elapsed_within_degrees":2.9925},"yoga":{"number":19,"name":"Parigha","sum_longitude":247.4441},"karana":{"half_tithi_index":26,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2091,"month":5,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2484932.770833,"ahargana":1896467.2708,"kali_year":5193,"ayanamsa_lahiri":25.13,"grahas":{"sun":{"sidereal_longitude":44.779852000000005,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":201.36735199999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false,"latitude":4.1402},"mars":{"sidereal_longitude":139.62735199999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":48.23455200000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":265.7091519999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":28.54875199999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":60.598051999999996,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":136.0376,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":316.0376,"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":2091,"month":5,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484932.770833,"kali_year":5193,"ahargana":1896467.2708,"sun":{"sidereal_longitude":44.4516,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":202.9925,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":158.5409,"elapsed_within_tithi_degrees":2.5409},"nakshatra":{"number":16,"name":"Viśākhā","pada":1,"moon_longitude":202.9925,"elapsed_within_degrees":2.9925},"yoga":{"number":19,"name":"Parigha","sum_longitude":247.4441},"karana":{"half_tithi_index":26,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.14,"elongation":158.541},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.14,"opposition_distance":21.459}},"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":"05:20","sunsetLocal":"19:32","solarNoonLocal":"12:26","dayLengthHours":14.206167686833872,"dayLengthDisplay":"14 Hours 12 Mins 22 Secs","nightLengthDisplay":"9 Hours 47 Mins 38 Secs","moonriseLocal":"17:35","moonsetLocal":"04:09","rahuKala":{"name":"Rāhu Kāla","start":"14:12","end":"15:59","startHours":14.205711514885238,"endHours":15.981482475739472,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:20","end":"07:06","startHours":5.326856710614067,"endHours":7.102627671468301,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:53","end":"10:39","startHours":8.878398632322536,"endHours":10.65416959317677,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:38","end":"09:07","startHours":8.641629170875305,"endHours":9.115168093769768,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:55","end":"06:18","startHours":5.918780364232146,"endHours":6.297611502547715,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:54","startHours":11.95640163113654,"endHours":12.903479476925465,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:26","end":"04:23","startHours":3.4327010190362177,"endHours":4.379778864825143,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:09","end":"05:20","startHours":4.143009403377912,"endHours":5.326856710614067,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:48","end":"15:45","startHours":14.797635168503316,"endHours":15.744713014292241,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:20","end":"19:44","startHours":19.33302439744794,"endHours":19.733024397447938,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:32","end":"20:07","startHours":19.53302439744794,"endHours":20.124948051066017,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:17","end":"21:02","startHours":19.28302439744794,"endHours":21.03302439744794,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:54","startHours":23.95640163113654,"endHours":24.903479476925465,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:20","end":"07:06","startHours":5.326856710614067,"endHours":7.102627671468301,"quality":"auspicious"},{"name":"Roga","start":"07:06","end":"08:53","startHours":7.102627671468301,"endHours":8.878398632322536,"quality":"inauspicious"},{"name":"Udveg","start":"08:53","end":"10:39","startHours":8.878398632322536,"endHours":10.65416959317677,"quality":"inauspicious"},{"name":"Chala","start":"10:39","end":"12:26","startHours":10.65416959317677,"endHours":12.429940554031003,"quality":"neutral"},{"name":"Labha","start":"12:26","end":"14:12","startHours":12.429940554031003,"endHours":14.205711514885238,"quality":"auspicious"},{"name":"Amṛta","start":"14:12","end":"15:59","startHours":14.205711514885238,"endHours":15.981482475739472,"quality":"auspicious"},{"name":"Kāla","start":"15:59","end":"17:45","startHours":15.981482475739472,"endHours":17.757253436593704,"quality":"inauspicious"},{"name":"Śubha","start":"17:45","end":"19:32","startHours":17.757253436593704,"endHours":19.53302439744794,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:32","end":"20:45","startHours":19.53302439744794,"endHours":20.757253436593704,"quality":"auspicious"},{"name":"Kāla","start":"20:45","end":"21:59","startHours":20.757253436593704,"endHours":21.98148247573947,"quality":"inauspicious"},{"name":"Śubha","start":"21:59","end":"23:12","startHours":21.98148247573947,"endHours":23.205711514885238,"quality":"auspicious"},{"name":"Roga","start":"23:12","end":"00:26","startHours":23.205711514885238,"endHours":24.429940554031003,"quality":"inauspicious"},{"name":"Udveg","start":"00:26","end":"01:39","startHours":24.429940554031003,"endHours":25.654169593176768,"quality":"inauspicious"},{"name":"Chala","start":"01:39","end":"02:53","startHours":25.654169593176768,"endHours":26.878398632322536,"quality":"neutral"},{"name":"Labha","start":"02:53","end":"04:06","startHours":26.878398632322536,"endHours":28.1026276714683,"quality":"auspicious"},{"name":"Amṛta","start":"04:06","end":"05:20","startHours":28.1026276714683,"endHours":29.326856710614067,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:20","end":"06:20","startHours":5.326856710614067,"endHours":6.326856710614067,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:20","end":"07:20","startHours":6.326856710614067,"endHours":7.326856710614067,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:20","end":"08:20","startHours":7.326856710614067,"endHours":8.326856710614067,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:20","end":"09:20","startHours":8.326856710614067,"endHours":9.326856710614067,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:20","end":"10:20","startHours":9.326856710614067,"endHours":10.326856710614067,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:20","end":"11:20","startHours":10.326856710614067,"endHours":11.326856710614067,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:20","end":"12:20","startHours":11.326856710614067,"endHours":12.326856710614067,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:20","end":"13:20","startHours":12.326856710614067,"endHours":13.326856710614067,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:20","end":"14:20","startHours":13.326856710614067,"endHours":14.326856710614067,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:20","end":"15:20","startHours":14.326856710614067,"endHours":15.326856710614067,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:20","end":"16:20","startHours":15.326856710614067,"endHours":16.326856710614067,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:20","end":"17:20","startHours":16.326856710614067,"endHours":17.326856710614067,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:20","end":"18:20","startHours":17.326856710614067,"endHours":18.326856710614067,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:20","end":"19:20","startHours":18.326856710614067,"endHours":19.326856710614067,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:20","end":"20:20","startHours":19.326856710614067,"endHours":20.326856710614067,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:20","end":"21:20","startHours":20.326856710614067,"endHours":21.326856710614067,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:20","end":"22:20","startHours":21.326856710614067,"endHours":22.326856710614067,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:20","end":"23:20","startHours":22.326856710614067,"endHours":23.326856710614067,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:20","end":"00:20","startHours":23.326856710614067,"endHours":24.326856710614067,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:20","end":"01:20","startHours":24.326856710614067,"endHours":25.326856710614067,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:20","end":"02:20","startHours":25.326856710614067,"endHours":26.326856710614067,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:20","end":"03:20","startHours":26.326856710614067,"endHours":27.326856710614067,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:20","end":"04:20","startHours":27.326856710614067,"endHours":28.326856710614067,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:20","end":"05:20","startHours":28.326856710614067,"endHours":29.326856710614067,"planetary_lord":"Moon"}],"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","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North","rahuVasa":"North-West","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":21.933596017406952,"eotMinutes":2.4995667581397525,"ayanamsa":25.13}},"calendars":{"vikram_samvat":2148,"vikram_samvatsara":"Raktākṣī","saka_samvat":2013,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1498,"malayalam_era":1267,"nanakshahi_year":622,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Jyeṣṭha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Caturdaśī · Vikram 2148 Raktākṣī · Śaka 2013 Virodhakṛt"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","relevance":0.5}]},"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 31, 2091 CE · Phoenix, USA · Vidhyamitra","description":"May 31, 2091 CE for Phoenix, USA: Śukla Caturdaśī, sūryodaya 05:20, sūryāsta 19:32.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2091-05-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2091-05-31","sa":"https://sa.vidhyamitra.com/city/phoenix/2091-05-31","hi":"https://hi.vidhyamitra.com/city/phoenix/2091-05-31","x-default":"https://vidhyamitra.com/city/phoenix/2091-05-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T05:44:04.182Z","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":"2026-06-01T05:44:04.182Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T05:44:04.182Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}