{"id":"vidhyamitra:city-day:phoenix:2022-05-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2022-05-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2022-05-13","date_display":"May 13, 2022 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":2022,"month":5,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459712.770833,"kali_year":5124,"ahargana":1871247.2708,"sun":{"sidereal_longitude":28.0644,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":166.9517,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":138.8873,"elapsed_within_tithi_degrees":6.8873},"nakshatra":{"number":13,"name":"Hasta","pada":3,"moon_longitude":166.9517,"elapsed_within_degrees":6.9517},"yoga":{"number":15,"name":"Vajra","sum_longitude":195.0161},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2022,"month":5,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2459712.770833,"ahargana":1871247.2708,"kali_year":5124,"ayanamsa_lahiri":24.1654,"grahas":{"sun":{"sidereal_longitude":28.12014099999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":166.27114099999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false,"latitude":3.2004},"mars":{"sidereal_longitude":326.563541,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":40.316340999999966,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":336.224641,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":347.442041,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":300.71584099999995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":32.3145,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":212.3145,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"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":2022,"month":5,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459712.770833,"kali_year":5124,"ahargana":1871247.2708,"sun":{"sidereal_longitude":28.0644,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":166.9517,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":138.8873,"elapsed_within_tithi_degrees":6.8873},"nakshatra":{"number":13,"name":"Hasta","pada":3,"moon_longitude":166.9517,"elapsed_within_degrees":6.9517},"yoga":{"number":15,"name":"Vajra","sum_longitude":195.0161},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.2,"elongation":138.887},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.2,"opposition_distance":41.113}},"eclipse_window_40days":[{"offset_days":3,"type":"lunar","occurs":true,"moon_latitude":0.329,"opposition_distance":2.986}]},"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":"05:30","sunsetLocal":"19:19","solarNoonLocal":"12:25","dayLengthHours":13.830463137298969,"dayLengthDisplay":"13 Hours 49 Mins 50 Secs","nightLengthDisplay":"10 Hours 10 Mins 10 Secs","moonriseLocal":"15:45","moonsetLocal":"03:29","rahuKala":{"name":"Rāhu Kāla","start":"10:41","end":"12:25","startHours":10.680234795445022,"endHours":12.409042687607393,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:52","end":"17:36","startHours":15.866658471932135,"endHours":17.595466364094506,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:13","end":"08:57","startHours":7.222619011120281,"endHours":8.951426903282652,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:43","end":"09:11","startHours":8.720919184327668,"endHours":9.181934622237634,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:04","end":"06:26","startHours":6.070080416345366,"endHours":6.438892766673339,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:52","startHours":11.948027249697427,"endHours":12.870058125517359,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:39","end":"04:34","startHours":3.649749367318047,"endHours":4.571780243137978,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:20","end":"05:30","startHours":4.341272524182996,"endHours":5.493811118957909,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:43","end":"15:38","startHours":14.714119877157222,"endHours":15.636150752977153,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:07","end":"19:31","startHours":19.12427425625688,"endHours":19.524274256256877,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:19","end":"19:54","startHours":19.324274256256878,"endHours":19.900543553644336,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:04","end":"20:49","startHours":19.074274256256878,"endHours":20.824274256256878,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:52","startHours":23.94802724969743,"endHours":24.870058125517357,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:30","end":"07:13","startHours":5.493811118957909,"endHours":7.222619011120281,"quality":"neutral"},{"name":"Labha","start":"07:13","end":"08:57","startHours":7.222619011120281,"endHours":8.951426903282652,"quality":"auspicious"},{"name":"Amṛta","start":"08:57","end":"10:41","startHours":8.951426903282652,"endHours":10.680234795445022,"quality":"auspicious"},{"name":"Kāla","start":"10:41","end":"12:25","startHours":10.680234795445022,"endHours":12.409042687607393,"quality":"inauspicious"},{"name":"Śubha","start":"12:25","end":"14:08","startHours":12.409042687607393,"endHours":14.137850579769765,"quality":"auspicious"},{"name":"Roga","start":"14:08","end":"15:52","startHours":14.137850579769765,"endHours":15.866658471932135,"quality":"inauspicious"},{"name":"Udveg","start":"15:52","end":"17:36","startHours":15.866658471932135,"endHours":17.595466364094506,"quality":"inauspicious"},{"name":"Chala","start":"17:36","end":"19:19","startHours":17.595466364094506,"endHours":19.324274256256878,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:19","end":"20:36","startHours":19.324274256256878,"endHours":20.595466364094506,"quality":"inauspicious"},{"name":"Udveg","start":"20:36","end":"21:52","startHours":20.595466364094506,"endHours":21.866658471932137,"quality":"inauspicious"},{"name":"Chala","start":"21:52","end":"23:08","startHours":21.866658471932137,"endHours":23.137850579769765,"quality":"neutral"},{"name":"Labha","start":"23:08","end":"00:25","startHours":23.137850579769765,"endHours":24.409042687607393,"quality":"auspicious"},{"name":"Amṛta","start":"00:25","end":"01:41","startHours":24.409042687607393,"endHours":25.680234795445024,"quality":"auspicious"},{"name":"Kāla","start":"01:41","end":"02:57","startHours":25.680234795445024,"endHours":26.951426903282652,"quality":"inauspicious"},{"name":"Śubha","start":"02:57","end":"04:13","startHours":26.951426903282652,"endHours":28.22261901112028,"quality":"auspicious"},{"name":"Roga","start":"04:13","end":"05:30","startHours":28.22261901112028,"endHours":29.493811118957908,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:30","end":"06:30","startHours":5.493811118957909,"endHours":6.493811118957909,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:30","end":"07:30","startHours":6.493811118957909,"endHours":7.493811118957909,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:30","end":"08:30","startHours":7.493811118957909,"endHours":8.49381111895791,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:30","end":"09:30","startHours":8.49381111895791,"endHours":9.49381111895791,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:30","end":"10:30","startHours":9.49381111895791,"endHours":10.49381111895791,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:30","end":"11:30","startHours":10.49381111895791,"endHours":11.49381111895791,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:30","end":"12:30","startHours":11.49381111895791,"endHours":12.49381111895791,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:30","end":"13:30","startHours":12.49381111895791,"endHours":13.49381111895791,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:30","end":"14:30","startHours":13.49381111895791,"endHours":14.49381111895791,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:30","end":"15:30","startHours":14.49381111895791,"endHours":15.49381111895791,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:30","end":"16:30","startHours":15.49381111895791,"endHours":16.493811118957908,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:30","end":"17:30","startHours":16.493811118957908,"endHours":17.493811118957908,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:30","end":"18:30","startHours":17.493811118957908,"endHours":18.493811118957908,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:30","end":"19:30","startHours":18.493811118957908,"endHours":19.493811118957908,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:30","end":"20:30","startHours":19.493811118957908,"endHours":20.493811118957908,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:30","end":"21:30","startHours":20.493811118957908,"endHours":21.493811118957908,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:30","end":"22:30","startHours":21.493811118957908,"endHours":22.493811118957908,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:30","end":"23:30","startHours":22.493811118957908,"endHours":23.493811118957908,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:30","end":"00:30","startHours":23.493811118957908,"endHours":24.493811118957908,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:30","end":"01:30","startHours":24.493811118957908,"endHours":25.493811118957908,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:30","end":"02:30","startHours":25.493811118957908,"endHours":26.493811118957908,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:30","end":"03:30","startHours":26.493811118957908,"endHours":27.493811118957908,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:30","end":"04:30","startHours":27.493811118957908,"endHours":28.493811118957908,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:30","end":"05:30","startHours":28.493811118957908,"endHours":29.493811118957908,"planetary_lord":"Mars"}],"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":"West (Paścim)","chandraVasa":"North-West","rahuVasa":"South-East","anandadiYoga":{"name":"Saumya","quality":"Auspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":18.33871371336857,"eotMinutes":3.7534387435564067,"ayanamsa":24.1654}},"calendars":{"vikram_samvat":2079,"vikram_samvatsara":"Rākṣasa","saka_samvat":1944,"saka_samvatsara":"Śubhakṛt","bengali_samvat":1429,"malayalam_era":1198,"nanakshahi_year":553,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Dvādaśī · Vikram 2079 Rākṣasa · Śaka 1944 Śubhakṛt"},"festivals":[{"id":"mesha-sankranti","name":"Meṣa Saṅkrānti (Vaiśākhī / Vishu / Pohelā Boishākh / Bihu)","name_sanskrit":"मेष सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aries; solar new year. Regional: Vaiśākhī (Punjab) · Vishu (Kerala) · Pohelā Boishākh (Bengal) · Bihu (Assam) · Tamil Puthāṇḍu.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":1},{"id":"baisakhi","name":"Baisakhi (Vaiśākhī)","name_sanskrit":"वैशाखी","tradition":"Regional","associated_deity":"Sūrya + Khalsa Pantha (Sikh)","significance":"Punjab New Year + Sikh Khalsa founding day.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":2}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 13, 2022 CE · Phoenix, USA · Vidhyamitra","description":"May 13, 2022 CE for Phoenix, USA: Śukla Dvādaśī, sūryodaya 05:30, sūryāsta 19:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2022-05-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2022-05-13","sa":"https://sa.vidhyamitra.com/city/phoenix/2022-05-13","hi":"https://hi.vidhyamitra.com/city/phoenix/2022-05-13","x-default":"https://vidhyamitra.com/city/phoenix/2022-05-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T19:55:18.015Z","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":"2026-05-14T19:55:18.015Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T19:55:18.015Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}