{"id":"vidhyamitra:city-day:phoenix:1941-05-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1941-05-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1941-05-01","date_display":"May 1, 1941 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":1941,"month":5,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2430115.770833,"kali_year":5043,"ahargana":1841650.2708,"sun":{"sidereal_longitude":17.4391,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":70.3393,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":52.9002,"elapsed_within_tithi_degrees":4.9002},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":70.3393,"elapsed_within_degrees":3.6726},"yoga":{"number":7,"name":"Sukarma","sum_longitude":87.7784},"karana":{"half_tithi_index":8,"name":"Bava"},"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":1941,"month":5,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2430115.770833,"ahargana":1841650.2708,"kali_year":5043,"ayanamsa_lahiri":23.0334,"grahas":{"sun":{"sidereal_longitude":17.243964000000005,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":66.46756400000004,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false,"latitude":-4.5},"mars":{"sidereal_longitude":297.4718640000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":11.895963999999992,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":31.648663999999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":21.15766400000001,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":24.332464000000016,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":160.506,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":340.506,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","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":1941,"month":5,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2430115.770833,"kali_year":5043,"ahargana":1841650.2708,"sun":{"sidereal_longitude":17.4391,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":70.3393,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":52.9002,"elapsed_within_tithi_degrees":4.9002},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":70.3393,"elapsed_within_degrees":3.6726},"yoga":{"number":7,"name":"Sukarma","sum_longitude":87.7784},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.5,"elongation":52.9},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.5,"opposition_distance":127.1}},"eclipse_window_40days":[{"offset_days":-19,"type":"lunar","occurs":true,"moon_latitude":1.464,"opposition_distance":1.526}]},"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":"05:41","sunsetLocal":"19:10","solarNoonLocal":"12:25","dayLengthHours":13.489929430795632,"dayLengthDisplay":"13 Hours 29 Mins 24 Secs","nightLengthDisplay":"10 Hours 30 Mins 36 Secs","moonriseLocal":"08:33","moonsetLocal":"22:52","rahuKala":{"name":"Rāhu Kāla","start":"14:07","end":"15:48","startHours":14.109207723366675,"endHours":15.795448902216128,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:41","end":"07:22","startHours":5.678001829119404,"endHours":7.364243007968859,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:03","end":"10:44","startHours":9.050484186818313,"endHours":10.736725365667766,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:50","end":"09:17","startHours":8.825652029638384,"endHours":9.27531634399824,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:14","end":"06:36","startHours":6.240082222069223,"endHours":6.599813673557106,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:52","startHours":11.973302230157365,"endHours":12.872630858877073,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:53","end":"04:47","startHours":3.8793445716799866,"endHours":4.7786732003996955,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:33","end":"05:41","startHours":4.5538410432197685,"endHours":5.678001829119404,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:40","end":"15:34","startHours":14.671288116316491,"endHours":15.5706167450362,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:58","end":"19:22","startHours":18.967931259915037,"endHours":19.367931259915036,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:10","end":"19:44","startHours":19.167931259915036,"endHours":19.730011652864853,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:55","end":"20:40","startHours":18.917931259915036,"endHours":20.667931259915036,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:52","startHours":23.973302230157365,"endHours":24.872630858877073,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:41","end":"07:22","startHours":5.678001829119404,"endHours":7.364243007968859,"quality":"auspicious"},{"name":"Roga","start":"07:22","end":"09:03","startHours":7.364243007968859,"endHours":9.050484186818313,"quality":"inauspicious"},{"name":"Udveg","start":"09:03","end":"10:44","startHours":9.050484186818313,"endHours":10.736725365667766,"quality":"inauspicious"},{"name":"Chala","start":"10:44","end":"12:25","startHours":10.736725365667766,"endHours":12.42296654451722,"quality":"neutral"},{"name":"Labha","start":"12:25","end":"14:07","startHours":12.42296654451722,"endHours":14.109207723366675,"quality":"auspicious"},{"name":"Amṛta","start":"14:07","end":"15:48","startHours":14.109207723366675,"endHours":15.795448902216128,"quality":"auspicious"},{"name":"Kāla","start":"15:48","end":"17:29","startHours":15.795448902216128,"endHours":17.481690081065583,"quality":"inauspicious"},{"name":"Śubha","start":"17:29","end":"19:10","startHours":17.481690081065583,"endHours":19.167931259915036,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:10","end":"20:29","startHours":19.167931259915036,"endHours":20.481690081065583,"quality":"auspicious"},{"name":"Kāla","start":"20:29","end":"21:48","startHours":20.481690081065583,"endHours":21.79544890221613,"quality":"inauspicious"},{"name":"Śubha","start":"21:48","end":"23:07","startHours":21.79544890221613,"endHours":23.109207723366673,"quality":"auspicious"},{"name":"Roga","start":"23:07","end":"00:25","startHours":23.109207723366673,"endHours":24.42296654451722,"quality":"inauspicious"},{"name":"Udveg","start":"00:25","end":"01:44","startHours":24.42296654451722,"endHours":25.736725365667766,"quality":"inauspicious"},{"name":"Chala","start":"01:44","end":"03:03","startHours":25.736725365667766,"endHours":27.050484186818313,"quality":"neutral"},{"name":"Labha","start":"03:03","end":"04:22","startHours":27.050484186818313,"endHours":28.36424300796886,"quality":"auspicious"},{"name":"Amṛta","start":"04:22","end":"05:41","startHours":28.36424300796886,"endHours":29.678001829119403,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:41","end":"06:41","startHours":5.678001829119404,"endHours":6.678001829119404,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:41","end":"07:41","startHours":6.678001829119404,"endHours":7.678001829119404,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:41","end":"08:41","startHours":7.678001829119404,"endHours":8.678001829119404,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:41","end":"09:41","startHours":8.678001829119404,"endHours":9.678001829119404,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:41","end":"10:41","startHours":9.678001829119404,"endHours":10.678001829119404,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:41","end":"11:41","startHours":10.678001829119404,"endHours":11.678001829119404,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:41","end":"12:41","startHours":11.678001829119404,"endHours":12.678001829119404,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:41","end":"13:41","startHours":12.678001829119404,"endHours":13.678001829119404,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:41","end":"14:41","startHours":13.678001829119404,"endHours":14.678001829119404,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:41","end":"15:41","startHours":14.678001829119404,"endHours":15.678001829119404,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:41","end":"16:41","startHours":15.678001829119404,"endHours":16.678001829119403,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:41","end":"17:41","startHours":16.678001829119403,"endHours":17.678001829119403,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:41","end":"18:41","startHours":17.678001829119403,"endHours":18.678001829119403,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:41","end":"19:41","startHours":18.678001829119403,"endHours":19.678001829119403,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:41","end":"20:41","startHours":19.678001829119403,"endHours":20.678001829119403,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:41","end":"21:41","startHours":20.678001829119403,"endHours":21.678001829119403,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:41","end":"22:41","startHours":21.678001829119403,"endHours":22.678001829119403,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:41","end":"23:41","startHours":22.678001829119403,"endHours":23.678001829119403,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:41","end":"00:41","startHours":23.678001829119403,"endHours":24.678001829119403,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:41","end":"01:41","startHours":24.678001829119403,"endHours":25.678001829119403,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:41","end":"02:41","startHours":25.678001829119403,"endHours":26.678001829119403,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:41","end":"03:41","startHours":26.678001829119403,"endHours":27.678001829119403,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:41","end":"04:41","startHours":27.678001829119403,"endHours":28.678001829119403,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:41","end":"05:41","startHours":28.678001829119403,"endHours":29.678001829119403,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":14.899800614967875,"eotMinutes":2.918007328966811,"ayanamsa":23.0334}},"calendars":{"vikram_samvat":1998,"vikram_samvatsara":"Jaya","saka_samvat":1863,"saka_samvatsara":"Vṛṣa","bengali_samvat":1348,"malayalam_era":1117,"nanakshahi_year":472,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Pañcamī · Vikram 1998 Jaya · Śaka 1863 Vṛṣa"},"festivals":[{"id":"shankara-jayanti","name":"Ādi Śaṅkarācārya Jayantī","name_sanskrit":"आदि शङ्कराचार्य जयन्ती","tradition":"Smarta","associated_deity":"Ādi Śaṅkarācārya","significance":"Birth of Ādi Śaṅkara at Kāladī, Kerala; Advaita-pratiṣṭhāpaka.","vrata":false,"detection":{"tithi_number":5,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":3}],"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":[]},"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 1, 1941 CE · Phoenix, USA · Vidhyamitra","description":"May 1, 1941 CE for Phoenix, USA: Śukla Pañcamī, sūryodaya 05:41, sūryāsta 19:10.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1941-05-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1941-05-01","sa":"https://sa.vidhyamitra.com/city/phoenix/1941-05-01","hi":"https://hi.vidhyamitra.com/city/phoenix/1941-05-01","x-default":"https://vidhyamitra.com/city/phoenix/1941-05-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T08:51:45.710Z","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":"2026-05-31T08:51:45.710Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T08:51:45.710Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}