{"id":"vidhyamitra:city-day:phoenix:1913-05-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1913-05-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1913-05-01","date_display":"May 1, 1913 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":1913,"month":5,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2419888.770833,"kali_year":5015,"ahargana":1831423.2708,"sun":{"sidereal_longitude":17.6758,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":316.4612,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":298.7854,"elapsed_within_tithi_degrees":10.7854},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3,"moon_longitude":316.4612,"elapsed_within_degrees":9.7945},"yoga":{"number":26,"name":"Indra","sum_longitude":334.137},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"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":1913,"month":5,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2419888.770833,"ahargana":1831423.2708,"kali_year":5015,"ayanamsa_lahiri":22.6423,"grahas":{"sun":{"sidereal_longitude":17.416011000000026,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":317.7754110000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false,"latitude":-1.9654},"mars":{"sidereal_longitude":333.1495110000001,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":352.260711,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":266.396711,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":9.271311000000026,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":42.05511100000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":342.3817,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":162.3817,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"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":1913,"month":5,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2419888.770833,"kali_year":5015,"ahargana":1831423.2708,"sun":{"sidereal_longitude":17.6758,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":316.4612,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":298.7854,"elapsed_within_tithi_degrees":10.7854},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3,"moon_longitude":316.4612,"elapsed_within_degrees":9.7945},"yoga":{"number":26,"name":"Indra","sum_longitude":334.137},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.965,"elongation":61.215},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.965,"opposition_distance":118.785}},"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":"05:41","sunsetLocal":"19:10","solarNoonLocal":"12:25","dayLengthHours":13.483265183617604,"dayLengthDisplay":"13 Hours 29 Mins 00 Secs","nightLengthDisplay":"10 Hours 31 Mins 00 Secs","moonriseLocal":"02:44","moonsetLocal":"14:09","rahuKala":{"name":"Rāhu Kāla","start":"14:07","end":"15:48","startHours":14.108374692469418,"endHours":15.79378284042162,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:41","end":"07:22","startHours":5.681333952708417,"endHours":7.366742100660617,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:03","end":"10:44","startHours":9.052150248612818,"endHours":10.737558396565017,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:50","end":"09:17","startHours":8.827429162219191,"endHours":9.276871335006444,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:15","end":"06:36","startHours":6.243136668692483,"endHours":6.602690406922286,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:52","startHours":11.973524371729965,"endHours":12.872408717304474,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:53","end":"04:47","startHours":3.8835652615594025,"endHours":4.78244960713391,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:33","end":"05:41","startHours":4.557728520740283,"endHours":5.681333952708417,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:40","end":"15:34","startHours":14.670177408453487,"endHours":15.569061754027993,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:58","end":"19:22","startHours":18.964599136326022,"endHours":19.36459913632602,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:10","end":"19:44","startHours":19.16459913632602,"endHours":19.72640185231009,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:55","end":"20:40","startHours":18.91459913632602,"endHours":20.66459913632602,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:52","startHours":23.973524371729965,"endHours":24.872408717304474,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:41","end":"07:22","startHours":5.681333952708417,"endHours":7.366742100660617,"quality":"auspicious"},{"name":"Roga","start":"07:22","end":"09:03","startHours":7.366742100660617,"endHours":9.052150248612818,"quality":"inauspicious"},{"name":"Udveg","start":"09:03","end":"10:44","startHours":9.052150248612818,"endHours":10.737558396565017,"quality":"inauspicious"},{"name":"Chala","start":"10:44","end":"12:25","startHours":10.737558396565017,"endHours":12.42296654451722,"quality":"neutral"},{"name":"Labha","start":"12:25","end":"14:07","startHours":12.42296654451722,"endHours":14.108374692469418,"quality":"auspicious"},{"name":"Amṛta","start":"14:07","end":"15:48","startHours":14.108374692469418,"endHours":15.79378284042162,"quality":"auspicious"},{"name":"Kāla","start":"15:48","end":"17:29","startHours":15.79378284042162,"endHours":17.47919098837382,"quality":"inauspicious"},{"name":"Śubha","start":"17:29","end":"19:10","startHours":17.47919098837382,"endHours":19.16459913632602,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:10","end":"20:29","startHours":19.16459913632602,"endHours":20.479190988373823,"quality":"auspicious"},{"name":"Kāla","start":"20:29","end":"21:48","startHours":20.479190988373823,"endHours":21.79378284042162,"quality":"inauspicious"},{"name":"Śubha","start":"21:48","end":"23:07","startHours":21.79378284042162,"endHours":23.108374692469418,"quality":"auspicious"},{"name":"Roga","start":"23:07","end":"00:25","startHours":23.108374692469418,"endHours":24.42296654451722,"quality":"inauspicious"},{"name":"Udveg","start":"00:25","end":"01:44","startHours":24.42296654451722,"endHours":25.73755839656502,"quality":"inauspicious"},{"name":"Chala","start":"01:44","end":"03:03","startHours":25.73755839656502,"endHours":27.05215024861282,"quality":"neutral"},{"name":"Labha","start":"03:03","end":"04:22","startHours":27.05215024861282,"endHours":28.366742100660616,"quality":"auspicious"},{"name":"Amṛta","start":"04:22","end":"05:41","startHours":28.366742100660616,"endHours":29.681333952708417,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:41","end":"06:41","startHours":5.681333952708417,"endHours":6.681333952708417,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:41","end":"07:41","startHours":6.681333952708417,"endHours":7.681333952708417,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:41","end":"08:41","startHours":7.681333952708417,"endHours":8.681333952708417,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:41","end":"09:41","startHours":8.681333952708417,"endHours":9.681333952708417,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:41","end":"10:41","startHours":9.681333952708417,"endHours":10.681333952708417,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:41","end":"11:41","startHours":10.681333952708417,"endHours":11.681333952708417,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:41","end":"12:41","startHours":11.681333952708417,"endHours":12.681333952708417,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:41","end":"13:41","startHours":12.681333952708417,"endHours":13.681333952708417,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:41","end":"14:41","startHours":13.681333952708417,"endHours":14.681333952708417,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:41","end":"15:41","startHours":14.681333952708417,"endHours":15.681333952708417,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:41","end":"16:41","startHours":15.681333952708417,"endHours":16.681333952708417,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:41","end":"17:41","startHours":16.681333952708417,"endHours":17.681333952708417,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:41","end":"18:41","startHours":17.681333952708417,"endHours":18.681333952708417,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:41","end":"19:41","startHours":18.681333952708417,"endHours":19.681333952708417,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:41","end":"20:41","startHours":19.681333952708417,"endHours":20.681333952708417,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:41","end":"21:41","startHours":20.681333952708417,"endHours":21.681333952708417,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:41","end":"22:41","startHours":21.681333952708417,"endHours":22.681333952708417,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:41","end":"23:41","startHours":22.681333952708417,"endHours":23.681333952708417,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:41","end":"00:41","startHours":23.681333952708417,"endHours":24.681333952708417,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:41","end":"01:41","startHours":24.681333952708417,"endHours":25.681333952708417,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:41","end":"02:41","startHours":25.681333952708417,"endHours":26.681333952708417,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:41","end":"03:41","startHours":26.681333952708417,"endHours":27.681333952708417,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:41","end":"04:41","startHours":27.681333952708417,"endHours":28.681333952708417,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:41","end":"05:41","startHours":28.681333952708417,"endHours":29.681333952708417,"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","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":14.830918361142652,"eotMinutes":2.918007328966811,"ayanamsa":22.6423}},"calendars":{"vikram_samvat":1970,"vikram_samvatsara":"Akṣaya","saka_samvat":1835,"saka_samvatsara":"Pramādī","bengali_samvat":1320,"malayalam_era":1089,"nanakshahi_year":444,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Caitra","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 Kṛṣṇa Daśamī · Vikram 1970 Akṣaya · Śaka 1835 Pramādī"},"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":[]},"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, 1913 CE · Phoenix, USA · Vidhyamitra","description":"May 1, 1913 CE for Phoenix, USA: Kṛṣṇa Daśamī, sūryodaya 05:41, sūryāsta 19:10.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1913-05-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1913-05-01","sa":"https://sa.vidhyamitra.com/city/phoenix/1913-05-01","hi":"https://hi.vidhyamitra.com/city/phoenix/1913-05-01","x-default":"https://vidhyamitra.com/city/phoenix/1913-05-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T20:37:39.409Z","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":"2026-05-31T20:37:39.409Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T20:37:39.409Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}