{"id":"vidhyamitra:city-day:phoenix:1920-05-10:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1920-05-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1920-05-10","date_display":"May 10, 1920 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":1920,"month":5,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2422454.770833,"kali_year":5022,"ahargana":1833989.2708,"sun":{"sidereal_longitude":26.522,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":286.4325,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":259.9105,"elapsed_within_tithi_degrees":7.9105},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":286.4325,"elapsed_within_degrees":6.4325},"yoga":{"number":24,"name":"Śukla","sum_longitude":312.9545},"karana":{"half_tithi_index":43,"name":"Bava"},"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":1920,"month":5,"day":10,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2422454.770833,"ahargana":1833989.2708,"kali_year":5022,"ayanamsa_lahiri":22.7404,"grahas":{"sun":{"sidereal_longitude":26.328270999999972,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":282.697371,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false,"latitude":4.4316},"mars":{"sidereal_longitude":182.75857099999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":10.056171000000006,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":107.745271,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":12.68587100000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":132.47437100000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":206.4227,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":26.4227,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","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":1920,"month":5,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2422454.770833,"kali_year":5022,"ahargana":1833989.2708,"sun":{"sidereal_longitude":26.522,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":286.4325,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":259.9105,"elapsed_within_tithi_degrees":7.9105},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":286.4325,"elapsed_within_degrees":6.4325},"yoga":{"number":24,"name":"Śukla","sum_longitude":312.9545},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.432,"elongation":100.089},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.432,"opposition_distance":79.911}},"eclipse_window_40days":[{"offset_days":-7,"type":"lunar","occurs":true,"moon_latitude":-0.46,"opposition_distance":1.139}]},"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":"05:32","sunsetLocal":"19:17","solarNoonLocal":"12:25","dayLengthHours":13.744566074263439,"dayLengthDisplay":"13 Hours 44 Mins 40 Secs","nightLengthDisplay":"10 Hours 15 Mins 20 Secs","moonriseLocal":"00:19","moonsetLocal":"10:41","rahuKala":{"name":"Rāhu Kāla","start":"07:15","end":"08:58","startHours":7.256110625083654,"endHours":8.974181384366585,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:42","end":"12:25","startHours":10.692252143649513,"endHours":12.410322902932442,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:08","end":"15:51","startHours":14.128393662215373,"endHours":15.846464421498304,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:45","end":"09:12","startHours":8.74510528312886,"endHours":9.203257485604308,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:07","end":"06:29","startHours":6.110730118895034,"endHours":6.477251880875392,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:52","startHours":11.952170700456994,"endHours":12.86847510540789,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:42","end":"04:37","startHours":3.705431055898932,"endHours":4.621735460849828,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:24","end":"05:32","startHours":4.392659359612104,"endHours":5.538039865800724,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:42","end":"15:37","startHours":14.701083915309685,"endHours":15.61738832026058,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:05","end":"19:29","startHours":19.082605940064163,"endHours":19.48260594006416,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:17","end":"19:51","startHours":19.282605940064162,"endHours":19.855296193158473,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:02","end":"20:47","startHours":19.032605940064162,"endHours":20.782605940064162,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:52","startHours":23.952170700456996,"endHours":24.86847510540789,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:32","end":"07:15","startHours":5.538039865800724,"endHours":7.256110625083654,"quality":"auspicious"},{"name":"Kāla","start":"07:15","end":"08:58","startHours":7.256110625083654,"endHours":8.974181384366585,"quality":"inauspicious"},{"name":"Śubha","start":"08:58","end":"10:42","startHours":8.974181384366585,"endHours":10.692252143649513,"quality":"auspicious"},{"name":"Roga","start":"10:42","end":"12:25","startHours":10.692252143649513,"endHours":12.410322902932442,"quality":"inauspicious"},{"name":"Udveg","start":"12:25","end":"14:08","startHours":12.410322902932442,"endHours":14.128393662215373,"quality":"inauspicious"},{"name":"Chala","start":"14:08","end":"15:51","startHours":14.128393662215373,"endHours":15.846464421498304,"quality":"neutral"},{"name":"Labha","start":"15:51","end":"17:34","startHours":15.846464421498304,"endHours":17.56453518078123,"quality":"auspicious"},{"name":"Amṛta","start":"17:34","end":"19:17","startHours":17.56453518078123,"endHours":19.282605940064162,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"19:17","end":"20:34","startHours":19.282605940064162,"endHours":20.56453518078123,"quality":"neutral"},{"name":"Labha","start":"20:34","end":"21:51","startHours":20.56453518078123,"endHours":21.846464421498304,"quality":"auspicious"},{"name":"Amṛta","start":"21:51","end":"23:08","startHours":21.846464421498304,"endHours":23.128393662215373,"quality":"auspicious"},{"name":"Kāla","start":"23:08","end":"00:25","startHours":23.128393662215373,"endHours":24.410322902932442,"quality":"inauspicious"},{"name":"Śubha","start":"00:25","end":"01:42","startHours":24.410322902932442,"endHours":25.69225214364951,"quality":"auspicious"},{"name":"Roga","start":"01:42","end":"02:58","startHours":25.69225214364951,"endHours":26.97418138436658,"quality":"inauspicious"},{"name":"Udveg","start":"02:58","end":"04:15","startHours":26.97418138436658,"endHours":28.256110625083654,"quality":"inauspicious"},{"name":"Chala","start":"04:15","end":"05:32","startHours":28.256110625083654,"endHours":29.538039865800723,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:32","end":"06:32","startHours":5.538039865800724,"endHours":6.538039865800724,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:32","end":"07:32","startHours":6.538039865800724,"endHours":7.538039865800724,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:32","end":"08:32","startHours":7.538039865800724,"endHours":8.538039865800723,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:32","end":"09:32","startHours":8.538039865800723,"endHours":9.538039865800723,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:32","end":"10:32","startHours":9.538039865800723,"endHours":10.538039865800723,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:32","end":"11:32","startHours":10.538039865800723,"endHours":11.538039865800723,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:32","end":"12:32","startHours":11.538039865800723,"endHours":12.538039865800723,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:32","end":"13:32","startHours":12.538039865800723,"endHours":13.538039865800723,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:32","end":"14:32","startHours":13.538039865800723,"endHours":14.538039865800723,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:32","end":"15:32","startHours":14.538039865800723,"endHours":15.538039865800723,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:32","end":"16:32","startHours":15.538039865800723,"endHours":16.538039865800723,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:32","end":"17:32","startHours":16.538039865800723,"endHours":17.538039865800723,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:32","end":"18:32","startHours":17.538039865800723,"endHours":18.538039865800723,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:32","end":"19:32","startHours":18.538039865800723,"endHours":19.538039865800723,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:32","end":"20:32","startHours":19.538039865800723,"endHours":20.538039865800723,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:32","end":"21:32","startHours":20.538039865800723,"endHours":21.538039865800723,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:32","end":"22:32","startHours":21.538039865800723,"endHours":22.538039865800723,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:32","end":"23:32","startHours":22.538039865800723,"endHours":23.538039865800723,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:32","end":"00:32","startHours":23.538039865800723,"endHours":24.538039865800723,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:32","end":"01:32","startHours":24.538039865800723,"endHours":25.538039865800723,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:32","end":"02:32","startHours":25.538039865800723,"endHours":26.538039865800723,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:32","end":"03:32","startHours":26.538039865800723,"endHours":27.538039865800723,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:32","end":"04:32","startHours":27.538039865800723,"endHours":28.538039865800723,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:32","end":"05:32","startHours":28.538039865800723,"endHours":29.538039865800723,"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","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Cara","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":17.486737112582453,"eotMinutes":3.6766258240534686,"ayanamsa":22.7404}},"calendars":{"vikram_samvat":1977,"vikram_samvatsara":"Śrīmukha","saka_samvat":1842,"saka_samvatsara":"Raudra","bengali_samvat":1327,"malayalam_era":1096,"nanakshahi_year":451,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","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":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Saptamī · Vikram 1977 Śrīmukha · Śaka 1842 Raudra"},"festivals":[],"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 10, 1920 CE · Phoenix, USA · Vidhyamitra","description":"May 10, 1920 CE for Phoenix, USA: Kṛṣṇa Saptamī, sūryodaya 05:32, sūryāsta 19:17.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1920-05-10","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1920-05-10","sa":"https://sa.vidhyamitra.com/city/phoenix/1920-05-10","hi":"https://hi.vidhyamitra.com/city/phoenix/1920-05-10","x-default":"https://vidhyamitra.com/city/phoenix/1920-05-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T08:02:36.121Z","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":"2026-06-02T08:02:36.121Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T08:02:36.121Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}