{"id":"vidhyamitra:city-day:phoenix:1922-05-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1922-05-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1922-05-01","date_display":"May 1, 1922 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":1922,"month":5,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2423175.770833,"kali_year":5024,"ahargana":1834710.2708,"sun":{"sidereal_longitude":17.3584,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":64.286,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":46.9276,"elapsed_within_tithi_degrees":10.9276},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":64.286,"elapsed_within_degrees":10.9526},"yoga":{"number":7,"name":"Sukarma","sum_longitude":81.6443},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"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":1922,"month":5,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2423175.770833,"ahargana":1834710.2708,"kali_year":5024,"ayanamsa_lahiri":22.768,"grahas":{"sun":{"sidereal_longitude":17.118522999999982,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":62.644923000000006,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false,"latitude":-4.3673},"mars":{"sidereal_longitude":243.25832300000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":25.48782299999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":169.05132300000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":true},"venus":{"sidereal_longitude":38.30792300000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":159.33062300000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":168.2206,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":348.2206,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","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":1922,"month":5,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2423175.770833,"kali_year":5024,"ahargana":1834710.2708,"sun":{"sidereal_longitude":17.3584,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":64.286,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":46.9276,"elapsed_within_tithi_degrees":10.9276},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":64.286,"elapsed_within_degrees":10.9526},"yoga":{"number":7,"name":"Sukarma","sum_longitude":81.6443},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.367,"elongation":46.928},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.367,"opposition_distance":133.072}},"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":13.47802927650445,"dayLengthDisplay":"13 Hours 28 Mins 41 Secs","nightLengthDisplay":"10 Hours 31 Mins 19 Secs","moonriseLocal":"08:18","moonsetLocal":"22:37","rahuKala":{"name":"Rāhu Kāla","start":"07:22","end":"09:03","startHours":7.36870556582805,"endHours":9.053459225391105,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:44","end":"12:25","startHours":10.738212884954162,"endHours":12.42296654451722,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:06","end":"15:48","startHours":14.107720204080277,"endHours":15.79247386364333,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:50","end":"09:17","startHours":8.828825404116031,"endHours":9.27809304666618,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:15","end":"06:36","startHours":6.245536459452679,"endHours":6.604950573492798,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:52","startHours":11.97369890196707,"endHours":12.872234187067368,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:53","end":"04:47","startHours":3.8868813360644,"endHours":4.785416621164696,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:34","end":"05:41","startHours":4.560782799889623,"endHours":5.683951906264993,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:40","end":"15:34","startHours":14.669304757267959,"endHours":15.567840042368255,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:58","end":"19:22","startHours":18.961981182769446,"endHours":19.361981182769444,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:10","end":"19:43","startHours":19.161981182769445,"endHours":19.72356573595713,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:55","end":"20:40","startHours":18.911981182769445,"endHours":20.661981182769445,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:52","startHours":23.973698901967072,"endHours":24.872234187067367,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:41","end":"07:22","startHours":5.683951906264993,"endHours":7.36870556582805,"quality":"auspicious"},{"name":"Kāla","start":"07:22","end":"09:03","startHours":7.36870556582805,"endHours":9.053459225391105,"quality":"inauspicious"},{"name":"Śubha","start":"09:03","end":"10:44","startHours":9.053459225391105,"endHours":10.738212884954162,"quality":"auspicious"},{"name":"Roga","start":"10:44","end":"12:25","startHours":10.738212884954162,"endHours":12.42296654451722,"quality":"inauspicious"},{"name":"Udveg","start":"12:25","end":"14:06","startHours":12.42296654451722,"endHours":14.107720204080277,"quality":"inauspicious"},{"name":"Chala","start":"14:06","end":"15:48","startHours":14.107720204080277,"endHours":15.79247386364333,"quality":"neutral"},{"name":"Labha","start":"15:48","end":"17:29","startHours":15.79247386364333,"endHours":17.477227523206388,"quality":"auspicious"},{"name":"Amṛta","start":"17:29","end":"19:10","startHours":17.477227523206388,"endHours":19.161981182769445,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"19:10","end":"20:29","startHours":19.161981182769445,"endHours":20.477227523206388,"quality":"neutral"},{"name":"Labha","start":"20:29","end":"21:48","startHours":20.477227523206388,"endHours":21.79247386364333,"quality":"auspicious"},{"name":"Amṛta","start":"21:48","end":"23:06","startHours":21.79247386364333,"endHours":23.107720204080277,"quality":"auspicious"},{"name":"Kāla","start":"23:06","end":"00:25","startHours":23.107720204080277,"endHours":24.42296654451722,"quality":"inauspicious"},{"name":"Śubha","start":"00:25","end":"01:44","startHours":24.42296654451722,"endHours":25.738212884954162,"quality":"auspicious"},{"name":"Roga","start":"01:44","end":"03:03","startHours":25.738212884954162,"endHours":27.05345922539111,"quality":"inauspicious"},{"name":"Udveg","start":"03:03","end":"04:22","startHours":27.05345922539111,"endHours":28.36870556582805,"quality":"inauspicious"},{"name":"Chala","start":"04:22","end":"05:41","startHours":28.36870556582805,"endHours":29.683951906264994,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:41","end":"06:41","startHours":5.683951906264993,"endHours":6.683951906264993,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:41","end":"07:41","startHours":6.683951906264993,"endHours":7.683951906264993,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:41","end":"08:41","startHours":7.683951906264993,"endHours":8.683951906264994,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:41","end":"09:41","startHours":8.683951906264994,"endHours":9.683951906264994,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:41","end":"10:41","startHours":9.683951906264994,"endHours":10.683951906264994,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:41","end":"11:41","startHours":10.683951906264994,"endHours":11.683951906264994,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:41","end":"12:41","startHours":11.683951906264994,"endHours":12.683951906264994,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:41","end":"13:41","startHours":12.683951906264994,"endHours":13.683951906264994,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:41","end":"14:41","startHours":13.683951906264994,"endHours":14.683951906264994,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:41","end":"15:41","startHours":14.683951906264994,"endHours":15.683951906264994,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:41","end":"16:41","startHours":15.683951906264994,"endHours":16.683951906264994,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:41","end":"17:41","startHours":16.683951906264994,"endHours":17.683951906264994,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:41","end":"18:41","startHours":17.683951906264994,"endHours":18.683951906264994,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:41","end":"19:41","startHours":18.683951906264994,"endHours":19.683951906264994,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:41","end":"20:41","startHours":19.683951906264994,"endHours":20.683951906264994,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:41","end":"21:41","startHours":20.683951906264994,"endHours":21.683951906264994,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:41","end":"22:41","startHours":21.683951906264994,"endHours":22.683951906264994,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:41","end":"23:41","startHours":22.683951906264994,"endHours":23.683951906264994,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:41","end":"00:41","startHours":23.683951906264994,"endHours":24.683951906264994,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:41","end":"01:41","startHours":24.683951906264994,"endHours":25.683951906264994,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:41","end":"02:41","startHours":25.683951906264994,"endHours":26.683951906264994,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:41","end":"03:41","startHours":26.683951906264994,"endHours":27.683951906264994,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:41","end":"04:41","startHours":27.683951906264994,"endHours":28.683951906264994,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:41","end":"05:41","startHours":28.683951906264994,"endHours":29.683951906264994,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"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":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Vajra","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":14.776758995184737,"eotMinutes":2.918007328966811,"ayanamsa":22.768}},"calendars":{"vikram_samvat":1979,"vikram_samvatsara":"Yuva","saka_samvat":1844,"saka_samvatsara":"Dundubhi","bengali_samvat":1329,"malayalam_era":1098,"nanakshahi_year":453,"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 Caturthī · Vikram 1979 Yuva · Śaka 1844 Dundubhi"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"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 1, 1922 CE · Phoenix, USA · Vidhyamitra","description":"May 1, 1922 CE for Phoenix, USA: Śukla Caturthī, sūryodaya 05:41, sūryāsta 19:10.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1922-05-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1922-05-01","sa":"https://sa.vidhyamitra.com/city/phoenix/1922-05-01","hi":"https://hi.vidhyamitra.com/city/phoenix/1922-05-01","x-default":"https://vidhyamitra.com/city/phoenix/1922-05-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T19:28:43.990Z","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":"2026-05-31T19:28:43.990Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T19:28:43.990Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}