{"id":"vidhyamitra:city-day:phoenix:1919-10-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1919-10-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1919-10-01","date_display":"October 1, 1919 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":1919,"month":10,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2422232.770833,"kali_year":5021,"ahargana":1833767.2708,"sun":{"sidereal_longitude":163.5244,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":242.4684,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":78.9441,"elapsed_within_tithi_degrees":6.9441},"nakshatra":{"number":19,"name":"Mūla","pada":1,"moon_longitude":242.4684,"elapsed_within_degrees":2.4684},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":45.9928},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1919,"month":10,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2422232.770833,"ahargana":1833767.2708,"kali_year":5021,"ayanamsa_lahiri":22.7319,"grahas":{"sun":{"sidereal_longitude":164.07575300000008,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"moon":{"sidereal_longitude":239.52975300000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false,"latitude":1.849},"mars":{"sidereal_longitude":122.86075299999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":168.01055300000007,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":109.70825300000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":139.67855300000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":133.751753,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":218.1853,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":38.1853,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","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":1919,"month":10,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2422232.770833,"kali_year":5021,"ahargana":1833767.2708,"sun":{"sidereal_longitude":163.5244,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":242.4684,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":78.9441,"elapsed_within_tithi_degrees":6.9441},"nakshatra":{"number":19,"name":"Mūla","pada":1,"moon_longitude":242.4684,"elapsed_within_degrees":2.4684},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":45.9928},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.849,"elongation":78.944},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.849,"opposition_distance":101.056}},"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":"06:20","sunsetLocal":"18:14","solarNoonLocal":"12:17","dayLengthHours":11.895064061253379,"dayLengthDisplay":"11 Hours 53 Mins 42 Secs","nightLengthDisplay":"12 Hours 06 Mins 18 Secs","moonriseLocal":"12:22","moonsetLocal":"22:16","rahuKala":{"name":"Rāhu Kāla","start":"12:17","end":"13:46","startHours":12.28547059689026,"endHours":13.772353604546932,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:49","end":"09:19","startHours":7.824821573920243,"endHours":9.311704581576915,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:48","end":"12:17","startHours":10.798587589233588,"endHours":12.28547059689026,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:07","end":"09:31","startHours":9.11345351388936,"endHours":9.509955649264471,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:50","end":"07:09","startHours":6.833566235482461,"endHours":7.150767943782552,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:41","startHours":11.888968461515148,"endHours":12.681972732265372,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:45","end":"05:33","startHours":4.75193002476312,"endHours":5.544934295513345,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:21","end":"06:20","startHours":5.346683227825789,"endHours":6.3379385662635706,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:16","end":"15:04","startHours":14.267981273765823,"endHours":15.060985544516049,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:02","end":"18:26","startHours":18.03300262751695,"endHours":18.43300262751695,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:14","end":"18:44","startHours":18.23300262751695,"endHours":18.72863029673584,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:59","end":"19:44","startHours":17.98300262751695,"endHours":19.73300262751695,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:41","startHours":23.888968461515148,"endHours":24.681972732265372,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:20","end":"07:49","startHours":6.3379385662635706,"endHours":7.824821573920243,"quality":"auspicious"},{"name":"Amṛta","start":"07:49","end":"09:19","startHours":7.824821573920243,"endHours":9.311704581576915,"quality":"auspicious"},{"name":"Kāla","start":"09:19","end":"10:48","startHours":9.311704581576915,"endHours":10.798587589233588,"quality":"inauspicious"},{"name":"Śubha","start":"10:48","end":"12:17","startHours":10.798587589233588,"endHours":12.28547059689026,"quality":"auspicious"},{"name":"Roga","start":"12:17","end":"13:46","startHours":12.28547059689026,"endHours":13.772353604546932,"quality":"inauspicious"},{"name":"Udveg","start":"13:46","end":"15:16","startHours":13.772353604546932,"endHours":15.259236612203605,"quality":"inauspicious"},{"name":"Chala","start":"15:16","end":"16:45","startHours":15.259236612203605,"endHours":16.746119619860277,"quality":"neutral"},{"name":"Labha","start":"16:45","end":"18:14","startHours":16.746119619860277,"endHours":18.23300262751695,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:14","end":"19:45","startHours":18.23300262751695,"endHours":19.746119619860277,"quality":"inauspicious"},{"name":"Chala","start":"19:45","end":"21:16","startHours":19.746119619860277,"endHours":21.259236612203605,"quality":"neutral"},{"name":"Labha","start":"21:16","end":"22:46","startHours":21.259236612203605,"endHours":22.772353604546932,"quality":"auspicious"},{"name":"Amṛta","start":"22:46","end":"00:17","startHours":22.772353604546932,"endHours":24.28547059689026,"quality":"auspicious"},{"name":"Kāla","start":"00:17","end":"01:48","startHours":24.28547059689026,"endHours":25.798587589233588,"quality":"inauspicious"},{"name":"Śubha","start":"01:48","end":"03:19","startHours":25.798587589233588,"endHours":27.311704581576915,"quality":"auspicious"},{"name":"Roga","start":"03:19","end":"04:49","startHours":27.311704581576915,"endHours":28.824821573920243,"quality":"inauspicious"},{"name":"Udveg","start":"04:49","end":"06:20","startHours":28.824821573920243,"endHours":30.33793856626357,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:20","end":"07:20","startHours":6.3379385662635706,"endHours":7.3379385662635706,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:20","end":"08:20","startHours":7.3379385662635706,"endHours":8.33793856626357,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:20","end":"09:20","startHours":8.33793856626357,"endHours":9.33793856626357,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:20","end":"10:20","startHours":9.33793856626357,"endHours":10.33793856626357,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:20","end":"11:20","startHours":10.33793856626357,"endHours":11.33793856626357,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:20","end":"12:20","startHours":11.33793856626357,"endHours":12.33793856626357,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:20","end":"13:20","startHours":12.33793856626357,"endHours":13.33793856626357,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:20","end":"14:20","startHours":13.33793856626357,"endHours":14.33793856626357,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:20","end":"15:20","startHours":14.33793856626357,"endHours":15.33793856626357,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:20","end":"16:20","startHours":15.33793856626357,"endHours":16.33793856626357,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:20","end":"17:20","startHours":16.33793856626357,"endHours":17.33793856626357,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:20","end":"18:20","startHours":17.33793856626357,"endHours":18.33793856626357,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:20","end":"19:20","startHours":18.33793856626357,"endHours":19.33793856626357,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:20","end":"20:20","startHours":19.33793856626357,"endHours":20.33793856626357,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:20","end":"21:20","startHours":20.33793856626357,"endHours":21.33793856626357,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:20","end":"22:20","startHours":21.33793856626357,"endHours":22.33793856626357,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:20","end":"23:20","startHours":22.33793856626357,"endHours":23.33793856626357,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:20","end":"00:20","startHours":23.33793856626357,"endHours":24.33793856626357,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:20","end":"01:20","startHours":24.33793856626357,"endHours":25.33793856626357,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:20","end":"02:20","startHours":25.33793856626357,"endHours":26.33793856626357,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:20","end":"03:20","startHours":26.33793856626357,"endHours":27.33793856626357,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:20","end":"04:20","startHours":27.33793856626357,"endHours":28.33793856626357,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:20","end":"05:20","startHours":28.33793856626357,"endHours":29.33793856626357,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:20","end":"06:20","startHours":29.33793856626357,"endHours":30.33793856626357,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"North-East","rahuVasa":"South-West","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-2.702260081207697,"eotMinutes":11.167764186584405,"ayanamsa":22.7319}},"calendars":{"vikram_samvat":1976,"vikram_samvatsara":"Aṅgirasa","saka_samvat":1841,"saka_samvatsara":"Siddhārthī","bengali_samvat":1326,"malayalam_era":1095,"nanakshahi_year":450,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Saptamī · Vikram 1976 Aṅgirasa · Śaka 1841 Siddhārthī"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 October 1, 1919 CE · Phoenix, USA · Vidhyamitra","description":"October 1, 1919 CE for Phoenix, USA: Śukla Saptamī, sūryodaya 06:20, sūryāsta 18:14.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1919-10-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1919-10-01","sa":"https://sa.vidhyamitra.com/city/phoenix/1919-10-01","hi":"https://hi.vidhyamitra.com/city/phoenix/1919-10-01","x-default":"https://vidhyamitra.com/city/phoenix/1919-10-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T22:19:52.478Z","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":"2026-05-31T22:19:52.478Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T22:19:52.478Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}