{"id":"vidhyamitra:city-day:phoenix:1917-01-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1917-01-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1917-01-01","date_display":"January 1, 1917 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":1917,"month":1,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2421229.770833,"kali_year":5018,"ahargana":1832764.2708,"sun":{"sidereal_longitude":257.3448,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":351.0442,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":93.6994,"elapsed_within_tithi_degrees":9.6994},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":351.0442,"elapsed_within_degrees":4.3776},"yoga":{"number":19,"name":"Parigha","sum_longitude":248.3891},"karana":{"half_tithi_index":15,"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":1917,"month":1,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2421229.770833,"ahargana":1832764.2708,"kali_year":5018,"ayanamsa_lahiri":22.6936,"grahas":{"sun":{"sidereal_longitude":257.37627499999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":354.004075,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false,"latitude":4.4276},"mars":{"sidereal_longitude":271.852675,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":277.7700749999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":3.5441749999999956,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":230.53897500000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":96.44697500000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":271.3291,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":91.3291,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","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":1917,"month":1,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2421229.770833,"kali_year":5018,"ahargana":1832764.2708,"sun":{"sidereal_longitude":257.3448,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":351.0442,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":93.6994,"elapsed_within_tithi_degrees":9.6994},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":351.0442,"elapsed_within_degrees":4.3776},"yoga":{"number":19,"name":"Parigha","sum_longitude":248.3891},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.428,"elongation":93.699},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.428,"opposition_distance":86.301}},"eclipse_window_40days":[{"offset_days":7,"type":"lunar","occurs":true,"moon_latitude":0.665,"opposition_distance":2.095}]},"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":"07:33","sunsetLocal":"17:31","solarNoonLocal":"12:32","dayLengthHours":9.973174941412061,"dayLengthDisplay":"9 Hours 58 Mins 23 Secs","nightLengthDisplay":"14 Hours 01 Mins 37 Secs","moonriseLocal":"12:38","moonsetLocal":"01:19","rahuKala":{"name":"Rāhu Kāla","start":"08:48","end":"10:02","startHours":8.793412369027077,"endHours":10.040059236703586,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:17","end":"12:32","startHours":11.286706104380094,"endHours":12.533352972056601,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:47","end":"15:02","startHours":13.779999839733108,"endHours":15.026646707409617,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:52","end":"10:12","startHours":9.873839654346718,"endHours":10.206278819060454,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:58","end":"08:14","startHours":7.96231445724274,"endHours":8.228265789013728,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:12","end":"12:52","startHours":12.200913807342866,"endHours":12.865792136770336,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:13","end":"06:53","startHours":6.217008842495629,"endHours":6.8818871719231,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:43","end":"07:33","startHours":6.715667589566232,"endHours":7.546765501350571,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:12","end":"14:52","startHours":14.195548795625278,"endHours":14.860427125052748,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:19","end":"17:43","startHours":17.319940442762633,"endHours":17.71994044276263,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:31","end":"17:56","startHours":17.519940442762632,"endHours":17.935489398654802,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:16","end":"19:01","startHours":17.269940442762632,"endHours":19.019940442762632,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:12","end":"00:52","startHours":24.200913807342864,"endHours":24.865792136770338,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:33","end":"08:48","startHours":7.546765501350571,"endHours":8.793412369027077,"quality":"auspicious"},{"name":"Kāla","start":"08:48","end":"10:02","startHours":8.793412369027077,"endHours":10.040059236703586,"quality":"inauspicious"},{"name":"Śubha","start":"10:02","end":"11:17","startHours":10.040059236703586,"endHours":11.286706104380094,"quality":"auspicious"},{"name":"Roga","start":"11:17","end":"12:32","startHours":11.286706104380094,"endHours":12.533352972056601,"quality":"inauspicious"},{"name":"Udveg","start":"12:32","end":"13:47","startHours":12.533352972056601,"endHours":13.779999839733108,"quality":"inauspicious"},{"name":"Chala","start":"13:47","end":"15:02","startHours":13.779999839733108,"endHours":15.026646707409617,"quality":"neutral"},{"name":"Labha","start":"15:02","end":"16:16","startHours":15.026646707409617,"endHours":16.273293575086125,"quality":"auspicious"},{"name":"Amṛta","start":"16:16","end":"17:31","startHours":16.273293575086125,"endHours":17.519940442762632,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:31","end":"19:16","startHours":17.519940442762632,"endHours":19.273293575086125,"quality":"neutral"},{"name":"Labha","start":"19:16","end":"21:02","startHours":19.273293575086125,"endHours":21.02664670740962,"quality":"auspicious"},{"name":"Amṛta","start":"21:02","end":"22:47","startHours":21.02664670740962,"endHours":22.779999839733108,"quality":"auspicious"},{"name":"Kāla","start":"22:47","end":"00:32","startHours":22.779999839733108,"endHours":24.5333529720566,"quality":"inauspicious"},{"name":"Śubha","start":"00:32","end":"02:17","startHours":24.5333529720566,"endHours":26.286706104380094,"quality":"auspicious"},{"name":"Roga","start":"02:17","end":"04:02","startHours":26.286706104380094,"endHours":28.040059236703584,"quality":"inauspicious"},{"name":"Udveg","start":"04:02","end":"05:48","startHours":28.040059236703584,"endHours":29.793412369027077,"quality":"inauspicious"},{"name":"Chala","start":"05:48","end":"07:33","startHours":29.793412369027077,"endHours":31.54676550135057,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:33","end":"08:33","startHours":7.546765501350571,"endHours":8.54676550135057,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:33","end":"09:33","startHours":8.54676550135057,"endHours":9.54676550135057,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:33","end":"10:33","startHours":9.54676550135057,"endHours":10.54676550135057,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:33","end":"11:33","startHours":10.54676550135057,"endHours":11.54676550135057,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:33","end":"12:33","startHours":11.54676550135057,"endHours":12.54676550135057,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:33","end":"13:33","startHours":12.54676550135057,"endHours":13.54676550135057,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:33","end":"14:33","startHours":13.54676550135057,"endHours":14.54676550135057,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:33","end":"15:33","startHours":14.54676550135057,"endHours":15.54676550135057,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:33","end":"16:33","startHours":15.54676550135057,"endHours":16.54676550135057,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:33","end":"17:33","startHours":16.54676550135057,"endHours":17.54676550135057,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:33","end":"18:33","startHours":17.54676550135057,"endHours":18.54676550135057,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:33","end":"19:33","startHours":18.54676550135057,"endHours":19.54676550135057,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:33","end":"20:33","startHours":19.54676550135057,"endHours":20.54676550135057,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:33","end":"21:33","startHours":20.54676550135057,"endHours":21.54676550135057,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:33","end":"22:33","startHours":21.54676550135057,"endHours":22.54676550135057,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:33","end":"23:33","startHours":22.54676550135057,"endHours":23.54676550135057,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:33","end":"00:33","startHours":23.54676550135057,"endHours":24.54676550135057,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:33","end":"01:33","startHours":24.54676550135057,"endHours":25.54676550135057,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:33","end":"02:33","startHours":25.54676550135057,"endHours":26.54676550135057,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:33","end":"03:33","startHours":26.54676550135057,"endHours":27.54676550135057,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:33","end":"04:33","startHours":27.54676550135057,"endHours":28.54676550135057,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:33","end":"05:33","startHours":28.54676550135057,"endHours":29.54676550135057,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:33","end":"06:33","startHours":29.54676550135057,"endHours":30.54676550135057,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:33","end":"07:33","startHours":30.54676550135057,"endHours":31.54676550135057,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.054434708100107,"eotMinutes":-3.705178323396069,"ayanamsa":22.6936}},"calendars":{"vikram_samvat":1974,"vikram_samvatsara":"Pramoda","saka_samvat":1839,"saka_samvatsara":"Piṅgala","bengali_samvat":1324,"malayalam_era":1093,"nanakshahi_year":448,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Aṣṭamī · Vikram 1974 Pramoda · Śaka 1839 Piṅgala"},"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":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","relevance":0.5}]},"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 January 1, 1917 CE · Phoenix, USA · Vidhyamitra","description":"January 1, 1917 CE for Phoenix, USA: Śukla Aṣṭamī, sūryodaya 07:33, sūryāsta 17:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1917-01-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1917-01-01","sa":"https://sa.vidhyamitra.com/city/phoenix/1917-01-01","hi":"https://hi.vidhyamitra.com/city/phoenix/1917-01-01","x-default":"https://vidhyamitra.com/city/phoenix/1917-01-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T03:43:30.392Z","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":"2026-05-31T03:43:30.392Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T03:43:30.392Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}