{"id":"vidhyamitra:city-day:phoenix:1997-10-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1997-10-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1997-10-23","date_display":"October 23, 1997 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":1997,"month":10,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450744.770833,"kali_year":5099,"ahargana":1862279.2708,"sun":{"sidereal_longitude":185.1407,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":91.2734,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":266.1327,"elapsed_within_tithi_degrees":2.1327},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":91.2734,"elapsed_within_degrees":11.2734},"yoga":{"number":21,"name":"Siddha","sum_longitude":276.4141},"karana":{"half_tithi_index":44,"name":"Bālava"},"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":1997,"month":10,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450744.770833,"ahargana":1862279.2708,"kali_year":5099,"ayanamsa_lahiri":23.8224,"grahas":{"sun":{"sidereal_longitude":185.85078499999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":94.126285,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false,"latitude":-3.7386},"mars":{"sidereal_longitude":233.44658500000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":191.86868500000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":288.63038499999993,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"venus":{"sidereal_longitude":232.37898500000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":352.027485,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":147.4823,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":327.4823,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"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":1997,"month":10,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450744.770833,"kali_year":5099,"ahargana":1862279.2708,"sun":{"sidereal_longitude":185.1407,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":91.2734,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":266.1327,"elapsed_within_tithi_degrees":2.1327},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":91.2734,"elapsed_within_degrees":11.2734},"yoga":{"number":21,"name":"Siddha","sum_longitude":276.4141},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.739,"elongation":93.867},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.739,"opposition_distance":86.133}},"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":"06:39","sunsetLocal":"17:46","solarNoonLocal":"12:12","dayLengthHours":11.12032643770548,"dayLengthDisplay":"11 Hours 07 Mins 13 Secs","nightLengthDisplay":"12 Hours 52 Mins 47 Secs","moonriseLocal":"23:05","moonsetLocal":"13:06","rahuKala":{"name":"Rāhu Kāla","start":"13:36","end":"14:59","startHours":13.59401688962829,"endHours":14.984057694341473,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:39","end":"08:02","startHours":6.6438128660623645,"endHours":8.03385367077555,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:25","end":"10:49","startHours":9.423894475488733,"endHours":10.81393528020192,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:14","end":"09:37","startHours":9.238555701526977,"endHours":9.609233249450492,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:06","end":"07:24","startHours":7.10715980096676,"endHours":7.4037018393055725,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:34","startHours":11.83329853699159,"endHours":12.57465363283862,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:10","end":"05:54","startHours":5.1611026743683,"endHours":5.9024577702153325,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:43","end":"06:39","startHours":5.717118996253575,"endHours":6.6438128660623645,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:03","end":"14:48","startHours":14.057363824532684,"endHours":14.798718920379716,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:34","end":"17:58","startHours":17.564139303767845,"endHours":17.964139303767844,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:46","end":"18:14","startHours":17.764139303767845,"endHours":18.22748623867224,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:31","end":"19:16","startHours":17.514139303767845,"endHours":19.264139303767845,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:34","startHours":23.833298536991588,"endHours":24.574653632838622,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:39","end":"08:02","startHours":6.6438128660623645,"endHours":8.03385367077555,"quality":"auspicious"},{"name":"Roga","start":"08:02","end":"09:25","startHours":8.03385367077555,"endHours":9.423894475488733,"quality":"inauspicious"},{"name":"Udveg","start":"09:25","end":"10:49","startHours":9.423894475488733,"endHours":10.81393528020192,"quality":"inauspicious"},{"name":"Chala","start":"10:49","end":"12:12","startHours":10.81393528020192,"endHours":12.203976084915105,"quality":"neutral"},{"name":"Labha","start":"12:12","end":"13:36","startHours":12.203976084915105,"endHours":13.59401688962829,"quality":"auspicious"},{"name":"Amṛta","start":"13:36","end":"14:59","startHours":13.59401688962829,"endHours":14.984057694341473,"quality":"auspicious"},{"name":"Kāla","start":"14:59","end":"16:22","startHours":14.984057694341473,"endHours":16.37409849905466,"quality":"inauspicious"},{"name":"Śubha","start":"16:22","end":"17:46","startHours":16.37409849905466,"endHours":17.764139303767845,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:46","end":"19:22","startHours":17.764139303767845,"endHours":19.37409849905466,"quality":"auspicious"},{"name":"Kāla","start":"19:22","end":"20:59","startHours":19.37409849905466,"endHours":20.984057694341473,"quality":"inauspicious"},{"name":"Śubha","start":"20:59","end":"22:36","startHours":20.984057694341473,"endHours":22.59401688962829,"quality":"auspicious"},{"name":"Roga","start":"22:36","end":"00:12","startHours":22.59401688962829,"endHours":24.203976084915105,"quality":"inauspicious"},{"name":"Udveg","start":"00:12","end":"01:49","startHours":24.203976084915105,"endHours":25.81393528020192,"quality":"inauspicious"},{"name":"Chala","start":"01:49","end":"03:25","startHours":25.81393528020192,"endHours":27.423894475488737,"quality":"neutral"},{"name":"Labha","start":"03:25","end":"05:02","startHours":27.423894475488737,"endHours":29.03385367077555,"quality":"auspicious"},{"name":"Amṛta","start":"05:02","end":"06:39","startHours":29.03385367077555,"endHours":30.643812866062365,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:39","end":"07:39","startHours":6.6438128660623645,"endHours":7.6438128660623645,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:39","end":"08:39","startHours":7.6438128660623645,"endHours":8.643812866062365,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:39","end":"09:39","startHours":8.643812866062365,"endHours":9.643812866062365,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:39","end":"10:39","startHours":9.643812866062365,"endHours":10.643812866062365,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:39","end":"11:39","startHours":10.643812866062365,"endHours":11.643812866062365,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:39","end":"12:39","startHours":11.643812866062365,"endHours":12.643812866062365,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:39","end":"13:39","startHours":12.643812866062365,"endHours":13.643812866062365,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:39","end":"14:39","startHours":13.643812866062365,"endHours":14.643812866062365,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:39","end":"15:39","startHours":14.643812866062365,"endHours":15.643812866062365,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:39","end":"16:39","startHours":15.643812866062365,"endHours":16.643812866062365,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:39","end":"17:39","startHours":16.643812866062365,"endHours":17.643812866062365,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:39","end":"18:39","startHours":17.643812866062365,"endHours":18.643812866062365,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:39","end":"19:39","startHours":18.643812866062365,"endHours":19.643812866062365,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:39","end":"20:39","startHours":19.643812866062365,"endHours":20.643812866062365,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:39","end":"21:39","startHours":20.643812866062365,"endHours":21.643812866062365,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:39","end":"22:39","startHours":21.643812866062365,"endHours":22.643812866062365,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:39","end":"23:39","startHours":22.643812866062365,"endHours":23.643812866062365,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:39","end":"00:39","startHours":23.643812866062365,"endHours":24.643812866062365,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:39","end":"01:39","startHours":24.643812866062365,"endHours":25.643812866062365,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:39","end":"02:39","startHours":25.643812866062365,"endHours":26.643812866062365,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:39","end":"03:39","startHours":26.643812866062365,"endHours":27.643812866062365,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:39","end":"04:39","startHours":27.643812866062365,"endHours":28.643812866062365,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:39","end":"05:39","startHours":28.643812866062365,"endHours":29.643812866062365,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:39","end":"06:39","startHours":29.643812866062365,"endHours":30.643812866062365,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-11.355637473615941,"eotMinutes":16.057434905093558,"ayanamsa":23.8224}},"calendars":{"vikram_samvat":2054,"vikram_samvatsara":"Vikṛti","saka_samvat":1919,"saka_samvatsara":"Īśvara","bengali_samvat":1404,"malayalam_era":1173,"nanakshahi_year":528,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Kārtika","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Kṛṣṇa Aṣṭamī · Vikram 2054 Vikṛti · Śaka 1919 Īśvara"},"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":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","relevance":0.5},{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","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 October 23, 1997 CE · Phoenix, USA · Vidhyamitra","description":"October 23, 1997 CE for Phoenix, USA: Kṛṣṇa Aṣṭamī, sūryodaya 06:39, sūryāsta 17:46.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1997-10-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1997-10-23","sa":"https://sa.vidhyamitra.com/city/phoenix/1997-10-23","hi":"https://hi.vidhyamitra.com/city/phoenix/1997-10-23","x-default":"https://vidhyamitra.com/city/phoenix/1997-10-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T16:04:09.725Z","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":"2026-05-31T16:04:09.725Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T16:04:09.725Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}