{"id":"vidhyamitra:city-day:phoenix:2121-10-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2121-10-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2121-10-23","date_display":"October 23, 2121 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":2121,"month":10,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2496034.770833,"kali_year":5223,"ahargana":1907569.2708,"sun":{"sidereal_longitude":183.0596,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":323.1872,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":140.1276,"elapsed_within_tithi_degrees":8.1276},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1,"moon_longitude":323.1872,"elapsed_within_degrees":3.1872},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":146.2469},"karana":{"half_tithi_index":23,"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":2121,"month":10,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2496034.770833,"ahargana":1907569.2708,"kali_year":5223,"ayanamsa_lahiri":25.5546,"grahas":{"sun":{"sidereal_longitude":184.075374,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":321.5711739999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false,"latitude":3.7023},"mars":{"sidereal_longitude":213.34637399999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":175.17757400000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":119.78677400000004,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":170.98467400000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":81.46327400000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":267.8002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":87.8002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","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":2121,"month":10,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2496034.770833,"kali_year":5223,"ahargana":1907569.2708,"sun":{"sidereal_longitude":183.0596,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":323.1872,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":140.1276,"elapsed_within_tithi_degrees":8.1276},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1,"moon_longitude":323.1872,"elapsed_within_degrees":3.1872},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":146.2469},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.702,"elongation":140.128},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.702,"opposition_distance":39.872}},"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":11.121724241757605,"dayLengthDisplay":"11 Hours 07 Mins 18 Secs","nightLengthDisplay":"12 Hours 52 Mins 42 Secs","moonriseLocal":"15:33","moonsetLocal":"03:12","rahuKala":{"name":"Rāhu Kāla","start":"13:36","end":"14:59","startHours":13.594191615134807,"endHours":14.984407145354506,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:39","end":"08:02","startHours":6.643113964036304,"endHours":8.033329494256005,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:25","end":"10:49","startHours":9.423545024475704,"endHours":10.813760554695406,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:14","end":"09:37","startHours":9.238182953779745,"endHours":9.608907095171665,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:06","end":"07:24","startHours":7.106519140776204,"endHours":7.40309845388974,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:34","startHours":11.833251943523186,"endHours":12.574700226307025,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:10","end":"05:54","startHours":5.160217398468623,"endHours":5.901665681252464,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:43","end":"06:39","startHours":5.716303610556503,"endHours":6.643113964036304,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:03","end":"14:48","startHours":14.057596791874708,"endHours":14.79904507465855,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:34","end":"17:58","startHours":17.564838205793908,"endHours":17.964838205793907,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:46","end":"18:14","startHours":17.764838205793907,"endHours":18.228243382533808,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:31","end":"19:16","startHours":17.514838205793907,"endHours":19.264838205793907,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:34","startHours":23.833251943523184,"endHours":24.574700226307026,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:39","end":"08:02","startHours":6.643113964036304,"endHours":8.033329494256005,"quality":"auspicious"},{"name":"Roga","start":"08:02","end":"09:25","startHours":8.033329494256005,"endHours":9.423545024475704,"quality":"inauspicious"},{"name":"Udveg","start":"09:25","end":"10:49","startHours":9.423545024475704,"endHours":10.813760554695406,"quality":"inauspicious"},{"name":"Chala","start":"10:49","end":"12:12","startHours":10.813760554695406,"endHours":12.203976084915105,"quality":"neutral"},{"name":"Labha","start":"12:12","end":"13:36","startHours":12.203976084915105,"endHours":13.594191615134807,"quality":"auspicious"},{"name":"Amṛta","start":"13:36","end":"14:59","startHours":13.594191615134807,"endHours":14.984407145354506,"quality":"auspicious"},{"name":"Kāla","start":"14:59","end":"16:22","startHours":14.984407145354506,"endHours":16.37462267557421,"quality":"inauspicious"},{"name":"Śubha","start":"16:22","end":"17:46","startHours":16.37462267557421,"endHours":17.764838205793907,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:46","end":"19:22","startHours":17.764838205793907,"endHours":19.37462267557421,"quality":"auspicious"},{"name":"Kāla","start":"19:22","end":"20:59","startHours":19.37462267557421,"endHours":20.984407145354506,"quality":"inauspicious"},{"name":"Śubha","start":"20:59","end":"22:36","startHours":20.984407145354506,"endHours":22.594191615134804,"quality":"auspicious"},{"name":"Roga","start":"22:36","end":"00:12","startHours":22.594191615134804,"endHours":24.203976084915105,"quality":"inauspicious"},{"name":"Udveg","start":"00:12","end":"01:49","startHours":24.203976084915105,"endHours":25.813760554695406,"quality":"inauspicious"},{"name":"Chala","start":"01:49","end":"03:25","startHours":25.813760554695406,"endHours":27.423545024475704,"quality":"neutral"},{"name":"Labha","start":"03:25","end":"05:02","startHours":27.423545024475704,"endHours":29.033329494256,"quality":"auspicious"},{"name":"Amṛta","start":"05:02","end":"06:39","startHours":29.033329494256,"endHours":30.643113964036303,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:39","end":"07:39","startHours":6.643113964036304,"endHours":7.643113964036304,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:39","end":"08:39","startHours":7.643113964036304,"endHours":8.643113964036303,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:39","end":"09:39","startHours":8.643113964036303,"endHours":9.643113964036303,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:39","end":"10:39","startHours":9.643113964036303,"endHours":10.643113964036303,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:39","end":"11:39","startHours":10.643113964036303,"endHours":11.643113964036303,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:39","end":"12:39","startHours":11.643113964036303,"endHours":12.643113964036303,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:39","end":"13:39","startHours":12.643113964036303,"endHours":13.643113964036303,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:39","end":"14:39","startHours":13.643113964036303,"endHours":14.643113964036303,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:39","end":"15:39","startHours":14.643113964036303,"endHours":15.643113964036303,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:39","end":"16:39","startHours":15.643113964036303,"endHours":16.643113964036303,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:39","end":"17:39","startHours":16.643113964036303,"endHours":17.643113964036303,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:39","end":"18:39","startHours":17.643113964036303,"endHours":18.643113964036303,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:39","end":"19:39","startHours":18.643113964036303,"endHours":19.643113964036303,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:39","end":"20:39","startHours":19.643113964036303,"endHours":20.643113964036303,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:39","end":"21:39","startHours":20.643113964036303,"endHours":21.643113964036303,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:39","end":"22:39","startHours":21.643113964036303,"endHours":22.643113964036303,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:39","end":"23:39","startHours":22.643113964036303,"endHours":23.643113964036303,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:39","end":"00:39","startHours":23.643113964036303,"endHours":24.643113964036303,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:39","end":"01:39","startHours":24.643113964036303,"endHours":25.643113964036303,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:39","end":"02:39","startHours":25.643113964036303,"endHours":26.643113964036303,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:39","end":"03:39","startHours":26.643113964036303,"endHours":27.643113964036303,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:39","end":"04:39","startHours":27.643113964036303,"endHours":28.643113964036303,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:39","end":"05:39","startHours":28.643113964036303,"endHours":29.643113964036303,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:39","end":"06:39","startHours":29.643113964036303,"endHours":30.643113964036303,"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","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-11.340403802435373,"eotMinutes":16.057434905093558,"ayanamsa":25.5546}},"calendars":{"vikram_samvat":2178,"vikram_samvatsara":"Jaya","saka_samvat":2043,"saka_samvatsara":"Vṛṣa","bengali_samvat":1528,"malayalam_era":1297,"nanakshahi_year":652,"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":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Dvādaśī · Vikram 2178 Jaya · Śaka 2043 Vṛṣa"},"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":[]},"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, 2121 CE · Phoenix, USA · Vidhyamitra","description":"October 23, 2121 CE for Phoenix, USA: Śukla Dvādaśī, sūryodaya 06:39, sūryāsta 17:46.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2121-10-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2121-10-23","sa":"https://sa.vidhyamitra.com/city/phoenix/2121-10-23","hi":"https://hi.vidhyamitra.com/city/phoenix/2121-10-23","x-default":"https://vidhyamitra.com/city/phoenix/2121-10-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T03:05:44.969Z","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":"2026-06-03T03:05:44.969Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T03:05:44.969Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}