{"id":"vidhyamitra:city-day:phoenix:1929-01-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1929-01-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1929-01-23","date_display":"January 23, 1929 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":1929,"month":1,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2425634.770833,"kali_year":5030,"ahargana":1837169.2708,"sun":{"sidereal_longitude":279.8298,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":70.9631,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":151.1333,"elapsed_within_tithi_degrees":7.1333},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":70.9631,"elapsed_within_degrees":4.2964},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":350.7929},"karana":{"half_tithi_index":25,"name":"Taitila"},"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":1929,"month":1,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2425634.770833,"ahargana":1837169.2708,"kali_year":5030,"ayanamsa_lahiri":22.862,"grahas":{"sun":{"sidereal_longitude":279.706872,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":68.497972,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false,"latitude":2.4512},"mars":{"sidereal_longitude":59.278572,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":299.307672,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":10.154672000000005,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":326.79437200000007,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":243.53217199999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":37.931,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":217.931,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"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":1929,"month":1,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2425634.770833,"kali_year":5030,"ahargana":1837169.2708,"sun":{"sidereal_longitude":279.8298,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":70.9631,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":151.1333,"elapsed_within_tithi_degrees":7.1333},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":70.9631,"elapsed_within_degrees":4.2964},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":350.7929},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.451,"elongation":151.133},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.451,"opposition_distance":28.867}},"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":"07:30","sunsetLocal":"17:50","solarNoonLocal":"12:40","dayLengthHours":10.332677895516461,"dayLengthDisplay":"10 Hours 19 Mins 58 Secs","nightLengthDisplay":"13 Hours 40 Mins 02 Secs","moonriseLocal":"15:26","moonsetLocal":"05:45","rahuKala":{"name":"Rāhu Kāla","start":"12:40","end":"13:58","startHours":12.66835329300196,"endHours":13.959938029941519,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:48","end":"10:05","startHours":8.793599082183288,"endHours":10.085183819122847,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:23","end":"12:40","startHours":11.376768556062403,"endHours":12.66835329300196,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:55","end":"10:15","startHours":9.912972520864237,"endHours":10.257395117381453,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:56","end":"08:12","startHours":7.932542590890249,"endHours":8.20808066810402,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:19","end":"13:01","startHours":12.323930696484744,"endHours":13.012775889519176,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:07","end":"06:49","startHours":6.124323959174869,"endHours":6.8131691522093,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:38","end":"07:30","startHours":6.640957853950692,"endHours":7.5020143452437305,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:23","end":"15:05","startHours":14.390466275588038,"endHours":15.079311468622468,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:38","end":"18:02","startHours":17.63469224076019,"endHours":18.03469224076019,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:50","end":"18:16","startHours":17.83469224076019,"endHours":18.26522048640671,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:35","end":"19:20","startHours":17.58469224076019,"endHours":19.33469224076019,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:19","end":"01:01","startHours":24.323930696484744,"endHours":25.012775889519176,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:30","end":"08:48","startHours":7.5020143452437305,"endHours":8.793599082183288,"quality":"auspicious"},{"name":"Amṛta","start":"08:48","end":"10:05","startHours":8.793599082183288,"endHours":10.085183819122847,"quality":"auspicious"},{"name":"Kāla","start":"10:05","end":"11:23","startHours":10.085183819122847,"endHours":11.376768556062403,"quality":"inauspicious"},{"name":"Śubha","start":"11:23","end":"12:40","startHours":11.376768556062403,"endHours":12.66835329300196,"quality":"auspicious"},{"name":"Roga","start":"12:40","end":"13:58","startHours":12.66835329300196,"endHours":13.959938029941519,"quality":"inauspicious"},{"name":"Udveg","start":"13:58","end":"15:15","startHours":13.959938029941519,"endHours":15.251522766881077,"quality":"inauspicious"},{"name":"Chala","start":"15:15","end":"16:33","startHours":15.251522766881077,"endHours":16.543107503820632,"quality":"neutral"},{"name":"Labha","start":"16:33","end":"17:50","startHours":16.543107503820632,"endHours":17.83469224076019,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:50","end":"19:33","startHours":17.83469224076019,"endHours":19.543107503820632,"quality":"inauspicious"},{"name":"Chala","start":"19:33","end":"21:15","startHours":19.543107503820632,"endHours":21.251522766881074,"quality":"neutral"},{"name":"Labha","start":"21:15","end":"22:58","startHours":21.251522766881074,"endHours":22.95993802994152,"quality":"auspicious"},{"name":"Amṛta","start":"22:58","end":"00:40","startHours":22.95993802994152,"endHours":24.66835329300196,"quality":"auspicious"},{"name":"Kāla","start":"00:40","end":"02:23","startHours":24.66835329300196,"endHours":26.3767685560624,"quality":"inauspicious"},{"name":"Śubha","start":"02:23","end":"04:05","startHours":26.3767685560624,"endHours":28.085183819122847,"quality":"auspicious"},{"name":"Roga","start":"04:05","end":"05:48","startHours":28.085183819122847,"endHours":29.793599082183288,"quality":"inauspicious"},{"name":"Udveg","start":"05:48","end":"07:30","startHours":29.793599082183288,"endHours":31.50201434524373,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:30","end":"08:30","startHours":7.5020143452437305,"endHours":8.50201434524373,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:30","end":"09:30","startHours":8.50201434524373,"endHours":9.50201434524373,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:30","end":"10:30","startHours":9.50201434524373,"endHours":10.50201434524373,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:30","end":"11:30","startHours":10.50201434524373,"endHours":11.50201434524373,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:30","end":"12:30","startHours":11.50201434524373,"endHours":12.50201434524373,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:30","end":"13:30","startHours":12.50201434524373,"endHours":13.50201434524373,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:30","end":"14:30","startHours":13.50201434524373,"endHours":14.50201434524373,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:30","end":"15:30","startHours":14.50201434524373,"endHours":15.50201434524373,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:30","end":"16:30","startHours":15.50201434524373,"endHours":16.50201434524373,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:30","end":"17:30","startHours":16.50201434524373,"endHours":17.50201434524373,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:30","end":"18:30","startHours":17.50201434524373,"endHours":18.50201434524373,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:30","end":"19:30","startHours":18.50201434524373,"endHours":19.50201434524373,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:30","end":"20:30","startHours":19.50201434524373,"endHours":20.50201434524373,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:30","end":"21:30","startHours":20.50201434524373,"endHours":21.50201434524373,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:30","end":"22:30","startHours":21.50201434524373,"endHours":22.50201434524373,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:30","end":"23:30","startHours":22.50201434524373,"endHours":23.50201434524373,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:30","end":"00:30","startHours":23.50201434524373,"endHours":24.50201434524373,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:30","end":"01:30","startHours":24.50201434524373,"endHours":25.50201434524373,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:30","end":"02:30","startHours":25.50201434524373,"endHours":26.50201434524373,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:30","end":"03:30","startHours":26.50201434524373,"endHours":27.50201434524373,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:30","end":"04:30","startHours":27.50201434524373,"endHours":28.50201434524373,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:30","end":"05:30","startHours":28.50201434524373,"endHours":29.50201434524373,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:30","end":"06:30","startHours":29.50201434524373,"endHours":30.50201434524373,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:30","end":"07:30","startHours":30.50201434524373,"endHours":31.50201434524373,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"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":"North (Uttara)","chandraVasa":"South","rahuVasa":"South-West","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-19.58391182987943,"eotMinutes":-11.805197580117738,"ayanamsa":22.862}},"calendars":{"vikram_samvat":1986,"vikram_samvatsara":"Citrabhānu","saka_samvat":1851,"saka_samvatsara":"Śukla","bengali_samvat":1336,"malayalam_era":1105,"nanakshahi_year":460,"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":"Makara (Tai)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Trayodaśī · Vikram 1986 Citrabhānu · Śaka 1851 Śukla"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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 January 23, 1929 CE · Phoenix, USA · Vidhyamitra","description":"January 23, 1929 CE for Phoenix, USA: Śukla Trayodaśī, sūryodaya 07:30, sūryāsta 17:50.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1929-01-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1929-01-23","sa":"https://sa.vidhyamitra.com/city/phoenix/1929-01-23","hi":"https://hi.vidhyamitra.com/city/phoenix/1929-01-23","x-default":"https://vidhyamitra.com/city/phoenix/1929-01-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T06:20:32.287Z","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":"2026-06-03T06:20:32.287Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T06:20:32.287Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}