{"id":"vidhyamitra:city-day:phoenix:1966-01-10:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1966-01-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1966-01-10","date_display":"January 10, 1966 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":1966,"month":1,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2439135.770833,"kali_year":5067,"ahargana":1850670.2708,"sun":{"sidereal_longitude":265.8983,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":122.6438,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":216.7455,"elapsed_within_tithi_degrees":0.7455},"nakshatra":{"number":10,"name":"Maghā","pada":1,"moon_longitude":122.6438,"elapsed_within_degrees":2.6438},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":28.5421},"karana":{"half_tithi_index":36,"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":1966,"month":1,"day":10,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2439135.770833,"ahargana":1850670.2708,"kali_year":5067,"ayanamsa_lahiri":23.3784,"grahas":{"sun":{"sidereal_longitude":265.9712340000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":125.74783400000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false,"latitude":4.4323},"mars":{"sidereal_longitude":291.11493399999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":250.41613399999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":60.570334,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":290.49773400000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":true},"saturn":{"sidereal_longitude":320.47283400000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":42.583,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":222.583,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","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":1966,"month":1,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2439135.770833,"kali_year":5067,"ahargana":1850670.2708,"sun":{"sidereal_longitude":265.8983,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":122.6438,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":216.7455,"elapsed_within_tithi_degrees":0.7455},"nakshatra":{"number":10,"name":"Maghā","pada":1,"moon_longitude":122.6438,"elapsed_within_degrees":2.6438},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":28.5421},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.432,"elongation":143.255},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.432,"opposition_distance":36.745}},"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":"07:33","sunsetLocal":"17:38","solarNoonLocal":"12:36","dayLengthHours":10.080349473243224,"dayLengthDisplay":"10 Hours 04 Mins 49 Secs","nightLengthDisplay":"13 Hours 55 Mins 11 Secs","moonriseLocal":"20:40","moonsetLocal":"09:49","rahuKala":{"name":"Rāhu Kāla","start":"08:49","end":"10:05","startHours":8.816457677943223,"endHours":10.076501362098625,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:20","end":"12:36","startHours":11.33654504625403,"endHours":12.596588730409433,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:51","end":"15:07","startHours":13.856632414564835,"endHours":15.116676098720237,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:55","end":"10:15","startHours":9.908495537544573,"endHours":10.24450718665268,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:59","end":"08:15","startHours":7.976428555172954,"endHours":8.24523787445944,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:16","end":"12:56","startHours":12.260577081301326,"endHours":12.93260037951754,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:13","end":"06:53","startHours":6.21236739735539,"endHours":6.884390695571605,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:43","end":"07:33","startHours":6.716384871017551,"endHours":7.55641399378782,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:17","end":"14:57","startHours":14.27664697594997,"endHours":14.948670274166185,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:26","end":"17:50","startHours":17.436763467031046,"endHours":17.836763467031044,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:38","end":"18:03","startHours":17.636763467031045,"endHours":18.05677802841618,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:23","end":"19:08","startHours":17.386763467031045,"endHours":19.136763467031045,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:16","end":"00:56","startHours":24.260577081301324,"endHours":24.93260037951754,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:33","end":"08:49","startHours":7.55641399378782,"endHours":8.816457677943223,"quality":"auspicious"},{"name":"Kāla","start":"08:49","end":"10:05","startHours":8.816457677943223,"endHours":10.076501362098625,"quality":"inauspicious"},{"name":"Śubha","start":"10:05","end":"11:20","startHours":10.076501362098625,"endHours":11.33654504625403,"quality":"auspicious"},{"name":"Roga","start":"11:20","end":"12:36","startHours":11.33654504625403,"endHours":12.596588730409433,"quality":"inauspicious"},{"name":"Udveg","start":"12:36","end":"13:51","startHours":12.596588730409433,"endHours":13.856632414564835,"quality":"inauspicious"},{"name":"Chala","start":"13:51","end":"15:07","startHours":13.856632414564835,"endHours":15.116676098720237,"quality":"neutral"},{"name":"Labha","start":"15:07","end":"16:23","startHours":15.116676098720237,"endHours":16.376719782875643,"quality":"auspicious"},{"name":"Amṛta","start":"16:23","end":"17:38","startHours":16.376719782875643,"endHours":17.636763467031045,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:38","end":"19:23","startHours":17.636763467031045,"endHours":19.376719782875643,"quality":"neutral"},{"name":"Labha","start":"19:23","end":"21:07","startHours":19.376719782875643,"endHours":21.11667609872024,"quality":"auspicious"},{"name":"Amṛta","start":"21:07","end":"22:51","startHours":21.11667609872024,"endHours":22.856632414564835,"quality":"auspicious"},{"name":"Kāla","start":"22:51","end":"00:36","startHours":22.856632414564835,"endHours":24.596588730409433,"quality":"inauspicious"},{"name":"Śubha","start":"00:36","end":"02:20","startHours":24.596588730409433,"endHours":26.33654504625403,"quality":"auspicious"},{"name":"Roga","start":"02:20","end":"04:05","startHours":26.33654504625403,"endHours":28.076501362098625,"quality":"inauspicious"},{"name":"Udveg","start":"04:05","end":"05:49","startHours":28.076501362098625,"endHours":29.816457677943223,"quality":"inauspicious"},{"name":"Chala","start":"05:49","end":"07:33","startHours":29.816457677943223,"endHours":31.55641399378782,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:33","end":"08:33","startHours":7.55641399378782,"endHours":8.556413993787821,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:33","end":"09:33","startHours":8.556413993787821,"endHours":9.556413993787821,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:33","end":"10:33","startHours":9.556413993787821,"endHours":10.556413993787821,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:33","end":"11:33","startHours":10.556413993787821,"endHours":11.556413993787821,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:33","end":"12:33","startHours":11.556413993787821,"endHours":12.556413993787821,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:33","end":"13:33","startHours":12.556413993787821,"endHours":13.556413993787821,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:33","end":"14:33","startHours":13.556413993787821,"endHours":14.556413993787821,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:33","end":"15:33","startHours":14.556413993787821,"endHours":15.556413993787821,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:33","end":"16:33","startHours":15.556413993787821,"endHours":16.55641399378782,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:33","end":"17:33","startHours":16.55641399378782,"endHours":17.55641399378782,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:33","end":"18:33","startHours":17.55641399378782,"endHours":18.55641399378782,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:33","end":"19:33","startHours":18.55641399378782,"endHours":19.55641399378782,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:33","end":"20:33","startHours":19.55641399378782,"endHours":20.55641399378782,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:33","end":"21:33","startHours":20.55641399378782,"endHours":21.55641399378782,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:33","end":"22:33","startHours":21.55641399378782,"endHours":22.55641399378782,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:33","end":"23:33","startHours":22.55641399378782,"endHours":23.55641399378782,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:33","end":"00:33","startHours":23.55641399378782,"endHours":24.55641399378782,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:33","end":"01:33","startHours":24.55641399378782,"endHours":25.55641399378782,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:33","end":"02:33","startHours":25.55641399378782,"endHours":26.55641399378782,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:33","end":"03:33","startHours":26.55641399378782,"endHours":27.55641399378782,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:33","end":"04:33","startHours":27.55641399378782,"endHours":28.55641399378782,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:33","end":"05:33","startHours":28.55641399378782,"endHours":29.55641399378782,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:33","end":"06:33","startHours":29.55641399378782,"endHours":30.55641399378782,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:33","end":"07:33","startHours":30.55641399378782,"endHours":31.55641399378782,"planetary_lord":"Venus"}],"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":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"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":-22.040770094838095,"eotMinutes":-7.499323824565993,"ayanamsa":23.3784}},"calendars":{"vikram_samvat":2023,"vikram_samvatsara":"Siddhārthī","saka_samvat":1888,"saka_samvatsara":"Parābhava","bengali_samvat":1373,"malayalam_era":1142,"nanakshahi_year":497,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","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":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Caturthī · Vikram 2023 Siddhārthī · Śaka 1888 Parābhava"},"festivals":[{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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":[]},"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 10, 1966 CE · Phoenix, USA · Vidhyamitra","description":"January 10, 1966 CE for Phoenix, USA: Kṛṣṇa Caturthī, sūryodaya 07:33, sūryāsta 17:38.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1966-01-10","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1966-01-10","sa":"https://sa.vidhyamitra.com/city/phoenix/1966-01-10","hi":"https://hi.vidhyamitra.com/city/phoenix/1966-01-10","x-default":"https://vidhyamitra.com/city/phoenix/1966-01-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T00:08:13.872Z","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":"2026-06-03T00:08:13.872Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T00:08:13.872Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}