{"id":"vidhyamitra:city-day:phoenix:1963-01-29:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1963-01-29","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1963-01-29","date_display":"January 29, 1963 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":1963,"month":1,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438058.770833,"kali_year":5064,"ahargana":1849593.2708,"sun":{"sidereal_longitude":285.156,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":329.0735,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":43.9175,"elapsed_within_tithi_degrees":7.9175},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3,"moon_longitude":329.0735,"elapsed_within_degrees":9.0735},"yoga":{"number":20,"name":"Śiva","sum_longitude":254.2295},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1963,"month":1,"day":29,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2438058.770833,"ahargana":1849593.2708,"kali_year":5064,"ayanamsa_lahiri":23.3372,"grahas":{"sun":{"sidereal_longitude":285.07368299999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"moon":{"sidereal_longitude":330.82738300000005,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false,"latitude":-3.4166},"mars":{"sidereal_longitude":114.67048299999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":268.405583,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":321.998883,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":238.76708299999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":290.493383,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":99.6476,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":279.6476,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":1963,"month":1,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438058.770833,"kali_year":5064,"ahargana":1849593.2708,"sun":{"sidereal_longitude":285.156,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":329.0735,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":43.9175,"elapsed_within_tithi_degrees":7.9175},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3,"moon_longitude":329.0735,"elapsed_within_degrees":9.0735},"yoga":{"number":20,"name":"Śiva","sum_longitude":254.2295},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.417,"elongation":43.917},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.417,"opposition_distance":136.083}},"eclipse_window_40days":[{"offset_days":-19,"type":"lunar","occurs":true,"moon_latitude":-0.956,"opposition_distance":2.706}]},"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":"07:27","sunsetLocal":"17:56","solarNoonLocal":"12:41","dayLengthHours":10.474762490140648,"dayLengthDisplay":"10 Hours 28 Mins 29 Secs","nightLengthDisplay":"13 Hours 31 Mins 31 Secs","moonriseLocal":"09:48","moonsetLocal":"21:41","rahuKala":{"name":"Rāhu Kāla","start":"15:19","end":"16:37","startHours":15.309825988747065,"endHours":16.619171300014646,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:04","end":"11:23","startHours":10.07244474367674,"endHours":11.381790054944322,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:41","end":"14:00","startHours":12.691135366211903,"endHours":14.000480677479484,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:54","end":"10:15","startHours":9.897865368841062,"endHours":10.247024118512417,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:53","end":"08:10","startHours":7.890202558230771,"endHours":8.169529557967856,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:21","end":"13:02","startHours":12.341976616540547,"endHours":13.040294115883258,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:03","end":"06:45","startHours":6.057119122456157,"endHours":6.755436621798868,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:35","end":"07:27","startHours":6.58085724696319,"endHours":7.453754121141578,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:08","startHours":14.436929114568677,"endHours":15.135246613911388,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:44","end":"18:08","startHours":17.728516611282227,"endHours":18.128516611282226,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:56","end":"18:22","startHours":17.928516611282227,"endHours":18.36496504837142,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:41","end":"19:26","startHours":17.678516611282227,"endHours":19.428516611282227,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:21","end":"01:02","startHours":24.34197661654055,"endHours":25.040294115883256,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:27","end":"08:46","startHours":7.453754121141578,"endHours":8.76309943240916,"quality":"inauspicious"},{"name":"Udveg","start":"08:46","end":"10:04","startHours":8.76309943240916,"endHours":10.07244474367674,"quality":"inauspicious"},{"name":"Chala","start":"10:04","end":"11:23","startHours":10.07244474367674,"endHours":11.381790054944322,"quality":"neutral"},{"name":"Labha","start":"11:23","end":"12:41","startHours":11.381790054944322,"endHours":12.691135366211903,"quality":"auspicious"},{"name":"Amṛta","start":"12:41","end":"14:00","startHours":12.691135366211903,"endHours":14.000480677479484,"quality":"auspicious"},{"name":"Kāla","start":"14:00","end":"15:19","startHours":14.000480677479484,"endHours":15.309825988747065,"quality":"inauspicious"},{"name":"Śubha","start":"15:19","end":"16:37","startHours":15.309825988747065,"endHours":16.619171300014646,"quality":"auspicious"},{"name":"Roga","start":"16:37","end":"17:56","startHours":16.619171300014646,"endHours":17.928516611282227,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:56","end":"19:37","startHours":17.928516611282227,"endHours":19.619171300014646,"quality":"inauspicious"},{"name":"Śubha","start":"19:37","end":"21:19","startHours":19.619171300014646,"endHours":21.309825988747065,"quality":"auspicious"},{"name":"Roga","start":"21:19","end":"23:00","startHours":21.309825988747065,"endHours":23.000480677479484,"quality":"inauspicious"},{"name":"Udveg","start":"23:00","end":"00:41","startHours":23.000480677479484,"endHours":24.691135366211903,"quality":"inauspicious"},{"name":"Chala","start":"00:41","end":"02:23","startHours":24.691135366211903,"endHours":26.38179005494432,"quality":"neutral"},{"name":"Labha","start":"02:23","end":"04:04","startHours":26.38179005494432,"endHours":28.07244474367674,"quality":"auspicious"},{"name":"Amṛta","start":"04:04","end":"05:46","startHours":28.07244474367674,"endHours":29.76309943240916,"quality":"auspicious"},{"name":"Kāla","start":"05:46","end":"07:27","startHours":29.76309943240916,"endHours":31.45375412114158,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:27","end":"08:27","startHours":7.453754121141578,"endHours":8.453754121141579,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:27","end":"09:27","startHours":8.453754121141579,"endHours":9.453754121141579,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:27","end":"10:27","startHours":9.453754121141579,"endHours":10.453754121141579,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:27","end":"11:27","startHours":10.453754121141579,"endHours":11.453754121141579,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:27","end":"12:27","startHours":11.453754121141579,"endHours":12.453754121141579,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:27","end":"13:27","startHours":12.453754121141579,"endHours":13.453754121141579,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:27","end":"14:27","startHours":13.453754121141579,"endHours":14.453754121141579,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:27","end":"15:27","startHours":14.453754121141579,"endHours":15.453754121141579,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:27","end":"16:27","startHours":15.453754121141579,"endHours":16.45375412114158,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:27","end":"17:27","startHours":16.45375412114158,"endHours":17.45375412114158,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:27","end":"18:27","startHours":17.45375412114158,"endHours":18.45375412114158,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:27","end":"19:27","startHours":18.45375412114158,"endHours":19.45375412114158,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:27","end":"20:27","startHours":19.45375412114158,"endHours":20.45375412114158,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:27","end":"21:27","startHours":20.45375412114158,"endHours":21.45375412114158,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:27","end":"22:27","startHours":21.45375412114158,"endHours":22.45375412114158,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:27","end":"23:27","startHours":22.45375412114158,"endHours":23.45375412114158,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:27","end":"00:27","startHours":23.45375412114158,"endHours":24.45375412114158,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:27","end":"01:27","startHours":24.45375412114158,"endHours":25.45375412114158,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:27","end":"02:27","startHours":25.45375412114158,"endHours":26.45375412114158,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:27","end":"03:27","startHours":26.45375412114158,"endHours":27.45375412114158,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:27","end":"04:27","startHours":27.45375412114158,"endHours":28.45375412114158,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:27","end":"05:27","startHours":28.45375412114158,"endHours":29.45375412114158,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:27","end":"06:27","startHours":29.45375412114158,"endHours":30.45375412114158,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:27","end":"07:27","startHours":30.45375412114158,"endHours":31.45375412114158,"planetary_lord":"Saturn"}],"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":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Saumya","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-18.158900100954135,"eotMinutes":-13.172121972714217,"ayanamsa":23.3372}},"calendars":{"vikram_samvat":2020,"vikram_samvatsara":"Nala","saka_samvat":1885,"saka_samvatsara":"Śobhana","bengali_samvat":1370,"malayalam_era":1139,"nanakshahi_year":494,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Caturthī · Vikram 2020 Nala · Śaka 1885 Śobhana"},"festivals":[{"id":"angarika-chaturthi","name":"Aṅgāraka Caturthī (Tuesday Caturthī)","name_sanskrit":"अङ्गारक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa + Maṅgala","significance":"Tuesday-Caturthī (rare); supremely auspicious for Maṅgala-doṣa-nivāraṇa.","vrata":true,"detection":{"any_of":[{"tithi_number":4,"vara_name":"Maṅgalavāra (Tuesday)"},{"tithi_number":19,"vara_name":"Maṅgalavāra (Tuesday)"}]},"precedence":3},{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 29, 1963 CE · Phoenix, USA · Vidhyamitra","description":"January 29, 1963 CE for Phoenix, USA: Śukla Caturthī, sūryodaya 07:27, sūryāsta 17:56.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1963-01-29","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1963-01-29","sa":"https://sa.vidhyamitra.com/city/phoenix/1963-01-29","hi":"https://hi.vidhyamitra.com/city/phoenix/1963-01-29","x-default":"https://vidhyamitra.com/city/phoenix/1963-01-29"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-30T23:17:14.038Z","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":"2026-05-30T23:17:14.038Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-30T23:17:14.038Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}