{"id":"vidhyamitra:city-day:phoenix:1964-01-29:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1964-01-29","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1964-01-29","date_display":"January 29, 1964 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":1964,"month":1,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438423.770833,"kali_year":5065,"ahargana":1849958.2708,"sun":{"sidereal_longitude":284.8913,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":107.4534,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":182.5621,"elapsed_within_tithi_degrees":2.5621},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1,"moon_longitude":107.4534,"elapsed_within_degrees":0.7868},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":32.3447},"karana":{"half_tithi_index":30,"name":"Bālava"},"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":1964,"month":1,"day":29,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2438423.770833,"ahargana":1849958.2708,"kali_year":5065,"ayanamsa_lahiri":23.3512,"grahas":{"sun":{"sidereal_longitude":284.81323799999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"moon":{"sidereal_longitude":105.69603799999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false,"latitude":2.0514},"mars":{"sidereal_longitude":289.53843800000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":260.620238,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":351.662738,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":321.691638,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":300.845238,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":80.3082,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":260.3082,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":1964,"month":1,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438423.770833,"kali_year":5065,"ahargana":1849958.2708,"sun":{"sidereal_longitude":284.8913,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":107.4534,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":182.5621,"elapsed_within_tithi_degrees":2.5621},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1,"moon_longitude":107.4534,"elapsed_within_degrees":0.7868},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":32.3447},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.051,"elongation":177.438},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.051,"opposition_distance":2.562}},"eclipse_window_40days":[{"offset_days":-14,"type":"solar","occurs":true,"moon_latitude":-0.89,"elongation":1.925}]},"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":10.468449147032764,"dayLengthDisplay":"10 Hours 28 Mins 06 Secs","nightLengthDisplay":"13 Hours 31 Mins 54 Secs","moonriseLocal":"17:52","moonsetLocal":"07:38","rahuKala":{"name":"Rāhu Kāla","start":"12:41","end":"14:00","startHours":12.691135366211903,"endHours":13.999691509590999,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:46","end":"10:04","startHours":8.765466936074617,"endHours":10.074023079453713,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:23","end":"12:41","startHours":11.382579222832808,"endHours":12.691135366211903,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:54","end":"10:15","startHours":9.899548927003167,"endHours":10.248497231904258,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:54","end":"08:10","startHours":7.8930961738218866,"endHours":8.17225481774276,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:21","end":"13:02","startHours":12.34218706131081,"endHours":13.040083671112995,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:04","end":"06:46","startHours":6.061117573091153,"endHours":6.759014182893337,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:35","end":"07:27","startHours":6.584540030442791,"endHours":7.456910792695521,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:08","startHours":14.435876890717363,"endHours":15.133773500519547,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:44","end":"18:08","startHours":17.725359939728285,"endHours":18.125359939728284,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:56","end":"18:22","startHours":17.925359939728285,"endHours":18.36154532085465,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:41","end":"19:26","startHours":17.675359939728285,"endHours":19.425359939728285,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:21","end":"01:02","startHours":24.34218706131081,"endHours":25.040083671112995,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:27","end":"08:46","startHours":7.456910792695521,"endHours":8.765466936074617,"quality":"auspicious"},{"name":"Amṛta","start":"08:46","end":"10:04","startHours":8.765466936074617,"endHours":10.074023079453713,"quality":"auspicious"},{"name":"Kāla","start":"10:04","end":"11:23","startHours":10.074023079453713,"endHours":11.382579222832808,"quality":"inauspicious"},{"name":"Śubha","start":"11:23","end":"12:41","startHours":11.382579222832808,"endHours":12.691135366211903,"quality":"auspicious"},{"name":"Roga","start":"12:41","end":"14:00","startHours":12.691135366211903,"endHours":13.999691509590999,"quality":"inauspicious"},{"name":"Udveg","start":"14:00","end":"15:18","startHours":13.999691509590999,"endHours":15.308247652970095,"quality":"inauspicious"},{"name":"Chala","start":"15:18","end":"16:37","startHours":15.308247652970095,"endHours":16.61680379634919,"quality":"neutral"},{"name":"Labha","start":"16:37","end":"17:56","startHours":16.61680379634919,"endHours":17.925359939728285,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:56","end":"19:37","startHours":17.925359939728285,"endHours":19.61680379634919,"quality":"inauspicious"},{"name":"Chala","start":"19:37","end":"21:18","startHours":19.61680379634919,"endHours":21.308247652970095,"quality":"neutral"},{"name":"Labha","start":"21:18","end":"23:00","startHours":21.308247652970095,"endHours":22.999691509591,"quality":"auspicious"},{"name":"Amṛta","start":"23:00","end":"00:41","startHours":22.999691509591,"endHours":24.691135366211903,"quality":"auspicious"},{"name":"Kāla","start":"00:41","end":"02:23","startHours":24.691135366211903,"endHours":26.382579222832806,"quality":"inauspicious"},{"name":"Śubha","start":"02:23","end":"04:04","startHours":26.382579222832806,"endHours":28.07402307945371,"quality":"auspicious"},{"name":"Roga","start":"04:04","end":"05:46","startHours":28.07402307945371,"endHours":29.765466936074617,"quality":"inauspicious"},{"name":"Udveg","start":"05:46","end":"07:27","startHours":29.765466936074617,"endHours":31.45691079269552,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:27","end":"08:27","startHours":7.456910792695521,"endHours":8.45691079269552,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:27","end":"09:27","startHours":8.45691079269552,"endHours":9.45691079269552,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:27","end":"10:27","startHours":9.45691079269552,"endHours":10.45691079269552,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:27","end":"11:27","startHours":10.45691079269552,"endHours":11.45691079269552,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:27","end":"12:27","startHours":11.45691079269552,"endHours":12.45691079269552,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:27","end":"13:27","startHours":12.45691079269552,"endHours":13.45691079269552,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:27","end":"14:27","startHours":13.45691079269552,"endHours":14.45691079269552,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:27","end":"15:27","startHours":14.45691079269552,"endHours":15.45691079269552,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:27","end":"16:27","startHours":15.45691079269552,"endHours":16.45691079269552,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:27","end":"17:27","startHours":16.45691079269552,"endHours":17.45691079269552,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:27","end":"18:27","startHours":17.45691079269552,"endHours":18.45691079269552,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:27","end":"19:27","startHours":18.45691079269552,"endHours":19.45691079269552,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:27","end":"20:27","startHours":19.45691079269552,"endHours":20.45691079269552,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:27","end":"21:27","startHours":20.45691079269552,"endHours":21.45691079269552,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:27","end":"22:27","startHours":21.45691079269552,"endHours":22.45691079269552,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:27","end":"23:27","startHours":22.45691079269552,"endHours":23.45691079269552,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:27","end":"00:27","startHours":23.45691079269552,"endHours":24.45691079269552,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:27","end":"01:27","startHours":24.45691079269552,"endHours":25.45691079269552,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:27","end":"02:27","startHours":25.45691079269552,"endHours":26.45691079269552,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:27","end":"03:27","startHours":26.45691079269552,"endHours":27.45691079269552,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:27","end":"04:27","startHours":27.45691079269552,"endHours":28.45691079269552,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:27","end":"05:27","startHours":28.45691079269552,"endHours":29.45691079269552,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:27","end":"06:27","startHours":29.45691079269552,"endHours":30.45691079269552,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:27","end":"07:27","startHours":30.45691079269552,"endHours":31.45691079269552,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"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":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"South-West","anandadiYoga":{"name":"Amṛta","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":-18.222828756137478,"eotMinutes":-13.172121972714217,"ayanamsa":23.3512}},"calendars":{"vikram_samvat":2021,"vikram_samvatsara":"Piṅgala","saka_samvat":1886,"saka_samvatsara":"Krodhi","bengali_samvat":1371,"malayalam_era":1140,"nanakshahi_year":495,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","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":"Phālguna Kṛṣṇa Pratipada · Vikram 2021 Piṅgala · Śaka 1886 Krodhi"},"festivals":[],"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 29, 1964 CE · Phoenix, USA · Vidhyamitra","description":"January 29, 1964 CE for Phoenix, USA: Kṛṣṇa Pratipada, sūryodaya 07:27, sūryāsta 17:56.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1964-01-29","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1964-01-29","sa":"https://sa.vidhyamitra.com/city/phoenix/1964-01-29","hi":"https://hi.vidhyamitra.com/city/phoenix/1964-01-29","x-default":"https://vidhyamitra.com/city/phoenix/1964-01-29"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T06:52:14.059Z","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":"2026-06-01T06:52:14.059Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T06:52:14.059Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}