{"id":"vidhyamitra:city-day:phoenix:1964-01-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1964-01-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1964-01-07","date_display":"January 7, 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":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438401.770833,"kali_year":5065,"ahargana":1849936.2708,"sun":{"sidereal_longitude":262.3191,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":174.5804,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":272.2613,"elapsed_within_tithi_degrees":8.2613},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":174.5804,"elapsed_within_degrees":1.247},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":76.8994},"karana":{"half_tithi_index":45,"name":"Kaulava"},"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":1964,"month":1,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2438401.770833,"ahargana":1849936.2708,"kali_year":5065,"ayanamsa_lahiri":23.3503,"grahas":{"sun":{"sidereal_longitude":262.417278,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":176.73817800000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false,"latitude":4.4934},"mars":{"sidereal_longitude":272.2803779999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":257.11677800000007,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":348.695478,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":294.78897800000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":298.36907799999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":81.4739,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":261.4739,"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":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438401.770833,"kali_year":5065,"ahargana":1849936.2708,"sun":{"sidereal_longitude":262.3191,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":174.5804,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":272.2613,"elapsed_within_tithi_degrees":8.2613},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":174.5804,"elapsed_within_degrees":1.247},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":76.8994},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.493,"elongation":87.739},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.493,"opposition_distance":92.261}},"eclipse_window_40days":[{"offset_days":8,"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":"07:34","sunsetLocal":"17:36","solarNoonLocal":"12:35","dayLengthHours":10.03148888387949,"dayLengthDisplay":"10 Hours 01 Mins 53 Secs","nightLengthDisplay":"13 Hours 58 Mins 07 Secs","moonriseLocal":"01:10","moonsetLocal":"12:34","rahuKala":{"name":"Rāhu Kāla","start":"15:05","end":"16:20","startHours":15.084340126093533,"endHours":16.33827623657847,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:04","end":"11:19","startHours":10.068595684153788,"endHours":11.322531794638724,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:35","end":"13:50","startHours":12.57646790512366,"endHours":13.830404015608597,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:54","end":"10:14","startHours":9.901404202755797,"endHours":10.23578716555178,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:59","end":"08:15","startHours":7.978702166678895,"endHours":8.246208536915681,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:15","end":"12:55","startHours":12.242084942327677,"endHours":12.910850867919644,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:13","end":"06:54","startHours":6.223191611999985,"endHours":6.89195753759195,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:43","end":"07:34","startHours":6.724766056193959,"endHours":7.560723463183916,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:15","end":"14:55","startHours":14.248382719103578,"endHours":14.917148644695544,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:24","end":"17:48","startHours":17.392212347063406,"endHours":17.792212347063405,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:36","end":"18:01","startHours":17.592212347063406,"endHours":18.010191050558383,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:21","end":"19:06","startHours":17.342212347063406,"endHours":19.092212347063406,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:15","end":"00:55","startHours":24.24208494232768,"endHours":24.910850867919642,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:34","end":"08:49","startHours":7.560723463183916,"endHours":8.814659573668852,"quality":"inauspicious"},{"name":"Udveg","start":"08:49","end":"10:04","startHours":8.814659573668852,"endHours":10.068595684153788,"quality":"inauspicious"},{"name":"Chala","start":"10:04","end":"11:19","startHours":10.068595684153788,"endHours":11.322531794638724,"quality":"neutral"},{"name":"Labha","start":"11:19","end":"12:35","startHours":11.322531794638724,"endHours":12.57646790512366,"quality":"auspicious"},{"name":"Amṛta","start":"12:35","end":"13:50","startHours":12.57646790512366,"endHours":13.830404015608597,"quality":"auspicious"},{"name":"Kāla","start":"13:50","end":"15:05","startHours":13.830404015608597,"endHours":15.084340126093533,"quality":"inauspicious"},{"name":"Śubha","start":"15:05","end":"16:20","startHours":15.084340126093533,"endHours":16.33827623657847,"quality":"auspicious"},{"name":"Roga","start":"16:20","end":"17:36","startHours":16.33827623657847,"endHours":17.592212347063406,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:36","end":"19:20","startHours":17.592212347063406,"endHours":19.33827623657847,"quality":"inauspicious"},{"name":"Śubha","start":"19:20","end":"21:05","startHours":19.33827623657847,"endHours":21.084340126093533,"quality":"auspicious"},{"name":"Roga","start":"21:05","end":"22:50","startHours":21.084340126093533,"endHours":22.830404015608597,"quality":"inauspicious"},{"name":"Udveg","start":"22:50","end":"00:35","startHours":22.830404015608597,"endHours":24.57646790512366,"quality":"inauspicious"},{"name":"Chala","start":"00:35","end":"02:19","startHours":24.57646790512366,"endHours":26.322531794638724,"quality":"neutral"},{"name":"Labha","start":"02:19","end":"04:04","startHours":26.322531794638724,"endHours":28.068595684153788,"quality":"auspicious"},{"name":"Amṛta","start":"04:04","end":"05:49","startHours":28.068595684153788,"endHours":29.814659573668852,"quality":"auspicious"},{"name":"Kāla","start":"05:49","end":"07:34","startHours":29.814659573668852,"endHours":31.560723463183916,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:34","end":"08:34","startHours":7.560723463183916,"endHours":8.560723463183916,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:34","end":"09:34","startHours":8.560723463183916,"endHours":9.560723463183916,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:34","end":"10:34","startHours":9.560723463183916,"endHours":10.560723463183916,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:34","end":"11:34","startHours":10.560723463183916,"endHours":11.560723463183916,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:34","end":"12:34","startHours":11.560723463183916,"endHours":12.560723463183916,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:34","end":"13:34","startHours":12.560723463183916,"endHours":13.560723463183916,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:34","end":"14:34","startHours":13.560723463183916,"endHours":14.560723463183916,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:34","end":"15:34","startHours":14.560723463183916,"endHours":15.560723463183916,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:34","end":"16:34","startHours":15.560723463183916,"endHours":16.560723463183916,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:34","end":"17:34","startHours":16.560723463183916,"endHours":17.560723463183916,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:34","end":"18:34","startHours":17.560723463183916,"endHours":18.560723463183916,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:34","end":"19:34","startHours":18.560723463183916,"endHours":19.560723463183916,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:34","end":"20:34","startHours":19.560723463183916,"endHours":20.560723463183916,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:34","end":"21:34","startHours":20.560723463183916,"endHours":21.560723463183916,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:34","end":"22:34","startHours":21.560723463183916,"endHours":22.560723463183916,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:34","end":"23:34","startHours":22.560723463183916,"endHours":23.560723463183916,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:34","end":"00:34","startHours":23.560723463183916,"endHours":24.560723463183916,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:34","end":"01:34","startHours":24.560723463183916,"endHours":25.560723463183916,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:34","end":"02:34","startHours":25.560723463183916,"endHours":26.560723463183916,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:34","end":"03:34","startHours":26.560723463183916,"endHours":27.560723463183916,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:34","end":"04:34","startHours":27.560723463183916,"endHours":28.560723463183916,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:34","end":"05:34","startHours":28.560723463183916,"endHours":29.560723463183916,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:34","end":"06:34","startHours":29.560723463183916,"endHours":30.560723463183916,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:34","end":"07:34","startHours":30.560723463183916,"endHours":31.560723463183916,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"North-West","rahuVasa":"North","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"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":-22.505154777213164,"eotMinutes":-6.292074307419696,"ayanamsa":23.3503}},"calendars":{"vikram_samvat":2021,"vikram_samvatsara":"Piṅgala","saka_samvat":1886,"saka_samvatsara":"Krodhi","bengali_samvat":1371,"malayalam_era":1140,"nanakshahi_year":495,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Aṣṭamī · Vikram 2021 Piṅgala · Śaka 1886 Krodhi"},"festivals":[],"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":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","relevance":0.5}]},"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 7, 1964 CE · Phoenix, USA · Vidhyamitra","description":"January 7, 1964 CE for Phoenix, USA: Kṛṣṇa Aṣṭamī, sūryodaya 07:34, sūryāsta 17:36.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1964-01-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1964-01-07","sa":"https://sa.vidhyamitra.com/city/phoenix/1964-01-07","hi":"https://hi.vidhyamitra.com/city/phoenix/1964-01-07","x-default":"https://vidhyamitra.com/city/phoenix/1964-01-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T13:56:29.741Z","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":"2026-05-31T13:56:29.741Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T13:56:29.741Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}