{"id":"vidhyamitra:city-day:phoenix:1972-01-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1972-01-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1972-01-18","date_display":"January 18, 1972 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":1972,"month":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441334.770833,"kali_year":5073,"ahargana":1852869.2708,"sun":{"sidereal_longitude":273.5469,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":292.3776,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":18.8306,"elapsed_within_tithi_degrees":6.8306},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4,"moon_longitude":292.3776,"elapsed_within_degrees":12.3776},"yoga":{"number":16,"name":"Siddhi","sum_longitude":205.9245},"karana":{"half_tithi_index":3,"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":1972,"month":1,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2441334.770833,"ahargana":1852869.2708,"kali_year":5073,"ayanamsa_lahiri":23.4625,"grahas":{"sun":{"sidereal_longitude":273.57171600000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":293.514416,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false,"latitude":0.4939},"mars":{"sidereal_longitude":351.411116,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":255.686916,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":243.30341599999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"venus":{"sidereal_longitude":308.652116,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":36.640315999999984,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":286.0694,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":106.0694,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":1972,"month":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441334.770833,"kali_year":5073,"ahargana":1852869.2708,"sun":{"sidereal_longitude":273.5469,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":292.3776,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":18.8306,"elapsed_within_tithi_degrees":6.8306},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4,"moon_longitude":292.3776,"elapsed_within_degrees":12.3776},"yoga":{"number":16,"name":"Siddhi","sum_longitude":205.9245},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.494,"elongation":18.831},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.494,"opposition_distance":161.169}},"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":"07:32","sunsetLocal":"17:45","solarNoonLocal":"12:39","dayLengthHours":10.21426003035915,"dayLengthDisplay":"10 Hours 12 Mins 51 Secs","nightLengthDisplay":"13 Hours 47 Mins 09 Secs","moonriseLocal":"08:38","moonsetLocal":"19:18","rahuKala":{"name":"Rāhu Kāla","start":"15:12","end":"16:28","startHours":15.197652167284616,"endHours":16.474434671079507,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:05","end":"11:22","startHours":10.090522152105041,"endHours":11.367304655899934,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:39","end":"13:55","startHours":12.644087159694827,"endHours":13.920869663489722,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:55","end":"10:16","startHours":9.920284484932388,"endHours":10.260759819277693,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:58","end":"08:14","startHours":7.962551312446885,"endHours":8.23493157992313,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:18","end":"12:59","startHours":12.303611825349522,"endHours":12.984562494040132,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:11","end":"06:51","startHours":6.175055807134033,"endHours":6.8560064758246435,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:41","end":"07:32","startHours":6.685768808651991,"endHours":7.536957144515253,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:21","end":"15:02","startHours":14.346463831421353,"endHours":15.027414500111963,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:33","end":"17:57","startHours":17.551217174874402,"endHours":17.9512171748744,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:45","end":"18:11","startHours":17.7512171748744,"endHours":18.176811342806033,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:30","end":"19:15","startHours":17.5012171748744,"endHours":19.2512171748744,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:18","end":"00:59","startHours":24.30361182534952,"endHours":24.984562494040134,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:32","end":"08:49","startHours":7.536957144515253,"endHours":8.813739648310147,"quality":"inauspicious"},{"name":"Udveg","start":"08:49","end":"10:05","startHours":8.813739648310147,"endHours":10.090522152105041,"quality":"inauspicious"},{"name":"Chala","start":"10:05","end":"11:22","startHours":10.090522152105041,"endHours":11.367304655899934,"quality":"neutral"},{"name":"Labha","start":"11:22","end":"12:39","startHours":11.367304655899934,"endHours":12.644087159694827,"quality":"auspicious"},{"name":"Amṛta","start":"12:39","end":"13:55","startHours":12.644087159694827,"endHours":13.920869663489722,"quality":"auspicious"},{"name":"Kāla","start":"13:55","end":"15:12","startHours":13.920869663489722,"endHours":15.197652167284616,"quality":"inauspicious"},{"name":"Śubha","start":"15:12","end":"16:28","startHours":15.197652167284616,"endHours":16.474434671079507,"quality":"auspicious"},{"name":"Roga","start":"16:28","end":"17:45","startHours":16.474434671079507,"endHours":17.7512171748744,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:45","end":"19:28","startHours":17.7512171748744,"endHours":19.474434671079507,"quality":"inauspicious"},{"name":"Śubha","start":"19:28","end":"21:12","startHours":19.474434671079507,"endHours":21.197652167284616,"quality":"auspicious"},{"name":"Roga","start":"21:12","end":"22:55","startHours":21.197652167284616,"endHours":22.92086966348972,"quality":"inauspicious"},{"name":"Udveg","start":"22:55","end":"00:39","startHours":22.92086966348972,"endHours":24.644087159694827,"quality":"inauspicious"},{"name":"Chala","start":"00:39","end":"02:22","startHours":24.644087159694827,"endHours":26.367304655899932,"quality":"neutral"},{"name":"Labha","start":"02:22","end":"04:05","startHours":26.367304655899932,"endHours":28.090522152105038,"quality":"auspicious"},{"name":"Amṛta","start":"04:05","end":"05:49","startHours":28.090522152105038,"endHours":29.813739648310147,"quality":"auspicious"},{"name":"Kāla","start":"05:49","end":"07:32","startHours":29.813739648310147,"endHours":31.536957144515252,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:32","end":"08:32","startHours":7.536957144515253,"endHours":8.536957144515252,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:32","end":"09:32","startHours":8.536957144515252,"endHours":9.536957144515252,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:32","end":"10:32","startHours":9.536957144515252,"endHours":10.536957144515252,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:32","end":"11:32","startHours":10.536957144515252,"endHours":11.536957144515252,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:32","end":"12:32","startHours":11.536957144515252,"endHours":12.536957144515252,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:32","end":"13:32","startHours":12.536957144515252,"endHours":13.536957144515252,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:32","end":"14:32","startHours":13.536957144515252,"endHours":14.536957144515252,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:32","end":"15:32","startHours":14.536957144515252,"endHours":15.536957144515252,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:32","end":"16:32","startHours":15.536957144515252,"endHours":16.536957144515252,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:32","end":"17:32","startHours":16.536957144515252,"endHours":17.536957144515252,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:32","end":"18:32","startHours":17.536957144515252,"endHours":18.536957144515252,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:32","end":"19:32","startHours":18.536957144515252,"endHours":19.536957144515252,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:32","end":"20:32","startHours":19.536957144515252,"endHours":20.536957144515252,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:32","end":"21:32","startHours":20.536957144515252,"endHours":21.536957144515252,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:32","end":"22:32","startHours":21.536957144515252,"endHours":22.536957144515252,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:32","end":"23:32","startHours":22.536957144515252,"endHours":23.536957144515252,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:32","end":"00:32","startHours":23.536957144515252,"endHours":24.536957144515252,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:32","end":"01:32","startHours":24.536957144515252,"endHours":25.536957144515252,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:32","end":"02:32","startHours":25.536957144515252,"endHours":26.536957144515252,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:32","end":"03:32","startHours":26.536957144515252,"endHours":27.536957144515252,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:32","end":"04:32","startHours":27.536957144515252,"endHours":28.536957144515252,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:32","end":"05:32","startHours":28.536957144515252,"endHours":29.536957144515252,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:32","end":"06:32","startHours":29.536957144515252,"endHours":30.536957144515252,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:32","end":"07:32","startHours":30.536957144515252,"endHours":31.536957144515252,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"North","anandadiYoga":{"name":"Kāladaṇḍa","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-20.7489758995053,"eotMinutes":-10.349229581689698,"ayanamsa":23.4625}},"calendars":{"vikram_samvat":2029,"vikram_samvatsara":"Krodhana","saka_samvat":1894,"saka_samvatsara":"Paridhāvi","bengali_samvat":1379,"malayalam_era":1148,"nanakshahi_year":503,"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 Dvitīyā · Vikram 2029 Krodhana · Śaka 1894 Paridhāvi"},"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":[]},"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 18, 1972 CE · Phoenix, USA · Vidhyamitra","description":"January 18, 1972 CE for Phoenix, USA: Śukla Dvitīyā, sūryodaya 07:32, sūryāsta 17:45.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1972-01-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1972-01-18","sa":"https://sa.vidhyamitra.com/city/phoenix/1972-01-18","hi":"https://hi.vidhyamitra.com/city/phoenix/1972-01-18","x-default":"https://vidhyamitra.com/city/phoenix/1972-01-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T06:40:55.320Z","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":"2026-06-01T06:40:55.320Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T06:40:55.320Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}