{"id":"vidhyamitra:city-day:phoenix:1925-01-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1925-01-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1925-01-13","date_display":"January 13, 1925 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":1925,"month":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2424163.770833,"kali_year":5026,"ahargana":1835698.2708,"sun":{"sidereal_longitude":269.606,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":124.1729,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":214.5669,"elapsed_within_tithi_degrees":10.5669},"nakshatra":{"number":10,"name":"Maghā","pada":2,"moon_longitude":124.1729,"elapsed_within_degrees":4.1729},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":33.7789},"karana":{"half_tithi_index":35,"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":1925,"month":1,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2424163.770833,"ahargana":1835698.2708,"kali_year":5026,"ayanamsa_lahiri":22.8058,"grahas":{"sun":{"sidereal_longitude":269.5526749999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":121.65077500000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false,"latitude":0.649},"mars":{"sidereal_longitude":353.387875,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":247.18087500000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":254.75277500000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":245.89777500000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":200.37037499999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":115.8716,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":295.8716,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"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":1925,"month":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2424163.770833,"kali_year":5026,"ahargana":1835698.2708,"sun":{"sidereal_longitude":269.606,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":124.1729,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":214.5669,"elapsed_within_tithi_degrees":10.5669},"nakshatra":{"number":10,"name":"Maghā","pada":2,"moon_longitude":124.1729,"elapsed_within_degrees":4.1729},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":33.7789},"karana":{"half_tithi_index":35,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.649,"elongation":145.433},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.649,"opposition_distance":34.567}},"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":"17:41","solarNoonLocal":"12:37","dayLengthHours":10.12824166046159,"dayLengthDisplay":"10 Hours 07 Mins 42 Secs","nightLengthDisplay":"13 Hours 52 Mins 18 Secs","moonriseLocal":"20:06","moonsetLocal":"09:24","rahuKala":{"name":"Rāhu Kāla","start":"15:09","end":"16:25","startHours":15.14759260663829,"endHours":16.41362281419599,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:05","end":"11:21","startHours":10.083471776407494,"endHours":11.349501983965194,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:37","end":"13:53","startHours":12.615532191522892,"endHours":13.88156239908059,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:55","end":"10:15","startHours":9.914667748733134,"endHours":10.252275804081854,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:58","end":"08:15","startHours":7.9734214304779965,"endHours":8.243507874756972,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:17","end":"12:57","startHours":12.277924136174173,"endHours":12.95314024687161,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:12","end":"06:53","startHours":6.200979139897218,"endHours":6.876195250594657,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:42","end":"07:33","startHours":6.707391222920298,"endHours":7.551411361292097,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:18","end":"14:59","startHours":14.303572468266491,"endHours":14.97878857896393,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:29","end":"17:53","startHours":17.479653021753688,"endHours":17.879653021753686,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:41","end":"18:06","startHours":17.679653021753687,"endHours":18.101663090939585,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:26","end":"19:11","startHours":17.429653021753687,"endHours":19.179653021753687,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:17","end":"00:57","startHours":24.27792413617417,"endHours":24.953140246871612,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:33","end":"08:49","startHours":7.551411361292097,"endHours":8.817441568849794,"quality":"inauspicious"},{"name":"Udveg","start":"08:49","end":"10:05","startHours":8.817441568849794,"endHours":10.083471776407494,"quality":"inauspicious"},{"name":"Chala","start":"10:05","end":"11:21","startHours":10.083471776407494,"endHours":11.349501983965194,"quality":"neutral"},{"name":"Labha","start":"11:21","end":"12:37","startHours":11.349501983965194,"endHours":12.615532191522892,"quality":"auspicious"},{"name":"Amṛta","start":"12:37","end":"13:53","startHours":12.615532191522892,"endHours":13.88156239908059,"quality":"auspicious"},{"name":"Kāla","start":"13:53","end":"15:09","startHours":13.88156239908059,"endHours":15.14759260663829,"quality":"inauspicious"},{"name":"Śubha","start":"15:09","end":"16:25","startHours":15.14759260663829,"endHours":16.41362281419599,"quality":"auspicious"},{"name":"Roga","start":"16:25","end":"17:41","startHours":16.41362281419599,"endHours":17.679653021753687,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:41","end":"19:25","startHours":17.679653021753687,"endHours":19.41362281419599,"quality":"inauspicious"},{"name":"Śubha","start":"19:25","end":"21:09","startHours":19.41362281419599,"endHours":21.14759260663829,"quality":"auspicious"},{"name":"Roga","start":"21:09","end":"22:53","startHours":21.14759260663829,"endHours":22.88156239908059,"quality":"inauspicious"},{"name":"Udveg","start":"22:53","end":"00:37","startHours":22.88156239908059,"endHours":24.61553219152289,"quality":"inauspicious"},{"name":"Chala","start":"00:37","end":"02:21","startHours":24.61553219152289,"endHours":26.349501983965194,"quality":"neutral"},{"name":"Labha","start":"02:21","end":"04:05","startHours":26.349501983965194,"endHours":28.083471776407492,"quality":"auspicious"},{"name":"Amṛta","start":"04:05","end":"05:49","startHours":28.083471776407492,"endHours":29.817441568849794,"quality":"auspicious"},{"name":"Kāla","start":"05:49","end":"07:33","startHours":29.817441568849794,"endHours":31.551411361292097,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:33","end":"08:33","startHours":7.551411361292097,"endHours":8.551411361292097,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:33","end":"09:33","startHours":8.551411361292097,"endHours":9.551411361292097,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:33","end":"10:33","startHours":9.551411361292097,"endHours":10.551411361292097,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:33","end":"11:33","startHours":10.551411361292097,"endHours":11.551411361292097,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:33","end":"12:33","startHours":11.551411361292097,"endHours":12.551411361292097,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:33","end":"13:33","startHours":12.551411361292097,"endHours":13.551411361292097,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:33","end":"14:33","startHours":13.551411361292097,"endHours":14.551411361292097,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:33","end":"15:33","startHours":14.551411361292097,"endHours":15.551411361292097,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:33","end":"16:33","startHours":15.551411361292097,"endHours":16.551411361292097,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:33","end":"17:33","startHours":16.551411361292097,"endHours":17.551411361292097,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:33","end":"18:33","startHours":17.551411361292097,"endHours":18.551411361292097,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:33","end":"19:33","startHours":18.551411361292097,"endHours":19.551411361292097,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:33","end":"20:33","startHours":19.551411361292097,"endHours":20.551411361292097,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:33","end":"21:33","startHours":20.551411361292097,"endHours":21.551411361292097,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:33","end":"22:33","startHours":21.551411361292097,"endHours":22.551411361292097,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:33","end":"23:33","startHours":22.551411361292097,"endHours":23.551411361292097,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:33","end":"00:33","startHours":23.551411361292097,"endHours":24.551411361292097,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:33","end":"01:33","startHours":24.551411361292097,"endHours":25.551411361292097,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:33","end":"02:33","startHours":25.551411361292097,"endHours":26.551411361292097,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:33","end":"03:33","startHours":26.551411361292097,"endHours":27.551411361292097,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:33","end":"04:33","startHours":27.551411361292097,"endHours":28.551411361292097,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:33","end":"05:33","startHours":28.551411361292097,"endHours":29.551411361292097,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:33","end":"06:33","startHours":29.551411361292097,"endHours":30.551411361292097,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:33","end":"07:33","startHours":30.551411361292097,"endHours":31.551411361292097,"planetary_lord":"Saturn"}],"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":"North (Uttara)","chandraVasa":"West","rahuVasa":"North","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-21.58195575665989,"eotMinutes":-8.635931491373626,"ayanamsa":22.8058}},"calendars":{"vikram_samvat":1982,"vikram_samvatsara":"Bahudhānya","saka_samvat":1847,"saka_samvatsara":"Krodhana","bengali_samvat":1332,"malayalam_era":1101,"nanakshahi_year":456,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Tṛtīyā · Vikram 1982 Bahudhānya · Śaka 1847 Krodhana"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":5}],"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 13, 1925 CE · Phoenix, USA · Vidhyamitra","description":"January 13, 1925 CE for Phoenix, USA: Kṛṣṇa Tṛtīyā, sūryodaya 07:33, sūryāsta 17:41.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1925-01-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1925-01-13","sa":"https://sa.vidhyamitra.com/city/phoenix/1925-01-13","hi":"https://hi.vidhyamitra.com/city/phoenix/1925-01-13","x-default":"https://vidhyamitra.com/city/phoenix/1925-01-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-25T04:17:31.793Z","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":"2026-05-25T04:17:31.793Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-25T04:17:31.793Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}