{"id":"vidhyamitra:city-day:phoenix:1858-01-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1858-01-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1858-01-13","date_display":"January 13, 1858 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":1858,"month":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2399692.770833,"kali_year":4959,"ahargana":1811227.2708,"sun":{"sidereal_longitude":270.9787,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":245.2526,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":334.2739,"elapsed_within_tithi_degrees":10.2739},"nakshatra":{"number":19,"name":"Mūla","pada":2,"moon_longitude":245.2526,"elapsed_within_degrees":5.2526},"yoga":{"number":12,"name":"Dhruva","sum_longitude":156.2313},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"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":1858,"month":1,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2399692.770833,"ahargana":1811227.2708,"kali_year":4959,"ayanamsa_lahiri":21.8698,"grahas":{"sun":{"sidereal_longitude":270.75844699999993,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":246.32724699999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false,"latitude":-4.4947},"mars":{"sidereal_longitude":192.56334700000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":277.855047,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":15.637647000000015,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":261.51384699999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":94.49104699999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":332.463,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":152.463,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"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":1858,"month":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2399692.770833,"kali_year":4959,"ahargana":1811227.2708,"sun":{"sidereal_longitude":270.9787,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":245.2526,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":334.2739,"elapsed_within_tithi_degrees":10.2739},"nakshatra":{"number":19,"name":"Mūla","pada":2,"moon_longitude":245.2526,"elapsed_within_degrees":5.2526},"yoga":{"number":12,"name":"Dhruva","sum_longitude":156.2313},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.495,"elongation":25.726},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.495,"opposition_distance":154.274}},"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":10.132829269709553,"dayLengthDisplay":"10 Hours 07 Mins 58 Secs","nightLengthDisplay":"13 Hours 52 Mins 02 Secs","moonriseLocal":"06:03","moonsetLocal":"15:56","rahuKala":{"name":"Rāhu Kāla","start":"12:37","end":"13:53","startHours":12.615532191522892,"endHours":13.882135850236587,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:49","end":"10:05","startHours":8.81572121538181,"endHours":10.082324874095505,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:21","end":"12:37","startHours":11.348928532809198,"endHours":12.615532191522892,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:55","end":"10:15","startHours":9.913444386267011,"endHours":10.251205361923997,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:58","end":"08:14","startHours":7.971318776239348,"endHours":8.241527556764936,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:17","end":"12:57","startHours":12.277771215865906,"endHours":12.953293167179877,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:12","end":"06:52","startHours":6.198073654040176,"endHours":6.873595605354145,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:42","end":"07:33","startHours":6.704715117525653,"endHours":7.549117556668116,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:18","end":"14:59","startHours":14.304337069807818,"endHours":14.979859021121788,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:29","end":"17:53","startHours":17.48194682637767,"endHours":17.881946826377668,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:41","end":"18:06","startHours":17.68194682637767,"endHours":18.1041480459489,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:26","end":"19:11","startHours":17.43194682637767,"endHours":19.18194682637767,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:17","end":"00:57","startHours":24.277771215865908,"endHours":24.953293167179876,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:33","end":"08:49","startHours":7.549117556668116,"endHours":8.81572121538181,"quality":"auspicious"},{"name":"Amṛta","start":"08:49","end":"10:05","startHours":8.81572121538181,"endHours":10.082324874095505,"quality":"auspicious"},{"name":"Kāla","start":"10:05","end":"11:21","startHours":10.082324874095505,"endHours":11.348928532809198,"quality":"inauspicious"},{"name":"Śubha","start":"11:21","end":"12:37","startHours":11.348928532809198,"endHours":12.615532191522892,"quality":"auspicious"},{"name":"Roga","start":"12:37","end":"13:53","startHours":12.615532191522892,"endHours":13.882135850236587,"quality":"inauspicious"},{"name":"Udveg","start":"13:53","end":"15:09","startHours":13.882135850236587,"endHours":15.148739508950282,"quality":"inauspicious"},{"name":"Chala","start":"15:09","end":"16:25","startHours":15.148739508950282,"endHours":16.415343167663973,"quality":"neutral"},{"name":"Labha","start":"16:25","end":"17:41","startHours":16.415343167663973,"endHours":17.68194682637767,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:41","end":"19:25","startHours":17.68194682637767,"endHours":19.415343167663973,"quality":"inauspicious"},{"name":"Chala","start":"19:25","end":"21:09","startHours":19.415343167663973,"endHours":21.14873950895028,"quality":"neutral"},{"name":"Labha","start":"21:09","end":"22:53","startHours":21.14873950895028,"endHours":22.882135850236587,"quality":"auspicious"},{"name":"Amṛta","start":"22:53","end":"00:37","startHours":22.882135850236587,"endHours":24.61553219152289,"quality":"auspicious"},{"name":"Kāla","start":"00:37","end":"02:21","startHours":24.61553219152289,"endHours":26.348928532809197,"quality":"inauspicious"},{"name":"Śubha","start":"02:21","end":"04:05","startHours":26.348928532809197,"endHours":28.082324874095505,"quality":"auspicious"},{"name":"Roga","start":"04:05","end":"05:49","startHours":28.082324874095505,"endHours":29.81572121538181,"quality":"inauspicious"},{"name":"Udveg","start":"05:49","end":"07:33","startHours":29.81572121538181,"endHours":31.549117556668115,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:33","end":"08:33","startHours":7.549117556668116,"endHours":8.549117556668115,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:33","end":"09:33","startHours":8.549117556668115,"endHours":9.549117556668115,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:33","end":"10:33","startHours":9.549117556668115,"endHours":10.549117556668115,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:33","end":"11:33","startHours":10.549117556668115,"endHours":11.549117556668115,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:33","end":"12:33","startHours":11.549117556668115,"endHours":12.549117556668115,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:33","end":"13:33","startHours":12.549117556668115,"endHours":13.549117556668115,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:33","end":"14:33","startHours":13.549117556668115,"endHours":14.549117556668115,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:33","end":"15:33","startHours":14.549117556668115,"endHours":15.549117556668115,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:33","end":"16:33","startHours":15.549117556668115,"endHours":16.549117556668115,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:33","end":"17:33","startHours":16.549117556668115,"endHours":17.549117556668115,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:33","end":"18:33","startHours":17.549117556668115,"endHours":18.549117556668115,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:33","end":"19:33","startHours":18.549117556668115,"endHours":19.549117556668115,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:33","end":"20:33","startHours":19.549117556668115,"endHours":20.549117556668115,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:33","end":"21:33","startHours":20.549117556668115,"endHours":21.549117556668115,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:33","end":"22:33","startHours":21.549117556668115,"endHours":22.549117556668115,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:33","end":"23:33","startHours":22.549117556668115,"endHours":23.549117556668115,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:33","end":"00:33","startHours":23.549117556668115,"endHours":24.549117556668115,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:33","end":"01:33","startHours":24.549117556668115,"endHours":25.549117556668115,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:33","end":"02:33","startHours":25.549117556668115,"endHours":26.549117556668115,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:33","end":"03:33","startHours":26.549117556668115,"endHours":27.549117556668115,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:33","end":"04:33","startHours":27.549117556668115,"endHours":28.549117556668115,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:33","end":"05:33","startHours":28.549117556668115,"endHours":29.549117556668115,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:33","end":"06:33","startHours":29.549117556668115,"endHours":30.549117556668115,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:33","end":"07:33","startHours":30.549117556668115,"endHours":31.549117556668115,"planetary_lord":"Sun"}],"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","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"South-West","anandadiYoga":{"name":"Dhūmra","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":-21.53781834596288,"eotMinutes":-8.635931491373626,"ayanamsa":21.8698}},"calendars":{"vikram_samvat":1915,"vikram_samvatsara":"Prajāpati","saka_samvat":1780,"saka_samvatsara":"Kālayukta","bengali_samvat":1265,"malayalam_era":1034,"nanakshahi_year":389,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","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 Kṛṣṇa Trayodaśī · Vikram 1915 Prajāpati · Śaka 1780 Kālayukta"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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 13, 1858 CE · Phoenix, USA · Vidhyamitra","description":"January 13, 1858 CE for Phoenix, USA: Kṛṣṇa Trayodaśī, sūryodaya 07:33, sūryāsta 17:41.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1858-01-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1858-01-13","sa":"https://sa.vidhyamitra.com/city/phoenix/1858-01-13","hi":"https://hi.vidhyamitra.com/city/phoenix/1858-01-13","x-default":"https://vidhyamitra.com/city/phoenix/1858-01-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T23:10:10.576Z","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":"2026-06-02T23:10:10.576Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T23:10:10.576Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}