{"id":"vidhyamitra:city-day:phoenix:2158-01-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2158-01-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2158-01-01","date_display":"January 1, 2158 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":2158,"month":1,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2509253.770833,"kali_year":5259,"ahargana":1920788.2708,"sun":{"sidereal_longitude":253.8901,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":257.0771,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":3.187,"elapsed_within_tithi_degrees":3.187},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2,"moon_longitude":257.0771,"elapsed_within_degrees":3.7437},"yoga":{"number":12,"name":"Dhruva","sum_longitude":150.9671},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2158,"month":1,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2509253.770833,"ahargana":1920788.2708,"kali_year":5259,"ayanamsa_lahiri":26.0601,"grahas":{"sun":{"sidereal_longitude":254.51721099999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":258.261611,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false,"latitude":-2.2698},"mars":{"sidereal_longitude":301.96611099999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":245.09801100000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":136.10981100000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":213.70681100000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":168.16711099999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":287.3939,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":107.3939,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":2158,"month":1,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2509253.770833,"kali_year":5259,"ahargana":1920788.2708,"sun":{"sidereal_longitude":253.8901,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":257.0771,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":3.187,"elapsed_within_tithi_degrees":3.187},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2,"moon_longitude":257.0771,"elapsed_within_degrees":3.7437},"yoga":{"number":12,"name":"Dhruva","sum_longitude":150.9671},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.27,"elongation":3.187},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.27,"opposition_distance":176.813}},"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":"17:31","solarNoonLocal":"12:32","dayLengthHours":9.977366599835896,"dayLengthDisplay":"9 Hours 58 Mins 39 Secs","nightLengthDisplay":"14 Hours 01 Mins 21 Secs","moonriseLocal":"07:48","moonsetLocal":"17:46","rahuKala":{"name":"Rāhu Kāla","start":"16:16","end":"17:31","startHours":16.27486544699506,"endHours":17.52203627197455,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:32","end":"13:47","startHours":12.533352972056601,"endHours":13.78052379703609,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:02","end":"16:16","startHours":15.027694622015577,"endHours":16.27486544699506,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:52","end":"10:12","startHours":9.87272187876703,"endHours":10.205300765428227,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:58","end":"08:14","startHours":7.96039328046515,"endHours":8.226456389794107,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:12","end":"12:52","startHours":12.200774085395405,"endHours":12.865931858717797,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:13","end":"06:53","startHours":6.214354125493868,"endHours":6.8795118988162605,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:43","end":"07:33","startHours":6.7132224554856625,"endHours":7.544669672138654,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:12","end":"14:52","startHours":14.196247405362584,"endHours":14.861405178684977,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:19","end":"17:43","startHours":17.32203627197455,"endHours":17.72203627197455,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:31","end":"17:56","startHours":17.52203627197455,"endHours":17.937759880301044,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:16","end":"19:01","startHours":17.27203627197455,"endHours":19.02203627197455,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:12","end":"00:52","startHours":24.200774085395405,"endHours":24.865931858717797,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:33","end":"08:48","startHours":7.544669672138654,"endHours":8.791840497118141,"quality":"inauspicious"},{"name":"Chala","start":"08:48","end":"10:02","startHours":8.791840497118141,"endHours":10.039011322097629,"quality":"neutral"},{"name":"Labha","start":"10:02","end":"11:17","startHours":10.039011322097629,"endHours":11.286182147077115,"quality":"auspicious"},{"name":"Amṛta","start":"11:17","end":"12:32","startHours":11.286182147077115,"endHours":12.533352972056601,"quality":"auspicious"},{"name":"Kāla","start":"12:32","end":"13:47","startHours":12.533352972056601,"endHours":13.78052379703609,"quality":"inauspicious"},{"name":"Śubha","start":"13:47","end":"15:02","startHours":13.78052379703609,"endHours":15.027694622015577,"quality":"auspicious"},{"name":"Roga","start":"15:02","end":"16:16","startHours":15.027694622015577,"endHours":16.27486544699506,"quality":"inauspicious"},{"name":"Udveg","start":"16:16","end":"17:31","startHours":16.27486544699506,"endHours":17.52203627197455,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:31","end":"19:16","startHours":17.52203627197455,"endHours":19.27486544699506,"quality":"auspicious"},{"name":"Roga","start":"19:16","end":"21:02","startHours":19.27486544699506,"endHours":21.027694622015574,"quality":"inauspicious"},{"name":"Udveg","start":"21:02","end":"22:47","startHours":21.027694622015574,"endHours":22.78052379703609,"quality":"inauspicious"},{"name":"Chala","start":"22:47","end":"00:32","startHours":22.78052379703609,"endHours":24.5333529720566,"quality":"neutral"},{"name":"Labha","start":"00:32","end":"02:17","startHours":24.5333529720566,"endHours":26.286182147077113,"quality":"auspicious"},{"name":"Amṛta","start":"02:17","end":"04:02","startHours":26.286182147077113,"endHours":28.03901132209763,"quality":"auspicious"},{"name":"Kāla","start":"04:02","end":"05:48","startHours":28.03901132209763,"endHours":29.79184049711814,"quality":"inauspicious"},{"name":"Śubha","start":"05:48","end":"07:33","startHours":29.79184049711814,"endHours":31.544669672138653,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:33","end":"08:33","startHours":7.544669672138654,"endHours":8.544669672138653,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:33","end":"09:33","startHours":8.544669672138653,"endHours":9.544669672138653,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:33","end":"10:33","startHours":9.544669672138653,"endHours":10.544669672138653,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:33","end":"11:33","startHours":10.544669672138653,"endHours":11.544669672138653,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:33","end":"12:33","startHours":11.544669672138653,"endHours":12.544669672138653,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:33","end":"13:33","startHours":12.544669672138653,"endHours":13.544669672138653,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:33","end":"14:33","startHours":13.544669672138653,"endHours":14.544669672138653,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:33","end":"15:33","startHours":14.544669672138653,"endHours":15.544669672138653,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:33","end":"16:33","startHours":15.544669672138653,"endHours":16.544669672138653,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:33","end":"17:33","startHours":16.544669672138653,"endHours":17.544669672138653,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:33","end":"18:33","startHours":17.544669672138653,"endHours":18.544669672138653,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:33","end":"19:33","startHours":18.544669672138653,"endHours":19.544669672138653,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:33","end":"20:33","startHours":19.544669672138653,"endHours":20.544669672138653,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:33","end":"21:33","startHours":20.544669672138653,"endHours":21.544669672138653,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:33","end":"22:33","startHours":21.544669672138653,"endHours":22.544669672138653,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:33","end":"23:33","startHours":22.544669672138653,"endHours":23.544669672138653,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:33","end":"00:33","startHours":23.544669672138653,"endHours":24.544669672138653,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:33","end":"01:33","startHours":24.544669672138653,"endHours":25.544669672138653,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:33","end":"02:33","startHours":25.544669672138653,"endHours":26.544669672138653,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:33","end":"03:33","startHours":26.544669672138653,"endHours":27.544669672138653,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:33","end":"04:33","startHours":27.544669672138653,"endHours":28.544669672138653,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:33","end":"05:33","startHours":28.544669672138653,"endHours":29.544669672138653,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:33","end":"06:33","startHours":29.544669672138653,"endHours":30.544669672138653,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:33","end":"07:33","startHours":30.544669672138653,"endHours":31.544669672138653,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","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":"West (Paścim)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"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":-23.0151328917408,"eotMinutes":-3.705178323396069,"ayanamsa":26.0601}},"calendars":{"vikram_samvat":2215,"vikram_samvatsara":"Prajāpati","saka_samvat":2080,"saka_samvatsara":"Kālayukta","bengali_samvat":1565,"malayalam_era":1334,"nanakshahi_year":689,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","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 Śukla Pratipada · Vikram 2215 Prajāpati · Śaka 2080 Kālayukta"},"festivals":[],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 1, 2158 CE · Phoenix, USA · Vidhyamitra","description":"January 1, 2158 CE for Phoenix, USA: Śukla Pratipada, sūryodaya 07:33, sūryāsta 17:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2158-01-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2158-01-01","sa":"https://sa.vidhyamitra.com/city/phoenix/2158-01-01","hi":"https://hi.vidhyamitra.com/city/phoenix/2158-01-01","x-default":"https://vidhyamitra.com/city/phoenix/2158-01-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T12:20:41.993Z","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":"2026-05-31T12:20:41.993Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T12:20:41.993Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}