{"id":"vidhyamitra:city-day:phoenix:2156-01-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2156-01-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2156-01-20","date_display":"January 20, 2156 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":2156,"month":1,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508541.770833,"kali_year":5257,"ahargana":1920076.2708,"sun":{"sidereal_longitude":272.9196,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":236.3721,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":323.4525,"elapsed_within_tithi_degrees":11.4525},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3,"moon_longitude":236.3721,"elapsed_within_degrees":9.7055},"yoga":{"number":12,"name":"Dhruva","sum_longitude":149.2918},"karana":{"half_tithi_index":53,"name":"Taitila"},"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":2156,"month":1,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2508541.770833,"ahargana":1920076.2708,"kali_year":5257,"ayanamsa_lahiri":26.0329,"grahas":{"sun":{"sidereal_longitude":273.37951499999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":235.48981500000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false,"latitude":-4.4989},"mars":{"sidereal_longitude":299.304615,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":251.96611500000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":64.315515,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":316.283815,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":142.81671500000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":325.1191,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":145.1191,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","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":2156,"month":1,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508541.770833,"kali_year":5257,"ahargana":1920076.2708,"sun":{"sidereal_longitude":272.9196,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":236.3721,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":323.4525,"elapsed_within_tithi_degrees":11.4525},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3,"moon_longitude":236.3721,"elapsed_within_degrees":9.7055},"yoga":{"number":12,"name":"Dhruva","sum_longitude":149.2918},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.499,"elongation":36.547},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.499,"opposition_distance":143.453}},"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":"07:31","sunsetLocal":"17:47","solarNoonLocal":"12:39","dayLengthHours":10.263057959729956,"dayLengthDisplay":"10 Hours 15 Mins 47 Secs","nightLengthDisplay":"13 Hours 44 Mins 13 Secs","moonriseLocal":"05:10","moonsetLocal":"15:05","rahuKala":{"name":"Rāhu Kāla","start":"15:13","end":"16:30","startHours":15.22010287888631,"endHours":16.502985123852554,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:05","end":"11:22","startHours":10.088573899021332,"endHours":11.371456143987576,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:39","end":"13:56","startHours":12.654338388953821,"endHours":13.937220633920067,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:55","end":"10:16","startHours":9.917522933025833,"endHours":10.259624865016832,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:57","end":"08:13","startHours":7.950436824077592,"endHours":8.224118369670391,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:19","end":"13:00","startHours":12.312236456962824,"endHours":12.996440320944819,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:09","end":"06:50","startHours":6.154401681124849,"endHours":6.838605545106846,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:40","end":"07:31","startHours":6.667554579111347,"endHours":7.522809409088843,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:22","end":"15:03","startHours":14.364848048908815,"endHours":15.049051912890812,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:35","end":"17:59","startHours":17.5858673688188,"endHours":17.9858673688188,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:47","end":"18:13","startHours":17.7858673688188,"endHours":18.213494783807548,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:32","end":"19:17","startHours":17.5358673688188,"endHours":19.2858673688188,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:19","end":"01:00","startHours":24.31223645696282,"endHours":24.99644032094482,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:31","end":"08:48","startHours":7.522809409088843,"endHours":8.805691654055089,"quality":"inauspicious"},{"name":"Udveg","start":"08:48","end":"10:05","startHours":8.805691654055089,"endHours":10.088573899021332,"quality":"inauspicious"},{"name":"Chala","start":"10:05","end":"11:22","startHours":10.088573899021332,"endHours":11.371456143987576,"quality":"neutral"},{"name":"Labha","start":"11:22","end":"12:39","startHours":11.371456143987576,"endHours":12.654338388953821,"quality":"auspicious"},{"name":"Amṛta","start":"12:39","end":"13:56","startHours":12.654338388953821,"endHours":13.937220633920067,"quality":"auspicious"},{"name":"Kāla","start":"13:56","end":"15:13","startHours":13.937220633920067,"endHours":15.22010287888631,"quality":"inauspicious"},{"name":"Śubha","start":"15:13","end":"16:30","startHours":15.22010287888631,"endHours":16.502985123852554,"quality":"auspicious"},{"name":"Roga","start":"16:30","end":"17:47","startHours":16.502985123852554,"endHours":17.7858673688188,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:47","end":"19:30","startHours":17.7858673688188,"endHours":19.502985123852554,"quality":"inauspicious"},{"name":"Śubha","start":"19:30","end":"21:13","startHours":19.502985123852554,"endHours":21.22010287888631,"quality":"auspicious"},{"name":"Roga","start":"21:13","end":"22:56","startHours":21.22010287888631,"endHours":22.937220633920067,"quality":"inauspicious"},{"name":"Udveg","start":"22:56","end":"00:39","startHours":22.937220633920067,"endHours":24.65433838895382,"quality":"inauspicious"},{"name":"Chala","start":"00:39","end":"02:22","startHours":24.65433838895382,"endHours":26.371456143987576,"quality":"neutral"},{"name":"Labha","start":"02:22","end":"04:05","startHours":26.371456143987576,"endHours":28.088573899021334,"quality":"auspicious"},{"name":"Amṛta","start":"04:05","end":"05:48","startHours":28.088573899021334,"endHours":29.80569165405509,"quality":"auspicious"},{"name":"Kāla","start":"05:48","end":"07:31","startHours":29.80569165405509,"endHours":31.522809409088843,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:31","end":"08:31","startHours":7.522809409088843,"endHours":8.522809409088843,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:31","end":"09:31","startHours":8.522809409088843,"endHours":9.522809409088843,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:31","end":"10:31","startHours":9.522809409088843,"endHours":10.522809409088843,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:31","end":"11:31","startHours":10.522809409088843,"endHours":11.522809409088843,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:31","end":"12:31","startHours":11.522809409088843,"endHours":12.522809409088843,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:31","end":"13:31","startHours":12.522809409088843,"endHours":13.522809409088843,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:31","end":"14:31","startHours":13.522809409088843,"endHours":14.522809409088843,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:31","end":"15:31","startHours":14.522809409088843,"endHours":15.522809409088843,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:31","end":"16:31","startHours":15.522809409088843,"endHours":16.522809409088843,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:31","end":"17:31","startHours":16.522809409088843,"endHours":17.522809409088843,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:31","end":"18:31","startHours":17.522809409088843,"endHours":18.522809409088843,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:31","end":"19:31","startHours":18.522809409088843,"endHours":19.522809409088843,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:31","end":"20:31","startHours":19.522809409088843,"endHours":20.522809409088843,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:31","end":"21:31","startHours":20.522809409088843,"endHours":21.522809409088843,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:31","end":"22:31","startHours":21.522809409088843,"endHours":22.522809409088843,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:31","end":"23:31","startHours":22.522809409088843,"endHours":23.522809409088843,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:31","end":"00:31","startHours":23.522809409088843,"endHours":24.522809409088843,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:31","end":"01:31","startHours":24.522809409088843,"endHours":25.522809409088843,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:31","end":"02:31","startHours":25.522809409088843,"endHours":26.522809409088843,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:31","end":"03:31","startHours":26.522809409088843,"endHours":27.522809409088843,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:31","end":"04:31","startHours":27.522809409088843,"endHours":28.522809409088843,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:31","end":"05:31","startHours":28.522809409088843,"endHours":29.522809409088843,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:31","end":"06:31","startHours":29.522809409088843,"endHours":30.522809409088843,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:31","end":"07:31","startHours":30.522809409088843,"endHours":31.522809409088843,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"North-East","rahuVasa":"North","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-20.271415295078942,"eotMinutes":-10.9643033372293,"ayanamsa":26.0329}},"calendars":{"vikram_samvat":2213,"vikram_samvatsara":"Śukla","saka_samvat":2078,"saka_samvatsara":"Nala","bengali_samvat":1563,"malayalam_era":1332,"nanakshahi_year":687,"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 Dvādaśī · Vikram 2213 Śukla · Śaka 2078 Nala"},"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":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","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 20, 2156 CE · Phoenix, USA · Vidhyamitra","description":"January 20, 2156 CE for Phoenix, USA: Kṛṣṇa Dvādaśī, sūryodaya 07:31, sūryāsta 17:47.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2156-01-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2156-01-20","sa":"https://sa.vidhyamitra.com/city/phoenix/2156-01-20","hi":"https://hi.vidhyamitra.com/city/phoenix/2156-01-20","x-default":"https://vidhyamitra.com/city/phoenix/2156-01-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T20:36:23.265Z","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":"2026-05-31T20:36:23.265Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T20:36:23.265Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}