{"id":"vidhyamitra:city-day:phoenix:2144-01-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2144-01-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2144-01-13","date_display":"January 13, 2144 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":2144,"month":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2504151.770833,"kali_year":5245,"ahargana":1915686.2708,"sun":{"sidereal_longitude":265.838,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":356.0901,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":90.2521,"elapsed_within_tithi_degrees":6.2521},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":356.0901,"elapsed_within_degrees":9.4235},"yoga":{"number":20,"name":"Śiva","sum_longitude":261.9281},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2144,"month":1,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2504151.770833,"ahargana":1915686.2708,"kali_year":5245,"ayanamsa_lahiri":25.865,"grahas":{"sun":{"sidereal_longitude":266.328945,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":354.795645,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false,"latitude":1.6574},"mars":{"sidereal_longitude":202.200245,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":253.62354499999992,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":60.786445000000015,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":237.42924500000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":333.893645,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":197.7224,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":17.7224,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","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":2144,"month":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2504151.770833,"kali_year":5245,"ahargana":1915686.2708,"sun":{"sidereal_longitude":265.838,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":356.0901,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":90.2521,"elapsed_within_tithi_degrees":6.2521},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":356.0901,"elapsed_within_degrees":9.4235},"yoga":{"number":20,"name":"Śiva","sum_longitude":261.9281},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.657,"elongation":90.252},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.657,"opposition_distance":89.748}},"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":10.125467047109163,"dayLengthDisplay":"10 Hours 07 Mins 32 Secs","nightLengthDisplay":"13 Hours 52 Mins 28 Secs","moonriseLocal":"12:06","moonsetLocal":"00:55","rahuKala":{"name":"Rāhu Kāla","start":"08:49","end":"10:05","startHours":8.818482048856955,"endHours":10.0841654297456,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:21","end":"12:37","startHours":11.349848810634246,"endHours":12.615532191522892,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:53","end":"15:09","startHours":13.881215572411536,"endHours":15.146898953300182,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:55","end":"10:15","startHours":9.915407645627115,"endHours":10.252923213864086,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:58","end":"08:15","startHours":7.974693128264525,"endHours":8.244705582854102,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:17","end":"12:57","startHours":12.27801662328592,"endHours":12.953047759759864,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:12","end":"06:53","startHours":6.202736395020421,"endHours":6.877767531494365,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:43","end":"07:33","startHours":6.7090097473758785,"endHours":7.552798667968309,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:18","end":"14:59","startHours":14.303110032707751,"endHours":14.978141169181695,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:29","end":"17:53","startHours":17.478265715077473,"endHours":17.87826571507747,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:41","end":"18:06","startHours":17.678265715077472,"endHours":18.100160175373688,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:26","end":"19:11","startHours":17.428265715077472,"endHours":19.178265715077472,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:17","end":"00:57","startHours":24.278016623285918,"endHours":24.953047759759865,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:33","end":"08:49","startHours":7.552798667968309,"endHours":8.818482048856955,"quality":"auspicious"},{"name":"Kāla","start":"08:49","end":"10:05","startHours":8.818482048856955,"endHours":10.0841654297456,"quality":"inauspicious"},{"name":"Śubha","start":"10:05","end":"11:21","startHours":10.0841654297456,"endHours":11.349848810634246,"quality":"auspicious"},{"name":"Roga","start":"11:21","end":"12:37","startHours":11.349848810634246,"endHours":12.615532191522892,"quality":"inauspicious"},{"name":"Udveg","start":"12:37","end":"13:53","startHours":12.615532191522892,"endHours":13.881215572411536,"quality":"inauspicious"},{"name":"Chala","start":"13:53","end":"15:09","startHours":13.881215572411536,"endHours":15.146898953300182,"quality":"neutral"},{"name":"Labha","start":"15:09","end":"16:25","startHours":15.146898953300182,"endHours":16.412582334188826,"quality":"auspicious"},{"name":"Amṛta","start":"16:25","end":"17:41","startHours":16.412582334188826,"endHours":17.678265715077472,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:41","end":"19:25","startHours":17.678265715077472,"endHours":19.412582334188826,"quality":"neutral"},{"name":"Labha","start":"19:25","end":"21:09","startHours":19.412582334188826,"endHours":21.14689895330018,"quality":"auspicious"},{"name":"Amṛta","start":"21:09","end":"22:53","startHours":21.14689895330018,"endHours":22.881215572411534,"quality":"auspicious"},{"name":"Kāla","start":"22:53","end":"00:37","startHours":22.881215572411534,"endHours":24.61553219152289,"quality":"inauspicious"},{"name":"Śubha","start":"00:37","end":"02:21","startHours":24.61553219152289,"endHours":26.349848810634246,"quality":"auspicious"},{"name":"Roga","start":"02:21","end":"04:05","startHours":26.349848810634246,"endHours":28.0841654297456,"quality":"inauspicious"},{"name":"Udveg","start":"04:05","end":"05:49","startHours":28.0841654297456,"endHours":29.818482048856957,"quality":"inauspicious"},{"name":"Chala","start":"05:49","end":"07:33","startHours":29.818482048856957,"endHours":31.55279866796831,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:33","end":"08:33","startHours":7.552798667968309,"endHours":8.55279866796831,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:33","end":"09:33","startHours":8.55279866796831,"endHours":9.55279866796831,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:33","end":"10:33","startHours":9.55279866796831,"endHours":10.55279866796831,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:33","end":"11:33","startHours":10.55279866796831,"endHours":11.55279866796831,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:33","end":"12:33","startHours":11.55279866796831,"endHours":12.55279866796831,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:33","end":"13:33","startHours":12.55279866796831,"endHours":13.55279866796831,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:33","end":"14:33","startHours":13.55279866796831,"endHours":14.55279866796831,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:33","end":"15:33","startHours":14.55279866796831,"endHours":15.55279866796831,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:33","end":"16:33","startHours":15.55279866796831,"endHours":16.55279866796831,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:33","end":"17:33","startHours":16.55279866796831,"endHours":17.55279866796831,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:33","end":"18:33","startHours":17.55279866796831,"endHours":18.55279866796831,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:33","end":"19:33","startHours":18.55279866796831,"endHours":19.55279866796831,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:33","end":"20:33","startHours":19.55279866796831,"endHours":20.55279866796831,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:33","end":"21:33","startHours":20.55279866796831,"endHours":21.55279866796831,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:33","end":"22:33","startHours":21.55279866796831,"endHours":22.55279866796831,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:33","end":"23:33","startHours":22.55279866796831,"endHours":23.55279866796831,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:33","end":"00:33","startHours":23.55279866796831,"endHours":24.55279866796831,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:33","end":"01:33","startHours":24.55279866796831,"endHours":25.55279866796831,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:33","end":"02:33","startHours":25.55279866796831,"endHours":26.55279866796831,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:33","end":"03:33","startHours":26.55279866796831,"endHours":27.55279866796831,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:33","end":"04:33","startHours":27.55279866796831,"endHours":28.55279866796831,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:33","end":"05:33","startHours":28.55279866796831,"endHours":29.55279866796831,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:33","end":"06:33","startHours":29.55279866796831,"endHours":30.55279866796831,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:33","end":"07:33","startHours":30.55279866796831,"endHours":31.55279866796831,"planetary_lord":"Venus"}],"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":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"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":-21.60863447623536,"eotMinutes":-8.635931491373626,"ayanamsa":25.865}},"calendars":{"vikram_samvat":2201,"vikram_samvatsara":"Piṅgala","saka_samvat":2066,"saka_samvatsara":"Krodhi","bengali_samvat":1551,"malayalam_era":1320,"nanakshahi_year":675,"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 Aṣṭamī · Vikram 2201 Piṅgala · Śaka 2066 Krodhi"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","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 13, 2144 CE · Phoenix, USA · Vidhyamitra","description":"January 13, 2144 CE for Phoenix, USA: Śukla Aṣṭamī, sūryodaya 07:33, sūryāsta 17:41.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2144-01-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2144-01-13","sa":"https://sa.vidhyamitra.com/city/phoenix/2144-01-13","hi":"https://hi.vidhyamitra.com/city/phoenix/2144-01-13","x-default":"https://vidhyamitra.com/city/phoenix/2144-01-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T16:11:37.581Z","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":"2026-05-31T16:11:37.581Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T16:11:37.581Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}