{"id":"vidhyamitra:city-day:phoenix:2155-02-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2155-02-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2155-02-11","date_display":"February 11, 2155 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":2155,"month":2,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508198.770833,"kali_year":5256,"ahargana":1919733.2708,"sun":{"sidereal_longitude":295.6893,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":42.8706,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":107.1813,"elapsed_within_tithi_degrees":11.1813},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":42.8706,"elapsed_within_degrees":2.8706},"yoga":{"number":26,"name":"Indra","sum_longitude":338.5599},"karana":{"half_tithi_index":17,"name":"Kaulava"},"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":2155,"month":2,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2508198.770833,"ahargana":1919733.2708,"kali_year":5256,"ayanamsa_lahiri":26.0198,"grahas":{"sun":{"sidereal_longitude":295.98722,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":45.05662000000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false,"latitude":3.8794},"mars":{"sidereal_longitude":163.31862,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":274.92782,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":28.358319999999992,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":257.31071999999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":127.45492000000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":343.2929,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":163.2929,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","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":2155,"month":2,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508198.770833,"kali_year":5256,"ahargana":1919733.2708,"sun":{"sidereal_longitude":295.6893,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":42.8706,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":107.1813,"elapsed_within_tithi_degrees":11.1813},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":42.8706,"elapsed_within_degrees":2.8706},"yoga":{"number":26,"name":"Indra","sum_longitude":338.5599},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.879,"elongation":107.181},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.879,"opposition_distance":72.819}},"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":"07:17","sunsetLocal":"18:09","solarNoonLocal":"12:43","dayLengthHours":10.858715974579063,"dayLengthDisplay":"10 Hours 51 Mins 31 Secs","nightLengthDisplay":"13 Hours 08 Mins 29 Secs","moonriseLocal":"12:54","moonsetLocal":"03:05","rahuKala":{"name":"Rāhu Kāla","start":"15:26","end":"16:47","startHours":15.429231352821077,"endHours":16.78657084964346,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:00","end":"11:21","startHours":9.999873365531545,"endHours":11.35721286235393,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:43","end":"14:04","startHours":12.714552359176313,"endHours":14.071891855998695,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:49","end":"10:11","startHours":9.818894765955228,"endHours":10.180851965107864,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:44","end":"08:02","startHours":7.737640870827575,"endHours":8.027206630149683,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:21","end":"13:05","startHours":12.352595160023677,"endHours":13.076509558328949,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:50","end":"06:34","startHours":5.837365575276239,"endHours":6.5612799735815095,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:23","end":"07:17","startHours":6.380301374005192,"endHours":7.285194371886781,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:31","end":"15:15","startHours":14.524338354939488,"endHours":15.248252753244758,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:57","end":"18:21","startHours":17.943910346465845,"endHours":18.343910346465844,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:09","end":"18:36","startHours":18.143910346465844,"endHours":18.59635684540664,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:54","end":"19:39","startHours":17.893910346465844,"endHours":19.643910346465844,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:21","end":"01:05","startHours":24.35259516002368,"endHours":25.076509558328947,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:17","end":"08:39","startHours":7.285194371886781,"endHours":8.642533868709164,"quality":"inauspicious"},{"name":"Udveg","start":"08:39","end":"10:00","startHours":8.642533868709164,"endHours":9.999873365531545,"quality":"inauspicious"},{"name":"Chala","start":"10:00","end":"11:21","startHours":9.999873365531545,"endHours":11.35721286235393,"quality":"neutral"},{"name":"Labha","start":"11:21","end":"12:43","startHours":11.35721286235393,"endHours":12.714552359176313,"quality":"auspicious"},{"name":"Amṛta","start":"12:43","end":"14:04","startHours":12.714552359176313,"endHours":14.071891855998695,"quality":"auspicious"},{"name":"Kāla","start":"14:04","end":"15:26","startHours":14.071891855998695,"endHours":15.429231352821077,"quality":"inauspicious"},{"name":"Śubha","start":"15:26","end":"16:47","startHours":15.429231352821077,"endHours":16.78657084964346,"quality":"auspicious"},{"name":"Roga","start":"16:47","end":"18:09","startHours":16.78657084964346,"endHours":18.143910346465844,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:09","end":"19:47","startHours":18.143910346465844,"endHours":19.78657084964346,"quality":"inauspicious"},{"name":"Śubha","start":"19:47","end":"21:26","startHours":19.78657084964346,"endHours":21.429231352821077,"quality":"auspicious"},{"name":"Roga","start":"21:26","end":"23:04","startHours":21.429231352821077,"endHours":23.071891855998697,"quality":"inauspicious"},{"name":"Udveg","start":"23:04","end":"00:43","startHours":23.071891855998697,"endHours":24.714552359176313,"quality":"inauspicious"},{"name":"Chala","start":"00:43","end":"02:21","startHours":24.714552359176313,"endHours":26.35721286235393,"quality":"neutral"},{"name":"Labha","start":"02:21","end":"04:00","startHours":26.35721286235393,"endHours":27.99987336553155,"quality":"auspicious"},{"name":"Amṛta","start":"04:00","end":"05:39","startHours":27.99987336553155,"endHours":29.642533868709165,"quality":"auspicious"},{"name":"Kāla","start":"05:39","end":"07:17","startHours":29.642533868709165,"endHours":31.28519437188678,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:17","end":"08:17","startHours":7.285194371886781,"endHours":8.285194371886782,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:17","end":"09:17","startHours":8.285194371886782,"endHours":9.285194371886782,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:17","end":"10:17","startHours":9.285194371886782,"endHours":10.285194371886782,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:17","end":"11:17","startHours":10.285194371886782,"endHours":11.285194371886782,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:17","end":"12:17","startHours":11.285194371886782,"endHours":12.285194371886782,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:17","end":"13:17","startHours":12.285194371886782,"endHours":13.285194371886782,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:17","end":"14:17","startHours":13.285194371886782,"endHours":14.285194371886782,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:17","end":"15:17","startHours":14.285194371886782,"endHours":15.285194371886782,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:17","end":"16:17","startHours":15.285194371886782,"endHours":16.28519437188678,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:17","end":"17:17","startHours":16.28519437188678,"endHours":17.28519437188678,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:17","end":"18:17","startHours":17.28519437188678,"endHours":18.28519437188678,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:17","end":"19:17","startHours":18.28519437188678,"endHours":19.28519437188678,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:17","end":"20:17","startHours":19.28519437188678,"endHours":20.28519437188678,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:17","end":"21:17","startHours":20.28519437188678,"endHours":21.28519437188678,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:17","end":"22:17","startHours":21.28519437188678,"endHours":22.28519437188678,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:17","end":"23:17","startHours":22.28519437188678,"endHours":23.28519437188678,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:17","end":"00:17","startHours":23.28519437188678,"endHours":24.28519437188678,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:17","end":"01:17","startHours":24.28519437188678,"endHours":25.28519437188678,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:17","end":"02:17","startHours":25.28519437188678,"endHours":26.28519437188678,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:17","end":"03:17","startHours":26.28519437188678,"endHours":27.28519437188678,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:17","end":"04:17","startHours":27.28519437188678,"endHours":28.28519437188678,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:17","end":"05:17","startHours":28.28519437188678,"endHours":29.28519437188678,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:17","end":"06:17","startHours":29.28519437188678,"endHours":30.28519437188678,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:17","end":"07:17","startHours":30.28519437188678,"endHours":31.28519437188678,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"North","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-14.171796431184903,"eotMinutes":-14.577141550578775,"ayanamsa":26.0198}},"calendars":{"vikram_samvat":2212,"vikram_samvatsara":"Vibhava","saka_samvat":2077,"saka_samvatsara":"Rākṣasa","bengali_samvat":1562,"malayalam_era":1331,"nanakshahi_year":686,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","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 Śukla Navamī · Vikram 2212 Vibhava · Śaka 2077 Rākṣasa"},"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":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","relevance":0.5},{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","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 February 11, 2155 CE · Phoenix, USA · Vidhyamitra","description":"February 11, 2155 CE for Phoenix, USA: Śukla Navamī, sūryodaya 07:17, sūryāsta 18:09.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2155-02-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2155-02-11","sa":"https://sa.vidhyamitra.com/city/phoenix/2155-02-11","hi":"https://hi.vidhyamitra.com/city/phoenix/2155-02-11","x-default":"https://vidhyamitra.com/city/phoenix/2155-02-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T14:07:14.967Z","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":"2026-06-02T14:07:14.967Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T14:07:14.967Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}