{"id":"vidhyamitra:city-day:phoenix:2155-02-10:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2155-02-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2155-02-10","date_display":"February 10, 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":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508197.770833,"kali_year":5256,"ahargana":1919732.2708,"sun":{"sidereal_longitude":294.6706,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":30.9489,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":96.2783,"elapsed_within_tithi_degrees":0.2783},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2,"moon_longitude":30.9489,"elapsed_within_degrees":4.2822},"yoga":{"number":25,"name":"Brahma","sum_longitude":325.6195},"karana":{"half_tithi_index":16,"name":"Bālava"},"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":2155,"month":2,"day":10,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2508197.770833,"ahargana":1919732.2708,"kali_year":5256,"ayanamsa_lahiri":26.0198,"grahas":{"sun":{"sidereal_longitude":294.9744579999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":33.10395799999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false,"latitude":3.3217},"mars":{"sidereal_longitude":163.29815800000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":273.449658,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":28.289258000000018,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":256.09525800000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":127.53285800000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":343.3459,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":163.3459,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","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":2155,"month":2,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508197.770833,"kali_year":5256,"ahargana":1919732.2708,"sun":{"sidereal_longitude":294.6706,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":30.9489,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":96.2783,"elapsed_within_tithi_degrees":0.2783},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2,"moon_longitude":30.9489,"elapsed_within_degrees":4.2822},"yoga":{"number":25,"name":"Brahma","sum_longitude":325.6195},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.322,"elongation":96.278},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.322,"opposition_distance":83.722}},"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":"07:18","sunsetLocal":"18:08","solarNoonLocal":"12:43","dayLengthHours":10.82803467388424,"dayLengthDisplay":"10 Hours 49 Mins 41 Secs","nightLengthDisplay":"13 Hours 10 Mins 19 Secs","moonriseLocal":"12:17","moonsetLocal":"02:14","rahuKala":{"name":"Rāhu Kāla","start":"08:39","end":"10:00","startHours":8.653531755485481,"endHours":10.007036089721012,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:22","end":"12:43","startHours":11.360540423956541,"endHours":12.71404475819207,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:04","end":"15:25","startHours":14.067549092427601,"endHours":15.421053426663132,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:50","end":"10:11","startHours":9.826568845156274,"endHours":10.187503334285749,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:45","end":"08:02","startHours":7.751195532661795,"endHours":8.039943123965374,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:21","end":"13:04","startHours":12.353110269062595,"endHours":13.074979247321545,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:51","end":"06:35","startHours":5.856289464732052,"endHours":6.578158442991002,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:24","end":"07:18","startHours":6.397691198426265,"endHours":7.300027421249951,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:31","end":"15:14","startHours":14.518717203839444,"endHours":15.240586182098394,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:56","end":"18:20","startHours":17.92806209513419,"endHours":18.32806209513419,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:08","end":"18:35","startHours":18.12806209513419,"endHours":18.579230206546033,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:53","end":"19:38","startHours":17.87806209513419,"endHours":19.62806209513419,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:21","end":"01:04","startHours":24.353110269062597,"endHours":25.074979247321544,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:18","end":"08:39","startHours":7.300027421249951,"endHours":8.653531755485481,"quality":"auspicious"},{"name":"Kāla","start":"08:39","end":"10:00","startHours":8.653531755485481,"endHours":10.007036089721012,"quality":"inauspicious"},{"name":"Śubha","start":"10:00","end":"11:22","startHours":10.007036089721012,"endHours":11.360540423956541,"quality":"auspicious"},{"name":"Roga","start":"11:22","end":"12:43","startHours":11.360540423956541,"endHours":12.71404475819207,"quality":"inauspicious"},{"name":"Udveg","start":"12:43","end":"14:04","startHours":12.71404475819207,"endHours":14.067549092427601,"quality":"inauspicious"},{"name":"Chala","start":"14:04","end":"15:25","startHours":14.067549092427601,"endHours":15.421053426663132,"quality":"neutral"},{"name":"Labha","start":"15:25","end":"16:46","startHours":15.421053426663132,"endHours":16.77455776089866,"quality":"auspicious"},{"name":"Amṛta","start":"16:46","end":"18:08","startHours":16.77455776089866,"endHours":18.12806209513419,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:08","end":"19:46","startHours":18.12806209513419,"endHours":19.77455776089866,"quality":"neutral"},{"name":"Labha","start":"19:46","end":"21:25","startHours":19.77455776089866,"endHours":21.42105342666313,"quality":"auspicious"},{"name":"Amṛta","start":"21:25","end":"23:04","startHours":21.42105342666313,"endHours":23.0675490924276,"quality":"auspicious"},{"name":"Kāla","start":"23:04","end":"00:43","startHours":23.0675490924276,"endHours":24.71404475819207,"quality":"inauspicious"},{"name":"Śubha","start":"00:43","end":"02:22","startHours":24.71404475819207,"endHours":26.36054042395654,"quality":"auspicious"},{"name":"Roga","start":"02:22","end":"04:00","startHours":26.36054042395654,"endHours":28.007036089721012,"quality":"inauspicious"},{"name":"Udveg","start":"04:00","end":"05:39","startHours":28.007036089721012,"endHours":29.65353175548548,"quality":"inauspicious"},{"name":"Chala","start":"05:39","end":"07:18","startHours":29.65353175548548,"endHours":31.30002742124995,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:18","end":"08:18","startHours":7.300027421249951,"endHours":8.30002742124995,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:18","end":"09:18","startHours":8.30002742124995,"endHours":9.30002742124995,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:18","end":"10:18","startHours":9.30002742124995,"endHours":10.30002742124995,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:18","end":"11:18","startHours":10.30002742124995,"endHours":11.30002742124995,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:18","end":"12:18","startHours":11.30002742124995,"endHours":12.30002742124995,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:18","end":"13:18","startHours":12.30002742124995,"endHours":13.30002742124995,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:18","end":"14:18","startHours":13.30002742124995,"endHours":14.30002742124995,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:18","end":"15:18","startHours":14.30002742124995,"endHours":15.30002742124995,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:18","end":"16:18","startHours":15.30002742124995,"endHours":16.30002742124995,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:18","end":"17:18","startHours":16.30002742124995,"endHours":17.30002742124995,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:18","end":"18:18","startHours":17.30002742124995,"endHours":18.30002742124995,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:18","end":"19:18","startHours":18.30002742124995,"endHours":19.30002742124995,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:18","end":"20:18","startHours":19.30002742124995,"endHours":20.30002742124995,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:18","end":"21:18","startHours":20.30002742124995,"endHours":21.30002742124995,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:18","end":"22:18","startHours":21.30002742124995,"endHours":22.30002742124995,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:18","end":"23:18","startHours":22.30002742124995,"endHours":23.30002742124995,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:18","end":"00:18","startHours":23.30002742124995,"endHours":24.30002742124995,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:18","end":"01:18","startHours":24.30002742124995,"endHours":25.30002742124995,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:18","end":"02:18","startHours":25.30002742124995,"endHours":26.30002742124995,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:18","end":"03:18","startHours":26.30002742124995,"endHours":27.30002742124995,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:18","end":"04:18","startHours":27.30002742124995,"endHours":28.30002742124995,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:18","end":"05:18","startHours":28.30002742124995,"endHours":29.30002742124995,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:18","end":"06:18","startHours":29.30002742124995,"endHours":30.30002742124995,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:18","end":"07:18","startHours":30.30002742124995,"endHours":31.30002742124995,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"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":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvaja","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":-14.497166399482875,"eotMinutes":-14.546685491524224,"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":"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":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","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 10, 2155 CE · Phoenix, USA · Vidhyamitra","description":"February 10, 2155 CE for Phoenix, USA: Śukla Navamī, sūryodaya 07:18, sūryāsta 18:08.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2155-02-10","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2155-02-10","sa":"https://sa.vidhyamitra.com/city/phoenix/2155-02-10","hi":"https://hi.vidhyamitra.com/city/phoenix/2155-02-10","x-default":"https://vidhyamitra.com/city/phoenix/2155-02-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T12:09:18.807Z","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":"2026-06-01T12:09:18.807Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T12:09:18.807Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}