{"id":"vidhyamitra:city-day:phoenix:2173-02-08:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2173-02-08","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2173-02-08","date_display":"February 8, 2173 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":2173,"month":2,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514770.770833,"kali_year":5274,"ahargana":1926305.2708,"sun":{"sidereal_longitude":292.9809,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":234.4065,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":301.4256,"elapsed_within_tithi_degrees":1.4256},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3,"moon_longitude":234.4065,"elapsed_within_degrees":7.7398},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":167.3874},"karana":{"half_tithi_index":50,"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":2173,"month":2,"day":8,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2514770.770833,"ahargana":1926305.2708,"kali_year":5274,"ayanamsa_lahiri":26.2711,"grahas":{"sun":{"sidereal_longitude":293.3360210000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":231.85742100000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false,"latitude":-3.8695},"mars":{"sidereal_longitude":324.614321,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":271.62282100000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":226.950921,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":291.019721,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":330.74102100000005,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":355.0767,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":175.0767,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","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":2173,"month":2,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514770.770833,"kali_year":5274,"ahargana":1926305.2708,"sun":{"sidereal_longitude":292.9809,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":234.4065,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":301.4256,"elapsed_within_tithi_degrees":1.4256},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3,"moon_longitude":234.4065,"elapsed_within_degrees":7.7398},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":167.3874},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.869,"elongation":58.574},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.869,"opposition_distance":121.426}},"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":"07:19","sunsetLocal":"18:06","solarNoonLocal":"12:43","dayLengthHours":10.786483257528474,"dayLengthDisplay":"10 Hours 47 Mins 11 Secs","nightLengthDisplay":"13 Hours 12 Mins 49 Secs","moonriseLocal":"03:39","moonsetLocal":"13:35","rahuKala":{"name":"Rāhu Kāla","start":"08:40","end":"10:01","startHours":8.66745167977119,"endHours":10.015762086962248,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:22","end":"12:43","startHours":11.364072494153309,"endHours":12.712382901344366,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:04","end":"15:25","startHours":14.060693308535427,"endHours":15.409003715726485,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:50","end":"10:12","startHours":9.83598736600344,"endHours":10.195536807921057,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:46","end":"08:03","startHours":7.76857807497715,"endHours":8.056217628511241,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:21","end":"13:04","startHours":12.35283345942675,"endHours":13.071932343261983,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:53","end":"06:36","startHours":5.880943504909667,"endHours":6.600042388744899,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:25","end":"07:19","startHours":6.42026766778609,"endHours":7.31914127258013,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:31","end":"15:14","startHours":14.510130110932446,"endHours":15.229228994767677,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:54","end":"18:18","startHours":17.905624530108604,"endHours":18.305624530108602,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:06","end":"18:33","startHours":18.105624530108603,"endHours":18.555061332505623,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:51","end":"19:36","startHours":17.855624530108603,"endHours":19.605624530108603,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:21","end":"01:04","startHours":24.35283345942675,"endHours":25.07193234326198,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:19","end":"08:40","startHours":7.31914127258013,"endHours":8.66745167977119,"quality":"auspicious"},{"name":"Kāla","start":"08:40","end":"10:01","startHours":8.66745167977119,"endHours":10.015762086962248,"quality":"inauspicious"},{"name":"Śubha","start":"10:01","end":"11:22","startHours":10.015762086962248,"endHours":11.364072494153309,"quality":"auspicious"},{"name":"Roga","start":"11:22","end":"12:43","startHours":11.364072494153309,"endHours":12.712382901344366,"quality":"inauspicious"},{"name":"Udveg","start":"12:43","end":"14:04","startHours":12.712382901344366,"endHours":14.060693308535427,"quality":"inauspicious"},{"name":"Chala","start":"14:04","end":"15:25","startHours":14.060693308535427,"endHours":15.409003715726485,"quality":"neutral"},{"name":"Labha","start":"15:25","end":"16:45","startHours":15.409003715726485,"endHours":16.757314122917546,"quality":"auspicious"},{"name":"Amṛta","start":"16:45","end":"18:06","startHours":16.757314122917546,"endHours":18.105624530108603,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:06","end":"19:45","startHours":18.105624530108603,"endHours":19.757314122917542,"quality":"neutral"},{"name":"Labha","start":"19:45","end":"21:25","startHours":19.757314122917542,"endHours":21.409003715726485,"quality":"auspicious"},{"name":"Amṛta","start":"21:25","end":"23:04","startHours":21.409003715726485,"endHours":23.060693308535427,"quality":"auspicious"},{"name":"Kāla","start":"23:04","end":"00:43","startHours":23.060693308535427,"endHours":24.712382901344366,"quality":"inauspicious"},{"name":"Śubha","start":"00:43","end":"02:22","startHours":24.712382901344366,"endHours":26.364072494153305,"quality":"auspicious"},{"name":"Roga","start":"02:22","end":"04:01","startHours":26.364072494153305,"endHours":28.015762086962248,"quality":"inauspicious"},{"name":"Udveg","start":"04:01","end":"05:40","startHours":28.015762086962248,"endHours":29.66745167977119,"quality":"inauspicious"},{"name":"Chala","start":"05:40","end":"07:19","startHours":29.66745167977119,"endHours":31.31914127258013,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:19","end":"08:19","startHours":7.31914127258013,"endHours":8.31914127258013,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:19","end":"09:19","startHours":8.31914127258013,"endHours":9.31914127258013,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:19","end":"10:19","startHours":9.31914127258013,"endHours":10.31914127258013,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:19","end":"11:19","startHours":10.31914127258013,"endHours":11.31914127258013,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:19","end":"12:19","startHours":11.31914127258013,"endHours":12.31914127258013,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:19","end":"13:19","startHours":12.31914127258013,"endHours":13.31914127258013,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:19","end":"14:19","startHours":13.31914127258013,"endHours":14.31914127258013,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:19","end":"15:19","startHours":14.31914127258013,"endHours":15.31914127258013,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:19","end":"16:19","startHours":15.31914127258013,"endHours":16.31914127258013,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:19","end":"17:19","startHours":16.31914127258013,"endHours":17.31914127258013,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:19","end":"18:19","startHours":17.31914127258013,"endHours":18.31914127258013,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:19","end":"19:19","startHours":18.31914127258013,"endHours":19.31914127258013,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:19","end":"20:19","startHours":19.31914127258013,"endHours":20.31914127258013,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:19","end":"21:19","startHours":20.31914127258013,"endHours":21.31914127258013,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:19","end":"22:19","startHours":21.31914127258013,"endHours":22.31914127258013,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:19","end":"23:19","startHours":22.31914127258013,"endHours":23.31914127258013,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:19","end":"00:19","startHours":23.31914127258013,"endHours":24.31914127258013,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:19","end":"01:19","startHours":24.31914127258013,"endHours":25.31914127258013,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:19","end":"02:19","startHours":25.31914127258013,"endHours":26.31914127258013,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:19","end":"03:19","startHours":26.31914127258013,"endHours":27.31914127258013,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:19","end":"04:19","startHours":27.31914127258013,"endHours":28.31914127258013,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:19","end":"05:19","startHours":28.31914127258013,"endHours":29.31914127258013,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:19","end":"06:19","startHours":29.31914127258013,"endHours":30.31914127258013,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:19","end":"07:19","startHours":30.31914127258013,"endHours":31.31914127258013,"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":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-East","rahuVasa":"North-East","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-14.93604403364454,"eotMinutes":-14.446974080661976,"ayanamsa":26.2711}},"calendars":{"vikram_samvat":2230,"vikram_samvatsara":"Vyaya","saka_samvat":2095,"saka_samvatsara":"Śrīmukha","bengali_samvat":1580,"malayalam_era":1349,"nanakshahi_year":704,"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 Ekādaśī · Vikram 2230 Vyaya · Śaka 2095 Śrīmukha"},"festivals":[{"id":"shattila-ekadashi","name":"Ṣaṭ-tilā Ekādaśī","name_sanskrit":"षट्तिला एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Six uses of tila (sesame) on this Ekādaśī confer mokṣa.","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Māgha"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"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":"-3137-10-20","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 February 8, 2173 CE · Phoenix, USA · Vidhyamitra","description":"February 8, 2173 CE for Phoenix, USA: Kṛṣṇa Ekādaśī, sūryodaya 07:19, sūryāsta 18:06.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2173-02-08","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2173-02-08","sa":"https://sa.vidhyamitra.com/city/phoenix/2173-02-08","hi":"https://hi.vidhyamitra.com/city/phoenix/2173-02-08","x-default":"https://vidhyamitra.com/city/phoenix/2173-02-08"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T08:21:55.821Z","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":"2026-06-02T08:21:55.821Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T08:21:55.821Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}