{"id":"vidhyamitra:city-day:phoenix:2102-02-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2102-02-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2102-02-13","date_display":"February 13, 2102 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":2102,"month":2,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2488842.770833,"kali_year":5203,"ahargana":1900377.2708,"sun":{"sidereal_longitude":298.4518,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":239.0088,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":300.5571,"elapsed_within_tithi_degrees":0.5571},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4,"moon_longitude":239.0088,"elapsed_within_degrees":12.3422},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":177.4606},"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":2102,"month":2,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2488842.770833,"ahargana":1900377.2708,"kali_year":5203,"ayanamsa_lahiri":25.2795,"grahas":{"sun":{"sidereal_longitude":298.609961,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":236.66266100000007,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false,"latitude":-3.4386},"mars":{"sidereal_longitude":48.89626099999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":275.70386099999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":233.76116100000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":250.957761,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":203.79526099999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":288.8669,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":108.8669,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":2102,"month":2,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2488842.770833,"kali_year":5203,"ahargana":1900377.2708,"sun":{"sidereal_longitude":298.4518,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":239.0088,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":300.5571,"elapsed_within_tithi_degrees":0.5571},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4,"moon_longitude":239.0088,"elapsed_within_degrees":12.3422},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":177.4606},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.439,"elongation":59.443},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.439,"opposition_distance":120.557}},"eclipse_window_40days":[{"offset_days":-10,"type":"lunar","occurs":true,"moon_latitude":0.307,"opposition_distance":2.772}]},"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":"07:15","sunsetLocal":"18:10","solarNoonLocal":"12:43","dayLengthHours":10.916474097145006,"dayLengthDisplay":"10 Hours 54 Mins 59 Secs","nightLengthDisplay":"13 Hours 05 Mins 01 Secs","moonriseLocal":"03:38","moonsetLocal":"13:33","rahuKala":{"name":"Rāhu Kāla","start":"08:37","end":"09:59","startHours":8.62124763458099,"endHours":9.985806896724117,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:21","end":"12:43","startHours":11.350366158867242,"endHours":12.714925421010367,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:05","end":"15:27","startHours":14.079484683153494,"endHours":15.44404394529662,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:48","end":"10:10","startHours":9.803865661771699,"endHours":10.167748131676532,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:43","end":"08:00","startHours":7.711541459818907,"endHours":8.002647435742773,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:21","end":"13:05","startHours":12.351042951105534,"endHours":13.0788078909152,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:48","end":"06:32","startHours":5.801158492818531,"endHours":6.528923432628198,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:21","end":"07:15","startHours":6.346982197675781,"endHours":7.256688372437865,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:32","end":"15:16","startHours":14.534337770534535,"endHours":15.262102710344202,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:58","end":"18:22","startHours":17.97316246958287,"endHours":18.37316246958287,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:10","end":"18:38","startHours":18.17316246958287,"endHours":18.628015556963913,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:55","end":"19:40","startHours":17.92316246958287,"endHours":19.67316246958287,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:21","end":"01:05","startHours":24.351042951105534,"endHours":25.0788078909152,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:15","end":"08:37","startHours":7.256688372437865,"endHours":8.62124763458099,"quality":"auspicious"},{"name":"Kāla","start":"08:37","end":"09:59","startHours":8.62124763458099,"endHours":9.985806896724117,"quality":"inauspicious"},{"name":"Śubha","start":"09:59","end":"11:21","startHours":9.985806896724117,"endHours":11.350366158867242,"quality":"auspicious"},{"name":"Roga","start":"11:21","end":"12:43","startHours":11.350366158867242,"endHours":12.714925421010367,"quality":"inauspicious"},{"name":"Udveg","start":"12:43","end":"14:05","startHours":12.714925421010367,"endHours":14.079484683153494,"quality":"inauspicious"},{"name":"Chala","start":"14:05","end":"15:27","startHours":14.079484683153494,"endHours":15.44404394529662,"quality":"neutral"},{"name":"Labha","start":"15:27","end":"16:49","startHours":15.44404394529662,"endHours":16.808603207439745,"quality":"auspicious"},{"name":"Amṛta","start":"16:49","end":"18:10","startHours":16.808603207439745,"endHours":18.17316246958287,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:10","end":"19:49","startHours":18.17316246958287,"endHours":19.808603207439745,"quality":"neutral"},{"name":"Labha","start":"19:49","end":"21:27","startHours":19.808603207439745,"endHours":21.44404394529662,"quality":"auspicious"},{"name":"Amṛta","start":"21:27","end":"23:05","startHours":21.44404394529662,"endHours":23.079484683153492,"quality":"auspicious"},{"name":"Kāla","start":"23:05","end":"00:43","startHours":23.079484683153492,"endHours":24.714925421010367,"quality":"inauspicious"},{"name":"Śubha","start":"00:43","end":"02:21","startHours":24.714925421010367,"endHours":26.350366158867242,"quality":"auspicious"},{"name":"Roga","start":"02:21","end":"03:59","startHours":26.350366158867242,"endHours":27.985806896724114,"quality":"inauspicious"},{"name":"Udveg","start":"03:59","end":"05:37","startHours":27.985806896724114,"endHours":29.62124763458099,"quality":"inauspicious"},{"name":"Chala","start":"05:37","end":"07:15","startHours":29.62124763458099,"endHours":31.256688372437864,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:15","end":"08:15","startHours":7.256688372437865,"endHours":8.256688372437864,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:15","end":"09:15","startHours":8.256688372437864,"endHours":9.256688372437864,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:15","end":"10:15","startHours":9.256688372437864,"endHours":10.256688372437864,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:15","end":"11:15","startHours":10.256688372437864,"endHours":11.256688372437864,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:15","end":"12:15","startHours":11.256688372437864,"endHours":12.256688372437864,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:15","end":"13:15","startHours":12.256688372437864,"endHours":13.256688372437864,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:15","end":"14:15","startHours":13.256688372437864,"endHours":14.256688372437864,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:15","end":"15:15","startHours":14.256688372437864,"endHours":15.256688372437864,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:15","end":"16:15","startHours":15.256688372437864,"endHours":16.256688372437864,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:15","end":"17:15","startHours":16.256688372437864,"endHours":17.256688372437864,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:15","end":"18:15","startHours":17.256688372437864,"endHours":18.256688372437864,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:15","end":"19:15","startHours":18.256688372437864,"endHours":19.256688372437864,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:15","end":"20:15","startHours":19.256688372437864,"endHours":20.256688372437864,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:15","end":"21:15","startHours":20.256688372437864,"endHours":21.256688372437864,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:15","end":"22:15","startHours":21.256688372437864,"endHours":22.256688372437864,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:15","end":"23:15","startHours":22.256688372437864,"endHours":23.256688372437864,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:15","end":"00:15","startHours":23.256688372437864,"endHours":24.256688372437864,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:15","end":"01:15","startHours":24.256688372437864,"endHours":25.256688372437864,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:15","end":"02:15","startHours":25.256688372437864,"endHours":26.256688372437864,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:15","end":"03:15","startHours":26.256688372437864,"endHours":27.256688372437864,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:15","end":"04:15","startHours":27.256688372437864,"endHours":28.256688372437864,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:15","end":"05:15","startHours":28.256688372437864,"endHours":29.256688372437864,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:15","end":"06:15","startHours":29.256688372437864,"endHours":30.256688372437864,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:15","end":"07:15","startHours":30.256688372437864,"endHours":31.256688372437864,"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":-13.556353256373015,"eotMinutes":-14.599525260622107,"ayanamsa":25.2795}},"calendars":{"vikram_samvat":2159,"vikram_samvatsara":"Yuva","saka_samvat":2024,"saka_samvatsara":"Dundubhi","bengali_samvat":1509,"malayalam_era":1278,"nanakshahi_year":633,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","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":"Phālguna Kṛṣṇa Ekādaśī · Vikram 2159 Yuva · Śaka 2024 Dundubhi"},"festivals":[{"id":"vijaya-ekadashi","name":"Vijayā Ekādaśī","name_sanskrit":"विजया एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Rāma","significance":"Rāma observed this before crossing the ocean to Laṅkā.","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Phālguna"},"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 13, 2102 CE · Phoenix, USA · Vidhyamitra","description":"February 13, 2102 CE for Phoenix, USA: Kṛṣṇa Ekādaśī, sūryodaya 07:15, sūryāsta 18:10.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2102-02-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2102-02-13","sa":"https://sa.vidhyamitra.com/city/phoenix/2102-02-13","hi":"https://hi.vidhyamitra.com/city/phoenix/2102-02-13","x-default":"https://vidhyamitra.com/city/phoenix/2102-02-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T18:57:37.958Z","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":"2026-06-01T18:57:37.958Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T18:57:37.958Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}