{"id":"vidhyamitra:city-day:phoenix:1879-08-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1879-08-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1879-08-13","date_display":"August 13, 1879 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":1879,"month":8,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2407574.770833,"kali_year":4981,"ahargana":1819109.2708,"sun":{"sidereal_longitude":117.3906,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":59.9677,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":302.5771,"elapsed_within_tithi_degrees":2.5771},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2,"moon_longitude":59.9677,"elapsed_within_degrees":6.6343},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":177.3582},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1879,"month":8,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2407574.770833,"ahargana":1819109.2708,"kali_year":4981,"ayanamsa_lahiri":22.1713,"grahas":{"sun":{"sidereal_longitude":117.70989599999996,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":60.30329599999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false,"latitude":2.5709},"mars":{"sidereal_longitude":21.19719600000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":137.668296,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":319.259096,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":160.94089599999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":354.405696,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":274.8367,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":94.8367,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":1879,"month":8,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2407574.770833,"kali_year":4981,"ahargana":1819109.2708,"sun":{"sidereal_longitude":117.3906,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":59.9677,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":302.5771,"elapsed_within_tithi_degrees":2.5771},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2,"moon_longitude":59.9677,"elapsed_within_degrees":6.6343},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":177.3582},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.571,"elongation":57.423},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.571,"opposition_distance":122.577}},"eclipse_window_40days":[{"offset_days":-11,"type":"lunar","occurs":true,"moon_latitude":0.789,"opposition_distance":1.379}]},"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":"05:48","sunsetLocal":"19:17","solarNoonLocal":"12:33","dayLengthHours":13.485106937704785,"dayLengthDisplay":"13 Hours 29 Mins 06 Secs","nightLengthDisplay":"10 Hours 30 Mins 54 Secs","moonriseLocal":"01:34","moonsetLocal":"15:52","rahuKala":{"name":"Rāhu Kāla","start":"12:33","end":"14:14","startHours":12.547625345636924,"endHours":14.233263712850022,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:29","end":"09:11","startHours":7.490710243997629,"endHours":9.176348611210727,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:52","end":"12:33","startHours":10.861986978423825,"endHours":12.547625345636924,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:57","end":"09:24","startHours":8.951596828915648,"endHours":9.401100393505807,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:22","end":"06:44","startHours":6.3669513325222304,"endHours":6.726554184194358,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:06","end":"13:00","startHours":12.098121781046764,"endHours":12.997128910227083,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:00","end":"04:54","startHours":4.007057618423893,"endHours":4.906064747604212,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:41","end":"05:48","startHours":4.681312965309132,"endHours":5.805071876784531,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:48","end":"15:42","startHours":14.795143168587721,"endHours":15.69415029776804,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:05","end":"19:29","startHours":19.090178814489317,"endHours":19.490178814489315,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:17","end":"19:51","startHours":19.290178814489316,"endHours":19.852058270227015,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:02","end":"20:47","startHours":19.040178814489316,"endHours":20.790178814489316,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:06","end":"01:00","startHours":24.098121781046764,"endHours":24.997128910227083,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:48","end":"07:29","startHours":5.805071876784531,"endHours":7.490710243997629,"quality":"auspicious"},{"name":"Amṛta","start":"07:29","end":"09:11","startHours":7.490710243997629,"endHours":9.176348611210727,"quality":"auspicious"},{"name":"Kāla","start":"09:11","end":"10:52","startHours":9.176348611210727,"endHours":10.861986978423825,"quality":"inauspicious"},{"name":"Śubha","start":"10:52","end":"12:33","startHours":10.861986978423825,"endHours":12.547625345636924,"quality":"auspicious"},{"name":"Roga","start":"12:33","end":"14:14","startHours":12.547625345636924,"endHours":14.233263712850022,"quality":"inauspicious"},{"name":"Udveg","start":"14:14","end":"15:55","startHours":14.233263712850022,"endHours":15.91890208006312,"quality":"inauspicious"},{"name":"Chala","start":"15:55","end":"17:36","startHours":15.91890208006312,"endHours":17.604540447276218,"quality":"neutral"},{"name":"Labha","start":"17:36","end":"19:17","startHours":17.604540447276218,"endHours":19.290178814489316,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"19:17","end":"20:36","startHours":19.290178814489316,"endHours":20.604540447276218,"quality":"inauspicious"},{"name":"Chala","start":"20:36","end":"21:55","startHours":20.604540447276218,"endHours":21.91890208006312,"quality":"neutral"},{"name":"Labha","start":"21:55","end":"23:14","startHours":21.91890208006312,"endHours":23.23326371285002,"quality":"auspicious"},{"name":"Amṛta","start":"23:14","end":"00:33","startHours":23.23326371285002,"endHours":24.547625345636924,"quality":"auspicious"},{"name":"Kāla","start":"00:33","end":"01:52","startHours":24.547625345636924,"endHours":25.861986978423825,"quality":"inauspicious"},{"name":"Śubha","start":"01:52","end":"03:11","startHours":25.861986978423825,"endHours":27.176348611210727,"quality":"auspicious"},{"name":"Roga","start":"03:11","end":"04:29","startHours":27.176348611210727,"endHours":28.49071024399763,"quality":"inauspicious"},{"name":"Udveg","start":"04:29","end":"05:48","startHours":28.49071024399763,"endHours":29.80507187678453,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:48","end":"06:48","startHours":5.805071876784531,"endHours":6.805071876784531,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:48","end":"07:48","startHours":6.805071876784531,"endHours":7.805071876784531,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:48","end":"08:48","startHours":7.805071876784531,"endHours":8.805071876784531,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:48","end":"09:48","startHours":8.805071876784531,"endHours":9.805071876784531,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:48","end":"10:48","startHours":9.805071876784531,"endHours":10.805071876784531,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:48","end":"11:48","startHours":10.805071876784531,"endHours":11.805071876784531,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:48","end":"12:48","startHours":11.805071876784531,"endHours":12.805071876784531,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:48","end":"13:48","startHours":12.805071876784531,"endHours":13.805071876784531,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:48","end":"14:48","startHours":13.805071876784531,"endHours":14.805071876784531,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:48","end":"15:48","startHours":14.805071876784531,"endHours":15.805071876784531,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:48","end":"16:48","startHours":15.805071876784531,"endHours":16.80507187678453,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:48","end":"17:48","startHours":16.80507187678453,"endHours":17.80507187678453,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:48","end":"18:48","startHours":17.80507187678453,"endHours":18.80507187678453,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:48","end":"19:48","startHours":18.80507187678453,"endHours":19.80507187678453,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:48","end":"20:48","startHours":19.80507187678453,"endHours":20.80507187678453,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:48","end":"21:48","startHours":20.80507187678453,"endHours":21.80507187678453,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:48","end":"22:48","startHours":21.80507187678453,"endHours":22.80507187678453,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:48","end":"23:48","startHours":22.80507187678453,"endHours":23.80507187678453,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:48","end":"00:48","startHours":23.80507187678453,"endHours":24.80507187678453,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:48","end":"01:48","startHours":24.80507187678453,"endHours":25.80507187678453,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:48","end":"02:48","startHours":25.80507187678453,"endHours":26.80507187678453,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:48","end":"03:48","startHours":26.80507187678453,"endHours":27.80507187678453,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:48","end":"04:48","startHours":27.80507187678453,"endHours":28.80507187678453,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:48","end":"05:48","startHours":28.80507187678453,"endHours":29.80507187678453,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"South-West","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":14.849960684270211,"eotMinutes":-4.561520738215509,"ayanamsa":22.1713}},"calendars":{"vikram_samvat":1936,"vikram_samvatsara":"Nandana","saka_samvat":1801,"saka_samvatsara":"Pramāthi","bengali_samvat":1286,"malayalam_era":1055,"nanakshahi_year":410,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Ekādaśī · Vikram 1936 Nandana · Śaka 1801 Pramāthi"},"festivals":[{"id":"indira-ekadashi","name":"Indirā Ekādaśī","name_sanskrit":"इन्दिरा एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Falls in Pitṛ Pakṣa; liberates ancestors from naraka.","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Bhādrapada"},"precedence":3},{"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":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[]},"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 August 13, 1879 CE · Phoenix, USA · Vidhyamitra","description":"August 13, 1879 CE for Phoenix, USA: Kṛṣṇa Ekādaśī, sūryodaya 05:48, sūryāsta 19:17.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1879-08-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1879-08-13","sa":"https://sa.vidhyamitra.com/city/phoenix/1879-08-13","hi":"https://hi.vidhyamitra.com/city/phoenix/1879-08-13","x-default":"https://vidhyamitra.com/city/phoenix/1879-08-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T04:24:43.217Z","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":"2026-06-02T04:24:43.217Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T04:24:43.217Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}