{"id":"vidhyamitra:city-day:phoenix:1817-07-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1817-07-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1817-07-12","date_display":"July 12, 1817 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":1817,"month":7,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2384897.770833,"kali_year":4919,"ahargana":1796432.2708,"sun":{"sidereal_longitude":87.9642,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":59.0978,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":331.1336,"elapsed_within_tithi_degrees":7.1336},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2,"moon_longitude":59.0978,"elapsed_within_degrees":5.7645},"yoga":{"number":12,"name":"Dhruva","sum_longitude":147.062},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":1817,"month":7,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2384897.770833,"ahargana":1796432.2708,"kali_year":4919,"ayanamsa_lahiri":21.304,"grahas":{"sun":{"sidereal_longitude":87.952425,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"moon":{"sidereal_longitude":59.99602500000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false,"latitude":1.7368},"mars":{"sidereal_longitude":16.526324999999986,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":70.61792500000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":222.31352500000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":46.44372499999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":316.0268249999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":36.3733,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":216.3733,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","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":1817,"month":7,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2384897.770833,"kali_year":4919,"ahargana":1796432.2708,"sun":{"sidereal_longitude":87.9642,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":59.0978,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":331.1336,"elapsed_within_tithi_degrees":7.1336},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2,"moon_longitude":59.0978,"elapsed_within_degrees":5.7645},"yoga":{"number":12,"name":"Dhruva","sum_longitude":147.062},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.737,"elongation":28.866},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.737,"opposition_distance":151.134}},"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":"05:27","sunsetLocal":"19:40","solarNoonLocal":"12:34","dayLengthHours":14.21916515863638,"dayLengthDisplay":"14 Hours 13 Mins 09 Secs","nightLengthDisplay":"9 Hours 46 Mins 51 Secs","moonriseLocal":"03:33","moonsetLocal":"17:51","rahuKala":{"name":"Rāhu Kāla","start":"09:00","end":"10:47","startHours":9.004123209125154,"endHours":10.781518853954703,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:20","end":"16:07","startHours":14.336310143613797,"endHours":16.113705788443347,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:27","end":"07:14","startHours":5.44933191946606,"endHours":7.226727564295607,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:46","end":"09:14","startHours":8.767137123147883,"endHours":9.241109295102428,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:03","end":"06:25","startHours":6.041797134409242,"endHours":6.420974871972879,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:05","end":"13:02","startHours":12.084942326829704,"endHours":13.032886670738797,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:33","end":"04:30","startHours":3.5534432316478757,"endHours":4.501387575556968,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:16","end":"05:27","startHours":4.2644014895796944,"endHours":5.44933191946606,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:56","end":"15:53","startHours":14.928775358556981,"endHours":15.876719702466074,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:28","end":"19:52","startHours":19.46849707810244,"endHours":19.86849707810244,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:40","end":"20:16","startHours":19.66849707810244,"endHours":20.260962293045623,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:25","end":"21:10","startHours":19.41849707810244,"endHours":21.16849707810244,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:05","end":"01:02","startHours":24.084942326829704,"endHours":25.032886670738797,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:27","end":"07:14","startHours":5.44933191946606,"endHours":7.226727564295607,"quality":"inauspicious"},{"name":"Śubha","start":"07:14","end":"09:00","startHours":7.226727564295607,"endHours":9.004123209125154,"quality":"auspicious"},{"name":"Roga","start":"09:00","end":"10:47","startHours":9.004123209125154,"endHours":10.781518853954703,"quality":"inauspicious"},{"name":"Udveg","start":"10:47","end":"12:34","startHours":10.781518853954703,"endHours":12.558914498784251,"quality":"inauspicious"},{"name":"Chala","start":"12:34","end":"14:20","startHours":12.558914498784251,"endHours":14.336310143613797,"quality":"neutral"},{"name":"Labha","start":"14:20","end":"16:07","startHours":14.336310143613797,"endHours":16.113705788443347,"quality":"auspicious"},{"name":"Amṛta","start":"16:07","end":"17:53","startHours":16.113705788443347,"endHours":17.891101433272894,"quality":"auspicious"},{"name":"Kāla","start":"17:53","end":"19:40","startHours":17.891101433272894,"endHours":19.66849707810244,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:40","end":"20:53","startHours":19.66849707810244,"endHours":20.891101433272894,"quality":"auspicious"},{"name":"Amṛta","start":"20:53","end":"22:07","startHours":20.891101433272894,"endHours":22.113705788443344,"quality":"auspicious"},{"name":"Kāla","start":"22:07","end":"23:20","startHours":22.113705788443344,"endHours":23.336310143613797,"quality":"inauspicious"},{"name":"Śubha","start":"23:20","end":"00:34","startHours":23.336310143613797,"endHours":24.55891449878425,"quality":"auspicious"},{"name":"Roga","start":"00:34","end":"01:47","startHours":24.55891449878425,"endHours":25.7815188539547,"quality":"inauspicious"},{"name":"Udveg","start":"01:47","end":"03:00","startHours":25.7815188539547,"endHours":27.004123209125154,"quality":"inauspicious"},{"name":"Chala","start":"03:00","end":"04:14","startHours":27.004123209125154,"endHours":28.226727564295608,"quality":"neutral"},{"name":"Labha","start":"04:14","end":"05:27","startHours":28.226727564295608,"endHours":29.44933191946606,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:27","end":"06:27","startHours":5.44933191946606,"endHours":6.44933191946606,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:27","end":"07:27","startHours":6.44933191946606,"endHours":7.44933191946606,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:27","end":"08:27","startHours":7.44933191946606,"endHours":8.44933191946606,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:27","end":"09:27","startHours":8.44933191946606,"endHours":9.44933191946606,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:27","end":"10:27","startHours":9.44933191946606,"endHours":10.44933191946606,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:27","end":"11:27","startHours":10.44933191946606,"endHours":11.44933191946606,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:27","end":"12:27","startHours":11.44933191946606,"endHours":12.44933191946606,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:27","end":"13:27","startHours":12.44933191946606,"endHours":13.44933191946606,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:27","end":"14:27","startHours":13.44933191946606,"endHours":14.44933191946606,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:27","end":"15:27","startHours":14.44933191946606,"endHours":15.44933191946606,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:27","end":"16:27","startHours":15.44933191946606,"endHours":16.44933191946606,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:27","end":"17:27","startHours":16.44933191946606,"endHours":17.44933191946606,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:27","end":"18:27","startHours":17.44933191946606,"endHours":18.44933191946606,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:27","end":"19:27","startHours":18.44933191946606,"endHours":19.44933191946606,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:27","end":"20:27","startHours":19.44933191946606,"endHours":20.44933191946606,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:27","end":"21:27","startHours":20.44933191946606,"endHours":21.44933191946606,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:27","end":"22:27","startHours":21.44933191946606,"endHours":22.44933191946606,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:27","end":"23:27","startHours":22.44933191946606,"endHours":23.44933191946606,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:27","end":"00:27","startHours":23.44933191946606,"endHours":24.44933191946606,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:27","end":"01:27","startHours":24.44933191946606,"endHours":25.44933191946606,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:27","end":"02:27","startHours":25.44933191946606,"endHours":26.44933191946606,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:27","end":"03:27","startHours":26.44933191946606,"endHours":27.44933191946606,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:27","end":"04:27","startHours":27.44933191946606,"endHours":28.44933191946606,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:27","end":"05:27","startHours":28.44933191946606,"endHours":29.44933191946606,"planetary_lord":"Mercury"}],"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":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":22.053991700415796,"eotMinutes":-5.238869927055064,"ayanamsa":21.304}},"calendars":{"vikram_samvat":1874,"vikram_samvatsara":"Vikṛti","saka_samvat":1739,"saka_samvatsara":"Īśvara","bengali_samvat":1224,"malayalam_era":993,"nanakshahi_year":348,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Āṣāḍha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mithuna (Āni)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Trayodaśī · Vikram 1874 Vikṛti · Śaka 1739 Īśvara"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 July 12, 1817 CE · Phoenix, USA · Vidhyamitra","description":"July 12, 1817 CE for Phoenix, USA: Kṛṣṇa Trayodaśī, sūryodaya 05:27, sūryāsta 19:40.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1817-07-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1817-07-12","sa":"https://sa.vidhyamitra.com/city/phoenix/1817-07-12","hi":"https://hi.vidhyamitra.com/city/phoenix/1817-07-12","x-default":"https://vidhyamitra.com/city/phoenix/1817-07-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-05T01:13:37.925Z","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":"2026-06-05T01:13:37.925Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-05T01:13:37.925Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}