{"id":"vidhyamitra:city-day:phoenix:2091-08-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2091-08-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2091-08-21","date_display":"August 21, 2091 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":2091,"month":8,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2485014.770833,"kali_year":5193,"ahargana":1896549.2708,"sun":{"sidereal_longitude":122.311,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":201.2903,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":78.9793,"elapsed_within_tithi_degrees":6.9793},"nakshatra":{"number":16,"name":"Viśākhā","pada":1,"moon_longitude":201.2903,"elapsed_within_degrees":1.2903},"yoga":{"number":25,"name":"Brahma","sum_longitude":323.6013},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2091,"month":8,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2485014.770833,"ahargana":1896549.2708,"kali_year":5193,"ayanamsa_lahiri":25.1331,"grahas":{"sun":{"sidereal_longitude":123.16981899999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":203.994419,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false,"latitude":4.2172},"mars":{"sidereal_longitude":183.02871900000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":104.34941900000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":257.06431900000007,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":129.329519,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":70.53881899999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":131.6928,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":311.6928,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":2091,"month":8,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2485014.770833,"kali_year":5193,"ahargana":1896549.2708,"sun":{"sidereal_longitude":122.311,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":201.2903,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":78.9793,"elapsed_within_tithi_degrees":6.9793},"nakshatra":{"number":16,"name":"Viśākhā","pada":1,"moon_longitude":201.2903,"elapsed_within_degrees":1.2903},"yoga":{"number":25,"name":"Brahma","sum_longitude":323.6013},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.217,"elongation":78.979},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.217,"opposition_distance":101.021}},"eclipse_window_40days":[{"offset_days":-6,"type":"solar","occurs":true,"moon_latitude":-1.268,"elongation":0.94},{"offset_days":8,"type":"lunar","occurs":true,"moon_latitude":-0.052,"opposition_distance":1.943}]},"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":"05:55","sunsetLocal":"19:08","solarNoonLocal":"12:31","dayLengthHours":13.219727126223143,"dayLengthDisplay":"13 Hours 13 Mins 11 Secs","nightLengthDisplay":"10 Hours 46 Mins 49 Secs","moonriseLocal":"12:39","moonsetLocal":"23:09","rahuKala":{"name":"Rāhu Kāla","start":"15:49","end":"17:29","startHours":15.823163336822363,"endHours":17.475629227600255,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:13","end":"10:52","startHours":9.21329977371079,"endHours":10.865765664488684,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:31","end":"14:10","startHours":12.518231555266578,"endHours":14.17069744604447,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:00","end":"09:26","startHours":8.99297098827374,"endHours":9.433628559147843,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:28","end":"06:49","startHours":6.459189955747636,"endHours":6.81171601244692,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:05","end":"12:58","startHours":12.077573984392473,"endHours":12.958889126140683,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:09","end":"05:02","startHours":4.1457377086585865,"endHours":5.027052850406796,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:48","end":"05:55","startHours":4.806724064969743,"endHours":5.908367992155005,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:43","end":"15:36","startHours":14.721519409637102,"endHours":15.602834551385312,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:56","end":"19:20","startHours":18.92809511837815,"endHours":19.328095118378148,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:08","end":"19:41","startHours":19.12809511837815,"endHours":19.67891708197078,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:53","end":"20:38","startHours":18.87809511837815,"endHours":20.62809511837815,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:05","end":"00:58","startHours":24.077573984392473,"endHours":24.958889126140683,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:55","end":"07:34","startHours":5.908367992155005,"endHours":7.560833882932898,"quality":"inauspicious"},{"name":"Udveg","start":"07:34","end":"09:13","startHours":7.560833882932898,"endHours":9.21329977371079,"quality":"inauspicious"},{"name":"Chala","start":"09:13","end":"10:52","startHours":9.21329977371079,"endHours":10.865765664488684,"quality":"neutral"},{"name":"Labha","start":"10:52","end":"12:31","startHours":10.865765664488684,"endHours":12.518231555266578,"quality":"auspicious"},{"name":"Amṛta","start":"12:31","end":"14:10","startHours":12.518231555266578,"endHours":14.17069744604447,"quality":"auspicious"},{"name":"Kāla","start":"14:10","end":"15:49","startHours":14.17069744604447,"endHours":15.823163336822363,"quality":"inauspicious"},{"name":"Śubha","start":"15:49","end":"17:29","startHours":15.823163336822363,"endHours":17.475629227600255,"quality":"auspicious"},{"name":"Roga","start":"17:29","end":"19:08","startHours":17.475629227600255,"endHours":19.12809511837815,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"19:08","end":"20:29","startHours":19.12809511837815,"endHours":20.475629227600255,"quality":"inauspicious"},{"name":"Śubha","start":"20:29","end":"21:49","startHours":20.475629227600255,"endHours":21.82316333682236,"quality":"auspicious"},{"name":"Roga","start":"21:49","end":"23:10","startHours":21.82316333682236,"endHours":23.17069744604447,"quality":"inauspicious"},{"name":"Udveg","start":"23:10","end":"00:31","startHours":23.17069744604447,"endHours":24.518231555266578,"quality":"inauspicious"},{"name":"Chala","start":"00:31","end":"01:52","startHours":24.518231555266578,"endHours":25.865765664488684,"quality":"neutral"},{"name":"Labha","start":"01:52","end":"03:13","startHours":25.865765664488684,"endHours":27.21329977371079,"quality":"auspicious"},{"name":"Amṛta","start":"03:13","end":"04:34","startHours":27.21329977371079,"endHours":28.560833882932897,"quality":"auspicious"},{"name":"Kāla","start":"04:34","end":"05:55","startHours":28.560833882932897,"endHours":29.908367992155007,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:55","end":"06:55","startHours":5.908367992155005,"endHours":6.908367992155005,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:55","end":"07:55","startHours":6.908367992155005,"endHours":7.908367992155005,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:55","end":"08:55","startHours":7.908367992155005,"endHours":8.908367992155005,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:55","end":"09:55","startHours":8.908367992155005,"endHours":9.908367992155005,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:55","end":"10:55","startHours":9.908367992155005,"endHours":10.908367992155005,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:55","end":"11:55","startHours":10.908367992155005,"endHours":11.908367992155005,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:55","end":"12:55","startHours":11.908367992155005,"endHours":12.908367992155005,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:55","end":"13:55","startHours":12.908367992155005,"endHours":13.908367992155005,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:55","end":"14:55","startHours":13.908367992155005,"endHours":14.908367992155005,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:55","end":"15:55","startHours":14.908367992155005,"endHours":15.908367992155005,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:55","end":"16:55","startHours":15.908367992155005,"endHours":16.908367992155007,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:55","end":"17:55","startHours":16.908367992155007,"endHours":17.908367992155007,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:55","end":"18:55","startHours":17.908367992155007,"endHours":18.908367992155007,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:55","end":"19:55","startHours":18.908367992155007,"endHours":19.908367992155007,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:55","end":"20:55","startHours":19.908367992155007,"endHours":20.908367992155007,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:55","end":"21:55","startHours":20.908367992155007,"endHours":21.908367992155007,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:55","end":"22:55","startHours":21.908367992155007,"endHours":22.908367992155007,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:55","end":"23:55","startHours":22.908367992155007,"endHours":23.908367992155007,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:55","end":"00:55","startHours":23.908367992155007,"endHours":24.908367992155007,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:55","end":"01:55","startHours":24.908367992155007,"endHours":25.908367992155007,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:55","end":"02:55","startHours":25.908367992155007,"endHours":26.908367992155007,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:55","end":"03:55","startHours":26.908367992155007,"endHours":27.908367992155007,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:55","end":"04:55","startHours":27.908367992155007,"endHours":28.908367992155007,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:55","end":"05:55","startHours":28.908367992155007,"endHours":29.908367992155007,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"North","rahuVasa":"North","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":12.062578066098153,"eotMinutes":-2.7978933159948465,"ayanamsa":25.1331}},"calendars":{"vikram_samvat":2148,"vikram_samvatsara":"Raktākṣī","saka_samvat":2013,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1498,"malayalam_era":1267,"nanakshahi_year":622,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Saptamī · Vikram 2148 Raktākṣī · Śaka 2013 Virodhakṛt"},"festivals":[],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","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 August 21, 2091 CE · Phoenix, USA · Vidhyamitra","description":"August 21, 2091 CE for Phoenix, USA: Śukla Saptamī, sūryodaya 05:55, sūryāsta 19:08.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2091-08-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2091-08-21","sa":"https://sa.vidhyamitra.com/city/phoenix/2091-08-21","hi":"https://hi.vidhyamitra.com/city/phoenix/2091-08-21","x-default":"https://vidhyamitra.com/city/phoenix/2091-08-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T07:08:51.349Z","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":"2026-06-02T07:08:51.349Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T07:08:51.349Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}