{"id":"vidhyamitra:city-day:phoenix:2021-08-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2021-08-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2021-08-06","date_display":"August 6, 2021 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":2021,"month":8,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459432.770833,"kali_year":5123,"ahargana":1870967.2708,"sun":{"sidereal_longitude":109.0511,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":78.5754,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":329.5243,"elapsed_within_tithi_degrees":5.5243},"nakshatra":{"number":6,"name":"Ārdrā","pada":4,"moon_longitude":78.5754,"elapsed_within_degrees":11.9088},"yoga":{"number":15,"name":"Vajra","sum_longitude":187.6265},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2021,"month":8,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2459432.770833,"ahargana":1870967.2708,"kali_year":5123,"ayanamsa_lahiri":24.1547,"grahas":{"sun":{"sidereal_longitude":109.66773999999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":79.94993999999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false,"latitude":2.3445},"mars":{"sidereal_longitude":130.03743999999995,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":114.21253999999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":304.82844,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":143.49663999999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":285.77414,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":47.1503,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":227.1503,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","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":2021,"month":8,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459432.770833,"kali_year":5123,"ahargana":1870967.2708,"sun":{"sidereal_longitude":109.0511,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":78.5754,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":329.5243,"elapsed_within_tithi_degrees":5.5243},"nakshatra":{"number":6,"name":"Ārdrā","pada":4,"moon_longitude":78.5754,"elapsed_within_degrees":11.9088},"yoga":{"number":15,"name":"Vajra","sum_longitude":187.6265},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.344,"elongation":30.476},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.344,"opposition_distance":149.524}},"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":"05:44","sunsetLocal":"19:24","solarNoonLocal":"12:34","dayLengthHours":13.663808024635195,"dayLengthDisplay":"13 Hours 39 Mins 50 Secs","nightLengthDisplay":"10 Hours 20 Mins 10 Secs","moonriseLocal":"03:28","moonsetLocal":"17:42","rahuKala":{"name":"Rāhu Kāla","start":"10:51","end":"12:34","startHours":10.856829415737693,"endHours":12.564805418817091,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:59","end":"17:41","startHours":15.980757424975891,"endHours":17.68873342805529,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:26","end":"09:09","startHours":7.440877409578894,"endHours":9.148853412658294,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:55","end":"09:23","startHours":8.921123278914372,"endHours":9.376583546402212,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:18","end":"06:40","startHours":6.302226740859294,"endHours":6.6665949548495655,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:07","end":"13:01","startHours":12.10934515132925,"endHours":13.020265686304931,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:55","end":"04:49","startHours":3.911060336548135,"endHours":4.821980871523815,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:36","end":"05:44","startHours":4.594250737779895,"endHours":5.7329014064994945,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:51","end":"15:45","startHours":14.842106756256289,"endHours":15.753027291231968,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:12","end":"19:36","startHours":19.19670943113469,"endHours":19.596709431134688,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:24","end":"19:58","startHours":19.39670943113469,"endHours":19.966034765494488,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:09","end":"20:54","startHours":19.14670943113469,"endHours":20.89670943113469,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:07","end":"01:01","startHours":24.10934515132925,"endHours":25.02026568630493,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:44","end":"07:26","startHours":5.7329014064994945,"endHours":7.440877409578894,"quality":"neutral"},{"name":"Labha","start":"07:26","end":"09:09","startHours":7.440877409578894,"endHours":9.148853412658294,"quality":"auspicious"},{"name":"Amṛta","start":"09:09","end":"10:51","startHours":9.148853412658294,"endHours":10.856829415737693,"quality":"auspicious"},{"name":"Kāla","start":"10:51","end":"12:34","startHours":10.856829415737693,"endHours":12.564805418817091,"quality":"inauspicious"},{"name":"Śubha","start":"12:34","end":"14:16","startHours":12.564805418817091,"endHours":14.27278142189649,"quality":"auspicious"},{"name":"Roga","start":"14:16","end":"15:59","startHours":14.27278142189649,"endHours":15.980757424975891,"quality":"inauspicious"},{"name":"Udveg","start":"15:59","end":"17:41","startHours":15.980757424975891,"endHours":17.68873342805529,"quality":"inauspicious"},{"name":"Chala","start":"17:41","end":"19:24","startHours":17.68873342805529,"endHours":19.39670943113469,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:24","end":"20:41","startHours":19.39670943113469,"endHours":20.68873342805529,"quality":"inauspicious"},{"name":"Udveg","start":"20:41","end":"21:59","startHours":20.68873342805529,"endHours":21.98075742497589,"quality":"inauspicious"},{"name":"Chala","start":"21:59","end":"23:16","startHours":21.98075742497589,"endHours":23.27278142189649,"quality":"neutral"},{"name":"Labha","start":"23:16","end":"00:34","startHours":23.27278142189649,"endHours":24.56480541881709,"quality":"auspicious"},{"name":"Amṛta","start":"00:34","end":"01:51","startHours":24.56480541881709,"endHours":25.856829415737693,"quality":"auspicious"},{"name":"Kāla","start":"01:51","end":"03:09","startHours":25.856829415737693,"endHours":27.14885341265829,"quality":"inauspicious"},{"name":"Śubha","start":"03:09","end":"04:26","startHours":27.14885341265829,"endHours":28.440877409578892,"quality":"auspicious"},{"name":"Roga","start":"04:26","end":"05:44","startHours":28.440877409578892,"endHours":29.732901406499494,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:44","end":"06:44","startHours":5.7329014064994945,"endHours":6.7329014064994945,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:44","end":"07:44","startHours":6.7329014064994945,"endHours":7.7329014064994945,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:44","end":"08:44","startHours":7.7329014064994945,"endHours":8.732901406499494,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:44","end":"09:44","startHours":8.732901406499494,"endHours":9.732901406499494,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:44","end":"10:44","startHours":9.732901406499494,"endHours":10.732901406499494,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:44","end":"11:44","startHours":10.732901406499494,"endHours":11.732901406499494,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:44","end":"12:44","startHours":11.732901406499494,"endHours":12.732901406499494,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:44","end":"13:44","startHours":12.732901406499494,"endHours":13.732901406499494,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:44","end":"14:44","startHours":13.732901406499494,"endHours":14.732901406499494,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:44","end":"15:44","startHours":14.732901406499494,"endHours":15.732901406499494,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:44","end":"16:44","startHours":15.732901406499494,"endHours":16.732901406499494,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:44","end":"17:44","startHours":16.732901406499494,"endHours":17.732901406499494,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:44","end":"18:44","startHours":17.732901406499494,"endHours":18.732901406499494,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:44","end":"19:44","startHours":18.732901406499494,"endHours":19.732901406499494,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:44","end":"20:44","startHours":19.732901406499494,"endHours":20.732901406499494,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:44","end":"21:44","startHours":20.732901406499494,"endHours":21.732901406499494,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:44","end":"22:44","startHours":21.732901406499494,"endHours":22.732901406499494,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:44","end":"23:44","startHours":22.732901406499494,"endHours":23.732901406499494,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:44","end":"00:44","startHours":23.732901406499494,"endHours":24.732901406499494,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:44","end":"01:44","startHours":24.732901406499494,"endHours":25.732901406499494,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:44","end":"02:44","startHours":25.732901406499494,"endHours":26.732901406499494,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:44","end":"03:44","startHours":26.732901406499494,"endHours":27.732901406499494,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:44","end":"04:44","startHours":27.732901406499494,"endHours":28.732901406499494,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:44","end":"05:44","startHours":28.732901406499494,"endHours":29.732901406499494,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"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":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":16.67602093323291,"eotMinutes":-5.592325129025582,"ayanamsa":24.1547}},"calendars":{"vikram_samvat":2078,"vikram_samvatsara":"Ānanda","saka_samvat":1943,"saka_samvatsara":"Plava","bengali_samvat":1428,"malayalam_era":1197,"nanakshahi_year":552,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Trayodaśī · Vikram 2078 Ānanda · Śaka 1943 Plava"},"festivals":[{"id":"karka-sankranti","name":"Karka Saṅkrānti (Dakṣiṇāyana)","name_sanskrit":"कर्क सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Cancer; Dakṣiṇāyana (south-going) begins. Devatā-rātri begins.","vrata":true,"detection":{"sun_rashi":"Karka"},"precedence":2},{"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":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 6, 2021 CE · Phoenix, USA · Vidhyamitra","description":"August 6, 2021 CE for Phoenix, USA: Kṛṣṇa Trayodaśī, sūryodaya 05:44, sūryāsta 19:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2021-08-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2021-08-06","sa":"https://sa.vidhyamitra.com/city/phoenix/2021-08-06","hi":"https://hi.vidhyamitra.com/city/phoenix/2021-08-06","x-default":"https://vidhyamitra.com/city/phoenix/2021-08-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T06:21:50.303Z","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":"2026-05-15T06:21:50.303Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T06:21:50.303Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}