{"id":"vidhyamitra:city-day:phoenix:2091-07-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2091-07-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2091-07-20","date_display":"July 20, 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":7,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484982.770833,"kali_year":5193,"ahargana":1896517.2708,"sun":{"sidereal_longitude":91.8492,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":134.9998,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":43.1506,"elapsed_within_tithi_degrees":7.1506},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":134.9998,"elapsed_within_degrees":1.6665},"yoga":{"number":18,"name":"Varīyān","sum_longitude":226.8491},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"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":2091,"month":7,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2484982.770833,"ahargana":1896517.2708,"kali_year":5193,"ayanamsa_lahiri":25.1319,"grahas":{"sun":{"sidereal_longitude":92.524542,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"moon":{"sidereal_longitude":136.355142,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false,"latitude":0.1264},"mars":{"sidereal_longitude":163.86984200000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":104.13514199999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":260.147342,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":89.86334199999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":67.00224200000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":133.3883,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":313.3883,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"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":7,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484982.770833,"kali_year":5193,"ahargana":1896517.2708,"sun":{"sidereal_longitude":91.8492,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":134.9998,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":43.1506,"elapsed_within_tithi_degrees":7.1506},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":134.9998,"elapsed_within_degrees":1.6665},"yoga":{"number":18,"name":"Varīyān","sum_longitude":226.8491},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.126,"elongation":43.151},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.126,"opposition_distance":136.849}},"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":"05:32","sunsetLocal":"19:36","solarNoonLocal":"12:34","dayLengthHours":14.06698561766271,"dayLengthDisplay":"14 Hours 04 Mins 01 Secs","nightLengthDisplay":"9 Hours 55 Mins 59 Secs","moonriseLocal":"09:07","moonsetLocal":"21:52","rahuKala":{"name":"Rāhu Kāla","start":"10:49","end":"12:34","startHours":10.81313048471145,"endHours":12.57150368691929,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"16:05","end":"17:51","startHours":16.088250091334967,"endHours":17.846623293542805,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:18","end":"09:03","startHours":7.296384080295774,"endHours":9.054757282503612,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:49","end":"09:17","startHours":8.820307522209234,"endHours":9.289207042797992,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:07","end":"06:30","startHours":6.124135278823882,"endHours":6.499254895294888,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:06","end":"13:02","startHours":12.102604166330533,"endHours":13.040403207508046,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:40","end":"04:36","startHours":3.662412795732908,"endHours":4.600211836910422,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:22","end":"05:32","startHours":4.365762076616043,"endHours":5.538010878087936,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:55","end":"15:51","startHours":14.916001289863075,"endHours":15.85380033104059,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:24","end":"19:48","startHours":19.404996495750645,"endHours":19.804996495750643,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:36","end":"20:11","startHours":19.604996495750644,"endHours":20.19112089648659,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:21","end":"21:06","startHours":19.354996495750644,"endHours":21.104996495750644,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:06","end":"01:02","startHours":24.102604166330533,"endHours":25.040403207508046,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:32","end":"07:18","startHours":5.538010878087936,"endHours":7.296384080295774,"quality":"neutral"},{"name":"Labha","start":"07:18","end":"09:03","startHours":7.296384080295774,"endHours":9.054757282503612,"quality":"auspicious"},{"name":"Amṛta","start":"09:03","end":"10:49","startHours":9.054757282503612,"endHours":10.81313048471145,"quality":"auspicious"},{"name":"Kāla","start":"10:49","end":"12:34","startHours":10.81313048471145,"endHours":12.57150368691929,"quality":"inauspicious"},{"name":"Śubha","start":"12:34","end":"14:20","startHours":12.57150368691929,"endHours":14.329876889127128,"quality":"auspicious"},{"name":"Roga","start":"14:20","end":"16:05","startHours":14.329876889127128,"endHours":16.088250091334967,"quality":"inauspicious"},{"name":"Udveg","start":"16:05","end":"17:51","startHours":16.088250091334967,"endHours":17.846623293542805,"quality":"inauspicious"},{"name":"Chala","start":"17:51","end":"19:36","startHours":17.846623293542805,"endHours":19.604996495750644,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:36","end":"20:51","startHours":19.604996495750644,"endHours":20.846623293542805,"quality":"inauspicious"},{"name":"Udveg","start":"20:51","end":"22:05","startHours":20.846623293542805,"endHours":22.088250091334967,"quality":"inauspicious"},{"name":"Chala","start":"22:05","end":"23:20","startHours":22.088250091334967,"endHours":23.329876889127128,"quality":"neutral"},{"name":"Labha","start":"23:20","end":"00:34","startHours":23.329876889127128,"endHours":24.57150368691929,"quality":"auspicious"},{"name":"Amṛta","start":"00:34","end":"01:49","startHours":24.57150368691929,"endHours":25.81313048471145,"quality":"auspicious"},{"name":"Kāla","start":"01:49","end":"03:03","startHours":25.81313048471145,"endHours":27.054757282503612,"quality":"inauspicious"},{"name":"Śubha","start":"03:03","end":"04:18","startHours":27.054757282503612,"endHours":28.296384080295773,"quality":"auspicious"},{"name":"Roga","start":"04:18","end":"05:32","startHours":28.296384080295773,"endHours":29.538010878087935,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:32","end":"06:32","startHours":5.538010878087936,"endHours":6.538010878087936,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:32","end":"07:32","startHours":6.538010878087936,"endHours":7.538010878087936,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:32","end":"08:32","startHours":7.538010878087936,"endHours":8.538010878087935,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:32","end":"09:32","startHours":8.538010878087935,"endHours":9.538010878087935,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:32","end":"10:32","startHours":9.538010878087935,"endHours":10.538010878087935,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:32","end":"11:32","startHours":10.538010878087935,"endHours":11.538010878087935,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:32","end":"12:32","startHours":11.538010878087935,"endHours":12.538010878087935,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:32","end":"13:32","startHours":12.538010878087935,"endHours":13.538010878087935,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:32","end":"14:32","startHours":13.538010878087935,"endHours":14.538010878087935,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:32","end":"15:32","startHours":14.538010878087935,"endHours":15.538010878087935,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:32","end":"16:32","startHours":15.538010878087935,"endHours":16.538010878087935,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:32","end":"17:32","startHours":16.538010878087935,"endHours":17.538010878087935,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:32","end":"18:32","startHours":17.538010878087935,"endHours":18.538010878087935,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:32","end":"19:32","startHours":18.538010878087935,"endHours":19.538010878087935,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:32","end":"20:32","startHours":19.538010878087935,"endHours":20.538010878087935,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:32","end":"21:32","startHours":20.538010878087935,"endHours":21.538010878087935,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:32","end":"22:32","startHours":21.538010878087935,"endHours":22.538010878087935,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:32","end":"23:32","startHours":22.538010878087935,"endHours":23.538010878087935,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:32","end":"00:32","startHours":23.538010878087935,"endHours":24.538010878087935,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:32","end":"01:32","startHours":24.538010878087935,"endHours":25.538010878087935,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:32","end":"02:32","startHours":25.538010878087935,"endHours":26.538010878087935,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:32","end":"03:32","startHours":26.538010878087935,"endHours":27.538010878087935,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:32","end":"04:32","startHours":27.538010878087935,"endHours":28.538010878087935,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:32","end":"05:32","startHours":28.538010878087935,"endHours":29.538010878087935,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"West","rahuVasa":"South-East","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"tropicalRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":20.62746041690863,"eotMinutes":-5.99422121515736,"ayanamsa":25.1319}},"calendars":{"vikram_samvat":2148,"vikram_samvatsara":"Raktākṣī","saka_samvat":2013,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1498,"malayalam_era":1267,"nanakshahi_year":622,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āṣāḍha","lunar_month_amanta":"Āṣāḍha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Caturthī · Vikram 2148 Raktākṣī · Śaka 2013 Virodhakṛt"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"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 July 20, 2091 CE · Phoenix, USA · Vidhyamitra","description":"July 20, 2091 CE for Phoenix, USA: Śukla Caturthī, sūryodaya 05:32, sūryāsta 19:36.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2091-07-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2091-07-20","sa":"https://sa.vidhyamitra.com/city/phoenix/2091-07-20","hi":"https://hi.vidhyamitra.com/city/phoenix/2091-07-20","x-default":"https://vidhyamitra.com/city/phoenix/2091-07-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-30T23:15:30.909Z","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":"2026-05-30T23:15:30.909Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-30T23:15:30.909Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}