{"id":"vidhyamitra:city-day:phoenix:2011-05-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2011-05-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-05-07","date_display":"May 7, 2011 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":2011,"month":5,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455688.770833,"kali_year":5113,"ahargana":1867223.2708,"sun":{"sidereal_longitude":22.1503,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":67.3775,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":45.2272,"elapsed_within_tithi_degrees":9.2272},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":67.3775,"elapsed_within_degrees":0.7108},"yoga":{"number":7,"name":"Sukarma","sum_longitude":89.5277},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"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":2011,"month":5,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455688.770833,"ahargana":1867223.2708,"kali_year":5113,"ayanamsa_lahiri":24.0115,"grahas":{"sun":{"sidereal_longitude":22.145287999999994,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":65.13268800000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false,"latitude":-0.1453},"mars":{"sidereal_longitude":2.5864879999999744,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":355.505688,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":359.682188,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":355.086888,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":167.301688,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":245.5254,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":65.5254,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4},"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":2011,"month":5,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455688.770833,"kali_year":5113,"ahargana":1867223.2708,"sun":{"sidereal_longitude":22.1503,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":67.3775,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":45.2272,"elapsed_within_tithi_degrees":9.2272},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":67.3775,"elapsed_within_degrees":0.7108},"yoga":{"number":7,"name":"Sukarma","sum_longitude":89.5277},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.145,"elongation":45.227},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.145,"opposition_distance":134.773}},"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":"05:35","sunsetLocal":"19:15","solarNoonLocal":"12:25","dayLengthHours":13.663216449166002,"dayLengthDisplay":"13 Hours 39 Mins 48 Secs","nightLengthDisplay":"10 Hours 20 Mins 12 Secs","moonriseLocal":"08:07","moonsetLocal":"22:26","rahuKala":{"name":"Rāhu Kāla","start":"09:00","end":"10:42","startHours":8.997268210925066,"endHours":10.705170267070816,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:07","end":"15:50","startHours":14.120974379362318,"endHours":15.828876435508068,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:35","end":"07:17","startHours":5.581464098633566,"endHours":7.289366154779316,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:46","end":"09:13","startHours":8.7695479367723,"endHours":9.224988485077834,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:09","end":"06:31","startHours":6.150764784015482,"endHours":6.515117222659909,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:52","startHours":11.957631774911034,"endHours":12.868512871522102,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:46","end":"04:40","startHours":3.759701905411432,"endHours":4.670583002022499,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:27","end":"05:35","startHours":4.442862727869732,"endHours":5.581464098633566,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:41","end":"15:36","startHours":14.690275064744235,"endHours":15.601156161355302,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:03","end":"19:27","startHours":19.04468054779957,"endHours":19.444680547799567,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:15","end":"19:49","startHours":19.244680547799568,"endHours":19.813981233181487,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:00","end":"20:45","startHours":18.994680547799568,"endHours":20.744680547799568,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:52","startHours":23.957631774911036,"endHours":24.8685128715221,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:35","end":"07:17","startHours":5.581464098633566,"endHours":7.289366154779316,"quality":"inauspicious"},{"name":"Śubha","start":"07:17","end":"09:00","startHours":7.289366154779316,"endHours":8.997268210925066,"quality":"auspicious"},{"name":"Roga","start":"09:00","end":"10:42","startHours":8.997268210925066,"endHours":10.705170267070816,"quality":"inauspicious"},{"name":"Udveg","start":"10:42","end":"12:25","startHours":10.705170267070816,"endHours":12.413072323216568,"quality":"inauspicious"},{"name":"Chala","start":"12:25","end":"14:07","startHours":12.413072323216568,"endHours":14.120974379362318,"quality":"neutral"},{"name":"Labha","start":"14:07","end":"15:50","startHours":14.120974379362318,"endHours":15.828876435508068,"quality":"auspicious"},{"name":"Amṛta","start":"15:50","end":"17:32","startHours":15.828876435508068,"endHours":17.53677849165382,"quality":"auspicious"},{"name":"Kāla","start":"17:32","end":"19:15","startHours":17.53677849165382,"endHours":19.244680547799568,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:15","end":"20:32","startHours":19.244680547799568,"endHours":20.536778491653816,"quality":"auspicious"},{"name":"Amṛta","start":"20:32","end":"21:50","startHours":20.536778491653816,"endHours":21.828876435508068,"quality":"auspicious"},{"name":"Kāla","start":"21:50","end":"23:07","startHours":21.828876435508068,"endHours":23.120974379362316,"quality":"inauspicious"},{"name":"Śubha","start":"23:07","end":"00:25","startHours":23.120974379362316,"endHours":24.413072323216568,"quality":"auspicious"},{"name":"Roga","start":"00:25","end":"01:42","startHours":24.413072323216568,"endHours":25.705170267070816,"quality":"inauspicious"},{"name":"Udveg","start":"01:42","end":"03:00","startHours":25.705170267070816,"endHours":26.997268210925064,"quality":"inauspicious"},{"name":"Chala","start":"03:00","end":"04:17","startHours":26.997268210925064,"endHours":28.289366154779316,"quality":"neutral"},{"name":"Labha","start":"04:17","end":"05:35","startHours":28.289366154779316,"endHours":29.581464098633568,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:35","end":"06:35","startHours":5.581464098633566,"endHours":6.581464098633566,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:35","end":"07:35","startHours":6.581464098633566,"endHours":7.581464098633566,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:35","end":"08:35","startHours":7.581464098633566,"endHours":8.581464098633566,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:35","end":"09:35","startHours":8.581464098633566,"endHours":9.581464098633566,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:35","end":"10:35","startHours":9.581464098633566,"endHours":10.581464098633566,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:35","end":"11:35","startHours":10.581464098633566,"endHours":11.581464098633566,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:35","end":"12:35","startHours":11.581464098633566,"endHours":12.581464098633566,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:35","end":"13:35","startHours":12.581464098633566,"endHours":13.581464098633566,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:35","end":"14:35","startHours":13.581464098633566,"endHours":14.581464098633566,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:35","end":"15:35","startHours":14.581464098633566,"endHours":15.581464098633566,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:35","end":"16:35","startHours":15.581464098633566,"endHours":16.581464098633568,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:35","end":"17:35","startHours":16.581464098633568,"endHours":17.581464098633568,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:35","end":"18:35","startHours":17.581464098633568,"endHours":18.581464098633568,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:35","end":"19:35","startHours":18.581464098633568,"endHours":19.581464098633568,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:35","end":"20:35","startHours":19.581464098633568,"endHours":20.581464098633568,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:35","end":"21:35","startHours":20.581464098633568,"endHours":21.581464098633568,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:35","end":"22:35","startHours":21.581464098633568,"endHours":22.581464098633568,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:35","end":"23:35","startHours":22.581464098633568,"endHours":23.581464098633568,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:35","end":"00:35","startHours":23.581464098633568,"endHours":24.581464098633568,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:35","end":"01:35","startHours":24.581464098633568,"endHours":25.581464098633568,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:35","end":"02:35","startHours":25.581464098633568,"endHours":26.581464098633568,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:35","end":"03:35","startHours":26.581464098633568,"endHours":27.581464098633568,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:35","end":"04:35","startHours":27.581464098633568,"endHours":28.581464098633568,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:35","end":"05:35","startHours":28.581464098633568,"endHours":29.581464098633568,"planetary_lord":"Mercury"}],"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":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Kāladaṇḍa","quality":"Inauspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":16.67004812868672,"eotMinutes":3.5116606070058483,"ayanamsa":24.0115}},"calendars":{"vikram_samvat":2068,"vikram_samvatsara":"Krodhi","saka_samvat":1933,"saka_samvatsara":"Khara","bengali_samvat":1418,"malayalam_era":1187,"nanakshahi_year":542,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Caturthī · Vikram 2068 Krodhi · Śaka 1933 Khara"},"festivals":[{"id":"mesha-sankranti","name":"Meṣa Saṅkrānti (Vaiśākhī / Vishu / Pohelā Boishākh / Bihu)","name_sanskrit":"मेष सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aries; solar new year. Regional: Vaiśākhī (Punjab) · Vishu (Kerala) · Pohelā Boishākh (Bengal) · Bihu (Assam) · Tamil Puthāṇḍu.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":1},{"id":"baisakhi","name":"Baisakhi (Vaiśākhī)","name_sanskrit":"वैशाखी","tradition":"Regional","associated_deity":"Sūrya + Khalsa Pantha (Sikh)","significance":"Punjab New Year + Sikh Khalsa founding day.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":2},{"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":"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 May 7, 2011 CE · Phoenix, USA · Vidhyamitra","description":"May 7, 2011 CE for Phoenix, USA: Śukla Caturthī, sūryodaya 05:35, sūryāsta 19:15.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2011-05-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2011-05-07","sa":"https://sa.vidhyamitra.com/city/phoenix/2011-05-07","hi":"https://hi.vidhyamitra.com/city/phoenix/2011-05-07","x-default":"https://vidhyamitra.com/city/phoenix/2011-05-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T22:33:44.372Z","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":"2026-05-15T22:33:44.372Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T22:33:44.372Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}