{"id":"vidhyamitra:city-day:phoenix:2011-04-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2011-04-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-04-28","date_display":"April 28, 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":4,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455679.770833,"kali_year":5113,"ahargana":1867214.2708,"sun":{"sidereal_longitude":13.4637,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":313.7342,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":300.2705,"elapsed_within_tithi_degrees":0.2705},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3,"moon_longitude":313.7342,"elapsed_within_degrees":7.0676},"yoga":{"number":25,"name":"Brahma","sum_longitude":327.1979},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":4,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455679.770833,"ahargana":1867214.2708,"kali_year":5113,"ayanamsa_lahiri":24.0111,"grahas":{"sun":{"sidereal_longitude":13.41203200000001,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":315.93553199999997,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false,"latitude":4.1638},"mars":{"sidereal_longitude":355.75073199999997,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":349.596932,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":357.577232,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":344.179832,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":167.857532,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":246.0023,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":66.0023,"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":4,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455679.770833,"kali_year":5113,"ahargana":1867214.2708,"sun":{"sidereal_longitude":13.4637,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":313.7342,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":300.2705,"elapsed_within_tithi_degrees":0.2705},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3,"moon_longitude":313.7342,"elapsed_within_degrees":7.0676},"yoga":{"number":25,"name":"Brahma","sum_longitude":327.1979},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.164,"elongation":59.729},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.164,"opposition_distance":120.271}},"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":"19:08","solarNoonLocal":"12:26","dayLengthHours":13.402055189453506,"dayLengthDisplay":"13 Hours 24 Mins 07 Secs","nightLengthDisplay":"10 Hours 35 Mins 53 Secs","moonriseLocal":"02:54","moonsetLocal":"14:18","rahuKala":{"name":"Rāhu Kāla","start":"14:06","end":"15:47","startHours":14.105317396091358,"endHours":15.780574294773047,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:44","end":"07:24","startHours":5.729032902682916,"endHours":7.404289801364604,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:05","end":"10:45","startHours":9.079546700046293,"endHours":10.754803598727982,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:51","end":"09:18","startHours":8.8561791135554,"endHours":9.302914286537185,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:17","end":"06:39","startHours":6.2874518689101455,"endHours":6.6448400072955724,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:59","end":"12:53","startHours":11.983325324427886,"endHours":12.876795670391454,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:57","end":"04:50","startHours":3.942092210755782,"endHours":4.835562556719349,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:37","end":"05:44","startHours":4.612194970228457,"endHours":5.729032902682916,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:40","end":"15:33","startHours":14.663736362318588,"endHours":15.557206708282155,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:56","end":"19:20","startHours":18.931088092136424,"endHours":19.331088092136422,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:08","end":"19:41","startHours":19.131088092136423,"endHours":19.689507058363652,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:53","end":"20:38","startHours":18.881088092136423,"endHours":20.631088092136423,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:59","end":"00:53","startHours":23.983325324427888,"endHours":24.876795670391452,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:44","end":"07:24","startHours":5.729032902682916,"endHours":7.404289801364604,"quality":"auspicious"},{"name":"Roga","start":"07:24","end":"09:05","startHours":7.404289801364604,"endHours":9.079546700046293,"quality":"inauspicious"},{"name":"Udveg","start":"09:05","end":"10:45","startHours":9.079546700046293,"endHours":10.754803598727982,"quality":"inauspicious"},{"name":"Chala","start":"10:45","end":"12:26","startHours":10.754803598727982,"endHours":12.43006049740967,"quality":"neutral"},{"name":"Labha","start":"12:26","end":"14:06","startHours":12.43006049740967,"endHours":14.105317396091358,"quality":"auspicious"},{"name":"Amṛta","start":"14:06","end":"15:47","startHours":14.105317396091358,"endHours":15.780574294773047,"quality":"auspicious"},{"name":"Kāla","start":"15:47","end":"17:27","startHours":15.780574294773047,"endHours":17.455831193454735,"quality":"inauspicious"},{"name":"Śubha","start":"17:27","end":"19:08","startHours":17.455831193454735,"endHours":19.131088092136423,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:08","end":"20:27","startHours":19.131088092136423,"endHours":20.455831193454735,"quality":"auspicious"},{"name":"Kāla","start":"20:27","end":"21:47","startHours":20.455831193454735,"endHours":21.780574294773047,"quality":"inauspicious"},{"name":"Śubha","start":"21:47","end":"23:06","startHours":21.780574294773047,"endHours":23.10531739609136,"quality":"auspicious"},{"name":"Roga","start":"23:06","end":"00:26","startHours":23.10531739609136,"endHours":24.43006049740967,"quality":"inauspicious"},{"name":"Udveg","start":"00:26","end":"01:45","startHours":24.43006049740967,"endHours":25.75480359872798,"quality":"inauspicious"},{"name":"Chala","start":"01:45","end":"03:05","startHours":25.75480359872798,"endHours":27.079546700046293,"quality":"neutral"},{"name":"Labha","start":"03:05","end":"04:24","startHours":27.079546700046293,"endHours":28.404289801364605,"quality":"auspicious"},{"name":"Amṛta","start":"04:24","end":"05:44","startHours":28.404289801364605,"endHours":29.729032902682917,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:44","end":"06:44","startHours":5.729032902682916,"endHours":6.729032902682916,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:44","end":"07:44","startHours":6.729032902682916,"endHours":7.729032902682916,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:44","end":"08:44","startHours":7.729032902682916,"endHours":8.729032902682917,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:44","end":"09:44","startHours":8.729032902682917,"endHours":9.729032902682917,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:44","end":"10:44","startHours":9.729032902682917,"endHours":10.729032902682917,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:44","end":"11:44","startHours":10.729032902682917,"endHours":11.729032902682917,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:44","end":"12:44","startHours":11.729032902682917,"endHours":12.729032902682917,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:44","end":"13:44","startHours":12.729032902682917,"endHours":13.729032902682917,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:44","end":"14:44","startHours":13.729032902682917,"endHours":14.729032902682917,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:44","end":"15:44","startHours":14.729032902682917,"endHours":15.729032902682917,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:44","end":"16:44","startHours":15.729032902682917,"endHours":16.729032902682917,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:44","end":"17:44","startHours":16.729032902682917,"endHours":17.729032902682917,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:44","end":"18:44","startHours":17.729032902682917,"endHours":18.729032902682917,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:44","end":"19:44","startHours":18.729032902682917,"endHours":19.729032902682917,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:44","end":"20:44","startHours":19.729032902682917,"endHours":20.729032902682917,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:44","end":"21:44","startHours":20.729032902682917,"endHours":21.729032902682917,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:44","end":"22:44","startHours":21.729032902682917,"endHours":22.729032902682917,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:44","end":"23:44","startHours":22.729032902682917,"endHours":23.729032902682917,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:44","end":"00:44","startHours":23.729032902682917,"endHours":24.729032902682917,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:44","end":"01:44","startHours":24.729032902682917,"endHours":25.729032902682917,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:44","end":"02:44","startHours":25.729032902682917,"endHours":26.729032902682917,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:44","end":"03:44","startHours":26.729032902682917,"endHours":27.729032902682917,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:44","end":"04:44","startHours":27.729032902682917,"endHours":28.729032902682917,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:44","end":"05:44","startHours":28.729032902682917,"endHours":29.729032902682917,"planetary_lord":"Moon"}],"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","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"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":13.986934803225592,"eotMinutes":2.4923701554198168,"ayanamsa":24.0111}},"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 Kṛṣṇa Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Ekādaśī · 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":"varuthini-ekadashi","name":"Varūthinī Ekādaśī","name_sanskrit":"वरूथिनी एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Vāmana","significance":"Granted to King Mandhātā by Vāmana-deva; brings sound sleep + wealth.","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Vaiśākha"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 April 28, 2011 CE · Phoenix, USA · Vidhyamitra","description":"April 28, 2011 CE for Phoenix, USA: Kṛṣṇa Ekādaśī, sūryodaya 05:44, sūryāsta 19:08.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2011-04-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2011-04-28","sa":"https://sa.vidhyamitra.com/city/phoenix/2011-04-28","hi":"https://hi.vidhyamitra.com/city/phoenix/2011-04-28","x-default":"https://vidhyamitra.com/city/phoenix/2011-04-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T00:22:37.685Z","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":"2026-05-16T00:22:37.685Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T00:22:37.685Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}