{"id":"vidhyamitra:city-day:phoenix:2075-02-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2075-02-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2075-02-28","date_display":"February 28, 2075 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":2075,"month":2,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2478996.770833,"kali_year":5176,"ahargana":1890531.2708,"sun":{"sidereal_longitude":314.6411,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":100.783,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":146.1419,"elapsed_within_tithi_degrees":2.1419},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":100.783,"elapsed_within_degrees":7.4497},"yoga":{"number":5,"name":"Śobhana","sum_longitude":55.4241},"karana":{"half_tithi_index":24,"name":"Kaulava"},"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":2075,"month":2,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2478996.770833,"ahargana":1890531.2708,"kali_year":5176,"ayanamsa_lahiri":24.9029,"grahas":{"sun":{"sidereal_longitude":314.668451,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":101.69985099999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false,"latitude":0.7982},"mars":{"sidereal_longitude":315.5875510000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":292.76655099999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":133.33575100000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":true},"venus":{"sidereal_longitude":275.7278510000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":232.16925100000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":90.5554,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":270.5554,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":2075,"month":2,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2478996.770833,"kali_year":5176,"ahargana":1890531.2708,"sun":{"sidereal_longitude":314.6411,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":100.783,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":146.1419,"elapsed_within_tithi_degrees":2.1419},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":100.783,"elapsed_within_degrees":7.4497},"yoga":{"number":5,"name":"Śobhana","sum_longitude":55.4241},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.798,"elongation":146.142},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.798,"opposition_distance":33.858}},"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":"06:59","sunsetLocal":"18:24","solarNoonLocal":"12:42","dayLengthHours":11.426434751224463,"dayLengthDisplay":"11 Hours 25 Mins 35 Secs","nightLengthDisplay":"12 Hours 34 Mins 25 Secs","moonriseLocal":"15:35","moonsetLocal":"05:24","rahuKala":{"name":"Rāhu Kāla","start":"14:07","end":"15:33","startHours":14.12028865767018,"endHours":15.548593001573238,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:59","end":"08:24","startHours":6.97876693815489,"endHours":8.407071282057949,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:50","end":"11:16","startHours":9.835375625961007,"endHours":11.263679969864064,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:39","end":"10:02","startHours":9.64493504677393,"endHours":10.02581620514808,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:27","end":"07:46","startHours":7.454868386122576,"endHours":7.759573312821895,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:19","end":"13:04","startHours":12.311103155392974,"endHours":13.07286547214127,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:27","end":"06:13","startHours":5.455242304658295,"endHours":6.217004621406592,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:02","end":"06:59","startHours":6.026564042219518,"endHours":6.97876693815489,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:36","end":"15:21","startHours":14.596390105637866,"endHours":15.358152422386164,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:12","end":"18:36","startHours":18.205201689379354,"endHours":18.605201689379353,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:24","end":"18:53","startHours":18.405201689379354,"endHours":18.88130313734704,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:09","end":"19:54","startHours":18.155201689379354,"endHours":19.905201689379354,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:19","end":"01:04","startHours":24.311103155392974,"endHours":25.07286547214127,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:59","end":"08:24","startHours":6.97876693815489,"endHours":8.407071282057949,"quality":"auspicious"},{"name":"Roga","start":"08:24","end":"09:50","startHours":8.407071282057949,"endHours":9.835375625961007,"quality":"inauspicious"},{"name":"Udveg","start":"09:50","end":"11:16","startHours":9.835375625961007,"endHours":11.263679969864064,"quality":"inauspicious"},{"name":"Chala","start":"11:16","end":"12:42","startHours":11.263679969864064,"endHours":12.691984313767122,"quality":"neutral"},{"name":"Labha","start":"12:42","end":"14:07","startHours":12.691984313767122,"endHours":14.12028865767018,"quality":"auspicious"},{"name":"Amṛta","start":"14:07","end":"15:33","startHours":14.12028865767018,"endHours":15.548593001573238,"quality":"auspicious"},{"name":"Kāla","start":"15:33","end":"16:59","startHours":15.548593001573238,"endHours":16.976897345476296,"quality":"inauspicious"},{"name":"Śubha","start":"16:59","end":"18:24","startHours":16.976897345476296,"endHours":18.405201689379354,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:24","end":"19:59","startHours":18.405201689379354,"endHours":19.976897345476296,"quality":"auspicious"},{"name":"Kāla","start":"19:59","end":"21:33","startHours":19.976897345476296,"endHours":21.548593001573238,"quality":"inauspicious"},{"name":"Śubha","start":"21:33","end":"23:07","startHours":21.548593001573238,"endHours":23.12028865767018,"quality":"auspicious"},{"name":"Roga","start":"23:07","end":"00:42","startHours":23.12028865767018,"endHours":24.691984313767122,"quality":"inauspicious"},{"name":"Udveg","start":"00:42","end":"02:16","startHours":24.691984313767122,"endHours":26.263679969864064,"quality":"inauspicious"},{"name":"Chala","start":"02:16","end":"03:50","startHours":26.263679969864064,"endHours":27.835375625961007,"quality":"neutral"},{"name":"Labha","start":"03:50","end":"05:24","startHours":27.835375625961007,"endHours":29.40707128205795,"quality":"auspicious"},{"name":"Amṛta","start":"05:24","end":"06:59","startHours":29.40707128205795,"endHours":30.97876693815489,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:59","end":"07:59","startHours":6.97876693815489,"endHours":7.97876693815489,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:59","end":"08:59","startHours":7.97876693815489,"endHours":8.978766938154891,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:59","end":"09:59","startHours":8.978766938154891,"endHours":9.978766938154891,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:59","end":"10:59","startHours":9.978766938154891,"endHours":10.978766938154891,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:59","end":"11:59","startHours":10.978766938154891,"endHours":11.978766938154891,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:59","end":"12:59","startHours":11.978766938154891,"endHours":12.978766938154891,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:59","end":"13:59","startHours":12.978766938154891,"endHours":13.978766938154891,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:59","end":"14:59","startHours":13.978766938154891,"endHours":14.978766938154891,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:59","end":"15:59","startHours":14.978766938154891,"endHours":15.978766938154891,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:59","end":"16:59","startHours":15.978766938154891,"endHours":16.97876693815489,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:59","end":"17:59","startHours":16.97876693815489,"endHours":17.97876693815489,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:59","end":"18:59","startHours":17.97876693815489,"endHours":18.97876693815489,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:59","end":"19:59","startHours":18.97876693815489,"endHours":19.97876693815489,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:59","end":"20:59","startHours":19.97876693815489,"endHours":20.97876693815489,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:59","end":"21:59","startHours":20.97876693815489,"endHours":21.97876693815489,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:59","end":"22:59","startHours":21.97876693815489,"endHours":22.97876693815489,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:59","end":"23:59","startHours":22.97876693815489,"endHours":23.97876693815489,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:59","end":"00:59","startHours":23.97876693815489,"endHours":24.97876693815489,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:59","end":"01:59","startHours":24.97876693815489,"endHours":25.97876693815489,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:59","end":"02:59","startHours":25.97876693815489,"endHours":26.97876693815489,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:59","end":"03:59","startHours":26.97876693815489,"endHours":27.97876693815489,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:59","end":"04:59","startHours":27.97876693815489,"endHours":28.97876693815489,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:59","end":"05:59","startHours":28.97876693815489,"endHours":29.97876693815489,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:59","end":"06:59","startHours":29.97876693815489,"endHours":30.97876693815489,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-7.979848311575376,"eotMinutes":-13.223058826027486,"ayanamsa":24.9029}},"calendars":{"vikram_samvat":2132,"vikram_samvatsara":"Kīlaka","saka_samvat":1997,"saka_samvatsara":"Manmatha","bengali_samvat":1482,"malayalam_era":1251,"nanakshahi_year":606,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Phālguna","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Trayodaśī · Vikram 2132 Kīlaka · Śaka 1997 Manmatha"},"festivals":[{"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":"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 February 28, 2075 CE · Phoenix, USA · Vidhyamitra","description":"February 28, 2075 CE for Phoenix, USA: Śukla Trayodaśī, sūryodaya 06:59, sūryāsta 18:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2075-02-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2075-02-28","sa":"https://sa.vidhyamitra.com/city/phoenix/2075-02-28","hi":"https://hi.vidhyamitra.com/city/phoenix/2075-02-28","x-default":"https://vidhyamitra.com/city/phoenix/2075-02-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T18:48:05.420Z","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":"2026-05-31T18:48:05.420Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T18:48:05.420Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}