{"id":"vidhyamitra:city-day:phoenix:2103-05-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2103-05-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2103-05-04","date_display":"May 4, 2103 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":2103,"month":5,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2489287.770833,"kali_year":5205,"ahargana":1900822.2708,"sun":{"sidereal_longitude":17.5177,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":347.6535,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":330.1357,"elapsed_within_tithi_degrees":6.1357},"nakshatra":{"number":27,"name":"Revatī","pada":1,"moon_longitude":347.6535,"elapsed_within_degrees":0.9868},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":5.1712},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"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":2103,"month":5,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2489287.770833,"ahargana":1900822.2708,"kali_year":5205,"ayanamsa_lahiri":25.2965,"grahas":{"sun":{"sidereal_longitude":17.703058999999996,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":346.005559,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false,"latitude":4.46},"mars":{"sidereal_longitude":336.026459,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":350.939659,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":271.024359,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":61.46105899999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":213.50555899999995,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":265.2887,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":85.2887,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","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":2103,"month":5,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2489287.770833,"kali_year":5205,"ahargana":1900822.2708,"sun":{"sidereal_longitude":17.5177,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":347.6535,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":330.1357,"elapsed_within_tithi_degrees":6.1357},"nakshatra":{"number":27,"name":"Revatī","pada":1,"moon_longitude":347.6535,"elapsed_within_degrees":0.9868},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":5.1712},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.46,"elongation":29.864},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.46,"opposition_distance":150.136}},"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":"05:38","sunsetLocal":"19:12","solarNoonLocal":"12:25","dayLengthHours":13.571552063329143,"dayLengthDisplay":"13 Hours 34 Mins 18 Secs","nightLengthDisplay":"10 Hours 25 Mins 42 Secs","moonriseLocal":"04:04","moonsetLocal":"16:33","rahuKala":{"name":"Rāhu Kāla","start":"10:43","end":"12:25","startHours":10.720848365115858,"endHours":12.417292373032002,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:49","end":"17:30","startHours":15.810180388864286,"endHours":17.50662439678043,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:20","end":"09:01","startHours":7.327960349283572,"endHours":9.024404357199714,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:48","end":"09:15","startHours":8.798211822810895,"endHours":9.250596891588534,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:12","end":"06:34","startHours":6.196997677339477,"endHours":6.558905732361588,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:52","startHours":11.964907304254364,"endHours":12.869677441809639,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:49","end":"04:44","startHours":3.8219760662568767,"endHours":4.726746203812152,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:30","end":"05:38","startHours":4.500553669423334,"endHours":5.631516341367429,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:41","end":"15:35","startHours":14.679217716920192,"endHours":15.583987854475469,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:00","end":"19:24","startHours":19.003068404696574,"endHours":19.403068404696572,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:12","end":"19:46","startHours":19.203068404696573,"endHours":19.76854974066862,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:57","end":"20:42","startHours":18.953068404696573,"endHours":20.703068404696573,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:52","startHours":23.964907304254364,"endHours":24.86967744180964,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:38","end":"07:20","startHours":5.631516341367429,"endHours":7.327960349283572,"quality":"neutral"},{"name":"Labha","start":"07:20","end":"09:01","startHours":7.327960349283572,"endHours":9.024404357199714,"quality":"auspicious"},{"name":"Amṛta","start":"09:01","end":"10:43","startHours":9.024404357199714,"endHours":10.720848365115858,"quality":"auspicious"},{"name":"Kāla","start":"10:43","end":"12:25","startHours":10.720848365115858,"endHours":12.417292373032002,"quality":"inauspicious"},{"name":"Śubha","start":"12:25","end":"14:07","startHours":12.417292373032002,"endHours":14.113736380948144,"quality":"auspicious"},{"name":"Roga","start":"14:07","end":"15:49","startHours":14.113736380948144,"endHours":15.810180388864286,"quality":"inauspicious"},{"name":"Udveg","start":"15:49","end":"17:30","startHours":15.810180388864286,"endHours":17.50662439678043,"quality":"inauspicious"},{"name":"Chala","start":"17:30","end":"19:12","startHours":17.50662439678043,"endHours":19.203068404696573,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:12","end":"20:30","startHours":19.203068404696573,"endHours":20.50662439678043,"quality":"inauspicious"},{"name":"Udveg","start":"20:30","end":"21:49","startHours":20.50662439678043,"endHours":21.81018038886429,"quality":"inauspicious"},{"name":"Chala","start":"21:49","end":"23:07","startHours":21.81018038886429,"endHours":23.113736380948144,"quality":"neutral"},{"name":"Labha","start":"23:07","end":"00:25","startHours":23.113736380948144,"endHours":24.417292373032,"quality":"auspicious"},{"name":"Amṛta","start":"00:25","end":"01:43","startHours":24.417292373032,"endHours":25.72084836511586,"quality":"auspicious"},{"name":"Kāla","start":"01:43","end":"03:01","startHours":25.72084836511586,"endHours":27.024404357199714,"quality":"inauspicious"},{"name":"Śubha","start":"03:01","end":"04:20","startHours":27.024404357199714,"endHours":28.327960349283572,"quality":"auspicious"},{"name":"Roga","start":"04:20","end":"05:38","startHours":28.327960349283572,"endHours":29.63151634136743,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:38","end":"06:38","startHours":5.631516341367429,"endHours":6.631516341367429,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:38","end":"07:38","startHours":6.631516341367429,"endHours":7.631516341367429,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:38","end":"08:38","startHours":7.631516341367429,"endHours":8.63151634136743,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:38","end":"09:38","startHours":8.63151634136743,"endHours":9.63151634136743,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:38","end":"10:38","startHours":9.63151634136743,"endHours":10.63151634136743,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:38","end":"11:38","startHours":10.63151634136743,"endHours":11.63151634136743,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:38","end":"12:38","startHours":11.63151634136743,"endHours":12.63151634136743,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:38","end":"13:38","startHours":12.63151634136743,"endHours":13.63151634136743,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:38","end":"14:38","startHours":13.63151634136743,"endHours":14.63151634136743,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:38","end":"15:38","startHours":14.63151634136743,"endHours":15.63151634136743,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:38","end":"16:38","startHours":15.63151634136743,"endHours":16.63151634136743,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:38","end":"17:38","startHours":16.63151634136743,"endHours":17.63151634136743,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:38","end":"18:38","startHours":17.63151634136743,"endHours":18.63151634136743,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:38","end":"19:38","startHours":18.63151634136743,"endHours":19.63151634136743,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:38","end":"20:38","startHours":19.63151634136743,"endHours":20.63151634136743,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:38","end":"21:38","startHours":20.63151634136743,"endHours":21.63151634136743,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:38","end":"22:38","startHours":21.63151634136743,"endHours":22.63151634136743,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:38","end":"23:38","startHours":22.63151634136743,"endHours":23.63151634136743,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:38","end":"00:38","startHours":23.63151634136743,"endHours":24.63151634136743,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:38","end":"01:38","startHours":24.63151634136743,"endHours":25.63151634136743,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:38","end":"02:38","startHours":25.63151634136743,"endHours":26.63151634136743,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:38","end":"03:38","startHours":26.63151634136743,"endHours":27.63151634136743,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:38","end":"04:38","startHours":27.63151634136743,"endHours":28.63151634136743,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:38","end":"05:38","startHours":28.63151634136743,"endHours":29.63151634136743,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"South-East","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":15.738701208979856,"eotMinutes":3.258457618079846,"ayanamsa":25.2965}},"calendars":{"vikram_samvat":2160,"vikram_samvatsara":"Dhātṛ","saka_samvat":2025,"saka_samvatsara":"Rudhirodgāri","bengali_samvat":1510,"malayalam_era":1279,"nanakshahi_year":634,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Trayodaśī · Vikram 2160 Dhātṛ · Śaka 2025 Rudhirodgāri"},"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":"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 May 4, 2103 CE · Phoenix, USA · Vidhyamitra","description":"May 4, 2103 CE for Phoenix, USA: Kṛṣṇa Trayodaśī, sūryodaya 05:38, sūryāsta 19:12.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2103-05-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2103-05-04","sa":"https://sa.vidhyamitra.com/city/phoenix/2103-05-04","hi":"https://hi.vidhyamitra.com/city/phoenix/2103-05-04","x-default":"https://vidhyamitra.com/city/phoenix/2103-05-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T16:33:12.046Z","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":"2026-05-31T16:33:12.046Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T16:33:12.046Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}