{"id":"vidhyamitra:city-day:phoenix:1973-05-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1973-05-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1973-05-06","date_display":"May 6, 1973 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":1973,"month":5,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441808.770833,"kali_year":5075,"ahargana":1853343.2708,"sun":{"sidereal_longitude":21.9892,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":63.4144,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":41.4251,"elapsed_within_tithi_degrees":5.4251},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":63.4144,"elapsed_within_degrees":10.081},"yoga":{"number":7,"name":"Sukarma","sum_longitude":85.4036},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1973,"month":5,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2441808.770833,"ahargana":1853343.2708,"kali_year":5075,"ayanamsa_lahiri":23.4806,"grahas":{"sun":{"sidereal_longitude":21.893906000000015,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":66.17790600000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false,"latitude":1.3549},"mars":{"sidereal_longitude":305.37420599999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":6.569606000000022,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":288.10880599999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"venus":{"sidereal_longitude":29.12660599999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":55.807406000000015,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":260.9546,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":80.9546,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"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":1973,"month":5,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441808.770833,"kali_year":5075,"ahargana":1853343.2708,"sun":{"sidereal_longitude":21.9892,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":63.4144,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":41.4251,"elapsed_within_tithi_degrees":5.4251},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":63.4144,"elapsed_within_degrees":10.081},"yoga":{"number":7,"name":"Sukarma","sum_longitude":85.4036},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.355,"elongation":41.425},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.355,"opposition_distance":138.575}},"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":"05:36","sunsetLocal":"19:14","solarNoonLocal":"12:25","dayLengthHours":13.640824786920277,"dayLengthDisplay":"13 Hours 38 Mins 27 Secs","nightLengthDisplay":"10 Hours 21 Mins 33 Secs","moonriseLocal":"08:12","moonsetLocal":"22:32","rahuKala":{"name":"Rāhu Kāla","start":"17:32","end":"19:14","startHours":17.529625344644096,"endHours":19.23472844300913,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:25","end":"14:07","startHours":12.41431604954899,"endHours":14.119419147914027,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:49","end":"17:32","startHours":15.82452224627906,"endHours":17.529625344644096,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:47","end":"09:14","startHours":8.776762773036918,"endHours":9.231456932600926,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:10","end":"06:32","startHours":6.162271355543864,"endHours":6.526026683195072,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:52","startHours":11.95962188998498,"endHours":12.869010209113,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:47","end":"04:41","startHours":3.7751270178328156,"endHours":4.6845153369608346,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:27","end":"05:36","startHours":4.45716825717883,"endHours":5.593903656088853,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:41","end":"15:36","startHours":14.687786847369036,"endHours":15.597175166497054,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:02","end":"19:26","startHours":19.03472844300913,"endHours":19.434728443009128,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:14","end":"19:48","startHours":19.23472844300913,"endHours":19.803096142464142,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:59","end":"20:44","startHours":18.98472844300913,"endHours":20.73472844300913,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:52","startHours":23.95962188998498,"endHours":24.869010209113,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:36","end":"07:18","startHours":5.593903656088853,"endHours":7.299006754453887,"quality":"inauspicious"},{"name":"Chala","start":"07:18","end":"09:00","startHours":7.299006754453887,"endHours":9.004109852818921,"quality":"neutral"},{"name":"Labha","start":"09:00","end":"10:43","startHours":9.004109852818921,"endHours":10.709212951183957,"quality":"auspicious"},{"name":"Amṛta","start":"10:43","end":"12:25","startHours":10.709212951183957,"endHours":12.41431604954899,"quality":"auspicious"},{"name":"Kāla","start":"12:25","end":"14:07","startHours":12.41431604954899,"endHours":14.119419147914027,"quality":"inauspicious"},{"name":"Śubha","start":"14:07","end":"15:49","startHours":14.119419147914027,"endHours":15.82452224627906,"quality":"auspicious"},{"name":"Roga","start":"15:49","end":"17:32","startHours":15.82452224627906,"endHours":17.529625344644096,"quality":"inauspicious"},{"name":"Udveg","start":"17:32","end":"19:14","startHours":17.529625344644096,"endHours":19.23472844300913,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:14","end":"20:32","startHours":19.23472844300913,"endHours":20.529625344644096,"quality":"auspicious"},{"name":"Roga","start":"20:32","end":"21:49","startHours":20.529625344644096,"endHours":21.82452224627906,"quality":"inauspicious"},{"name":"Udveg","start":"21:49","end":"23:07","startHours":21.82452224627906,"endHours":23.119419147914023,"quality":"inauspicious"},{"name":"Chala","start":"23:07","end":"00:25","startHours":23.119419147914023,"endHours":24.41431604954899,"quality":"neutral"},{"name":"Labha","start":"00:25","end":"01:43","startHours":24.41431604954899,"endHours":25.709212951183957,"quality":"auspicious"},{"name":"Amṛta","start":"01:43","end":"03:00","startHours":25.709212951183957,"endHours":27.00410985281892,"quality":"auspicious"},{"name":"Kāla","start":"03:00","end":"04:18","startHours":27.00410985281892,"endHours":28.299006754453885,"quality":"inauspicious"},{"name":"Śubha","start":"04:18","end":"05:36","startHours":28.299006754453885,"endHours":29.59390365608885,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:36","end":"06:36","startHours":5.593903656088853,"endHours":6.593903656088853,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:36","end":"07:36","startHours":6.593903656088853,"endHours":7.593903656088853,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:36","end":"08:36","startHours":7.593903656088853,"endHours":8.593903656088852,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:36","end":"09:36","startHours":8.593903656088852,"endHours":9.593903656088852,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:36","end":"10:36","startHours":9.593903656088852,"endHours":10.593903656088852,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:36","end":"11:36","startHours":10.593903656088852,"endHours":11.593903656088852,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:36","end":"12:36","startHours":11.593903656088852,"endHours":12.593903656088852,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:36","end":"13:36","startHours":12.593903656088852,"endHours":13.593903656088852,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:36","end":"14:36","startHours":13.593903656088852,"endHours":14.593903656088852,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:36","end":"15:36","startHours":14.593903656088852,"endHours":15.593903656088852,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:36","end":"16:36","startHours":15.593903656088852,"endHours":16.59390365608885,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:36","end":"17:36","startHours":16.59390365608885,"endHours":17.59390365608885,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:36","end":"18:36","startHours":17.59390365608885,"endHours":18.59390365608885,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:36","end":"19:36","startHours":18.59390365608885,"endHours":19.59390365608885,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:36","end":"20:36","startHours":19.59390365608885,"endHours":20.59390365608885,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:36","end":"21:36","startHours":20.59390365608885,"endHours":21.59390365608885,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:36","end":"22:36","startHours":21.59390365608885,"endHours":22.59390365608885,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:36","end":"23:36","startHours":22.59390365608885,"endHours":23.59390365608885,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:36","end":"00:36","startHours":23.59390365608885,"endHours":24.59390365608885,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:36","end":"01:36","startHours":24.59390365608885,"endHours":25.59390365608885,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:36","end":"02:36","startHours":25.59390365608885,"endHours":26.59390365608885,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:36","end":"03:36","startHours":26.59390365608885,"endHours":27.59390365608885,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:36","end":"04:36","startHours":27.59390365608885,"endHours":28.59390365608885,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:36","end":"05:36","startHours":28.59390365608885,"endHours":29.59390365608885,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"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":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Saumya","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":16.443612169286325,"eotMinutes":3.4370370270605552,"ayanamsa":23.4806}},"calendars":{"vikram_samvat":2030,"vikram_samvatsara":"Akṣaya","saka_samvat":1895,"saka_samvatsara":"Pramādī","bengali_samvat":1380,"malayalam_era":1149,"nanakshahi_year":504,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","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 Śukla Caturthī · Vikram 2030 Akṣaya · Śaka 1895 Pramādī"},"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":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 6, 1973 CE · Phoenix, USA · Vidhyamitra","description":"May 6, 1973 CE for Phoenix, USA: Śukla Caturthī, sūryodaya 05:36, sūryāsta 19:14.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1973-05-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1973-05-06","sa":"https://sa.vidhyamitra.com/city/phoenix/1973-05-06","hi":"https://hi.vidhyamitra.com/city/phoenix/1973-05-06","x-default":"https://vidhyamitra.com/city/phoenix/1973-05-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T13:02:39.731Z","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":"2026-06-01T13:02:39.731Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T13:02:39.731Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}