{"id":"vidhyamitra:city-day:phoenix:1997-08-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1997-08-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1997-08-30","date_display":"August 30, 1997 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1997,"month":8,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450690.770833,"kali_year":5099,"ahargana":1862225.2708,"sun":{"sidereal_longitude":132.2237,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":98.6922,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":326.4685,"elapsed_within_tithi_degrees":2.4685},"nakshatra":{"number":8,"name":"Puṣya","pada":2,"moon_longitude":98.6922,"elapsed_within_degrees":5.3589},"yoga":{"number":18,"name":"Varīyān","sum_longitude":230.9159},"karana":{"half_tithi_index":54,"name":"Gara"},"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":1997,"month":8,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450690.770833,"ahargana":1862225.2708,"kali_year":5099,"ayanamsa_lahiri":23.8203,"grahas":{"sun":{"sidereal_longitude":132.897648,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":100.611448,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false,"latitude":-3.5277},"mars":{"sidereal_longitude":196.09214799999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":135.963748,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":290.651348,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":true},"venus":{"sidereal_longitude":170.93314799999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":355.816348,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":150.3435,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":330.3435,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1997,"month":8,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450690.770833,"kali_year":5099,"ahargana":1862225.2708,"sun":{"sidereal_longitude":132.2237,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":98.6922,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":326.4685,"elapsed_within_tithi_degrees":2.4685},"nakshatra":{"number":8,"name":"Puṣya","pada":2,"moon_longitude":98.6922,"elapsed_within_degrees":5.3589},"yoga":{"number":18,"name":"Varīyān","sum_longitude":230.9159},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.528,"elongation":33.531},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.528,"opposition_distance":146.469}},"eclipse_window_40days":[{"offset_days":3,"type":"solar","occurs":true,"moon_latitude":-1.043,"elongation":1.659}]},"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":"06:00","sunsetLocal":"18:57","solarNoonLocal":"12:28","dayLengthHours":12.940498020484585,"dayLengthDisplay":"12 Hours 56 Mins 26 Secs","nightLengthDisplay":"11 Hours 03 Mins 34 Secs","moonriseLocal":"03:23","moonsetLocal":"17:15","rahuKala":{"name":"Rāhu Kāla","start":"09:14","end":"10:51","startHours":9.239462017191714,"endHours":10.857024269752287,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:06","end":"15:43","startHours":14.092148774873435,"endHours":15.709711027434007,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:00","end":"07:37","startHours":6.004337512070569,"endHours":7.6218997646311415,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:01","end":"09:27","startHours":9.023787050183639,"endHours":9.455136984199791,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:33","end":"06:53","startHours":6.54352492959076,"endHours":6.888604876803682,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:03","end":"12:54","startHours":12.04323658829671,"endHours":12.905936456329014,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:17","end":"05:08","startHours":4.278937776005957,"endHours":5.141637644038263,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:56","end":"06:00","startHours":4.925962677030187,"endHours":6.004337512070569,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:38","end":"15:30","startHours":14.631336192393624,"endHours":15.494036060425929,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:45","end":"19:09","startHours":18.744835532555154,"endHours":19.144835532555152,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:57","end":"19:29","startHours":18.944835532555153,"endHours":19.484022950075342,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:42","end":"20:27","startHours":18.694835532555153,"endHours":20.444835532555153,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:03","end":"00:54","startHours":24.043236588296708,"endHours":24.905936456329016,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:00","end":"07:37","startHours":6.004337512070569,"endHours":7.6218997646311415,"quality":"inauspicious"},{"name":"Śubha","start":"07:37","end":"09:14","startHours":7.6218997646311415,"endHours":9.239462017191714,"quality":"auspicious"},{"name":"Roga","start":"09:14","end":"10:51","startHours":9.239462017191714,"endHours":10.857024269752287,"quality":"inauspicious"},{"name":"Udveg","start":"10:51","end":"12:28","startHours":10.857024269752287,"endHours":12.474586522312862,"quality":"inauspicious"},{"name":"Chala","start":"12:28","end":"14:06","startHours":12.474586522312862,"endHours":14.092148774873435,"quality":"neutral"},{"name":"Labha","start":"14:06","end":"15:43","startHours":14.092148774873435,"endHours":15.709711027434007,"quality":"auspicious"},{"name":"Amṛta","start":"15:43","end":"17:20","startHours":15.709711027434007,"endHours":17.32727327999458,"quality":"auspicious"},{"name":"Kāla","start":"17:20","end":"18:57","startHours":17.32727327999458,"endHours":18.944835532555153,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:57","end":"20:20","startHours":18.944835532555153,"endHours":20.32727327999458,"quality":"auspicious"},{"name":"Amṛta","start":"20:20","end":"21:43","startHours":20.32727327999458,"endHours":21.709711027434007,"quality":"auspicious"},{"name":"Kāla","start":"21:43","end":"23:06","startHours":21.709711027434007,"endHours":23.092148774873433,"quality":"inauspicious"},{"name":"Śubha","start":"23:06","end":"00:28","startHours":23.092148774873433,"endHours":24.474586522312862,"quality":"auspicious"},{"name":"Roga","start":"00:28","end":"01:51","startHours":24.474586522312862,"endHours":25.857024269752287,"quality":"inauspicious"},{"name":"Udveg","start":"01:51","end":"03:14","startHours":25.857024269752287,"endHours":27.239462017191713,"quality":"inauspicious"},{"name":"Chala","start":"03:14","end":"04:37","startHours":27.239462017191713,"endHours":28.62189976463114,"quality":"neutral"},{"name":"Labha","start":"04:37","end":"06:00","startHours":28.62189976463114,"endHours":30.00433751207057,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:00","end":"07:00","startHours":6.004337512070569,"endHours":7.004337512070569,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:00","end":"08:00","startHours":7.004337512070569,"endHours":8.004337512070569,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:00","end":"09:00","startHours":8.004337512070569,"endHours":9.004337512070569,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:00","end":"10:00","startHours":9.004337512070569,"endHours":10.004337512070569,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:00","end":"11:00","startHours":10.004337512070569,"endHours":11.004337512070569,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:00","end":"12:00","startHours":11.004337512070569,"endHours":12.004337512070569,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:00","end":"13:00","startHours":12.004337512070569,"endHours":13.004337512070569,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:00","end":"14:00","startHours":13.004337512070569,"endHours":14.004337512070569,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:00","end":"15:00","startHours":14.004337512070569,"endHours":15.004337512070569,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:00","end":"16:00","startHours":15.004337512070569,"endHours":16.00433751207057,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:00","end":"17:00","startHours":16.00433751207057,"endHours":17.00433751207057,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:00","end":"18:00","startHours":17.00433751207057,"endHours":18.00433751207057,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:00","end":"19:00","startHours":18.00433751207057,"endHours":19.00433751207057,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:00","end":"20:00","startHours":19.00433751207057,"endHours":20.00433751207057,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:00","end":"21:00","startHours":20.00433751207057,"endHours":21.00433751207057,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:00","end":"22:00","startHours":21.00433751207057,"endHours":22.00433751207057,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:00","end":"23:00","startHours":22.00433751207057,"endHours":23.00433751207057,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:00","end":"00:00","startHours":23.00433751207057,"endHours":24.00433751207057,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:00","end":"01:00","startHours":24.00433751207057,"endHours":25.00433751207057,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:00","end":"02:00","startHours":25.00433751207057,"endHours":26.00433751207057,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:00","end":"03:00","startHours":26.00433751207057,"endHours":27.00433751207057,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:00","end":"04:00","startHours":27.00433751207057,"endHours":28.00433751207057,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:00","end":"05:00","startHours":28.00433751207057,"endHours":29.00433751207057,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:00","end":"06:00","startHours":29.00433751207057,"endHours":30.00433751207057,"planetary_lord":"Mercury"}],"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":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":9.044808753736374,"eotMinutes":-0.17919133877174764,"ayanamsa":23.8203}},"calendars":{"vikram_samvat":2054,"vikram_samvatsara":"Vikṛti","saka_samvat":1919,"saka_samvatsara":"Īśvara","bengali_samvat":1404,"malayalam_era":1173,"nanakshahi_year":528,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Trayodaśī · Vikram 2054 Vikṛti · Śaka 1919 Īśvara"},"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":"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":"Dedicated festival walk for Pradoṣa Vrata is not live yet; 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 August 30, 1997 CE · Phoenix, USA · Vidhyamitra","description":"August 30, 1997 CE for Phoenix, USA: Kṛṣṇa Trayodaśī, sūryodaya 06:00, sūryāsta 18:57.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1997-08-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1997-08-30","sa":"https://sa.vidhyamitra.com/city/phoenix/1997-08-30","hi":"https://hi.vidhyamitra.com/city/phoenix/1997-08-30","x-default":"https://vidhyamitra.com/city/phoenix/1997-08-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-04T00:10:58.682Z","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":"2026-09-04T00:10:58.682Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-04T00:10:58.682Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}