{"id":"vidhyamitra:city-day:phoenix:1971-09-22:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1971-09-22","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1971-09-22","date_display":"September 22, 1971 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":1971,"month":9,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441216.770833,"kali_year":5073,"ahargana":1852751.2708,"sun":{"sidereal_longitude":154.2592,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":183.7279,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":29.4687,"elapsed_within_tithi_degrees":5.4687},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":183.7279,"elapsed_within_degrees":10.3946},"yoga":{"number":26,"name":"Indra","sum_longitude":337.9871},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1971,"month":9,"day":22,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2441216.770833,"ahargana":1852751.2708,"kali_year":5073,"ayanamsa_lahiri":23.458,"grahas":{"sun":{"sidereal_longitude":154.92922499999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":181.315025,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false,"latitude":-4.2647},"mars":{"sidereal_longitude":289.84372499999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":141.919125,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":218.778725,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":162.17712499999993,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":43.43802499999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":292.3216,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":112.3216,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":"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":1971,"month":9,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441216.770833,"kali_year":5073,"ahargana":1852751.2708,"sun":{"sidereal_longitude":154.2592,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":183.7279,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":29.4687,"elapsed_within_tithi_degrees":5.4687},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":183.7279,"elapsed_within_degrees":10.3946},"yoga":{"number":26,"name":"Indra","sum_longitude":337.9871},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.265,"elongation":29.469},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.265,"opposition_distance":150.531}},"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":"06:15","sunsetLocal":"18:26","solarNoonLocal":"12:20","dayLengthHours":12.189630031301597,"dayLengthDisplay":"12 Hours 11 Mins 23 Secs","nightLengthDisplay":"11 Hours 48 Mins 37 Secs","moonriseLocal":"08:29","moonsetLocal":"19:43","rahuKala":{"name":"Rāhu Kāla","start":"12:20","end":"13:52","startHours":12.337004939348027,"endHours":13.860708693260726,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:46","end":"09:17","startHours":7.765893677609928,"endHours":9.289597431522628,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:49","end":"12:20","startHours":10.813301185435328,"endHours":12.337004939348027,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:05","end":"09:30","startHours":9.086436931000936,"endHours":9.492757932044322,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:45","end":"07:05","startHours":6.750091175001462,"endHours":7.075147975836171,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:45","startHours":11.930683938304641,"endHours":12.743325940391413,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:37","end":"05:26","startHours":4.616905919523682,"endHours":5.429547921610456,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:14","end":"06:15","startHours":5.226387421088762,"endHours":6.242189923697229,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:22","end":"15:11","startHours":14.36860994456496,"endHours":15.181251946651734,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:14","end":"18:38","startHours":18.231819954998826,"endHours":18.631819954998825,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:26","end":"18:56","startHours":18.431819954998826,"endHours":18.93972120630306,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:11","end":"19:56","startHours":18.181819954998826,"endHours":19.931819954998826,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:45","startHours":23.93068393830464,"endHours":24.743325940391415,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:15","end":"07:46","startHours":6.242189923697229,"endHours":7.765893677609928,"quality":"auspicious"},{"name":"Amṛta","start":"07:46","end":"09:17","startHours":7.765893677609928,"endHours":9.289597431522628,"quality":"auspicious"},{"name":"Kāla","start":"09:17","end":"10:49","startHours":9.289597431522628,"endHours":10.813301185435328,"quality":"inauspicious"},{"name":"Śubha","start":"10:49","end":"12:20","startHours":10.813301185435328,"endHours":12.337004939348027,"quality":"auspicious"},{"name":"Roga","start":"12:20","end":"13:52","startHours":12.337004939348027,"endHours":13.860708693260726,"quality":"inauspicious"},{"name":"Udveg","start":"13:52","end":"15:23","startHours":13.860708693260726,"endHours":15.384412447173426,"quality":"inauspicious"},{"name":"Chala","start":"15:23","end":"16:54","startHours":15.384412447173426,"endHours":16.908116201086127,"quality":"neutral"},{"name":"Labha","start":"16:54","end":"18:26","startHours":16.908116201086127,"endHours":18.431819954998826,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:26","end":"19:54","startHours":18.431819954998826,"endHours":19.908116201086127,"quality":"inauspicious"},{"name":"Chala","start":"19:54","end":"21:23","startHours":19.908116201086127,"endHours":21.384412447173425,"quality":"neutral"},{"name":"Labha","start":"21:23","end":"22:52","startHours":21.384412447173425,"endHours":22.860708693260726,"quality":"auspicious"},{"name":"Amṛta","start":"22:52","end":"00:20","startHours":22.860708693260726,"endHours":24.337004939348027,"quality":"auspicious"},{"name":"Kāla","start":"00:20","end":"01:49","startHours":24.337004939348027,"endHours":25.81330118543533,"quality":"inauspicious"},{"name":"Śubha","start":"01:49","end":"03:17","startHours":25.81330118543533,"endHours":27.28959743152263,"quality":"auspicious"},{"name":"Roga","start":"03:17","end":"04:46","startHours":27.28959743152263,"endHours":28.765893677609927,"quality":"inauspicious"},{"name":"Udveg","start":"04:46","end":"06:15","startHours":28.765893677609927,"endHours":30.24218992369723,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:15","end":"07:15","startHours":6.242189923697229,"endHours":7.242189923697229,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:15","end":"08:15","startHours":7.242189923697229,"endHours":8.242189923697229,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:15","end":"09:15","startHours":8.242189923697229,"endHours":9.242189923697229,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:15","end":"10:15","startHours":9.242189923697229,"endHours":10.242189923697229,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:15","end":"11:15","startHours":10.242189923697229,"endHours":11.242189923697229,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:15","end":"12:15","startHours":11.242189923697229,"endHours":12.242189923697229,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:15","end":"13:15","startHours":12.242189923697229,"endHours":13.242189923697229,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:15","end":"14:15","startHours":13.242189923697229,"endHours":14.242189923697229,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:15","end":"15:15","startHours":14.242189923697229,"endHours":15.242189923697229,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:15","end":"16:15","startHours":15.242189923697229,"endHours":16.24218992369723,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:15","end":"17:15","startHours":16.24218992369723,"endHours":17.24218992369723,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:15","end":"18:15","startHours":17.24218992369723,"endHours":18.24218992369723,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:15","end":"19:15","startHours":18.24218992369723,"endHours":19.24218992369723,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:15","end":"20:15","startHours":19.24218992369723,"endHours":20.24218992369723,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:15","end":"21:15","startHours":20.24218992369723,"endHours":21.24218992369723,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:15","end":"22:15","startHours":21.24218992369723,"endHours":22.24218992369723,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:15","end":"23:15","startHours":22.24218992369723,"endHours":23.24218992369723,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:15","end":"00:15","startHours":23.24218992369723,"endHours":24.24218992369723,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:15","end":"01:15","startHours":24.24218992369723,"endHours":25.24218992369723,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:15","end":"02:15","startHours":25.24218992369723,"endHours":26.24218992369723,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:15","end":"03:15","startHours":26.24218992369723,"endHours":27.24218992369723,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:15","end":"04:15","startHours":27.24218992369723,"endHours":28.24218992369723,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:15","end":"05:15","startHours":28.24218992369723,"endHours":29.24218992369723,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:15","end":"06:15","startHours":29.24218992369723,"endHours":30.24218992369723,"planetary_lord":"Sun"}],"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","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"North","rahuVasa":"South-West","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":0.6413816623190648,"eotMinutes":8.075703639118354,"ayanamsa":23.458}},"calendars":{"vikram_samvat":2028,"vikram_samvatsara":"Raktākṣī","saka_samvat":1893,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1378,"malayalam_era":1147,"nanakshahi_year":502,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Tṛtīyā · Vikram 2028 Raktākṣī · Śaka 1893 Virodhakṛt"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 September 22, 1971 CE · Phoenix, USA · Vidhyamitra","description":"September 22, 1971 CE for Phoenix, USA: Śukla Tṛtīyā, sūryodaya 06:15, sūryāsta 18:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1971-09-22","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1971-09-22","sa":"https://sa.vidhyamitra.com/city/phoenix/1971-09-22","hi":"https://hi.vidhyamitra.com/city/phoenix/1971-09-22","x-default":"https://vidhyamitra.com/city/phoenix/1971-09-22"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-06T08:26:39.992Z","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":"2026-09-06T08:26:39.992Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-06T08:26:39.992Z","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"}}}