{"id":"vidhyamitra:city-day:phoenix:1978-03-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1978-03-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1978-03-12","date_display":"March 12, 1978 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":1978,"month":3,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443579.770833,"kali_year":5079,"ahargana":1855114.2708,"sun":{"sidereal_longitude":327.7879,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":5.446,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":37.6581,"elapsed_within_tithi_degrees":1.6581},"nakshatra":{"number":1,"name":"Aśvinī","pada":2,"moon_longitude":5.446,"elapsed_within_degrees":5.446},"yoga":{"number":25,"name":"Brahma","sum_longitude":333.2339},"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":1978,"month":3,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2443579.770833,"ahargana":1855114.2708,"kali_year":5079,"ayanamsa_lahiri":23.5484,"grahas":{"sun":{"sidereal_longitude":327.562641,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":4.064440999999988,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false,"latitude":-1.4137},"mars":{"sidereal_longitude":89.61364100000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":339.606641,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":62.92334099999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":339.706041,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":121.70044100000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":167.1185,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":347.1185,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","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":1978,"month":3,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443579.770833,"kali_year":5079,"ahargana":1855114.2708,"sun":{"sidereal_longitude":327.7879,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":5.446,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":37.6581,"elapsed_within_tithi_degrees":1.6581},"nakshatra":{"number":1,"name":"Aśvinī","pada":2,"moon_longitude":5.446,"elapsed_within_degrees":5.446},"yoga":{"number":25,"name":"Brahma","sum_longitude":333.2339},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.414,"elongation":37.658},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.414,"opposition_distance":142.342}},"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":"06:44","sunsetLocal":"18:33","solarNoonLocal":"12:39","dayLengthHours":11.822607826930287,"dayLengthDisplay":"11 Hours 49 Mins 21 Secs","nightLengthDisplay":"12 Hours 10 Mins 39 Secs","moonriseLocal":"08:33","moonsetLocal":"21:36","rahuKala":{"name":"Rāhu Kāla","start":"17:05","end":"18:33","startHours":17.079963246875437,"endHours":18.557789225241724,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:39","end":"14:07","startHours":12.64648531177658,"endHours":14.124311290142867,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:36","end":"17:05","startHours":15.602137268509152,"endHours":17.079963246875437,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:30","end":"09:53","startHours":9.493789891261837,"endHours":9.887876818826179,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:14","end":"07:33","startHours":7.227790057766865,"endHours":7.543059599818339,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:15","end":"13:02","startHours":12.252398384212237,"endHours":13.040572239340923,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:10","end":"05:57","startHours":5.158833688054065,"endHours":5.9470075431827505,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:45","end":"06:44","startHours":5.749964079400579,"endHours":6.735181398311436,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:37","end":"15:24","startHours":14.616919949598294,"endHours":15.405093804726981,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:21","end":"18:45","startHours":18.357789225241724,"endHours":18.757789225241723,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:33","end":"19:03","startHours":18.557789225241724,"endHours":19.05039788469715,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:18","end":"20:03","startHours":18.307789225241724,"endHours":20.057789225241724,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:15","end":"01:02","startHours":24.25239838421224,"endHours":25.04057223934092,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:44","end":"08:13","startHours":6.735181398311436,"endHours":8.213007376677723,"quality":"inauspicious"},{"name":"Chala","start":"08:13","end":"09:41","startHours":8.213007376677723,"endHours":9.690833355044008,"quality":"neutral"},{"name":"Labha","start":"09:41","end":"11:10","startHours":9.690833355044008,"endHours":11.168659333410293,"quality":"auspicious"},{"name":"Amṛta","start":"11:10","end":"12:39","startHours":11.168659333410293,"endHours":12.64648531177658,"quality":"auspicious"},{"name":"Kāla","start":"12:39","end":"14:07","startHours":12.64648531177658,"endHours":14.124311290142867,"quality":"inauspicious"},{"name":"Śubha","start":"14:07","end":"15:36","startHours":14.124311290142867,"endHours":15.602137268509152,"quality":"auspicious"},{"name":"Roga","start":"15:36","end":"17:05","startHours":15.602137268509152,"endHours":17.079963246875437,"quality":"inauspicious"},{"name":"Udveg","start":"17:05","end":"18:33","startHours":17.079963246875437,"endHours":18.557789225241724,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:33","end":"20:05","startHours":18.557789225241724,"endHours":20.079963246875437,"quality":"auspicious"},{"name":"Roga","start":"20:05","end":"21:36","startHours":20.079963246875437,"endHours":21.602137268509154,"quality":"inauspicious"},{"name":"Udveg","start":"21:36","end":"23:07","startHours":21.602137268509154,"endHours":23.124311290142867,"quality":"inauspicious"},{"name":"Chala","start":"23:07","end":"00:39","startHours":23.124311290142867,"endHours":24.64648531177658,"quality":"neutral"},{"name":"Labha","start":"00:39","end":"02:10","startHours":24.64648531177658,"endHours":26.168659333410293,"quality":"auspicious"},{"name":"Amṛta","start":"02:10","end":"03:41","startHours":26.168659333410293,"endHours":27.690833355044006,"quality":"auspicious"},{"name":"Kāla","start":"03:41","end":"05:13","startHours":27.690833355044006,"endHours":29.213007376677723,"quality":"inauspicious"},{"name":"Śubha","start":"05:13","end":"06:44","startHours":29.213007376677723,"endHours":30.735181398311436,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:44","end":"07:44","startHours":6.735181398311436,"endHours":7.735181398311436,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:44","end":"08:44","startHours":7.735181398311436,"endHours":8.735181398311436,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:44","end":"09:44","startHours":8.735181398311436,"endHours":9.735181398311436,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:44","end":"10:44","startHours":9.735181398311436,"endHours":10.735181398311436,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:44","end":"11:44","startHours":10.735181398311436,"endHours":11.735181398311436,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:44","end":"12:44","startHours":11.735181398311436,"endHours":12.735181398311436,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:44","end":"13:44","startHours":12.735181398311436,"endHours":13.735181398311436,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:44","end":"14:44","startHours":13.735181398311436,"endHours":14.735181398311436,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:44","end":"15:44","startHours":14.735181398311436,"endHours":15.735181398311436,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:44","end":"16:44","startHours":15.735181398311436,"endHours":16.735181398311436,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:44","end":"17:44","startHours":16.735181398311436,"endHours":17.735181398311436,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:44","end":"18:44","startHours":17.735181398311436,"endHours":18.735181398311436,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:44","end":"19:44","startHours":18.735181398311436,"endHours":19.735181398311436,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:44","end":"20:44","startHours":19.735181398311436,"endHours":20.735181398311436,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:44","end":"21:44","startHours":20.735181398311436,"endHours":21.735181398311436,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:44","end":"22:44","startHours":21.735181398311436,"endHours":22.735181398311436,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:44","end":"23:44","startHours":22.735181398311436,"endHours":23.735181398311436,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:44","end":"00:44","startHours":23.735181398311436,"endHours":24.735181398311436,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:44","end":"01:44","startHours":24.735181398311436,"endHours":25.735181398311436,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:44","end":"02:44","startHours":25.735181398311436,"endHours":26.735181398311436,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:44","end":"03:44","startHours":26.735181398311436,"endHours":27.735181398311436,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:44","end":"04:44","startHours":27.735181398311436,"endHours":28.735181398311436,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:44","end":"05:44","startHours":28.735181398311436,"endHours":29.735181398311436,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:44","end":"06:44","startHours":29.735181398311436,"endHours":30.735181398311436,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Ānanda","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":-3.5234827133879105,"eotMinutes":-10.493118706594819,"ayanamsa":23.5484}},"calendars":{"vikram_samvat":2035,"vikram_samvatsara":"Prajāpati","saka_samvat":1900,"saka_samvatsara":"Kālayukta","bengali_samvat":1385,"malayalam_era":1154,"nanakshahi_year":509,"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 Caturthī · Vikram 2035 Prajāpati · Śaka 1900 Kālayukta"},"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":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","relevance":0.5}]},"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 March 12, 1978 CE · Phoenix, USA · Vidhyamitra","description":"March 12, 1978 CE for Phoenix, USA: Śukla Caturthī, sūryodaya 06:44, sūryāsta 18:33.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1978-03-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1978-03-12","sa":"https://sa.vidhyamitra.com/city/phoenix/1978-03-12","hi":"https://hi.vidhyamitra.com/city/phoenix/1978-03-12","x-default":"https://vidhyamitra.com/city/phoenix/1978-03-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T03:10:27.771Z","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":"2026-06-02T03:10:27.771Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T03:10:27.771Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}