{"id":"vidhyamitra:city-day:phoenix:1978-01-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1978-01-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1978-01-27","date_display":"January 27, 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":1,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443535.770833,"kali_year":5079,"ahargana":1855070.2708,"sun":{"sidereal_longitude":283.2309,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":135.4218,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":212.1909,"elapsed_within_tithi_degrees":8.1909},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":135.4218,"elapsed_within_degrees":2.0885},"yoga":{"number":5,"name":"Śobhana","sum_longitude":58.6527},"karana":{"half_tithi_index":35,"name":"Viṣṭi"},"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":1978,"month":1,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2443535.770833,"ahargana":1855070.2708,"kali_year":5079,"ayanamsa_lahiri":23.5467,"grahas":{"sun":{"sidereal_longitude":283.196722,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"moon":{"sidereal_longitude":133.76082199999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false,"latitude":-2.5164},"mars":{"sidereal_longitude":96.411922,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":263.941022,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":63.224222,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":284.659622,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":125.11832199999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":169.4498,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":349.4498,"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":1,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443535.770833,"kali_year":5079,"ahargana":1855070.2708,"sun":{"sidereal_longitude":283.2309,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":135.4218,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":212.1909,"elapsed_within_tithi_degrees":8.1909},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":135.4218,"elapsed_within_degrees":2.0885},"yoga":{"number":5,"name":"Śobhana","sum_longitude":58.6527},"karana":{"half_tithi_index":35,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.516,"elongation":147.809},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.516,"opposition_distance":32.191}},"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":"07:28","sunsetLocal":"17:54","solarNoonLocal":"12:41","dayLengthHours":10.432572652177518,"dayLengthDisplay":"10 Hours 25 Mins 57 Secs","nightLengthDisplay":"13 Hours 34 Mins 03 Secs","moonriseLocal":"20:17","moonsetLocal":"09:10","rahuKala":{"name":"Rāhu Kāla","start":"11:23","end":"12:41","startHours":11.380275176925794,"endHours":12.684346758447983,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:18","end":"16:36","startHours":15.292489921492363,"endHours":16.596561503014556,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:46","end":"10:05","startHours":8.772132013881414,"endHours":10.076203595403605,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:54","end":"10:15","startHours":9.90232738453398,"endHours":10.25007980627323,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:54","end":"08:11","startHours":7.9027509595332885,"endHours":8.180952896924689,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:20","end":"13:02","startHours":12.336594336708732,"endHours":13.032099180187235,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:05","end":"06:46","startHours":6.077050745402223,"endHours":6.772555588880724,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:36","end":"07:28","startHours":6.598679378011099,"endHours":7.468060432359225,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:25","end":"15:07","startHours":14.423108867144236,"endHours":15.118613710622737,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:42","end":"18:06","startHours":17.700633084536744,"endHours":18.100633084536742,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:54","end":"18:20","startHours":17.900633084536743,"endHours":18.335323611710805,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:39","end":"19:24","startHours":17.650633084536743,"endHours":19.400633084536743,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:20","end":"01:02","startHours":24.336594336708732,"endHours":25.032099180187235,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:28","end":"08:46","startHours":7.468060432359225,"endHours":8.772132013881414,"quality":"neutral"},{"name":"Labha","start":"08:46","end":"10:05","startHours":8.772132013881414,"endHours":10.076203595403605,"quality":"auspicious"},{"name":"Amṛta","start":"10:05","end":"11:23","startHours":10.076203595403605,"endHours":11.380275176925794,"quality":"auspicious"},{"name":"Kāla","start":"11:23","end":"12:41","startHours":11.380275176925794,"endHours":12.684346758447983,"quality":"inauspicious"},{"name":"Śubha","start":"12:41","end":"13:59","startHours":12.684346758447983,"endHours":13.988418339970174,"quality":"auspicious"},{"name":"Roga","start":"13:59","end":"15:18","startHours":13.988418339970174,"endHours":15.292489921492363,"quality":"inauspicious"},{"name":"Udveg","start":"15:18","end":"16:36","startHours":15.292489921492363,"endHours":16.596561503014556,"quality":"inauspicious"},{"name":"Chala","start":"16:36","end":"17:54","startHours":16.596561503014556,"endHours":17.900633084536743,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:54","end":"19:36","startHours":17.900633084536743,"endHours":19.596561503014552,"quality":"inauspicious"},{"name":"Udveg","start":"19:36","end":"21:18","startHours":19.596561503014552,"endHours":21.292489921492365,"quality":"inauspicious"},{"name":"Chala","start":"21:18","end":"22:59","startHours":21.292489921492365,"endHours":22.988418339970174,"quality":"neutral"},{"name":"Labha","start":"22:59","end":"00:41","startHours":22.988418339970174,"endHours":24.684346758447983,"quality":"auspicious"},{"name":"Amṛta","start":"00:41","end":"02:23","startHours":24.684346758447983,"endHours":26.380275176925792,"quality":"auspicious"},{"name":"Kāla","start":"02:23","end":"04:05","startHours":26.380275176925792,"endHours":28.076203595403605,"quality":"inauspicious"},{"name":"Śubha","start":"04:05","end":"05:46","startHours":28.076203595403605,"endHours":29.772132013881414,"quality":"auspicious"},{"name":"Roga","start":"05:46","end":"07:28","startHours":29.772132013881414,"endHours":31.468060432359223,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:28","end":"08:28","startHours":7.468060432359225,"endHours":8.468060432359225,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:28","end":"09:28","startHours":8.468060432359225,"endHours":9.468060432359225,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:28","end":"10:28","startHours":9.468060432359225,"endHours":10.468060432359225,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:28","end":"11:28","startHours":10.468060432359225,"endHours":11.468060432359225,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:28","end":"12:28","startHours":11.468060432359225,"endHours":12.468060432359225,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:28","end":"13:28","startHours":12.468060432359225,"endHours":13.468060432359225,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:28","end":"14:28","startHours":13.468060432359225,"endHours":14.468060432359225,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:28","end":"15:28","startHours":14.468060432359225,"endHours":15.468060432359225,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:28","end":"16:28","startHours":15.468060432359225,"endHours":16.468060432359223,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:28","end":"17:28","startHours":16.468060432359223,"endHours":17.468060432359223,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:28","end":"18:28","startHours":17.468060432359223,"endHours":18.468060432359223,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:28","end":"19:28","startHours":18.468060432359223,"endHours":19.468060432359223,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:28","end":"20:28","startHours":19.468060432359223,"endHours":20.468060432359223,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:28","end":"21:28","startHours":20.468060432359223,"endHours":21.468060432359223,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:28","end":"22:28","startHours":21.468060432359223,"endHours":22.468060432359223,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:28","end":"23:28","startHours":22.468060432359223,"endHours":23.468060432359223,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:28","end":"00:28","startHours":23.468060432359223,"endHours":24.468060432359223,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:28","end":"01:28","startHours":24.468060432359223,"endHours":25.468060432359223,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:28","end":"02:28","startHours":25.468060432359223,"endHours":26.468060432359223,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:28","end":"03:28","startHours":26.468060432359223,"endHours":27.468060432359223,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:28","end":"04:28","startHours":27.468060432359223,"endHours":28.468060432359223,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:28","end":"05:28","startHours":28.468060432359223,"endHours":29.468060432359223,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:28","end":"06:28","startHours":29.468060432359223,"endHours":30.468060432359223,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:28","end":"07:28","startHours":30.468060432359223,"endHours":31.468060432359223,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"West","rahuVasa":"South-East","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-18.585048166178964,"eotMinutes":-12.76480550687915,"ayanamsa":23.5467}},"calendars":{"vikram_samvat":2035,"vikram_samvatsara":"Prajāpati","saka_samvat":1900,"saka_samvatsara":"Kālayukta","bengali_samvat":1385,"malayalam_era":1154,"nanakshahi_year":509,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Tṛtīyā · Vikram 2035 Prajāpati · Śaka 1900 Kālayukta"},"festivals":[],"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 January 27, 1978 CE · Phoenix, USA · Vidhyamitra","description":"January 27, 1978 CE for Phoenix, USA: Kṛṣṇa Tṛtīyā, sūryodaya 07:28, sūryāsta 17:54.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1978-01-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1978-01-27","sa":"https://sa.vidhyamitra.com/city/phoenix/1978-01-27","hi":"https://hi.vidhyamitra.com/city/phoenix/1978-01-27","x-default":"https://vidhyamitra.com/city/phoenix/1978-01-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T03:48:31.368Z","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":"2026-05-31T03:48:31.368Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T03:48:31.368Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}