{"id":"vidhyamitra:city-day:phoenix:1978-02-05:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1978-02-05","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1978-02-05","date_display":"February 5, 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":2,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443544.770833,"kali_year":5079,"ahargana":1855079.2708,"sun":{"sidereal_longitude":292.4276,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":258.7946,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":326.3669,"elapsed_within_tithi_degrees":2.3669},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2,"moon_longitude":258.7946,"elapsed_within_degrees":5.4612},"yoga":{"number":15,"name":"Vajra","sum_longitude":191.2222},"karana":{"half_tithi_index":54,"name":"Gara"},"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":2,"day":5,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2443544.770833,"ahargana":1855079.2708,"kali_year":5079,"ayanamsa_lahiri":23.547,"grahas":{"sun":{"sidereal_longitude":292.332678,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":256.380278,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false,"latitude":4.5},"mars":{"sidereal_longitude":93.20327800000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":277.40387799999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":62.64727799999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":295.95457799999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":124.44007799999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":168.973,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":348.973,"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":2,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443544.770833,"kali_year":5079,"ahargana":1855079.2708,"sun":{"sidereal_longitude":292.4276,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":258.7946,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":326.3669,"elapsed_within_tithi_degrees":2.3669},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2,"moon_longitude":258.7946,"elapsed_within_degrees":5.4612},"yoga":{"number":15,"name":"Vajra","sum_longitude":191.2222},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.5,"elongation":33.633},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.5,"opposition_distance":146.367}},"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":"07:22","sunsetLocal":"18:03","solarNoonLocal":"12:42","dayLengthHours":10.677746271582654,"dayLengthDisplay":"10 Hours 40 Mins 40 Secs","nightLengthDisplay":"13 Hours 19 Mins 20 Secs","moonriseLocal":"05:21","moonsetLocal":"15:16","rahuKala":{"name":"Rāhu Kāla","start":"16:43","end":"18:03","startHours":16.71242182219129,"endHours":18.047140106139118,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:42","end":"14:03","startHours":12.70826697034779,"endHours":14.042985254295623,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:23","end":"16:43","startHours":15.377703538243454,"endHours":16.71242182219129,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:52","end":"10:13","startHours":9.860867964592416,"endHours":10.216792840311838,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:49","end":"08:06","startHours":7.814299929205741,"endHours":8.099039829781278,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:21","end":"13:04","startHours":12.352342094628368,"endHours":13.064191846067212,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:57","end":"06:39","startHours":5.9456943316787765,"endHours":6.65754408311762,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:29","end":"07:22","startHours":6.479581645257909,"endHours":7.369393834556464,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:29","end":"15:12","startHours":14.487891348944899,"endHours":15.199741100383743,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:51","end":"18:15","startHours":17.84714010613912,"endHours":18.247140106139117,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:03","end":"18:30","startHours":18.047140106139118,"endHours":18.492046200788394,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:48","end":"19:33","startHours":17.797140106139118,"endHours":19.547140106139118,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:21","end":"01:04","startHours":24.35234209462837,"endHours":25.06419184606721,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:22","end":"08:42","startHours":7.369393834556464,"endHours":8.704112118504295,"quality":"inauspicious"},{"name":"Chala","start":"08:42","end":"10:02","startHours":8.704112118504295,"endHours":10.038830402452128,"quality":"neutral"},{"name":"Labha","start":"10:02","end":"11:22","startHours":10.038830402452128,"endHours":11.373548686399959,"quality":"auspicious"},{"name":"Amṛta","start":"11:22","end":"12:42","startHours":11.373548686399959,"endHours":12.70826697034779,"quality":"auspicious"},{"name":"Kāla","start":"12:42","end":"14:03","startHours":12.70826697034779,"endHours":14.042985254295623,"quality":"inauspicious"},{"name":"Śubha","start":"14:03","end":"15:23","startHours":14.042985254295623,"endHours":15.377703538243454,"quality":"auspicious"},{"name":"Roga","start":"15:23","end":"16:43","startHours":15.377703538243454,"endHours":16.71242182219129,"quality":"inauspicious"},{"name":"Udveg","start":"16:43","end":"18:03","startHours":16.71242182219129,"endHours":18.047140106139118,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:03","end":"19:43","startHours":18.047140106139118,"endHours":19.712421822191285,"quality":"auspicious"},{"name":"Roga","start":"19:43","end":"21:23","startHours":19.712421822191285,"endHours":21.377703538243455,"quality":"inauspicious"},{"name":"Udveg","start":"21:23","end":"23:03","startHours":21.377703538243455,"endHours":23.042985254295623,"quality":"inauspicious"},{"name":"Chala","start":"23:03","end":"00:42","startHours":23.042985254295623,"endHours":24.70826697034779,"quality":"neutral"},{"name":"Labha","start":"00:42","end":"02:22","startHours":24.70826697034779,"endHours":26.373548686399957,"quality":"auspicious"},{"name":"Amṛta","start":"02:22","end":"04:02","startHours":26.373548686399957,"endHours":28.038830402452128,"quality":"auspicious"},{"name":"Kāla","start":"04:02","end":"05:42","startHours":28.038830402452128,"endHours":29.704112118504295,"quality":"inauspicious"},{"name":"Śubha","start":"05:42","end":"07:22","startHours":29.704112118504295,"endHours":31.369393834556462,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:22","end":"08:22","startHours":7.369393834556464,"endHours":8.369393834556464,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:22","end":"09:22","startHours":8.369393834556464,"endHours":9.369393834556464,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:22","end":"10:22","startHours":9.369393834556464,"endHours":10.369393834556464,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:22","end":"11:22","startHours":10.369393834556464,"endHours":11.369393834556464,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:22","end":"12:22","startHours":11.369393834556464,"endHours":12.369393834556464,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:22","end":"13:22","startHours":12.369393834556464,"endHours":13.369393834556464,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:22","end":"14:22","startHours":13.369393834556464,"endHours":14.369393834556464,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:22","end":"15:22","startHours":14.369393834556464,"endHours":15.369393834556464,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:22","end":"16:22","startHours":15.369393834556464,"endHours":16.369393834556462,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:22","end":"17:22","startHours":16.369393834556462,"endHours":17.369393834556462,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:22","end":"18:22","startHours":17.369393834556462,"endHours":18.369393834556462,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:22","end":"19:22","startHours":18.369393834556462,"endHours":19.369393834556462,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:22","end":"20:22","startHours":19.369393834556462,"endHours":20.369393834556462,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:22","end":"21:22","startHours":20.369393834556462,"endHours":21.369393834556462,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:22","end":"22:22","startHours":21.369393834556462,"endHours":22.369393834556462,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:22","end":"23:22","startHours":22.369393834556462,"endHours":23.369393834556462,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:22","end":"00:22","startHours":23.369393834556462,"endHours":24.369393834556462,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:22","end":"01:22","startHours":24.369393834556462,"endHours":25.369393834556462,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:22","end":"02:22","startHours":25.369393834556462,"endHours":26.369393834556462,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:22","end":"03:22","startHours":26.369393834556462,"endHours":27.369393834556462,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:22","end":"04:22","startHours":27.369393834556462,"endHours":28.369393834556462,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:22","end":"05:22","startHours":28.369393834556462,"endHours":29.369393834556462,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:22","end":"06:22","startHours":29.369393834556462,"endHours":30.369393834556462,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:22","end":"07:22","startHours":30.369393834556462,"endHours":31.369393834556462,"planetary_lord":"Jupiter"}],"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","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-16.074582021357763,"eotMinutes":-14.200018220867548,"ayanamsa":23.547}},"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 Trayodaśī · Vikram 2035 Prajāpati · Śaka 1900 Kālayukta"},"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":"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 February 5, 1978 CE · Phoenix, USA · Vidhyamitra","description":"February 5, 1978 CE for Phoenix, USA: Kṛṣṇa Trayodaśī, sūryodaya 07:22, sūryāsta 18:03.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1978-02-05","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1978-02-05","sa":"https://sa.vidhyamitra.com/city/phoenix/1978-02-05","hi":"https://hi.vidhyamitra.com/city/phoenix/1978-02-05","x-default":"https://vidhyamitra.com/city/phoenix/1978-02-05"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T20:54:29.067Z","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":"2026-06-01T20:54:29.067Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T20:54:29.067Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}