{"id":"vidhyamitra:city-day:jamnagar:1978-04-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/1978-04-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1978-04-20","date_display":"April 20, 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":4,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443618.770833,"kali_year":5080,"ahargana":1855153.2708,"sun":{"sidereal_longitude":6.2262,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":146.6603,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":140.4341,"elapsed_within_tithi_degrees":8.4341},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":146.6603,"elapsed_within_degrees":13.327},"yoga":{"number":12,"name":"Dhruva","sum_longitude":152.8866},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":4,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2443618.770833,"ahargana":1855153.2708,"kali_year":5080,"ayanamsa_lahiri":23.5499,"grahas":{"sun":{"sidereal_longitude":6.064850999999976,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":146.69665099999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false,"latitude":-1.4185},"mars":{"sidereal_longitude":100.19485099999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":352.883651,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":67.41195099999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":27.879951000000005,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":120.04565100000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":165.0521,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":345.0521,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara 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":"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":4,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443618.770833,"kali_year":5080,"ahargana":1855153.2708,"sun":{"sidereal_longitude":6.2262,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":146.6603,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":140.4341,"elapsed_within_tithi_degrees":8.4341},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":146.6603,"elapsed_within_degrees":13.327},"yoga":{"number":12,"name":"Dhruva","sum_longitude":152.8866},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.418,"elongation":140.434},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.418,"opposition_distance":39.566}},"eclipse_window_40days":[]},"city":{"slug":"jamnagar","name":"Jamnagar, Gujarat","lat":22.4707,"lon":70.0577,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"jamnagar","name":"Jamnagar, Gujarat","lat":22.4707,"lon":70.0577,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tier-1"},"sunriseLocal":"06:26","sunsetLocal":"19:12","solarNoonLocal":"12:49","dayLengthHours":12.757214662029975,"dayLengthDisplay":"12 Hours 45 Mins 26 Secs","nightLengthDisplay":"11 Hours 14 Mins 34 Secs","moonriseLocal":"16:02","moonsetLocal":"04:20","rahuKala":{"name":"Rāhu Kāla","start":"14:24","end":"16:00","startHours":14.408009108326398,"endHours":16.002660941080144,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:26","end":"08:02","startHours":6.434749944557664,"endHours":8.029401777311412,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:37","end":"11:13","startHours":9.624053610065157,"endHours":11.218705442818905,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:25","end":"09:50","startHours":9.411433365697992,"endHours":9.836673854432323,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:58","end":"07:18","startHours":6.96630055547558,"endHours":7.306492946463045,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:23","end":"13:14","startHours":12.38811678683832,"endHours":13.238597764306984,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:44","end":"05:35","startHours":4.733787989620334,"endHours":5.584268967088999,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:22","end":"06:26","startHours":5.371648722721833,"endHours":6.434749944557664,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:56","end":"15:47","startHours":14.939559719244315,"endHours":15.79004069671298,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:00","end":"19:24","startHours":18.99196460658764,"endHours":19.39196460658764,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:12","end":"19:43","startHours":19.19196460658764,"endHours":19.723515217505554,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:57","end":"20:42","startHours":18.94196460658764,"endHours":20.69196460658764,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:23","end":"01:14","startHours":24.38811678683832,"endHours":25.238597764306984,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:26","end":"08:02","startHours":6.434749944557664,"endHours":8.029401777311412,"quality":"auspicious"},{"name":"Roga","start":"08:02","end":"09:37","startHours":8.029401777311412,"endHours":9.624053610065157,"quality":"inauspicious"},{"name":"Udveg","start":"09:37","end":"11:13","startHours":9.624053610065157,"endHours":11.218705442818905,"quality":"inauspicious"},{"name":"Chala","start":"11:13","end":"12:49","startHours":11.218705442818905,"endHours":12.813357275572653,"quality":"neutral"},{"name":"Labha","start":"12:49","end":"14:24","startHours":12.813357275572653,"endHours":14.408009108326398,"quality":"auspicious"},{"name":"Amṛta","start":"14:24","end":"16:00","startHours":14.408009108326398,"endHours":16.002660941080144,"quality":"auspicious"},{"name":"Kāla","start":"16:00","end":"17:36","startHours":16.002660941080144,"endHours":17.59731277383389,"quality":"inauspicious"},{"name":"Śubha","start":"17:36","end":"19:12","startHours":17.59731277383389,"endHours":19.19196460658764,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:12","end":"20:36","startHours":19.19196460658764,"endHours":20.59731277383389,"quality":"auspicious"},{"name":"Kāla","start":"20:36","end":"22:00","startHours":20.59731277383389,"endHours":22.002660941080144,"quality":"inauspicious"},{"name":"Śubha","start":"22:00","end":"23:24","startHours":22.002660941080144,"endHours":23.408009108326397,"quality":"auspicious"},{"name":"Roga","start":"23:24","end":"00:49","startHours":23.408009108326397,"endHours":24.813357275572653,"quality":"inauspicious"},{"name":"Udveg","start":"00:49","end":"02:13","startHours":24.813357275572653,"endHours":26.218705442818905,"quality":"inauspicious"},{"name":"Chala","start":"02:13","end":"03:37","startHours":26.218705442818905,"endHours":27.624053610065157,"quality":"neutral"},{"name":"Labha","start":"03:37","end":"05:02","startHours":27.624053610065157,"endHours":29.029401777311413,"quality":"auspicious"},{"name":"Amṛta","start":"05:02","end":"06:26","startHours":29.029401777311413,"endHours":30.434749944557666,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:26","end":"07:26","startHours":6.434749944557664,"endHours":7.434749944557664,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:26","end":"08:26","startHours":7.434749944557664,"endHours":8.434749944557664,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:26","end":"09:26","startHours":8.434749944557664,"endHours":9.434749944557664,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:26","end":"10:26","startHours":9.434749944557664,"endHours":10.434749944557664,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:26","end":"11:26","startHours":10.434749944557664,"endHours":11.434749944557664,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:26","end":"12:26","startHours":11.434749944557664,"endHours":12.434749944557664,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:26","end":"13:26","startHours":12.434749944557664,"endHours":13.434749944557664,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:26","end":"14:26","startHours":13.434749944557664,"endHours":14.434749944557664,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:26","end":"15:26","startHours":14.434749944557664,"endHours":15.434749944557664,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:26","end":"16:26","startHours":15.434749944557664,"endHours":16.434749944557666,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:26","end":"17:26","startHours":16.434749944557666,"endHours":17.434749944557666,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:26","end":"18:26","startHours":17.434749944557666,"endHours":18.434749944557666,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:26","end":"19:26","startHours":18.434749944557666,"endHours":19.434749944557666,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:26","end":"20:26","startHours":19.434749944557666,"endHours":20.434749944557666,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:26","end":"21:26","startHours":20.434749944557666,"endHours":21.434749944557666,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:26","end":"22:26","startHours":21.434749944557666,"endHours":22.434749944557666,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:26","end":"23:26","startHours":22.434749944557666,"endHours":23.434749944557666,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:26","end":"00:26","startHours":23.434749944557666,"endHours":24.434749944557666,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:26","end":"01:26","startHours":24.434749944557666,"endHours":25.434749944557666,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:26","end":"02:26","startHours":25.434749944557666,"endHours":26.434749944557666,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:26","end":"03:26","startHours":26.434749944557666,"endHours":27.434749944557666,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:26","end":"04:26","startHours":27.434749944557666,"endHours":28.434749944557666,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:26","end":"05:26","startHours":28.434749944557666,"endHours":29.434749944557666,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:26","end":"06:26","startHours":29.434749944557666,"endHours":30.434749944557666,"planetary_lord":"Moon"}],"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":"South (Dakṣiṇa)","chandraVasa":"West","rahuVasa":"North-West","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":11.33503569932339,"eotMinutes":0.9677634656409275,"ayanamsa":23.5499}},"calendars":{"vikram_samvat":2035,"vikram_samvatsara":"Prajāpati","saka_samvat":1900,"saka_samvatsara":"Kālayukta","bengali_samvat":1385,"malayalam_era":1154,"nanakshahi_year":509,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Dvādaśī · Vikram 2035 Prajāpati · Śaka 1900 Kālayukta"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"jamnagar"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga April 20, 1978 CE · Jamnagar, Gujarat · Vidhyamitra","description":"April 20, 1978 CE for Jamnagar, Gujarat: Śukla Dvādaśī, sūryodaya 06:26, sūryāsta 19:12.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/1978-04-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/1978-04-20","sa":"https://sa.vidhyamitra.com/city/jamnagar/1978-04-20","hi":"https://hi.vidhyamitra.com/city/jamnagar/1978-04-20","x-default":"https://vidhyamitra.com/city/jamnagar/1978-04-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T04:19:01.905Z","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":"2026-06-02T04:19:01.905Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T04:19:01.905Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}