{"id":"vidhyamitra:city-day:ranchi:1979-04-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ranchi/1979-04-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1979-04-01","date_display":"April 1, 1979 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":1979,"month":4,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443964.770833,"kali_year":5080,"ahargana":1855499.2708,"sun":{"sidereal_longitude":347.3769,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":37.803,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":50.4261,"elapsed_within_tithi_degrees":2.4261},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4,"moon_longitude":37.803,"elapsed_within_degrees":11.1363},"yoga":{"number":2,"name":"Prīti","sum_longitude":25.1798},"karana":{"half_tithi_index":8,"name":"Bava"},"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":1979,"month":4,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2443964.770833,"ahargana":1855499.2708,"kali_year":5080,"ayanamsa_lahiri":23.5631,"grahas":{"sun":{"sidereal_longitude":347.161531,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":38.02273100000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false,"latitude":-4.2565},"mars":{"sidereal_longitude":332.02023099999997,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":334.346131,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":95.20653100000004,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"venus":{"sidereal_longitude":310.22643100000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":134.63253099999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":146.7193,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":326.7193,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"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":1979,"month":4,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443964.770833,"kali_year":5080,"ahargana":1855499.2708,"sun":{"sidereal_longitude":347.3769,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":37.803,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":50.4261,"elapsed_within_tithi_degrees":2.4261},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4,"moon_longitude":37.803,"elapsed_within_degrees":11.1363},"yoga":{"number":2,"name":"Prīti","sum_longitude":25.1798},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.257,"elongation":50.426},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.257,"opposition_distance":129.574}},"eclipse_window_40days":[{"offset_days":-18,"type":"lunar","occurs":true,"moon_latitude":0.313,"opposition_distance":2.135},{"offset_days":-4,"type":"solar","occurs":true,"moon_latitude":-1.291,"elongation":0.19}]},"city":{"slug":"ranchi","name":"Ranchi, Jharkhand","lat":23.3441,"lon":85.3096,"tz_offset_hours":5.5,"state":"Jharkhand","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"ranchi","name":"Ranchi, Jharkhand","lat":23.3441,"lon":85.3096,"tz_offset_hours":5.5,"state":"Jharkhand","country":"IN","tier":"tier-1"},"sunriseLocal":"05:42","sunsetLocal":"18:04","solarNoonLocal":"11:53","dayLengthHours":12.366134237402942,"dayLengthDisplay":"12 Hours 21 Mins 58 Secs","nightLengthDisplay":"11 Hours 38 Mins 02 Secs","moonriseLocal":"08:37","moonsetLocal":"21:56","rahuKala":{"name":"Rāhu Kāla","start":"16:31","end":"18:04","startHours":16.522398607378626,"endHours":18.068165387053995,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:53","end":"13:26","startHours":11.885098268352522,"endHours":13.43086504802789,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:59","end":"16:31","startHours":14.976631827703258,"endHours":16.522398607378626,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:35","end":"09:00","startHours":8.587462471711738,"endHours":8.999666946291836,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:13","end":"06:33","startHours":6.217286742876174,"endHours":6.547050322540253,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:28","end":"12:18","startHours":11.472893793772425,"endHours":12.297302742932622,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:03","end":"04:53","startHours":4.053213251330659,"endHours":4.877622200490856,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:40","end":"05:42","startHours":4.671519963200806,"endHours":5.702031149651051,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:57","end":"14:46","startHours":13.946120641253014,"endHours":14.77052959041321,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:52","end":"18:16","startHours":17.868165387053995,"endHours":18.268165387053994,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:04","end":"18:35","startHours":18.068165387053995,"endHours":18.58342098027912,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:49","end":"19:34","startHours":17.818165387053995,"endHours":19.568165387053995,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:28","end":"00:18","startHours":23.472893793772425,"endHours":24.29730274293262,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:42","end":"07:15","startHours":5.702031149651051,"endHours":7.247797929326419,"quality":"inauspicious"},{"name":"Chala","start":"07:15","end":"08:48","startHours":7.247797929326419,"endHours":8.793564709001787,"quality":"neutral"},{"name":"Labha","start":"08:48","end":"10:20","startHours":8.793564709001787,"endHours":10.339331488677153,"quality":"auspicious"},{"name":"Amṛta","start":"10:20","end":"11:53","startHours":10.339331488677153,"endHours":11.885098268352522,"quality":"auspicious"},{"name":"Kāla","start":"11:53","end":"13:26","startHours":11.885098268352522,"endHours":13.43086504802789,"quality":"inauspicious"},{"name":"Śubha","start":"13:26","end":"14:59","startHours":13.43086504802789,"endHours":14.976631827703258,"quality":"auspicious"},{"name":"Roga","start":"14:59","end":"16:31","startHours":14.976631827703258,"endHours":16.522398607378626,"quality":"inauspicious"},{"name":"Udveg","start":"16:31","end":"18:04","startHours":16.522398607378626,"endHours":18.068165387053995,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:04","end":"19:31","startHours":18.068165387053995,"endHours":19.522398607378626,"quality":"auspicious"},{"name":"Roga","start":"19:31","end":"20:59","startHours":19.522398607378626,"endHours":20.976631827703258,"quality":"inauspicious"},{"name":"Udveg","start":"20:59","end":"22:26","startHours":20.976631827703258,"endHours":22.43086504802789,"quality":"inauspicious"},{"name":"Chala","start":"22:26","end":"23:53","startHours":22.43086504802789,"endHours":23.88509826835252,"quality":"neutral"},{"name":"Labha","start":"23:53","end":"01:20","startHours":23.88509826835252,"endHours":25.339331488677153,"quality":"auspicious"},{"name":"Amṛta","start":"01:20","end":"02:48","startHours":25.339331488677153,"endHours":26.79356470900179,"quality":"auspicious"},{"name":"Kāla","start":"02:48","end":"04:15","startHours":26.79356470900179,"endHours":28.24779792932642,"quality":"inauspicious"},{"name":"Śubha","start":"04:15","end":"05:42","startHours":28.24779792932642,"endHours":29.702031149651052,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:42","end":"06:42","startHours":5.702031149651051,"endHours":6.702031149651051,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:42","end":"07:42","startHours":6.702031149651051,"endHours":7.702031149651051,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:42","end":"08:42","startHours":7.702031149651051,"endHours":8.702031149651052,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:42","end":"09:42","startHours":8.702031149651052,"endHours":9.702031149651052,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:42","end":"10:42","startHours":9.702031149651052,"endHours":10.702031149651052,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:42","end":"11:42","startHours":10.702031149651052,"endHours":11.702031149651052,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:42","end":"12:42","startHours":11.702031149651052,"endHours":12.702031149651052,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:42","end":"13:42","startHours":12.702031149651052,"endHours":13.702031149651052,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:42","end":"14:42","startHours":13.702031149651052,"endHours":14.702031149651052,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:42","end":"15:42","startHours":14.702031149651052,"endHours":15.702031149651052,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:42","end":"16:42","startHours":15.702031149651052,"endHours":16.702031149651052,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:42","end":"17:42","startHours":16.702031149651052,"endHours":17.702031149651052,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:42","end":"18:42","startHours":17.702031149651052,"endHours":18.702031149651052,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:42","end":"19:42","startHours":18.702031149651052,"endHours":19.702031149651052,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:42","end":"20:42","startHours":19.702031149651052,"endHours":20.702031149651052,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:42","end":"21:42","startHours":20.702031149651052,"endHours":21.702031149651052,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:42","end":"22:42","startHours":21.702031149651052,"endHours":22.702031149651052,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:42","end":"23:42","startHours":22.702031149651052,"endHours":23.702031149651052,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:42","end":"00:42","startHours":23.702031149651052,"endHours":24.702031149651052,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:42","end":"01:42","startHours":24.702031149651052,"endHours":25.702031149651052,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:42","end":"02:42","startHours":25.702031149651052,"endHours":26.702031149651052,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:42","end":"03:42","startHours":26.702031149651052,"endHours":27.702031149651052,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:42","end":"04:42","startHours":27.702031149651052,"endHours":28.702031149651052,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:42","end":"05:42","startHours":28.702031149651052,"endHours":29.702031149651052,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":4.244550643962675,"eotMinutes":-4.344296101151456,"ayanamsa":23.5631}},"calendars":{"vikram_samvat":2036,"vikram_samvatsara":"Aṅgirasa","saka_samvat":1901,"saka_samvatsara":"Siddhārthī","bengali_samvat":1386,"malayalam_era":1155,"nanakshahi_year":510,"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":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Pañcamī · Vikram 2036 Aṅgirasa · Śaka 1901 Siddhārthī"},"festivals":[{"id":"ramanuja-jayanti","name":"Rāmānujācārya Jayantī","name_sanskrit":"रामानुजाचार्य जयन्ती","tradition":"Vaishnava","associated_deity":"Rāmānujācārya (Viśiṣṭādvaita)","significance":"Birth of Rāmānujācārya; Viśiṣṭādvaita-pratiṣṭhāpaka. Caitra Śukla 5.","vrata":false,"detection":{"tithi_number":5,"tithi_paksha":"Śukla","lunar_month":"Caitra"},"precedence":3}],"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":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"ranchi"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga April 1, 1979 CE · Ranchi, Jharkhand · Vidhyamitra","description":"April 1, 1979 CE for Ranchi, Jharkhand: Śukla Pañcamī, sūryodaya 05:42, sūryāsta 18:04.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ranchi/1979-04-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ranchi/1979-04-01","sa":"https://sa.vidhyamitra.com/city/ranchi/1979-04-01","hi":"https://hi.vidhyamitra.com/city/ranchi/1979-04-01","x-default":"https://vidhyamitra.com/city/ranchi/1979-04-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T02:49:47.121Z","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":"2026-06-01T02:49:47.121Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T02:49:47.121Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}