{"id":"vidhyamitra:city-day:howrah:1979-04-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/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":"howrah","name":"Howrah, West Bengal","lat":22.5958,"lon":88.2636,"tz_offset_hours":5.5,"state":"West Bengal","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"howrah","name":"Howrah, West Bengal","lat":22.5958,"lon":88.2636,"tz_offset_hours":5.5,"state":"West Bengal","country":"IN","tier":"tier-1"},"sunriseLocal":"05:31","sunsetLocal":"17:52","solarNoonLocal":"11:41","dayLengthHours":12.356718673331436,"dayLengthDisplay":"12 Hours 21 Mins 24 Secs","nightLengthDisplay":"11 Hours 38 Mins 36 Secs","moonriseLocal":"08:26","moonsetLocal":"21:43","rahuKala":{"name":"Rāhu Kāla","start":"16:19","end":"17:52","startHours":16.32193443751848,"endHours":17.86652427168491,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:41","end":"13:14","startHours":11.688164935019191,"endHours":13.232754769185622,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:47","end":"16:19","startHours":14.777344603352052,"endHours":16.32193443751848,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:24","end":"08:48","startHours":8.393039955464143,"endHours":8.804930577908523,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:01","end":"06:21","startHours":6.024668876408951,"endHours":6.3541813743644555,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:17","end":"12:06","startHours":11.27627431257481,"endHours":12.100055557463573,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:52","end":"04:41","startHours":3.8622431085759494,"endHours":4.686024353464712,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:29","end":"05:31","startHours":4.480079042242521,"endHours":5.509805598353474,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:45","end":"14:34","startHours":13.747618047241097,"endHours":14.57139929212986,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:40","end":"18:04","startHours":17.66652427168491,"endHours":18.06652427168491,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:52","end":"18:23","startHours":17.86652427168491,"endHours":18.381387549740385,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:37","end":"19:22","startHours":17.61652427168491,"endHours":19.36652427168491,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:17","end":"00:06","startHours":23.27627431257481,"endHours":24.100055557463573,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:31","end":"07:03","startHours":5.509805598353474,"endHours":7.054395432519904,"quality":"inauspicious"},{"name":"Chala","start":"07:03","end":"08:36","startHours":7.054395432519904,"endHours":8.598985266686334,"quality":"neutral"},{"name":"Labha","start":"08:36","end":"10:09","startHours":8.598985266686334,"endHours":10.143575100852763,"quality":"auspicious"},{"name":"Amṛta","start":"10:09","end":"11:41","startHours":10.143575100852763,"endHours":11.688164935019191,"quality":"auspicious"},{"name":"Kāla","start":"11:41","end":"13:14","startHours":11.688164935019191,"endHours":13.232754769185622,"quality":"inauspicious"},{"name":"Śubha","start":"13:14","end":"14:47","startHours":13.232754769185622,"endHours":14.777344603352052,"quality":"auspicious"},{"name":"Roga","start":"14:47","end":"16:19","startHours":14.777344603352052,"endHours":16.32193443751848,"quality":"inauspicious"},{"name":"Udveg","start":"16:19","end":"17:52","startHours":16.32193443751848,"endHours":17.86652427168491,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:52","end":"19:19","startHours":17.86652427168491,"endHours":19.32193443751848,"quality":"auspicious"},{"name":"Roga","start":"19:19","end":"20:47","startHours":19.32193443751848,"endHours":20.77734460335205,"quality":"inauspicious"},{"name":"Udveg","start":"20:47","end":"22:14","startHours":20.77734460335205,"endHours":22.23275476918562,"quality":"inauspicious"},{"name":"Chala","start":"22:14","end":"23:41","startHours":22.23275476918562,"endHours":23.68816493501919,"quality":"neutral"},{"name":"Labha","start":"23:41","end":"01:09","startHours":23.68816493501919,"endHours":25.14357510085276,"quality":"auspicious"},{"name":"Amṛta","start":"01:09","end":"02:36","startHours":25.14357510085276,"endHours":26.598985266686334,"quality":"auspicious"},{"name":"Kāla","start":"02:36","end":"04:03","startHours":26.598985266686334,"endHours":28.054395432519904,"quality":"inauspicious"},{"name":"Śubha","start":"04:03","end":"05:31","startHours":28.054395432519904,"endHours":29.509805598353473,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:31","end":"06:31","startHours":5.509805598353474,"endHours":6.509805598353474,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:31","end":"07:31","startHours":6.509805598353474,"endHours":7.509805598353474,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:31","end":"08:31","startHours":7.509805598353474,"endHours":8.509805598353473,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:31","end":"09:31","startHours":8.509805598353473,"endHours":9.509805598353473,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:31","end":"10:31","startHours":9.509805598353473,"endHours":10.509805598353473,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:31","end":"11:31","startHours":10.509805598353473,"endHours":11.509805598353473,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:31","end":"12:31","startHours":11.509805598353473,"endHours":12.509805598353473,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:31","end":"13:31","startHours":12.509805598353473,"endHours":13.509805598353473,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:31","end":"14:31","startHours":13.509805598353473,"endHours":14.509805598353473,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:31","end":"15:31","startHours":14.509805598353473,"endHours":15.509805598353473,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:31","end":"16:31","startHours":15.509805598353473,"endHours":16.509805598353473,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:31","end":"17:31","startHours":16.509805598353473,"endHours":17.509805598353473,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:31","end":"18:31","startHours":17.509805598353473,"endHours":18.509805598353473,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:31","end":"19:31","startHours":18.509805598353473,"endHours":19.509805598353473,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:31","end":"20:31","startHours":19.509805598353473,"endHours":20.509805598353473,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:31","end":"21:31","startHours":20.509805598353473,"endHours":21.509805598353473,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:31","end":"22:31","startHours":21.509805598353473,"endHours":22.509805598353473,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:31","end":"23:31","startHours":22.509805598353473,"endHours":23.509805598353473,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:31","end":"00:31","startHours":23.509805598353473,"endHours":24.509805598353473,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:31","end":"01:31","startHours":24.509805598353473,"endHours":25.509805598353473,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:31","end":"02:31","startHours":25.509805598353473,"endHours":26.509805598353473,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:31","end":"03:31","startHours":26.509805598353473,"endHours":27.509805598353473,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:31","end":"04:31","startHours":27.509805598353473,"endHours":28.509805598353473,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:31","end":"05:31","startHours":28.509805598353473,"endHours":29.509805598353473,"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":"howrah"},"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 · Howrah, West Bengal · Vidhyamitra","description":"April 1, 1979 CE for Howrah, West Bengal: Śukla Pañcamī, sūryodaya 05:31, sūryāsta 17:52.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/1979-04-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/1979-04-01","sa":"https://sa.vidhyamitra.com/city/howrah/1979-04-01","hi":"https://hi.vidhyamitra.com/city/howrah/1979-04-01","x-default":"https://vidhyamitra.com/city/howrah/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":"2026-06-01T21:14:28.382Z","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":"2026-06-01T21:14:28.382Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T21:14:28.382Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}