{"id":"vidhyamitra:city-day:varanasi:1983-04-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/varanasi/1983-04-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1983-04-01","date_display":"April 1, 1983 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":1983,"month":4,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445425.770833,"kali_year":5084,"ahargana":1856960.2708,"sun":{"sidereal_longitude":347.3424,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":208.8833,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":221.5409,"elapsed_within_tithi_degrees":5.5409},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":208.8833,"elapsed_within_degrees":8.8833},"yoga":{"number":15,"name":"Vajra","sum_longitude":196.2256},"karana":{"half_tithi_index":36,"name":"Bava"},"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":1983,"month":4,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2445425.770833,"ahargana":1856960.2708,"kali_year":5084,"ayanamsa_lahiri":23.619,"grahas":{"sun":{"sidereal_longitude":347.13581,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":208.14900999999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false,"latitude":2.9163},"mars":{"sidereal_longitude":3.2284099999999967,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":353.09461,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":228.03891,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":21.856209999999976,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":188.73730999999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":69.3085,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":249.3085,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":1983,"month":4,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445425.770833,"kali_year":5084,"ahargana":1856960.2708,"sun":{"sidereal_longitude":347.3424,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":208.8833,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":221.5409,"elapsed_within_tithi_degrees":5.5409},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":208.8833,"elapsed_within_degrees":8.8833},"yoga":{"number":15,"name":"Vajra","sum_longitude":196.2256},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.916,"elongation":138.459},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.916,"opposition_distance":41.541}},"eclipse_window_40days":[]},"city":{"slug":"varanasi","name":"Vārāṇasī (Kāśī)","lat":25.3176,"lon":82.9739,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"varanasi","name":"Vārāṇasī (Kāśī)","lat":25.3176,"lon":82.9739,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"05:51","sunsetLocal":"18:14","solarNoonLocal":"12:02","dayLengthHours":12.392348170757785,"dayLengthDisplay":"12 Hours 23 Mins 32 Secs","nightLengthDisplay":"11 Hours 36 Mins 28 Secs","moonriseLocal":"21:20","moonsetLocal":"08:13","rahuKala":{"name":"Rāhu Kāla","start":"10:30","end":"12:02","startHours":10.491768080341132,"endHours":12.040811601685856,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:08","end":"16:41","startHours":15.138898644375303,"endHours":16.687942165720024,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:24","end":"08:57","startHours":7.393681037651686,"endHours":8.94272455899641,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:44","end":"09:09","startHours":8.736185422817112,"endHours":9.149263695175705,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:22","end":"06:41","startHours":6.360985356755204,"endHours":6.691447974642078,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:38","end":"12:27","startHours":11.627733329327263,"endHours":12.45388987404445,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:12","end":"05:01","startHours":4.192324426872592,"endHours":5.018480971589778,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:49","end":"05:51","startHours":4.811941835410481,"endHours":5.844637516306963,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:06","end":"14:56","startHours":14.106202963478822,"endHours":14.932359508196008,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:02","end":"18:26","startHours":18.03698568706475,"endHours":18.436985687064748,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:14","end":"18:45","startHours":18.23698568706475,"endHours":18.75333352751299,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:59","end":"19:44","startHours":17.98698568706475,"endHours":19.73698568706475,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:38","end":"00:27","startHours":23.627733329327263,"endHours":24.45388987404445,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:51","end":"07:24","startHours":5.844637516306963,"endHours":7.393681037651686,"quality":"neutral"},{"name":"Labha","start":"07:24","end":"08:57","startHours":7.393681037651686,"endHours":8.94272455899641,"quality":"auspicious"},{"name":"Amṛta","start":"08:57","end":"10:30","startHours":8.94272455899641,"endHours":10.491768080341132,"quality":"auspicious"},{"name":"Kāla","start":"10:30","end":"12:02","startHours":10.491768080341132,"endHours":12.040811601685856,"quality":"inauspicious"},{"name":"Śubha","start":"12:02","end":"13:35","startHours":12.040811601685856,"endHours":13.589855123030578,"quality":"auspicious"},{"name":"Roga","start":"13:35","end":"15:08","startHours":13.589855123030578,"endHours":15.138898644375303,"quality":"inauspicious"},{"name":"Udveg","start":"15:08","end":"16:41","startHours":15.138898644375303,"endHours":16.687942165720024,"quality":"inauspicious"},{"name":"Chala","start":"16:41","end":"18:14","startHours":16.687942165720024,"endHours":18.23698568706475,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:14","end":"19:41","startHours":18.23698568706475,"endHours":19.687942165720024,"quality":"inauspicious"},{"name":"Udveg","start":"19:41","end":"21:08","startHours":19.687942165720024,"endHours":21.138898644375303,"quality":"inauspicious"},{"name":"Chala","start":"21:08","end":"22:35","startHours":21.138898644375303,"endHours":22.58985512303058,"quality":"neutral"},{"name":"Labha","start":"22:35","end":"00:02","startHours":22.58985512303058,"endHours":24.040811601685856,"quality":"auspicious"},{"name":"Amṛta","start":"00:02","end":"01:30","startHours":24.040811601685856,"endHours":25.49176808034113,"quality":"auspicious"},{"name":"Kāla","start":"01:30","end":"02:57","startHours":25.49176808034113,"endHours":26.94272455899641,"quality":"inauspicious"},{"name":"Śubha","start":"02:57","end":"04:24","startHours":26.94272455899641,"endHours":28.39368103765169,"quality":"auspicious"},{"name":"Roga","start":"04:24","end":"05:51","startHours":28.39368103765169,"endHours":29.844637516306964,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:51","end":"06:51","startHours":5.844637516306963,"endHours":6.844637516306963,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:51","end":"07:51","startHours":6.844637516306963,"endHours":7.844637516306963,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:51","end":"08:51","startHours":7.844637516306963,"endHours":8.844637516306964,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:51","end":"09:51","startHours":8.844637516306964,"endHours":9.844637516306964,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:51","end":"10:51","startHours":9.844637516306964,"endHours":10.844637516306964,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:51","end":"11:51","startHours":10.844637516306964,"endHours":11.844637516306964,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:51","end":"12:51","startHours":11.844637516306964,"endHours":12.844637516306964,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:51","end":"13:51","startHours":12.844637516306964,"endHours":13.844637516306964,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:51","end":"14:51","startHours":13.844637516306964,"endHours":14.844637516306964,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:51","end":"15:51","startHours":14.844637516306964,"endHours":15.844637516306964,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:51","end":"16:51","startHours":15.844637516306964,"endHours":16.844637516306964,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:51","end":"17:51","startHours":16.844637516306964,"endHours":17.844637516306964,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:51","end":"18:51","startHours":17.844637516306964,"endHours":18.844637516306964,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:51","end":"19:51","startHours":18.844637516306964,"endHours":19.844637516306964,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:51","end":"20:51","startHours":19.844637516306964,"endHours":20.844637516306964,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:51","end":"21:51","startHours":20.844637516306964,"endHours":21.844637516306964,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:51","end":"22:51","startHours":21.844637516306964,"endHours":22.844637516306964,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:51","end":"23:51","startHours":22.844637516306964,"endHours":23.844637516306964,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:51","end":"00:51","startHours":23.844637516306964,"endHours":24.844637516306964,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:51","end":"01:51","startHours":24.844637516306964,"endHours":25.844637516306964,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:51","end":"02:51","startHours":25.844637516306964,"endHours":26.844637516306964,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:51","end":"03:51","startHours":26.844637516306964,"endHours":27.844637516306964,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:51","end":"04:51","startHours":27.844637516306964,"endHours":28.844637516306964,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:51","end":"05:51","startHours":28.844637516306964,"endHours":29.844637516306964,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"North","rahuVasa":"South-East","anandadiYoga":{"name":"Śrīvatsa","quality":"Auspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":4.256376087327547,"eotMinutes":-4.344296101151456,"ayanamsa":23.619}},"calendars":{"vikram_samvat":2040,"vikram_samvatsara":"Dhātṛ","saka_samvat":1905,"saka_samvatsara":"Rudhirodgāri","bengali_samvat":1390,"malayalam_era":1159,"nanakshahi_year":514,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Kṛṣṇa Caturthī · Vikram 2040 Dhātṛ · Śaka 1905 Rudhirodgāri"},"festivals":[{"id":"mina-sankranti","name":"Mīna Saṅkrānti","name_sanskrit":"मीन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Pisces; Mīna-māsa begins.","vrata":false,"detection":{"sun_rashi":"Mīna"},"precedence":5},{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"varanasi"},"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, 1983 CE · Vārāṇasī (Kāśī) · Vidhyamitra","description":"April 1, 1983 CE for Vārāṇasī (Kāśī): Kṛṣṇa Caturthī, sūryodaya 05:51, sūryāsta 18:14.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/varanasi/1983-04-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/varanasi/1983-04-01","sa":"https://sa.vidhyamitra.com/city/varanasi/1983-04-01","hi":"https://hi.vidhyamitra.com/city/varanasi/1983-04-01","x-default":"https://vidhyamitra.com/city/varanasi/1983-04-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T12:14:33.090Z","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":"2026-05-14T12:14:33.090Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T12:14:33.090Z","pillar_versions":{"BOB-History":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}