{"id":"vidhyamitra:city-day:varanasi:1978-08-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/varanasi/1978-08-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1978-08-13","date_display":"August 13, 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":8,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443733.770833,"kali_year":5080,"ahargana":1855268.2708,"sun":{"sidereal_longitude":115.8462,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":224.6883,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":108.8421,"elapsed_within_tithi_degrees":0.8421},"nakshatra":{"number":17,"name":"Anurādhā","pada":4,"moon_longitude":224.6883,"elapsed_within_degrees":11.355},"yoga":{"number":26,"name":"Indra","sum_longitude":340.5345},"karana":{"half_tithi_index":18,"name":"Taitila"},"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":8,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2443733.770833,"ahargana":1855268.2708,"kali_year":5080,"ayanamsa_lahiri":23.5542,"grahas":{"sun":{"sidereal_longitude":116.397357,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":221.871357,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false,"latitude":4.1016},"mars":{"sidereal_longitude":162.09815700000001,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":127.00305700000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":91.43105700000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"venus":{"sidereal_longitude":161.97245699999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":128.432457,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":158.9588,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":338.9588,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"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":8,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443733.770833,"kali_year":5080,"ahargana":1855268.2708,"sun":{"sidereal_longitude":115.8462,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":224.6883,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":108.8421,"elapsed_within_tithi_degrees":0.8421},"nakshatra":{"number":17,"name":"Anurādhā","pada":4,"moon_longitude":224.6883,"elapsed_within_degrees":11.355},"yoga":{"number":26,"name":"Indra","sum_longitude":340.5345},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.102,"elongation":108.842},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.102,"opposition_distance":71.158}},"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":"05:30","sunsetLocal":"18:35","solarNoonLocal":"12:03","dayLengthHours":13.087506675509587,"dayLengthDisplay":"13 Hours 05 Mins 15 Secs","nightLengthDisplay":"10 Hours 54 Mins 45 Secs","moonriseLocal":"13:44","moonsetLocal":"00:25","rahuKala":{"name":"Rāhu Kāla","start":"16:57","end":"18:35","startHours":16.952247015619687,"endHours":18.588185350058385,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:03","end":"13:41","startHours":12.044432012303592,"endHours":13.68037034674229,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:19","end":"16:57","startHours":15.316308681180988,"endHours":16.952247015619687,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:33","end":"08:59","startHours":8.554430232167702,"endHours":8.99068045468469,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:03","end":"06:24","startHours":6.045991452695032,"endHours":6.3949916307086205,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:36","end":"12:29","startHours":11.608181789786606,"endHours":12.480682234820577,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:45","end":"04:38","startHours":3.755677784480854,"endHours":4.628178229514826,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:25","end":"05:30","startHours":4.410053118256333,"endHours":5.500678674548799,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:14","end":"15:06","startHours":14.225683124888523,"endHours":15.098183569922496,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:23","end":"18:47","startHours":18.388185350058386,"endHours":18.788185350058384,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:35","end":"19:08","startHours":18.588185350058385,"endHours":19.133498128204618,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:20","end":"20:05","startHours":18.338185350058385,"endHours":20.088185350058385,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:36","end":"00:29","startHours":23.608181789786606,"endHours":24.480682234820577,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:30","end":"07:08","startHours":5.500678674548799,"endHours":7.136617008987497,"quality":"inauspicious"},{"name":"Chala","start":"07:08","end":"08:46","startHours":7.136617008987497,"endHours":8.772555343426195,"quality":"neutral"},{"name":"Labha","start":"08:46","end":"10:25","startHours":8.772555343426195,"endHours":10.408493677864893,"quality":"auspicious"},{"name":"Amṛta","start":"10:25","end":"12:03","startHours":10.408493677864893,"endHours":12.044432012303592,"quality":"auspicious"},{"name":"Kāla","start":"12:03","end":"13:41","startHours":12.044432012303592,"endHours":13.68037034674229,"quality":"inauspicious"},{"name":"Śubha","start":"13:41","end":"15:19","startHours":13.68037034674229,"endHours":15.316308681180988,"quality":"auspicious"},{"name":"Roga","start":"15:19","end":"16:57","startHours":15.316308681180988,"endHours":16.952247015619687,"quality":"inauspicious"},{"name":"Udveg","start":"16:57","end":"18:35","startHours":16.952247015619687,"endHours":18.588185350058385,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:35","end":"19:57","startHours":18.588185350058385,"endHours":19.952247015619687,"quality":"auspicious"},{"name":"Roga","start":"19:57","end":"21:19","startHours":19.952247015619687,"endHours":21.31630868118099,"quality":"inauspicious"},{"name":"Udveg","start":"21:19","end":"22:41","startHours":21.31630868118099,"endHours":22.68037034674229,"quality":"inauspicious"},{"name":"Chala","start":"22:41","end":"00:03","startHours":22.68037034674229,"endHours":24.04443201230359,"quality":"neutral"},{"name":"Labha","start":"00:03","end":"01:25","startHours":24.04443201230359,"endHours":25.408493677864893,"quality":"auspicious"},{"name":"Amṛta","start":"01:25","end":"02:46","startHours":25.408493677864893,"endHours":26.772555343426195,"quality":"auspicious"},{"name":"Kāla","start":"02:46","end":"04:08","startHours":26.772555343426195,"endHours":28.136617008987496,"quality":"inauspicious"},{"name":"Śubha","start":"04:08","end":"05:30","startHours":28.136617008987496,"endHours":29.500678674548798,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:30","end":"06:30","startHours":5.500678674548799,"endHours":6.500678674548799,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:30","end":"07:30","startHours":6.500678674548799,"endHours":7.500678674548799,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:30","end":"08:30","startHours":7.500678674548799,"endHours":8.500678674548798,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:30","end":"09:30","startHours":8.500678674548798,"endHours":9.500678674548798,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:30","end":"10:30","startHours":9.500678674548798,"endHours":10.500678674548798,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:30","end":"11:30","startHours":10.500678674548798,"endHours":11.500678674548798,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:30","end":"12:30","startHours":11.500678674548798,"endHours":12.500678674548798,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:30","end":"13:30","startHours":12.500678674548798,"endHours":13.500678674548798,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:30","end":"14:30","startHours":13.500678674548798,"endHours":14.500678674548798,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:30","end":"15:30","startHours":14.500678674548798,"endHours":15.500678674548798,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:30","end":"16:30","startHours":15.500678674548798,"endHours":16.500678674548798,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:30","end":"17:30","startHours":16.500678674548798,"endHours":17.500678674548798,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:30","end":"18:30","startHours":17.500678674548798,"endHours":18.500678674548798,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:30","end":"19:30","startHours":18.500678674548798,"endHours":19.500678674548798,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:30","end":"20:30","startHours":19.500678674548798,"endHours":20.500678674548798,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:30","end":"21:30","startHours":20.500678674548798,"endHours":21.500678674548798,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:30","end":"22:30","startHours":21.500678674548798,"endHours":22.500678674548798,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:30","end":"23:30","startHours":22.500678674548798,"endHours":23.500678674548798,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:30","end":"00:30","startHours":23.500678674548798,"endHours":24.500678674548798,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:30","end":"01:30","startHours":24.500678674548798,"endHours":25.500678674548798,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:30","end":"02:30","startHours":25.500678674548798,"endHours":26.500678674548798,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:30","end":"03:30","startHours":26.500678674548798,"endHours":27.500678674548798,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:30","end":"04:30","startHours":27.500678674548798,"endHours":28.500678674548798,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:30","end":"05:30","startHours":28.500678674548798,"endHours":29.500678674548798,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"North-East","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":14.827810611306036,"eotMinutes":-4.561520738215509,"ayanamsa":23.5542}},"calendars":{"vikram_samvat":2035,"vikram_samvatsara":"Prajāpati","saka_samvat":1900,"saka_samvatsara":"Kālayukta","bengali_samvat":1385,"malayalam_era":1154,"nanakshahi_year":509,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Daśamī · Vikram 2035 Prajāpati · Śaka 1900 Kālayukta"},"festivals":[{"id":"karka-sankranti","name":"Karka Saṅkrānti (Dakṣiṇāyana)","name_sanskrit":"कर्क सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Cancer; Dakṣiṇāyana (south-going) begins. Devatā-rātri begins.","vrata":true,"detection":{"sun_rashi":"Karka"},"precedence":2}],"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":"varanasi"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga August 13, 1978 CE · Vārāṇasī (Kāśī) · Vidhyamitra","description":"August 13, 1978 CE for Vārāṇasī (Kāśī): Śukla Daśamī, sūryodaya 05:30, sūryāsta 18:35.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/varanasi/1978-08-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/varanasi/1978-08-13","sa":"https://sa.vidhyamitra.com/city/varanasi/1978-08-13","hi":"https://hi.vidhyamitra.com/city/varanasi/1978-08-13","x-default":"https://vidhyamitra.com/city/varanasi/1978-08-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T14:40:04.567Z","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":"2026-05-14T14:40:04.567Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T14:40:04.567Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}