{"id":"vidhyamitra:city-day:vrindavan:1983-08-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/1983-08-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1983-08-18","date_display":"August 18, 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":8,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445564.770833,"kali_year":5085,"ahargana":1857099.2708,"sun":{"sidereal_longitude":120.3444,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":236.7448,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":116.4003,"elapsed_within_tithi_degrees":8.4003},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4,"moon_longitude":236.7448,"elapsed_within_degrees":10.0781},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":357.0892},"karana":{"half_tithi_index":19,"name":"Gara"},"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":1983,"month":8,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2445564.770833,"ahargana":1857099.2708,"kali_year":5085,"ayanamsa_lahiri":23.6243,"grahas":{"sun":{"sidereal_longitude":120.93119899999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":239.74749900000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false,"latitude":0.4073},"mars":{"sidereal_longitude":99.446799,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":148.51749900000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":218.86429900000007,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":132.17379900000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":true},"saturn":{"sidereal_longitude":185.54469900000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":61.9436,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":241.9436,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"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":8,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445564.770833,"kali_year":5085,"ahargana":1857099.2708,"sun":{"sidereal_longitude":120.3444,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":236.7448,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":116.4003,"elapsed_within_tithi_degrees":8.4003},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4,"moon_longitude":236.7448,"elapsed_within_degrees":10.0781},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":357.0892},"karana":{"half_tithi_index":19,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.407,"elongation":116.4},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.407,"opposition_distance":63.6}},"eclipse_window_40days":[]},"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"05:51","sunsetLocal":"18:55","solarNoonLocal":"12:23","dayLengthHours":13.077617099493642,"dayLengthDisplay":"13 Hours 04 Mins 39 Secs","nightLengthDisplay":"10 Hours 55 Mins 21 Secs","moonriseLocal":"15:07","moonsetLocal":"01:29","rahuKala":{"name":"Rāhu Kāla","start":"14:01","end":"15:39","startHours":14.016216432785212,"endHours":15.650918570221917,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:51","end":"07:29","startHours":5.842705745601686,"endHours":7.477407883038391,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:07","end":"10:45","startHours":9.112110020475097,"endHours":10.746812157911801,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:54","end":"09:20","startHours":8.894149735483536,"endHours":9.330070305466657,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:23","end":"06:44","startHours":6.387606458080588,"endHours":6.736342914067085,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:49","startHours":11.945593725365384,"endHours":12.817434865331627,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:06","end":"04:58","startHours":4.0990234656692,"endHours":4.970864605635443,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:45","end":"05:51","startHours":4.752904320643882,"endHours":5.842705745601686,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:34","end":"15:26","startHours":14.561117145264113,"endHours":15.432958285230356,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:43","end":"19:07","startHours":18.72032284509533,"endHours":19.120322845095327,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:55","end":"19:28","startHours":18.920322845095328,"endHours":19.46522355757423,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:40","end":"20:25","startHours":18.670322845095328,"endHours":20.420322845095328,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:49","startHours":23.945593725365384,"endHours":24.817434865331627,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:51","end":"07:29","startHours":5.842705745601686,"endHours":7.477407883038391,"quality":"auspicious"},{"name":"Roga","start":"07:29","end":"09:07","startHours":7.477407883038391,"endHours":9.112110020475097,"quality":"inauspicious"},{"name":"Udveg","start":"09:07","end":"10:45","startHours":9.112110020475097,"endHours":10.746812157911801,"quality":"inauspicious"},{"name":"Chala","start":"10:45","end":"12:23","startHours":10.746812157911801,"endHours":12.381514295348506,"quality":"neutral"},{"name":"Labha","start":"12:23","end":"14:01","startHours":12.381514295348506,"endHours":14.016216432785212,"quality":"auspicious"},{"name":"Amṛta","start":"14:01","end":"15:39","startHours":14.016216432785212,"endHours":15.650918570221917,"quality":"auspicious"},{"name":"Kāla","start":"15:39","end":"17:17","startHours":15.650918570221917,"endHours":17.285620707658623,"quality":"inauspicious"},{"name":"Śubha","start":"17:17","end":"18:55","startHours":17.285620707658623,"endHours":18.920322845095328,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:55","end":"20:17","startHours":18.920322845095328,"endHours":20.285620707658623,"quality":"auspicious"},{"name":"Kāla","start":"20:17","end":"21:39","startHours":20.285620707658623,"endHours":21.65091857022192,"quality":"inauspicious"},{"name":"Śubha","start":"21:39","end":"23:01","startHours":21.65091857022192,"endHours":23.016216432785214,"quality":"auspicious"},{"name":"Roga","start":"23:01","end":"00:23","startHours":23.016216432785214,"endHours":24.381514295348506,"quality":"inauspicious"},{"name":"Udveg","start":"00:23","end":"01:45","startHours":24.381514295348506,"endHours":25.7468121579118,"quality":"inauspicious"},{"name":"Chala","start":"01:45","end":"03:07","startHours":25.7468121579118,"endHours":27.112110020475097,"quality":"neutral"},{"name":"Labha","start":"03:07","end":"04:29","startHours":27.112110020475097,"endHours":28.47740788303839,"quality":"auspicious"},{"name":"Amṛta","start":"04:29","end":"05:51","startHours":28.47740788303839,"endHours":29.842705745601684,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:51","end":"06:51","startHours":5.842705745601686,"endHours":6.842705745601686,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:51","end":"07:51","startHours":6.842705745601686,"endHours":7.842705745601686,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:51","end":"08:51","startHours":7.842705745601686,"endHours":8.842705745601686,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:51","end":"09:51","startHours":8.842705745601686,"endHours":9.842705745601686,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:51","end":"10:51","startHours":9.842705745601686,"endHours":10.842705745601686,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:51","end":"11:51","startHours":10.842705745601686,"endHours":11.842705745601686,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:51","end":"12:51","startHours":11.842705745601686,"endHours":12.842705745601686,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:51","end":"13:51","startHours":12.842705745601686,"endHours":13.842705745601686,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:51","end":"14:51","startHours":13.842705745601686,"endHours":14.842705745601686,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:51","end":"15:51","startHours":14.842705745601686,"endHours":15.842705745601686,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:51","end":"16:51","startHours":15.842705745601686,"endHours":16.842705745601684,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:51","end":"17:51","startHours":16.842705745601684,"endHours":17.842705745601684,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:51","end":"18:51","startHours":17.842705745601684,"endHours":18.842705745601684,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:51","end":"19:51","startHours":18.842705745601684,"endHours":19.842705745601684,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:51","end":"20:51","startHours":19.842705745601684,"endHours":20.842705745601684,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:51","end":"21:51","startHours":20.842705745601684,"endHours":21.842705745601684,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:51","end":"22:51","startHours":21.842705745601684,"endHours":22.842705745601684,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:51","end":"23:51","startHours":22.842705745601684,"endHours":23.842705745601684,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:51","end":"00:51","startHours":23.842705745601684,"endHours":24.842705745601684,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:51","end":"01:51","startHours":24.842705745601684,"endHours":25.842705745601684,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:51","end":"02:51","startHours":25.842705745601684,"endHours":26.842705745601684,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:51","end":"03:51","startHours":26.842705745601684,"endHours":27.842705745601684,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:51","end":"04:51","startHours":27.842705745601684,"endHours":28.842705745601684,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:51","end":"05:51","startHours":28.842705745601684,"endHours":29.842705745601684,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"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":"South (Dakṣiṇa)","chandraVasa":"North-East","rahuVasa":"North-West","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":13.335381930790163,"eotMinutes":-3.5280577209103767,"ayanamsa":23.6243}},"calendars":{"vikram_samvat":2040,"vikram_samvatsara":"Dhātṛ","saka_samvat":1905,"saka_samvatsara":"Rudhirodgāri","bengali_samvat":1390,"malayalam_era":1159,"nanakshahi_year":514,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Daśamī · Vikram 2040 Dhātṛ · Śaka 1905 Rudhirodgāri"},"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":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"vrindavan"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga August 18, 1983 CE · Vṛndāvana · Vidhyamitra","description":"August 18, 1983 CE for Vṛndāvana: Śukla Daśamī, sūryodaya 05:51, sūryāsta 18:55.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/1983-08-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/1983-08-18","sa":"https://sa.vidhyamitra.com/city/vrindavan/1983-08-18","hi":"https://hi.vidhyamitra.com/city/vrindavan/1983-08-18","x-default":"https://vidhyamitra.com/city/vrindavan/1983-08-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-30T23:29:27.031Z","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":"2026-05-30T23:29:27.031Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-30T23:29:27.031Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}