{"id":"vidhyamitra:city-day:mathura:1983-07-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mathura/1983-07-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1983-07-13","date_display":"July 13, 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":7,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445528.770833,"kali_year":5085,"ahargana":1857063.2708,"sun":{"sidereal_longitude":86.1141,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":119.5179,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":33.4038,"elapsed_within_tithi_degrees":9.4038},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":119.5179,"elapsed_within_degrees":12.8512},"yoga":{"number":16,"name":"Siddhi","sum_longitude":205.6319},"karana":{"half_tithi_index":5,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":7,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2445528.770833,"ahargana":1857063.2708,"kali_year":5085,"ayanamsa_lahiri":23.6229,"grahas":{"sun":{"sidereal_longitude":86.48887500000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"moon":{"sidereal_longitude":122.321575,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false,"latitude":3.7148},"mars":{"sidereal_longitude":75.86847499999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":90.73447499999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":218.642475,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":128.459975,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":183.88827500000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":63.8511,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":243.8511,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":1983,"month":7,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445528.770833,"kali_year":5085,"ahargana":1857063.2708,"sun":{"sidereal_longitude":86.1141,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":119.5179,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":33.4038,"elapsed_within_tithi_degrees":9.4038},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":119.5179,"elapsed_within_degrees":12.8512},"yoga":{"number":16,"name":"Siddhi","sum_longitude":205.6319},"karana":{"half_tithi_index":5,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.715,"elongation":33.404},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.715,"opposition_distance":146.596}},"eclipse_window_40days":[{"offset_days":-18,"type":"lunar","occurs":true,"moon_latitude":-0.167,"opposition_distance":2.137}]},"city":{"slug":"mathura","name":"Mathurā","lat":27.4924,"lon":77.6737,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"mathura","name":"Mathurā","lat":27.4924,"lon":77.6737,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"05:32","sunsetLocal":"19:17","solarNoonLocal":"12:25","dayLengthHours":13.750868807764327,"dayLengthDisplay":"13 Hours 45 Mins 03 Secs","nightLengthDisplay":"10 Hours 14 Mins 57 Secs","moonriseLocal":"08:18","moonsetLocal":"21:18","rahuKala":{"name":"Rāhu Kāla","start":"12:25","end":"14:08","startHours":12.411110480769345,"endHours":14.129969081739887,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:15","end":"08:58","startHours":7.2545346778577215,"endHours":8.973393278828262,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:42","end":"12:25","startHours":10.692251879798803,"endHours":12.411110480769345,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:45","end":"09:12","startHours":8.74421213203219,"endHours":9.202574425624334,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:07","end":"06:29","startHours":6.108628943877361,"endHours":6.475318778751076,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:52","startHours":11.952748187177201,"endHours":12.869472774361489,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:42","end":"04:37","startHours":3.7022269025186034,"endHours":4.6189514897028925,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:23","end":"05:32","startHours":4.38977034290682,"endHours":5.535676076887181,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:42","end":"15:37","startHours":14.702921948730065,"endHours":15.619646535914354,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:05","end":"19:29","startHours":19.08654488465151,"endHours":19.486544884651508,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:17","end":"19:52","startHours":19.28654488465151,"endHours":19.85949775164169,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:02","end":"20:47","startHours":19.03654488465151,"endHours":20.78654488465151,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:52","startHours":23.9527481871772,"endHours":24.86947277436149,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:32","end":"07:15","startHours":5.535676076887181,"endHours":7.2545346778577215,"quality":"auspicious"},{"name":"Amṛta","start":"07:15","end":"08:58","startHours":7.2545346778577215,"endHours":8.973393278828262,"quality":"auspicious"},{"name":"Kāla","start":"08:58","end":"10:42","startHours":8.973393278828262,"endHours":10.692251879798803,"quality":"inauspicious"},{"name":"Śubha","start":"10:42","end":"12:25","startHours":10.692251879798803,"endHours":12.411110480769345,"quality":"auspicious"},{"name":"Roga","start":"12:25","end":"14:08","startHours":12.411110480769345,"endHours":14.129969081739887,"quality":"inauspicious"},{"name":"Udveg","start":"14:08","end":"15:51","startHours":14.129969081739887,"endHours":15.848827682710425,"quality":"inauspicious"},{"name":"Chala","start":"15:51","end":"17:34","startHours":15.848827682710425,"endHours":17.567686283680967,"quality":"neutral"},{"name":"Labha","start":"17:34","end":"19:17","startHours":17.567686283680967,"endHours":19.28654488465151,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"19:17","end":"20:34","startHours":19.28654488465151,"endHours":20.567686283680967,"quality":"inauspicious"},{"name":"Chala","start":"20:34","end":"21:51","startHours":20.567686283680967,"endHours":21.84882768271043,"quality":"neutral"},{"name":"Labha","start":"21:51","end":"23:08","startHours":21.84882768271043,"endHours":23.129969081739887,"quality":"auspicious"},{"name":"Amṛta","start":"23:08","end":"00:25","startHours":23.129969081739887,"endHours":24.411110480769345,"quality":"auspicious"},{"name":"Kāla","start":"00:25","end":"01:42","startHours":24.411110480769345,"endHours":25.692251879798803,"quality":"inauspicious"},{"name":"Śubha","start":"01:42","end":"02:58","startHours":25.692251879798803,"endHours":26.97339327882826,"quality":"auspicious"},{"name":"Roga","start":"02:58","end":"04:15","startHours":26.97339327882826,"endHours":28.254534677857723,"quality":"inauspicious"},{"name":"Udveg","start":"04:15","end":"05:32","startHours":28.254534677857723,"endHours":29.53567607688718,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:32","end":"06:32","startHours":5.535676076887181,"endHours":6.535676076887181,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:32","end":"07:32","startHours":6.535676076887181,"endHours":7.535676076887181,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:32","end":"08:32","startHours":7.535676076887181,"endHours":8.535676076887182,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:32","end":"09:32","startHours":8.535676076887182,"endHours":9.535676076887182,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:32","end":"10:32","startHours":9.535676076887182,"endHours":10.535676076887182,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:32","end":"11:32","startHours":10.535676076887182,"endHours":11.535676076887182,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:32","end":"12:32","startHours":11.535676076887182,"endHours":12.535676076887182,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:32","end":"13:32","startHours":12.535676076887182,"endHours":13.535676076887182,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:32","end":"14:32","startHours":13.535676076887182,"endHours":14.535676076887182,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:32","end":"15:32","startHours":14.535676076887182,"endHours":15.535676076887182,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:32","end":"16:32","startHours":15.535676076887182,"endHours":16.53567607688718,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:32","end":"17:32","startHours":16.53567607688718,"endHours":17.53567607688718,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:32","end":"18:32","startHours":17.53567607688718,"endHours":18.53567607688718,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:32","end":"19:32","startHours":18.53567607688718,"endHours":19.53567607688718,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:32","end":"20:32","startHours":19.53567607688718,"endHours":20.53567607688718,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:32","end":"21:32","startHours":20.53567607688718,"endHours":21.53567607688718,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:32","end":"22:32","startHours":21.53567607688718,"endHours":22.53567607688718,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:32","end":"23:32","startHours":22.53567607688718,"endHours":23.53567607688718,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:32","end":"00:32","startHours":23.53567607688718,"endHours":24.53567607688718,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:32","end":"01:32","startHours":24.53567607688718,"endHours":25.53567607688718,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:32","end":"02:32","startHours":25.53567607688718,"endHours":26.53567607688718,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:32","end":"03:32","startHours":26.53567607688718,"endHours":27.53567607688718,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:32","end":"04:32","startHours":27.53567607688718,"endHours":28.53567607688718,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:32","end":"05:32","startHours":28.53567607688718,"endHours":29.53567607688718,"planetary_lord":"Sun"}],"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":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"West","rahuVasa":"South-West","anandadiYoga":{"name":"Amṛta","quality":"Auspicious"},"drikRitu":"Grīṣma (Summer) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":21.930409164008076,"eotMinutes":-5.361428846160681,"ayanamsa":23.6229}},"calendars":{"vikram_samvat":2040,"vikram_samvatsara":"Dhātṛ","saka_samvat":1905,"saka_samvatsara":"Rudhirodgāri","bengali_samvat":1390,"malayalam_era":1159,"nanakshahi_year":514,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Tṛtīyā · Vikram 2040 Dhātṛ · Śaka 1905 Rudhirodgāri"},"festivals":[{"id":"mithuna-sankranti","name":"Mithuna Saṅkrānti","name_sanskrit":"मिथुन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Gemini.","vrata":false,"detection":{"sun_rashi":"Mithuna"},"precedence":5}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"mathura"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga July 13, 1983 CE · Mathurā · Vidhyamitra","description":"July 13, 1983 CE for Mathurā: Śukla Tṛtīyā, sūryodaya 05:32, sūryāsta 19:17.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mathura/1983-07-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mathura/1983-07-13","sa":"https://sa.vidhyamitra.com/city/mathura/1983-07-13","hi":"https://hi.vidhyamitra.com/city/mathura/1983-07-13","x-default":"https://vidhyamitra.com/city/mathura/1983-07-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T15:39:02.793Z","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":"2026-05-14T15:39:02.793Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T15:39:02.793Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}