{"id":"vidhyamitra:city-day:dwarka:1983-08-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/1983-08-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1983-08-13","date_display":"August 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":8,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445559.770833,"kali_year":5085,"ahargana":1857094.2708,"sun":{"sidereal_longitude":115.5657,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":171.8279,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":56.2622,"elapsed_within_tithi_degrees":8.2622},"nakshatra":{"number":13,"name":"Hasta","pada":4,"moon_longitude":171.8279,"elapsed_within_degrees":11.8279},"yoga":{"number":22,"name":"Sādhya","sum_longitude":287.3936},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2445559.770833,"ahargana":1857094.2708,"kali_year":5085,"ayanamsa_lahiri":23.6241,"grahas":{"sun":{"sidereal_longitude":116.12738999999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":174.98038999999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false,"latitude":4.2383},"mars":{"sidereal_longitude":96.21789000000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":142.87338999999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":218.60139000000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":134.40889000000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":true},"saturn":{"sidereal_longitude":185.20359000000008,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":62.2086,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":242.2086,"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":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445559.770833,"kali_year":5085,"ahargana":1857094.2708,"sun":{"sidereal_longitude":115.5657,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":171.8279,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":56.2622,"elapsed_within_tithi_degrees":8.2622},"nakshatra":{"number":13,"name":"Hasta","pada":4,"moon_longitude":171.8279,"elapsed_within_degrees":11.8279},"yoga":{"number":22,"name":"Sādhya","sum_longitude":287.3936},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.238,"elongation":56.262},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.238,"opposition_distance":123.738}},"eclipse_window_40days":[]},"city":{"slug":"dwarka","name":"Dvārakā","lat":22.2393,"lon":68.9686,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"dwarka","name":"Dvārakā","lat":22.2393,"lon":68.9686,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tirtha"},"sunriseLocal":"06:30","sunsetLocal":"19:27","solarNoonLocal":"12:59","dayLengthHours":12.95727587786989,"dayLengthDisplay":"12 Hours 57 Mins 26 Secs","nightLengthDisplay":"11 Hours 02 Mins 34 Secs","moonriseLocal":"11:04","moonsetLocal":"22:45","rahuKala":{"name":"Rāhu Kāla","start":"09:44","end":"11:22","startHours":9.738799709502786,"endHours":11.358459194236524,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:36","end":"16:13","startHours":14.597778163703996,"endHours":16.21743764843773,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:30","end":"08:07","startHours":6.499480740035314,"endHours":8.119140224769051,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:31","end":"09:57","startHours":9.522845111538288,"endHours":9.954754307467285,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:02","end":"07:23","startHours":7.0393672349465595,"endHours":7.384894591689757,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:33","end":"13:25","startHours":12.546209483041261,"endHours":13.410027874899255,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:46","end":"05:38","startHours":4.771843956319328,"endHours":5.635662348177322,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:25","end":"06:30","startHours":5.419707750212823,"endHours":6.499480740035314,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"15:08","end":"16:00","startHours":15.13766465861524,"endHours":16.001483050473233,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:15","end":"19:39","startHours":19.256756617905204,"endHours":19.656756617905202,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:27","end":"20:00","startHours":19.456756617905203,"endHours":19.99664311281645,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:12","end":"20:57","startHours":19.206756617905203,"endHours":20.956756617905203,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:33","end":"01:25","startHours":24.546209483041263,"endHours":25.410027874899253,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:30","end":"08:07","startHours":6.499480740035314,"endHours":8.119140224769051,"quality":"inauspicious"},{"name":"Śubha","start":"08:07","end":"09:44","startHours":8.119140224769051,"endHours":9.738799709502786,"quality":"auspicious"},{"name":"Roga","start":"09:44","end":"11:22","startHours":9.738799709502786,"endHours":11.358459194236524,"quality":"inauspicious"},{"name":"Udveg","start":"11:22","end":"12:59","startHours":11.358459194236524,"endHours":12.978118678970258,"quality":"inauspicious"},{"name":"Chala","start":"12:59","end":"14:36","startHours":12.978118678970258,"endHours":14.597778163703996,"quality":"neutral"},{"name":"Labha","start":"14:36","end":"16:13","startHours":14.597778163703996,"endHours":16.21743764843773,"quality":"auspicious"},{"name":"Amṛta","start":"16:13","end":"17:50","startHours":16.21743764843773,"endHours":17.83709713317147,"quality":"auspicious"},{"name":"Kāla","start":"17:50","end":"19:27","startHours":17.83709713317147,"endHours":19.456756617905203,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:27","end":"20:50","startHours":19.456756617905203,"endHours":20.83709713317147,"quality":"auspicious"},{"name":"Amṛta","start":"20:50","end":"22:13","startHours":20.83709713317147,"endHours":22.21743764843773,"quality":"auspicious"},{"name":"Kāla","start":"22:13","end":"23:36","startHours":22.21743764843773,"endHours":23.597778163703993,"quality":"inauspicious"},{"name":"Śubha","start":"23:36","end":"00:59","startHours":23.597778163703993,"endHours":24.978118678970258,"quality":"auspicious"},{"name":"Roga","start":"00:59","end":"02:22","startHours":24.978118678970258,"endHours":26.358459194236524,"quality":"inauspicious"},{"name":"Udveg","start":"02:22","end":"03:44","startHours":26.358459194236524,"endHours":27.738799709502786,"quality":"inauspicious"},{"name":"Chala","start":"03:44","end":"05:07","startHours":27.738799709502786,"endHours":29.119140224769048,"quality":"neutral"},{"name":"Labha","start":"05:07","end":"06:30","startHours":29.119140224769048,"endHours":30.499480740035313,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:30","end":"07:30","startHours":6.499480740035314,"endHours":7.499480740035314,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:30","end":"08:30","startHours":7.499480740035314,"endHours":8.499480740035313,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:30","end":"09:30","startHours":8.499480740035313,"endHours":9.499480740035313,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:30","end":"10:30","startHours":9.499480740035313,"endHours":10.499480740035313,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:30","end":"11:30","startHours":10.499480740035313,"endHours":11.499480740035313,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:30","end":"12:30","startHours":11.499480740035313,"endHours":12.499480740035313,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:30","end":"13:30","startHours":12.499480740035313,"endHours":13.499480740035313,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:30","end":"14:30","startHours":13.499480740035313,"endHours":14.499480740035313,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:30","end":"15:30","startHours":14.499480740035313,"endHours":15.499480740035313,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:30","end":"16:30","startHours":15.499480740035313,"endHours":16.499480740035313,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:30","end":"17:30","startHours":16.499480740035313,"endHours":17.499480740035313,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:30","end":"18:30","startHours":17.499480740035313,"endHours":18.499480740035313,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:30","end":"19:30","startHours":18.499480740035313,"endHours":19.499480740035313,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:30","end":"20:30","startHours":19.499480740035313,"endHours":20.499480740035313,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:30","end":"21:30","startHours":20.499480740035313,"endHours":21.499480740035313,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:30","end":"22:30","startHours":21.499480740035313,"endHours":22.499480740035313,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:30","end":"23:30","startHours":22.499480740035313,"endHours":23.499480740035313,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:30","end":"00:30","startHours":23.499480740035313,"endHours":24.499480740035313,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:30","end":"01:30","startHours":24.499480740035313,"endHours":25.499480740035313,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:30","end":"02:30","startHours":25.499480740035313,"endHours":26.499480740035313,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:30","end":"03:30","startHours":26.499480740035313,"endHours":27.499480740035313,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:30","end":"04:30","startHours":27.499480740035313,"endHours":28.499480740035313,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:30","end":"05:30","startHours":28.499480740035313,"endHours":29.499480740035313,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:30","end":"06:30","startHours":29.499480740035313,"endHours":30.499480740035313,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"East","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":14.890738800724556,"eotMinutes":-4.561520738215509,"ayanamsa":23.6241}},"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":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Pañcamī · Vikram 2040 Dhātṛ · Śaka 1905 Rudhirodgāri"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"dwarka"},"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, 1983 CE · Dvārakā · Vidhyamitra","description":"August 13, 1983 CE for Dvārakā: Śukla Pañcamī, sūryodaya 06:30, sūryāsta 19:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/1983-08-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/1983-08-13","sa":"https://sa.vidhyamitra.com/city/dwarka/1983-08-13","hi":"https://hi.vidhyamitra.com/city/dwarka/1983-08-13","x-default":"https://vidhyamitra.com/city/dwarka/1983-08-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T02:45:59.538Z","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":"2026-05-31T02:45:59.538Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T02:45:59.538Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}