{"id":"vidhyamitra:city-day:dwarka:2031-08-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/2031-08-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2031-08-15","date_display":"August 15, 2031 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":2031,"month":8,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2463093.770833,"kali_year":5133,"ahargana":1874628.2708,"sun":{"sidereal_longitude":117.0743,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":81.1283,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":324.054,"elapsed_within_tithi_degrees":0.054},"nakshatra":{"number":7,"name":"Punarvasu","pada":1,"moon_longitude":81.1283,"elapsed_within_degrees":1.1283},"yoga":{"number":15,"name":"Vajra","sum_longitude":198.2027},"karana":{"half_tithi_index":54,"name":"Gara"},"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":2031,"month":8,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2463093.770833,"ahargana":1874628.2708,"kali_year":5133,"ayanamsa_lahiri":24.2947,"grahas":{"sun":{"sidereal_longitude":117.76016200000004,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":83.05916200000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false,"latitude":-3.3403},"mars":{"sidereal_longitude":209.517962,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":112.36306200000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":234.824162,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":111.029562,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":true},"saturn":{"sidereal_longitude":56.29186199999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":213.1729,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":33.1729,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","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":2031,"month":8,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2463093.770833,"kali_year":5133,"ahargana":1874628.2708,"sun":{"sidereal_longitude":117.0743,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":81.1283,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":324.054,"elapsed_within_tithi_degrees":0.054},"nakshatra":{"number":7,"name":"Punarvasu","pada":1,"moon_longitude":81.1283,"elapsed_within_degrees":1.1283},"yoga":{"number":15,"name":"Vajra","sum_longitude":198.2027},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.34,"elongation":35.946},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.34,"opposition_distance":144.054}},"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":"06:31","sunsetLocal":"19:26","solarNoonLocal":"12:58","dayLengthHours":12.913811436746087,"dayLengthDisplay":"12 Hours 54 Mins 50 Secs","nightLengthDisplay":"11 Hours 05 Mins 10 Secs","moonriseLocal":"03:58","moonsetLocal":"17:21","rahuKala":{"name":"Rāhu Kāla","start":"11:21","end":"12:58","startHours":11.35747869918388,"endHours":12.971705128777142,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"16:12","end":"17:49","startHours":16.200157987963664,"endHours":17.814384417556923,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:08","end":"09:45","startHours":8.129025839997357,"endHours":9.74325226959062,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:32","end":"09:58","startHours":9.528022078978184,"endHours":9.958482460203054,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:03","end":"07:24","startHours":7.052874886935184,"endHours":7.39724319191508,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:32","end":"13:24","startHours":12.541244747552271,"endHours":13.402165510002012,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:48","end":"05:39","startHours":4.792957885504619,"endHours":5.653878647954358,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:26","end":"06:31","startHours":5.438648457341923,"endHours":6.514799410404097,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"15:07","end":"15:59","startHours":15.124007034901489,"endHours":15.984927797351228,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:14","end":"19:38","startHours":19.228610847150186,"endHours":19.628610847150185,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:26","end":"19:58","startHours":19.428610847150185,"endHours":19.966686323681273,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:11","end":"20:56","startHours":19.178610847150185,"endHours":20.928610847150185,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:32","end":"01:24","startHours":24.541244747552273,"endHours":25.40216551000201,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:31","end":"08:08","startHours":6.514799410404097,"endHours":8.129025839997357,"quality":"neutral"},{"name":"Labha","start":"08:08","end":"09:45","startHours":8.129025839997357,"endHours":9.74325226959062,"quality":"auspicious"},{"name":"Amṛta","start":"09:45","end":"11:21","startHours":9.74325226959062,"endHours":11.35747869918388,"quality":"auspicious"},{"name":"Kāla","start":"11:21","end":"12:58","startHours":11.35747869918388,"endHours":12.971705128777142,"quality":"inauspicious"},{"name":"Śubha","start":"12:58","end":"14:35","startHours":12.971705128777142,"endHours":14.585931558370401,"quality":"auspicious"},{"name":"Roga","start":"14:35","end":"16:12","startHours":14.585931558370401,"endHours":16.200157987963664,"quality":"inauspicious"},{"name":"Udveg","start":"16:12","end":"17:49","startHours":16.200157987963664,"endHours":17.814384417556923,"quality":"inauspicious"},{"name":"Chala","start":"17:49","end":"19:26","startHours":17.814384417556923,"endHours":19.428610847150185,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:26","end":"20:49","startHours":19.428610847150185,"endHours":20.814384417556923,"quality":"inauspicious"},{"name":"Udveg","start":"20:49","end":"22:12","startHours":20.814384417556923,"endHours":22.200157987963664,"quality":"inauspicious"},{"name":"Chala","start":"22:12","end":"23:35","startHours":22.200157987963664,"endHours":23.585931558370405,"quality":"neutral"},{"name":"Labha","start":"23:35","end":"00:58","startHours":23.585931558370405,"endHours":24.971705128777142,"quality":"auspicious"},{"name":"Amṛta","start":"00:58","end":"02:21","startHours":24.971705128777142,"endHours":26.35747869918388,"quality":"auspicious"},{"name":"Kāla","start":"02:21","end":"03:45","startHours":26.35747869918388,"endHours":27.74325226959062,"quality":"inauspicious"},{"name":"Śubha","start":"03:45","end":"05:08","startHours":27.74325226959062,"endHours":29.12902583999736,"quality":"auspicious"},{"name":"Roga","start":"05:08","end":"06:31","startHours":29.12902583999736,"endHours":30.5147994104041,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:31","end":"07:31","startHours":6.514799410404097,"endHours":7.514799410404097,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:31","end":"08:31","startHours":7.514799410404097,"endHours":8.514799410404098,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:31","end":"09:31","startHours":8.514799410404098,"endHours":9.514799410404098,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:31","end":"10:31","startHours":9.514799410404098,"endHours":10.514799410404098,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:31","end":"11:31","startHours":10.514799410404098,"endHours":11.514799410404098,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:31","end":"12:31","startHours":11.514799410404098,"endHours":12.514799410404098,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:31","end":"13:31","startHours":12.514799410404098,"endHours":13.514799410404098,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:31","end":"14:31","startHours":13.514799410404098,"endHours":14.514799410404098,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:31","end":"15:31","startHours":14.514799410404098,"endHours":15.514799410404098,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:31","end":"16:31","startHours":15.514799410404098,"endHours":16.5147994104041,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:31","end":"17:31","startHours":16.5147994104041,"endHours":17.5147994104041,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:31","end":"18:31","startHours":17.5147994104041,"endHours":18.5147994104041,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:31","end":"19:31","startHours":18.5147994104041,"endHours":19.5147994104041,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:31","end":"20:31","startHours":19.5147994104041,"endHours":20.5147994104041,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:31","end":"21:31","startHours":20.5147994104041,"endHours":21.5147994104041,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:31","end":"22:31","startHours":21.5147994104041,"endHours":22.5147994104041,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:31","end":"23:31","startHours":22.5147994104041,"endHours":23.5147994104041,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:31","end":"00:31","startHours":23.5147994104041,"endHours":24.5147994104041,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:31","end":"01:31","startHours":24.5147994104041,"endHours":25.5147994104041,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:31","end":"02:31","startHours":25.5147994104041,"endHours":26.5147994104041,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:31","end":"03:31","startHours":26.5147994104041,"endHours":27.5147994104041,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:31","end":"04:31","startHours":27.5147994104041,"endHours":28.5147994104041,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:31","end":"05:31","startHours":28.5147994104041,"endHours":29.5147994104041,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:31","end":"06:31","startHours":29.5147994104041,"endHours":30.5147994104041,"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","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"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":14.156325250547095,"eotMinutes":-4.176707726628523,"ayanamsa":24.2947}},"calendars":{"vikram_samvat":2088,"vikram_samvatsara":"Raktākṣī","saka_samvat":1953,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1438,"malayalam_era":1207,"nanakshahi_year":562,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Trayodaśī · Vikram 2088 Raktākṣī · Śaka 1953 Virodhakṛt"},"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},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","relevance":0.5}]},"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 15, 2031 CE · Dvārakā · Vidhyamitra","description":"August 15, 2031 CE for Dvārakā: Kṛṣṇa Trayodaśī, sūryodaya 06:31, sūryāsta 19:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/2031-08-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/2031-08-15","sa":"https://sa.vidhyamitra.com/city/dwarka/2031-08-15","hi":"https://hi.vidhyamitra.com/city/dwarka/2031-08-15","x-default":"https://vidhyamitra.com/city/dwarka/2031-08-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T03:39:05.212Z","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":"2026-05-15T03:39:05.212Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T03:39:05.212Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}