{"id":"vidhyamitra:city-day:dwarka:1807-08-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/1807-08-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1807-08-13","date_display":"August 13, 1807 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":1807,"month":8,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2381276.770833,"kali_year":4909,"ahargana":1792811.2708,"sun":{"sidereal_longitude":117.9931,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":236.5977,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":118.6046,"elapsed_within_tithi_degrees":10.6046},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3,"moon_longitude":236.5977,"elapsed_within_degrees":9.931},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":354.5907},"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":1807,"month":8,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2381276.770833,"ahargana":1792811.2708,"kali_year":4909,"ayanamsa_lahiri":21.1655,"grahas":{"sun":{"sidereal_longitude":118.14217300000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":238.49947299999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false,"latitude":0.6541},"mars":{"sidereal_longitude":184.00627299999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":129.598773,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":287.454473,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":true},"venus":{"sidereal_longitude":166.49367299999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":195.47117300000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":228.2313,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":48.2313,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"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":1807,"month":8,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2381276.770833,"kali_year":4909,"ahargana":1792811.2708,"sun":{"sidereal_longitude":117.9931,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":236.5977,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":118.6046,"elapsed_within_tithi_degrees":10.6046},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3,"moon_longitude":236.5977,"elapsed_within_degrees":9.931},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":354.5907},"karana":{"half_tithi_index":19,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.654,"elongation":118.605},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.654,"opposition_distance":61.395}},"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":"19:28","solarNoonLocal":"12:59","dayLengthHours":12.965540816741845,"dayLengthDisplay":"12 Hours 57 Mins 56 Secs","nightLengthDisplay":"11 Hours 02 Mins 04 Secs","moonriseLocal":"15:37","moonsetLocal":"02:23","rahuKala":{"name":"Rāhu Kāla","start":"14:36","end":"16:13","startHours":14.598811281062988,"endHours":16.219503883155717,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:30","end":"08:07","startHours":6.495348270599335,"endHours":8.116040872692066,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:44","end":"11:21","startHours":9.736733474784796,"endHours":11.357426076877527,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:31","end":"09:57","startHours":9.520641127839099,"endHours":9.952825821730492,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:02","end":"07:23","startHours":7.035579137963579,"endHours":7.381326893076695,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:33","end":"13:25","startHours":12.545933985078863,"endHours":13.410303372861653,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:46","end":"05:38","startHours":4.766609495033755,"endHours":5.630978882816545,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:25","end":"06:30","startHours":5.414886535870847,"endHours":6.495348270599335,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"15:08","end":"16:00","startHours":15.139042148427231,"endHours":16.00341153621002,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:16","end":"19:40","startHours":19.26088908734118,"endHours":19.66088908734118,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:28","end":"20:00","startHours":19.46088908734118,"endHours":20.001119954705423,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:13","end":"20:58","startHours":19.21088908734118,"endHours":20.96088908734118,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:33","end":"01:25","startHours":24.545933985078864,"endHours":25.41030337286165,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:30","end":"08:07","startHours":6.495348270599335,"endHours":8.116040872692066,"quality":"auspicious"},{"name":"Roga","start":"08:07","end":"09:44","startHours":8.116040872692066,"endHours":9.736733474784796,"quality":"inauspicious"},{"name":"Udveg","start":"09:44","end":"11:21","startHours":9.736733474784796,"endHours":11.357426076877527,"quality":"inauspicious"},{"name":"Chala","start":"11:21","end":"12:59","startHours":11.357426076877527,"endHours":12.978118678970258,"quality":"neutral"},{"name":"Labha","start":"12:59","end":"14:36","startHours":12.978118678970258,"endHours":14.598811281062988,"quality":"auspicious"},{"name":"Amṛta","start":"14:36","end":"16:13","startHours":14.598811281062988,"endHours":16.219503883155717,"quality":"auspicious"},{"name":"Kāla","start":"16:13","end":"17:50","startHours":16.219503883155717,"endHours":17.84019648524845,"quality":"inauspicious"},{"name":"Śubha","start":"17:50","end":"19:28","startHours":17.84019648524845,"endHours":19.46088908734118,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:28","end":"20:50","startHours":19.46088908734118,"endHours":20.84019648524845,"quality":"auspicious"},{"name":"Kāla","start":"20:50","end":"22:13","startHours":20.84019648524845,"endHours":22.219503883155717,"quality":"inauspicious"},{"name":"Śubha","start":"22:13","end":"23:36","startHours":22.219503883155717,"endHours":23.598811281062986,"quality":"auspicious"},{"name":"Roga","start":"23:36","end":"00:59","startHours":23.598811281062986,"endHours":24.978118678970258,"quality":"inauspicious"},{"name":"Udveg","start":"00:59","end":"02:21","startHours":24.978118678970258,"endHours":26.357426076877527,"quality":"inauspicious"},{"name":"Chala","start":"02:21","end":"03:44","startHours":26.357426076877527,"endHours":27.736733474784796,"quality":"neutral"},{"name":"Labha","start":"03:44","end":"05:07","startHours":27.736733474784796,"endHours":29.116040872692068,"quality":"auspicious"},{"name":"Amṛta","start":"05:07","end":"06:30","startHours":29.116040872692068,"endHours":30.495348270599337,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:30","end":"07:30","startHours":6.495348270599335,"endHours":7.495348270599335,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:30","end":"08:30","startHours":7.495348270599335,"endHours":8.495348270599335,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:30","end":"09:30","startHours":8.495348270599335,"endHours":9.495348270599335,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:30","end":"10:30","startHours":9.495348270599335,"endHours":10.495348270599335,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:30","end":"11:30","startHours":10.495348270599335,"endHours":11.495348270599335,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:30","end":"12:30","startHours":11.495348270599335,"endHours":12.495348270599335,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:30","end":"13:30","startHours":12.495348270599335,"endHours":13.495348270599335,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:30","end":"14:30","startHours":13.495348270599335,"endHours":14.495348270599335,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:30","end":"15:30","startHours":14.495348270599335,"endHours":15.495348270599335,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:30","end":"16:30","startHours":15.495348270599335,"endHours":16.495348270599337,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:30","end":"17:30","startHours":16.495348270599337,"endHours":17.495348270599337,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:30","end":"18:30","startHours":17.495348270599337,"endHours":18.495348270599337,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:30","end":"19:30","startHours":18.495348270599337,"endHours":19.495348270599337,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:30","end":"20:30","startHours":19.495348270599337,"endHours":20.495348270599337,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:30","end":"21:30","startHours":20.495348270599337,"endHours":21.495348270599337,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:30","end":"22:30","startHours":21.495348270599337,"endHours":22.495348270599337,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:30","end":"23:30","startHours":22.495348270599337,"endHours":23.495348270599337,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:30","end":"00:30","startHours":23.495348270599337,"endHours":24.495348270599337,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:30","end":"01:30","startHours":24.495348270599337,"endHours":25.495348270599337,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:30","end":"02:30","startHours":25.495348270599337,"endHours":26.495348270599337,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:30","end":"03:30","startHours":26.495348270599337,"endHours":27.495348270599337,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:30","end":"04:30","startHours":27.495348270599337,"endHours":28.495348270599337,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:30","end":"05:30","startHours":28.495348270599337,"endHours":29.495348270599337,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:30","end":"06:30","startHours":29.495348270599337,"endHours":30.495348270599337,"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) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":15.029736140304257,"eotMinutes":-4.561520738215509,"ayanamsa":21.1655}},"calendars":{"vikram_samvat":1864,"vikram_samvatsara":"Vikrama","saka_samvat":1729,"saka_samvatsara":"Prabhava","bengali_samvat":1214,"malayalam_era":983,"nanakshahi_year":338,"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 Daśamī · Vikram 1864 Vikrama · Śaka 1729 Prabhava"},"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":"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, 1807 CE · Dvārakā · Vidhyamitra","description":"August 13, 1807 CE for Dvārakā: Śukla Daśamī, sūryodaya 06:30, sūryāsta 19:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/1807-08-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/1807-08-13","sa":"https://sa.vidhyamitra.com/city/dwarka/1807-08-13","hi":"https://hi.vidhyamitra.com/city/dwarka/1807-08-13","x-default":"https://vidhyamitra.com/city/dwarka/1807-08-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T18:42:51.216Z","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":"2026-05-31T18:42:51.216Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T18:42:51.216Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}