{"id":"vidhyamitra:city-day:dwarka:1807-10-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/1807-10-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1807-10-13","date_display":"October 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":10,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2381337.770833,"kali_year":4909,"ahargana":1792872.2708,"sun":{"sidereal_longitude":177.3379,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":316.8298,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":139.4919,"elapsed_within_tithi_degrees":7.4919},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4,"moon_longitude":316.8298,"elapsed_within_degrees":10.1632},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":134.1678},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":10,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2381337.770833,"ahargana":1792872.2708,"kali_year":4909,"ayanamsa_lahiri":21.1678,"grahas":{"sun":{"sidereal_longitude":177.608743,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":318.97274300000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false,"latitude":4.4977},"mars":{"sidereal_longitude":225.119143,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":189.43464300000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":284.471143,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"venus":{"sidereal_longitude":184.81134300000008,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":true},"saturn":{"sidereal_longitude":200.915843,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":224.9992,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":44.9992,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":1807,"month":10,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2381337.770833,"kali_year":4909,"ahargana":1792872.2708,"sun":{"sidereal_longitude":177.3379,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":316.8298,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":139.4919,"elapsed_within_tithi_degrees":7.4919},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4,"moon_longitude":316.8298,"elapsed_within_degrees":10.1632},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":134.1678},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.498,"elongation":139.492},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.498,"opposition_distance":40.508}},"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":"06:48","sunsetLocal":"18:31","solarNoonLocal":"12:40","dayLengthHours":11.717700148137451,"dayLengthDisplay":"11 Hours 43 Mins 04 Secs","nightLengthDisplay":"12 Hours 16 Mins 56 Secs","moonriseLocal":"16:15","moonsetLocal":"03:55","rahuKala":{"name":"Rāhu Kāla","start":"15:35","end":"17:03","startHours":15.590811216899773,"endHours":17.055523735416955,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:44","end":"11:12","startHours":9.731961142831048,"endHours":11.196673661348228,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:40","end":"14:08","startHours":12.66138617986541,"endHours":14.126098698382592,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:32","end":"09:56","startHours":9.53666614036209,"endHours":9.927256145300007,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:17","end":"07:36","startHours":7.290773611969079,"endHours":7.603245615919411,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:16","end":"13:03","startHours":12.270796174927495,"endHours":13.051976184803324,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:14","end":"06:01","startHours":5.240176086045025,"endHours":6.021356095920855,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:50","end":"06:48","startHours":5.826061093451898,"endHours":6.802536105796685,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:37","end":"15:24","startHours":14.614336204554986,"endHours":15.395516214430817,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:19","end":"18:43","startHours":18.320236253934137,"endHours":18.720236253934136,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:31","end":"19:01","startHours":18.520236253934137,"endHours":19.00847376010653,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:16","end":"20:01","startHours":18.270236253934137,"endHours":20.020236253934137,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:16","end":"01:03","startHours":24.270796174927494,"endHours":25.051976184803326,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:48","end":"08:16","startHours":6.802536105796685,"endHours":8.267248624313867,"quality":"inauspicious"},{"name":"Udveg","start":"08:16","end":"09:44","startHours":8.267248624313867,"endHours":9.731961142831048,"quality":"inauspicious"},{"name":"Chala","start":"09:44","end":"11:12","startHours":9.731961142831048,"endHours":11.196673661348228,"quality":"neutral"},{"name":"Labha","start":"11:12","end":"12:40","startHours":11.196673661348228,"endHours":12.66138617986541,"quality":"auspicious"},{"name":"Amṛta","start":"12:40","end":"14:08","startHours":12.66138617986541,"endHours":14.126098698382592,"quality":"auspicious"},{"name":"Kāla","start":"14:08","end":"15:35","startHours":14.126098698382592,"endHours":15.590811216899773,"quality":"inauspicious"},{"name":"Śubha","start":"15:35","end":"17:03","startHours":15.590811216899773,"endHours":17.055523735416955,"quality":"auspicious"},{"name":"Roga","start":"17:03","end":"18:31","startHours":17.055523735416955,"endHours":18.520236253934137,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:31","end":"20:03","startHours":18.520236253934137,"endHours":20.055523735416955,"quality":"inauspicious"},{"name":"Śubha","start":"20:03","end":"21:35","startHours":20.055523735416955,"endHours":21.590811216899773,"quality":"auspicious"},{"name":"Roga","start":"21:35","end":"23:08","startHours":21.590811216899773,"endHours":23.12609869838259,"quality":"inauspicious"},{"name":"Udveg","start":"23:08","end":"00:40","startHours":23.12609869838259,"endHours":24.66138617986541,"quality":"inauspicious"},{"name":"Chala","start":"00:40","end":"02:12","startHours":24.66138617986541,"endHours":26.19667366134823,"quality":"neutral"},{"name":"Labha","start":"02:12","end":"03:44","startHours":26.19667366134823,"endHours":27.731961142831047,"quality":"auspicious"},{"name":"Amṛta","start":"03:44","end":"05:16","startHours":27.731961142831047,"endHours":29.267248624313865,"quality":"auspicious"},{"name":"Kāla","start":"05:16","end":"06:48","startHours":29.267248624313865,"endHours":30.802536105796683,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:48","end":"07:48","startHours":6.802536105796685,"endHours":7.802536105796685,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:48","end":"08:48","startHours":7.802536105796685,"endHours":8.802536105796685,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:48","end":"09:48","startHours":8.802536105796685,"endHours":9.802536105796685,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:48","end":"10:48","startHours":9.802536105796685,"endHours":10.802536105796685,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:48","end":"11:48","startHours":10.802536105796685,"endHours":11.802536105796685,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:48","end":"12:48","startHours":11.802536105796685,"endHours":12.802536105796685,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:48","end":"13:48","startHours":12.802536105796685,"endHours":13.802536105796685,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:48","end":"14:48","startHours":13.802536105796685,"endHours":14.802536105796685,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:48","end":"15:48","startHours":14.802536105796685,"endHours":15.802536105796685,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:48","end":"16:48","startHours":15.802536105796685,"endHours":16.802536105796683,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:48","end":"17:48","startHours":16.802536105796683,"endHours":17.802536105796683,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:48","end":"18:48","startHours":17.802536105796683,"endHours":18.802536105796683,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:48","end":"19:48","startHours":18.802536105796683,"endHours":19.802536105796683,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:48","end":"20:48","startHours":19.802536105796683,"endHours":20.802536105796683,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:48","end":"21:48","startHours":20.802536105796683,"endHours":21.802536105796683,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:48","end":"22:48","startHours":21.802536105796683,"endHours":22.802536105796683,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:48","end":"23:48","startHours":22.802536105796683,"endHours":23.802536105796683,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:48","end":"00:48","startHours":23.802536105796683,"endHours":24.802536105796683,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:48","end":"01:48","startHours":24.802536105796683,"endHours":25.802536105796683,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:48","end":"02:48","startHours":25.802536105796683,"endHours":26.802536105796683,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:48","end":"03:48","startHours":26.802536105796683,"endHours":27.802536105796683,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:48","end":"04:48","startHours":27.802536105796683,"endHours":28.802536105796683,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:48","end":"05:48","startHours":28.802536105796683,"endHours":29.802536105796683,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:48","end":"06:48","startHours":29.802536105796683,"endHours":30.802536105796683,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"North","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-7.355269904647506,"eotMinutes":14.442429208075392,"ayanamsa":21.1678}},"calendars":{"vikram_samvat":1864,"vikram_samvatsara":"Vikrama","saka_samvat":1729,"saka_samvatsara":"Prabhava","bengali_samvat":1214,"malayalam_era":983,"nanakshahi_year":338,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Dvādaśī · Vikram 1864 Vikrama · Śaka 1729 Prabhava"},"festivals":[],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 October 13, 1807 CE · Dvārakā · Vidhyamitra","description":"October 13, 1807 CE for Dvārakā: Śukla Dvādaśī, sūryodaya 06:48, sūryāsta 18:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/1807-10-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/1807-10-13","sa":"https://sa.vidhyamitra.com/city/dwarka/1807-10-13","hi":"https://hi.vidhyamitra.com/city/dwarka/1807-10-13","x-default":"https://vidhyamitra.com/city/dwarka/1807-10-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T21:39:53.252Z","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":"2026-06-01T21:39:53.252Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T21:39:53.252Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}