{"id":"vidhyamitra:city-day:dwarka:1850-09-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/1850-09-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1850-09-13","date_display":"September 13, 1850 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":1850,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2397013.770833,"kali_year":4952,"ahargana":1808548.2708,"sun":{"sidereal_longitude":147.7393,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":232.5903,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":84.851,"elapsed_within_tithi_degrees":0.851},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2,"moon_longitude":232.5903,"elapsed_within_degrees":5.9237},"yoga":{"number":2,"name":"Prīti","sum_longitude":20.3297},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"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":1850,"month":9,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2397013.770833,"ahargana":1808548.2708,"kali_year":4952,"ayanamsa_lahiri":21.7674,"grahas":{"sun":{"sidereal_longitude":148.105004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":234.662504,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false,"latitude":3.9657},"mars":{"sidereal_longitude":173.71660399999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":176.86670400000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":160.69040399999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"venus":{"sidereal_longitude":195.370404,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":359.653804,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":114.4093,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":294.4093,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":1850,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2397013.770833,"kali_year":4952,"ahargana":1808548.2708,"sun":{"sidereal_longitude":147.7393,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":232.5903,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":84.851,"elapsed_within_tithi_degrees":0.851},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2,"moon_longitude":232.5903,"elapsed_within_degrees":5.9237},"yoga":{"number":2,"name":"Prīti","sum_longitude":20.3297},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.966,"elongation":84.851},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.966,"opposition_distance":95.149}},"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":"06:39","sunsetLocal":"19:00","solarNoonLocal":"12:49","dayLengthHours":12.339395911218684,"dayLengthDisplay":"12 Hours 20 Mins 22 Secs","nightLengthDisplay":"11 Hours 39 Mins 38 Secs","moonriseLocal":"13:12","moonsetLocal":"23:59","rahuKala":{"name":"Rāhu Kāla","start":"11:17","end":"12:49","startHours":11.280437662266564,"endHours":12.822862151168898,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:54","end":"17:27","startHours":15.90771112897357,"endHours":17.450135617875905,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:12","end":"09:44","startHours":8.195588684461892,"endHours":9.738013173364228,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:32","end":"09:57","startHours":9.532356574843917,"endHours":9.94366977188454,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:10","end":"07:30","startHours":7.167305691860336,"endHours":7.496356249492834,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:25","end":"13:14","startHours":12.411548954128277,"endHours":13.234175348209524,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:00","end":"05:50","startHours":5.007911407397066,"endHours":5.830537801478312,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:37","end":"06:39","startHours":5.624881202958,"endHours":6.653164195559557,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:53","end":"15:42","startHours":14.879428136372013,"endHours":15.702054530453259,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:48","end":"19:12","startHours":18.792560106778243,"endHours":19.19256010677824,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:00","end":"19:30","startHours":18.992560106778242,"endHours":19.50670160307902,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:45","end":"20:30","startHours":18.742560106778242,"endHours":20.492560106778242,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:25","end":"01:14","startHours":24.411548954128275,"endHours":25.234175348209522,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:39","end":"08:12","startHours":6.653164195559557,"endHours":8.195588684461892,"quality":"neutral"},{"name":"Labha","start":"08:12","end":"09:44","startHours":8.195588684461892,"endHours":9.738013173364228,"quality":"auspicious"},{"name":"Amṛta","start":"09:44","end":"11:17","startHours":9.738013173364228,"endHours":11.280437662266564,"quality":"auspicious"},{"name":"Kāla","start":"11:17","end":"12:49","startHours":11.280437662266564,"endHours":12.822862151168898,"quality":"inauspicious"},{"name":"Śubha","start":"12:49","end":"14:22","startHours":12.822862151168898,"endHours":14.365286640071236,"quality":"auspicious"},{"name":"Roga","start":"14:22","end":"15:54","startHours":14.365286640071236,"endHours":15.90771112897357,"quality":"inauspicious"},{"name":"Udveg","start":"15:54","end":"17:27","startHours":15.90771112897357,"endHours":17.450135617875905,"quality":"inauspicious"},{"name":"Chala","start":"17:27","end":"19:00","startHours":17.450135617875905,"endHours":18.992560106778242,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:00","end":"20:27","startHours":18.992560106778242,"endHours":20.450135617875908,"quality":"inauspicious"},{"name":"Udveg","start":"20:27","end":"21:54","startHours":20.450135617875908,"endHours":21.90771112897357,"quality":"inauspicious"},{"name":"Chala","start":"21:54","end":"23:22","startHours":21.90771112897357,"endHours":23.365286640071236,"quality":"neutral"},{"name":"Labha","start":"23:22","end":"00:49","startHours":23.365286640071236,"endHours":24.8228621511689,"quality":"auspicious"},{"name":"Amṛta","start":"00:49","end":"02:17","startHours":24.8228621511689,"endHours":26.280437662266564,"quality":"auspicious"},{"name":"Kāla","start":"02:17","end":"03:44","startHours":26.280437662266564,"endHours":27.73801317336423,"quality":"inauspicious"},{"name":"Śubha","start":"03:44","end":"05:12","startHours":27.73801317336423,"endHours":29.195588684461896,"quality":"auspicious"},{"name":"Roga","start":"05:12","end":"06:39","startHours":29.195588684461896,"endHours":30.653164195559558,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:39","end":"07:39","startHours":6.653164195559557,"endHours":7.653164195559557,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:39","end":"08:39","startHours":7.653164195559557,"endHours":8.653164195559558,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:39","end":"09:39","startHours":8.653164195559558,"endHours":9.653164195559558,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:39","end":"10:39","startHours":9.653164195559558,"endHours":10.653164195559558,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:39","end":"11:39","startHours":10.653164195559558,"endHours":11.653164195559558,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:39","end":"12:39","startHours":11.653164195559558,"endHours":12.653164195559558,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:39","end":"13:39","startHours":12.653164195559558,"endHours":13.653164195559558,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:39","end":"14:39","startHours":13.653164195559558,"endHours":14.653164195559558,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:39","end":"15:39","startHours":14.653164195559558,"endHours":15.653164195559558,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:39","end":"16:39","startHours":15.653164195559558,"endHours":16.653164195559558,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:39","end":"17:39","startHours":16.653164195559558,"endHours":17.653164195559558,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:39","end":"18:39","startHours":17.653164195559558,"endHours":18.653164195559558,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:39","end":"19:39","startHours":18.653164195559558,"endHours":19.653164195559558,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:39","end":"20:39","startHours":19.653164195559558,"endHours":20.653164195559558,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:39","end":"21:39","startHours":20.653164195559558,"endHours":21.653164195559558,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:39","end":"22:39","startHours":21.653164195559558,"endHours":22.653164195559558,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:39","end":"23:39","startHours":22.653164195559558,"endHours":23.653164195559558,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:39","end":"00:39","startHours":23.653164195559558,"endHours":24.653164195559558,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:39","end":"01:39","startHours":24.653164195559558,"endHours":25.653164195559558,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:39","end":"02:39","startHours":25.653164195559558,"endHours":26.653164195559558,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:39","end":"03:39","startHours":26.653164195559558,"endHours":27.653164195559558,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:39","end":"04:39","startHours":27.653164195559558,"endHours":28.653164195559558,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:39","end":"05:39","startHours":28.653164195559558,"endHours":29.653164195559558,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:39","end":"06:39","startHours":29.653164195559558,"endHours":30.653164195559558,"planetary_lord":"Mars"}],"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":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"South-East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":4.010404735538929,"eotMinutes":4.753870929866006,"ayanamsa":21.7674}},"calendars":{"vikram_samvat":1907,"vikram_samvatsara":"Rudhirodgāri","saka_samvat":1772,"saka_samvatsara":"Sādhāraṇa","bengali_samvat":1257,"malayalam_era":1026,"nanakshahi_year":381,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Aṣṭamī · Vikram 1907 Rudhirodgāri · Śaka 1772 Sādhāraṇa"},"festivals":[{"id":"radhashtami","name":"Rādhāṣṭamī","name_sanskrit":"राधाष्टमी","tradition":"Vaishnava","associated_deity":"Śrī Rādhā (Krishna's hlādinī-śakti)","significance":"Manifestation of Śrī Rādhā at Barsānā — Krishna's ādi-śakti.","vrata":true,"detection":{"tithi_number":8,"tithi_paksha":"Śukla","lunar_month":"Bhādrapada"},"precedence":2,"sources":["Padma Purāṇa","Brahma-Vaivarta Purāṇa"]}],"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":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","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 September 13, 1850 CE · Dvārakā · Vidhyamitra","description":"September 13, 1850 CE for Dvārakā: Śukla Aṣṭamī, sūryodaya 06:39, sūryāsta 19:00.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/1850-09-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/1850-09-13","sa":"https://sa.vidhyamitra.com/city/dwarka/1850-09-13","hi":"https://hi.vidhyamitra.com/city/dwarka/1850-09-13","x-default":"https://vidhyamitra.com/city/dwarka/1850-09-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T11:38:30.637Z","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":"2026-06-02T11:38:30.637Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T11:38:30.637Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}