{"id":"vidhyamitra:city-day:dwarka:2185-12-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/2185-12-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2185-12-18","date_display":"December 18, 2185 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":2185,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2519466.770833,"kali_year":5287,"ahargana":1931001.2708,"sun":{"sidereal_longitude":239.2563,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":195.4929,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":316.2367,"elapsed_within_tithi_degrees":4.2367},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":195.4929,"elapsed_within_degrees":8.8263},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":74.7492},"karana":{"half_tithi_index":52,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2185,"month":12,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2519466.770833,"ahargana":1931001.2708,"kali_year":5287,"ayanamsa_lahiri":26.4508,"grahas":{"sun":{"sidereal_longitude":240.07799899999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"moon":{"sidereal_longitude":198.07449900000006,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false,"latitude":4.4996},"mars":{"sidereal_longitude":260.5215989999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":242.45269900000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":245.445699,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"venus":{"sidereal_longitude":244.95099900000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":150.03469900000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":106.26,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":286.26,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":2185,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2519466.770833,"kali_year":5287,"ahargana":1931001.2708,"sun":{"sidereal_longitude":239.2563,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":195.4929,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":316.2367,"elapsed_within_tithi_degrees":4.2367},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":195.4929,"elapsed_within_degrees":8.8263},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":74.7492},"karana":{"half_tithi_index":52,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.5,"elongation":43.763},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.5,"opposition_distance":136.237}},"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":"07:28","sunsetLocal":"18:15","solarNoonLocal":"12:51","dayLengthHours":10.774316720072086,"dayLengthDisplay":"10 Hours 46 Mins 28 Secs","nightLengthDisplay":"13 Hours 13 Mins 32 Secs","moonriseLocal":"04:28","moonsetLocal":"15:39","rahuKala":{"name":"Rāhu Kāla","start":"16:54","end":"18:15","startHours":16.895999980891347,"endHours":18.242789570900356,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:51","end":"14:12","startHours":12.855631210864313,"endHours":14.202420800873323,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:33","end":"16:54","startHours":15.549210390882333,"endHours":16.895999980891347,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:59","end":"10:20","startHours":9.982480085511757,"endHours":10.341623976180825,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:55","end":"08:12","startHours":7.917402714164607,"endHours":8.204717826699863,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:30","end":"13:13","startHours":12.496487320195245,"endHours":13.214775101533382,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:02","end":"06:45","startHours":6.031897288151991,"endHours":6.75018506949013,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:34","end":"07:28","startHours":6.570613124155596,"endHours":7.468472850828269,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:39","end":"15:22","startHours":14.65135066420966,"endHours":15.3696384455478,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:03","end":"18:27","startHours":18.042789570900357,"endHours":18.442789570900356,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:15","end":"18:42","startHours":18.242789570900356,"endHours":18.691719434236692,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:00","end":"19:45","startHours":17.992789570900356,"endHours":19.742789570900356,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:30","end":"01:13","startHours":24.496487320195243,"endHours":25.214775101533384,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:28","end":"08:49","startHours":7.468472850828269,"endHours":8.81526244083728,"quality":"inauspicious"},{"name":"Chala","start":"08:49","end":"10:10","startHours":8.81526244083728,"endHours":10.16205203084629,"quality":"neutral"},{"name":"Labha","start":"10:10","end":"11:31","startHours":10.16205203084629,"endHours":11.508841620855302,"quality":"auspicious"},{"name":"Amṛta","start":"11:31","end":"12:51","startHours":11.508841620855302,"endHours":12.855631210864313,"quality":"auspicious"},{"name":"Kāla","start":"12:51","end":"14:12","startHours":12.855631210864313,"endHours":14.202420800873323,"quality":"inauspicious"},{"name":"Śubha","start":"14:12","end":"15:33","startHours":14.202420800873323,"endHours":15.549210390882333,"quality":"auspicious"},{"name":"Roga","start":"15:33","end":"16:54","startHours":15.549210390882333,"endHours":16.895999980891347,"quality":"inauspicious"},{"name":"Udveg","start":"16:54","end":"18:15","startHours":16.895999980891347,"endHours":18.242789570900356,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:15","end":"19:54","startHours":18.242789570900356,"endHours":19.895999980891347,"quality":"auspicious"},{"name":"Roga","start":"19:54","end":"21:33","startHours":19.895999980891347,"endHours":21.549210390882337,"quality":"inauspicious"},{"name":"Udveg","start":"21:33","end":"23:12","startHours":21.549210390882337,"endHours":23.202420800873323,"quality":"inauspicious"},{"name":"Chala","start":"23:12","end":"00:51","startHours":23.202420800873323,"endHours":24.855631210864313,"quality":"neutral"},{"name":"Labha","start":"00:51","end":"02:31","startHours":24.855631210864313,"endHours":26.508841620855303,"quality":"auspicious"},{"name":"Amṛta","start":"02:31","end":"04:10","startHours":26.508841620855303,"endHours":28.16205203084629,"quality":"auspicious"},{"name":"Kāla","start":"04:10","end":"05:49","startHours":28.16205203084629,"endHours":29.81526244083728,"quality":"inauspicious"},{"name":"Śubha","start":"05:49","end":"07:28","startHours":29.81526244083728,"endHours":31.46847285082827,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:28","end":"08:28","startHours":7.468472850828269,"endHours":8.46847285082827,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:28","end":"09:28","startHours":8.46847285082827,"endHours":9.46847285082827,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:28","end":"10:28","startHours":9.46847285082827,"endHours":10.46847285082827,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:28","end":"11:28","startHours":10.46847285082827,"endHours":11.46847285082827,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:28","end":"12:28","startHours":11.46847285082827,"endHours":12.46847285082827,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:28","end":"13:28","startHours":12.46847285082827,"endHours":13.46847285082827,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:28","end":"14:28","startHours":13.46847285082827,"endHours":14.46847285082827,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:28","end":"15:28","startHours":14.46847285082827,"endHours":15.46847285082827,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:28","end":"16:28","startHours":15.46847285082827,"endHours":16.46847285082827,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:28","end":"17:28","startHours":16.46847285082827,"endHours":17.46847285082827,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:28","end":"18:28","startHours":17.46847285082827,"endHours":18.46847285082827,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:28","end":"19:28","startHours":18.46847285082827,"endHours":19.46847285082827,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:28","end":"20:28","startHours":19.46847285082827,"endHours":20.46847285082827,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:28","end":"21:28","startHours":20.46847285082827,"endHours":21.46847285082827,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:28","end":"22:28","startHours":21.46847285082827,"endHours":22.46847285082827,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:28","end":"23:28","startHours":22.46847285082827,"endHours":23.46847285082827,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:28","end":"00:28","startHours":23.46847285082827,"endHours":24.46847285082827,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:28","end":"01:28","startHours":24.46847285082827,"endHours":25.46847285082827,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:28","end":"02:28","startHours":25.46847285082827,"endHours":26.46847285082827,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:28","end":"03:28","startHours":26.46847285082827,"endHours":27.46847285082827,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:28","end":"04:28","startHours":27.46847285082827,"endHours":28.46847285082827,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:28","end":"05:28","startHours":28.46847285082827,"endHours":29.46847285082827,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:28","end":"06:28","startHours":29.46847285082827,"endHours":30.46847285082827,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:28","end":"07:28","startHours":30.46847285082827,"endHours":31.46847285082827,"planetary_lord":"Jupiter"}],"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","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Lumba","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.390940018335247,"eotMinutes":2.787727348141232,"ayanamsa":26.4508}},"calendars":{"vikram_samvat":2242,"vikram_samvatsara":"Vilambī","saka_samvat":2107,"saka_samvatsara":"Pārthiva","bengali_samvat":1592,"malayalam_era":1361,"nanakshahi_year":716,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Dvādaśī · Vikram 2242 Vilambī · Śaka 2107 Pārthiva"},"festivals":[{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi_ingress":"Dhanu"},"precedence":5}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 December 18, 2185 CE · Dvārakā · Vidhyamitra","description":"December 18, 2185 CE for Dvārakā: Kṛṣṇa Dvādaśī, sūryodaya 07:28, sūryāsta 18:15.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/2185-12-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/2185-12-18","sa":"https://sa.vidhyamitra.com/city/dwarka/2185-12-18","hi":"https://hi.vidhyamitra.com/city/dwarka/2185-12-18","x-default":"https://vidhyamitra.com/city/dwarka/2185-12-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T09:50:36.479Z","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":"2026-06-01T09:50:36.479Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T09:50:36.479Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}