{"id":"vidhyamitra:city-day:dwarka:2291-12-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/2291-12-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2291-12-13","date_display":"December 13, 2291 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":2291,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2558176.770833,"kali_year":5393,"ahargana":1969711.2708,"sun":{"sidereal_longitude":231.6423,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":133.2762,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":261.6339,"elapsed_within_tithi_degrees":9.6339},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":133.2762,"elapsed_within_degrees":13.2762},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":4.9185},"karana":{"half_tithi_index":43,"name":"Bava"},"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":2291,"month":12,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2558176.770833,"ahargana":1969711.2708,"kali_year":5393,"ayanamsa_lahiri":27.9313,"grahas":{"sun":{"sidereal_longitude":232.78149299999995,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":137.79029300000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false,"latitude":-4.4555},"mars":{"sidereal_longitude":69.19009299999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":238.97539299999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":223.02549299999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":274.376893,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":339.49949300000003,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":215.218,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":35.218,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","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":2291,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2558176.770833,"kali_year":5393,"ahargana":1969711.2708,"sun":{"sidereal_longitude":231.6423,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":133.2762,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":261.6339,"elapsed_within_tithi_degrees":9.6339},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":133.2762,"elapsed_within_degrees":13.2762},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":4.9185},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.455,"elongation":98.366},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.455,"opposition_distance":81.634}},"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":"07:25","sunsetLocal":"18:13","solarNoonLocal":"12:49","dayLengthHours":10.79232953599664,"dayLengthDisplay":"10 Hours 47 Mins 32 Secs","nightLengthDisplay":"13 Hours 12 Mins 28 Secs","moonriseLocal":"00:17","moonsetLocal":"12:41","rahuKala":{"name":"Rāhu Kāla","start":"16:52","end":"18:13","startHours":16.864372738508436,"endHours":18.21341393050802,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:49","end":"14:10","startHours":12.817249162509698,"endHours":14.166290354509279,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:31","end":"16:52","startHours":15.515331546508857,"endHours":16.864372738508436,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:56","end":"10:18","startHours":9.939294619577261,"endHours":10.299038937443816,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:52","end":"08:10","startHours":7.870764791844572,"endHours":8.158560246137815,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:27","end":"13:11","startHours":12.457504844643143,"endHours":13.176993480376254,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:59","end":"06:42","startHours":5.98210712304516,"endHours":6.70159575877827,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:31","end":"07:25","startHours":6.521723599844992,"endHours":7.421084394511379,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:37","end":"15:20","startHours":14.615970751842472,"endHours":15.33545938757558,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:01","end":"18:25","startHours":18.01341393050802,"endHours":18.413413930508018,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:13","end":"18:40","startHours":18.21341393050802,"endHours":18.66309432784121,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:58","end":"19:43","startHours":17.96341393050802,"endHours":19.71341393050802,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:27","end":"01:11","startHours":24.457504844643143,"endHours":25.17699348037625,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:25","end":"08:46","startHours":7.421084394511379,"endHours":8.770125586510959,"quality":"inauspicious"},{"name":"Chala","start":"08:46","end":"10:07","startHours":8.770125586510959,"endHours":10.11916677851054,"quality":"neutral"},{"name":"Labha","start":"10:07","end":"11:28","startHours":10.11916677851054,"endHours":11.468207970510118,"quality":"auspicious"},{"name":"Amṛta","start":"11:28","end":"12:49","startHours":11.468207970510118,"endHours":12.817249162509698,"quality":"auspicious"},{"name":"Kāla","start":"12:49","end":"14:10","startHours":12.817249162509698,"endHours":14.166290354509279,"quality":"inauspicious"},{"name":"Śubha","start":"14:10","end":"15:31","startHours":14.166290354509279,"endHours":15.515331546508857,"quality":"auspicious"},{"name":"Roga","start":"15:31","end":"16:52","startHours":15.515331546508857,"endHours":16.864372738508436,"quality":"inauspicious"},{"name":"Udveg","start":"16:52","end":"18:13","startHours":16.864372738508436,"endHours":18.21341393050802,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:13","end":"19:52","startHours":18.21341393050802,"endHours":19.86437273850844,"quality":"auspicious"},{"name":"Roga","start":"19:52","end":"21:31","startHours":19.86437273850844,"endHours":21.515331546508857,"quality":"inauspicious"},{"name":"Udveg","start":"21:31","end":"23:10","startHours":21.515331546508857,"endHours":23.16629035450928,"quality":"inauspicious"},{"name":"Chala","start":"23:10","end":"00:49","startHours":23.16629035450928,"endHours":24.817249162509697,"quality":"neutral"},{"name":"Labha","start":"00:49","end":"02:28","startHours":24.817249162509697,"endHours":26.468207970510118,"quality":"auspicious"},{"name":"Amṛta","start":"02:28","end":"04:07","startHours":26.468207970510118,"endHours":28.11916677851054,"quality":"auspicious"},{"name":"Kāla","start":"04:07","end":"05:46","startHours":28.11916677851054,"endHours":29.770125586510957,"quality":"inauspicious"},{"name":"Śubha","start":"05:46","end":"07:25","startHours":29.770125586510957,"endHours":31.42108439451138,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:25","end":"08:25","startHours":7.421084394511379,"endHours":8.421084394511379,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:25","end":"09:25","startHours":8.421084394511379,"endHours":9.421084394511379,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:25","end":"10:25","startHours":9.421084394511379,"endHours":10.421084394511379,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:25","end":"11:25","startHours":10.421084394511379,"endHours":11.421084394511379,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:25","end":"12:25","startHours":11.421084394511379,"endHours":12.421084394511379,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:25","end":"13:25","startHours":12.421084394511379,"endHours":13.421084394511379,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:25","end":"14:25","startHours":13.421084394511379,"endHours":14.421084394511379,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:25","end":"15:25","startHours":14.421084394511379,"endHours":15.421084394511379,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:25","end":"16:25","startHours":15.421084394511379,"endHours":16.42108439451138,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:25","end":"17:25","startHours":16.42108439451138,"endHours":17.42108439451138,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:25","end":"18:25","startHours":17.42108439451138,"endHours":18.42108439451138,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:25","end":"19:25","startHours":18.42108439451138,"endHours":19.42108439451138,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:25","end":"20:25","startHours":19.42108439451138,"endHours":20.42108439451138,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:25","end":"21:25","startHours":20.42108439451138,"endHours":21.42108439451138,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:25","end":"22:25","startHours":21.42108439451138,"endHours":22.42108439451138,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:25","end":"23:25","startHours":22.42108439451138,"endHours":23.42108439451138,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:25","end":"00:25","startHours":23.42108439451138,"endHours":24.42108439451138,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:25","end":"01:25","startHours":24.42108439451138,"endHours":25.42108439451138,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:25","end":"02:25","startHours":25.42108439451138,"endHours":26.42108439451138,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:25","end":"03:25","startHours":26.42108439451138,"endHours":27.42108439451138,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:25","end":"04:25","startHours":27.42108439451138,"endHours":28.42108439451138,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:25","end":"05:25","startHours":28.42108439451138,"endHours":29.42108439451138,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:25","end":"06:25","startHours":29.42108439451138,"endHours":30.42108439451138,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:25","end":"07:25","startHours":30.42108439451138,"endHours":31.42108439451138,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.111323439345643,"eotMinutes":5.090650249418121,"ayanamsa":27.9313}},"calendars":{"vikram_samvat":2348,"vikram_samvatsara":"Tāraṇa","saka_samvat":2213,"saka_samvatsara":"Prajāpati","bengali_samvat":1698,"malayalam_era":1467,"nanakshahi_year":822,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Kṛṣṇa Saptamī · Vikram 2348 Tāraṇa · Śaka 2213 Prajāpati"},"festivals":[],"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 13, 2291 CE · Dvārakā · Vidhyamitra","description":"December 13, 2291 CE for Dvārakā: Kṛṣṇa Saptamī, sūryodaya 07:25, sūryāsta 18:13.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/2291-12-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/2291-12-13","sa":"https://sa.vidhyamitra.com/city/dwarka/2291-12-13","hi":"https://hi.vidhyamitra.com/city/dwarka/2291-12-13","x-default":"https://vidhyamitra.com/city/dwarka/2291-12-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T20:19:40.990Z","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":"2026-06-01T20:19:40.990Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T20:19:40.990Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}