{"id":"vidhyamitra:city-day:jamnagar:2011-12-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/2011-12-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-12-13","date_display":"December 13, 2011 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":2011,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455908.770833,"kali_year":5113,"ahargana":1867443.2708,"sun":{"sidereal_longitude":236.2036,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":85.3667,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":209.1631,"elapsed_within_tithi_degrees":5.1631},"nakshatra":{"number":7,"name":"Punarvasu","pada":2,"moon_longitude":85.3667,"elapsed_within_degrees":5.3667},"yoga":{"number":25,"name":"Brahma","sum_longitude":321.5702},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"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":2011,"month":12,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455908.770833,"ahargana":1867443.2708,"kali_year":5113,"ayanamsa_lahiri":24.0199,"grahas":{"sun":{"sidereal_longitude":236.63928199999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":84.745882,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false,"latitude":-2.3493},"mars":{"sidereal_longitude":139.987882,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":219.66418199999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":6.483782000000019,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":true},"venus":{"sidereal_longitude":266.281482,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":182.563082,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":233.8687,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":53.8687,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","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":2011,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455908.770833,"kali_year":5113,"ahargana":1867443.2708,"sun":{"sidereal_longitude":236.2036,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":85.3667,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":209.1631,"elapsed_within_tithi_degrees":5.1631},"nakshatra":{"number":7,"name":"Punarvasu","pada":2,"moon_longitude":85.3667,"elapsed_within_degrees":5.3667},"yoga":{"number":25,"name":"Brahma","sum_longitude":321.5702},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.349,"elongation":150.837},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.349,"opposition_distance":29.163}},"eclipse_window_40days":[{"offset_days":-18,"type":"solar","occurs":true,"moon_latitude":-1.467,"elongation":2.03}]},"city":{"slug":"jamnagar","name":"Jamnagar, Gujarat","lat":22.4707,"lon":70.0577,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"jamnagar","name":"Jamnagar, Gujarat","lat":22.4707,"lon":70.0577,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tier-1"},"sunriseLocal":"07:21","sunsetLocal":"18:08","solarNoonLocal":"12:45","dayLengthHours":10.777202098305914,"dayLengthDisplay":"10 Hours 46 Mins 38 Secs","nightLengthDisplay":"13 Hours 13 Mins 22 Secs","moonriseLocal":"19:56","moonsetLocal":"09:19","rahuKala":{"name":"Rāhu Kāla","start":"15:26","end":"16:47","startHours":15.438943020419508,"endHours":16.78609328270775,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:03","end":"11:24","startHours":10.050341971266551,"endHours":11.397492233554791,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:45","end":"14:06","startHours":12.744642495843031,"endHours":14.09179275813127,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:52","end":"10:14","startHours":9.870721936294787,"endHours":10.229962006238317,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:48","end":"08:06","startHours":7.805091534119486,"endHours":8.09248359007431,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:23","end":"13:06","startHours":12.385402425899501,"endHours":13.103882565786561,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:55","end":"06:38","startHours":5.9190811669159515,"endHours":6.637561306803013,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:27","end":"07:21","startHours":6.457941271831247,"endHours":7.356041446690074,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:32","end":"15:16","startHours":14.540842845560682,"endHours":15.259322985447744,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:56","end":"18:20","startHours":17.93324354499599,"endHours":18.333243544995987,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:08","end":"18:35","startHours":18.133243544995988,"endHours":18.5822936324254,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:53","end":"19:38","startHours":17.883243544995988,"endHours":19.633243544995988,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:23","end":"01:06","startHours":24.3854024258995,"endHours":25.103882565786563,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:21","end":"08:42","startHours":7.356041446690074,"endHours":8.703191708978313,"quality":"inauspicious"},{"name":"Udveg","start":"08:42","end":"10:03","startHours":8.703191708978313,"endHours":10.050341971266551,"quality":"inauspicious"},{"name":"Chala","start":"10:03","end":"11:24","startHours":10.050341971266551,"endHours":11.397492233554791,"quality":"neutral"},{"name":"Labha","start":"11:24","end":"12:45","startHours":11.397492233554791,"endHours":12.744642495843031,"quality":"auspicious"},{"name":"Amṛta","start":"12:45","end":"14:06","startHours":12.744642495843031,"endHours":14.09179275813127,"quality":"auspicious"},{"name":"Kāla","start":"14:06","end":"15:26","startHours":14.09179275813127,"endHours":15.438943020419508,"quality":"inauspicious"},{"name":"Śubha","start":"15:26","end":"16:47","startHours":15.438943020419508,"endHours":16.78609328270775,"quality":"auspicious"},{"name":"Roga","start":"16:47","end":"18:08","startHours":16.78609328270775,"endHours":18.133243544995988,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:08","end":"19:47","startHours":18.133243544995988,"endHours":19.78609328270775,"quality":"inauspicious"},{"name":"Śubha","start":"19:47","end":"21:26","startHours":19.78609328270775,"endHours":21.438943020419508,"quality":"auspicious"},{"name":"Roga","start":"21:26","end":"23:06","startHours":21.438943020419508,"endHours":23.09179275813127,"quality":"inauspicious"},{"name":"Udveg","start":"23:06","end":"00:45","startHours":23.09179275813127,"endHours":24.74464249584303,"quality":"inauspicious"},{"name":"Chala","start":"00:45","end":"02:24","startHours":24.74464249584303,"endHours":26.397492233554793,"quality":"neutral"},{"name":"Labha","start":"02:24","end":"04:03","startHours":26.397492233554793,"endHours":28.050341971266555,"quality":"auspicious"},{"name":"Amṛta","start":"04:03","end":"05:42","startHours":28.050341971266555,"endHours":29.703191708978313,"quality":"auspicious"},{"name":"Kāla","start":"05:42","end":"07:21","startHours":29.703191708978313,"endHours":31.356041446690075,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:21","end":"08:21","startHours":7.356041446690074,"endHours":8.356041446690075,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:21","end":"09:21","startHours":8.356041446690075,"endHours":9.356041446690075,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:21","end":"10:21","startHours":9.356041446690075,"endHours":10.356041446690075,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:21","end":"11:21","startHours":10.356041446690075,"endHours":11.356041446690075,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:21","end":"12:21","startHours":11.356041446690075,"endHours":12.356041446690075,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:21","end":"13:21","startHours":12.356041446690075,"endHours":13.356041446690075,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:21","end":"14:21","startHours":13.356041446690075,"endHours":14.356041446690075,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:21","end":"15:21","startHours":14.356041446690075,"endHours":15.356041446690075,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:21","end":"16:21","startHours":15.356041446690075,"endHours":16.356041446690075,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:21","end":"17:21","startHours":16.356041446690075,"endHours":17.356041446690075,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:21","end":"18:21","startHours":17.356041446690075,"endHours":18.356041446690075,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:21","end":"19:21","startHours":18.356041446690075,"endHours":19.356041446690075,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:21","end":"20:21","startHours":19.356041446690075,"endHours":20.356041446690075,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:21","end":"21:21","startHours":20.356041446690075,"endHours":21.356041446690075,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:21","end":"22:21","startHours":21.356041446690075,"endHours":22.356041446690075,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:21","end":"23:21","startHours":22.356041446690075,"endHours":23.356041446690075,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:21","end":"00:21","startHours":23.356041446690075,"endHours":24.356041446690075,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:21","end":"01:21","startHours":24.356041446690075,"endHours":25.356041446690075,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:21","end":"02:21","startHours":25.356041446690075,"endHours":26.356041446690075,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:21","end":"03:21","startHours":26.356041446690075,"endHours":27.356041446690075,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:21","end":"04:21","startHours":27.356041446690075,"endHours":28.356041446690075,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:21","end":"05:21","startHours":28.356041446690075,"endHours":29.356041446690075,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:21","end":"06:21","startHours":29.356041446690075,"endHours":30.356041446690075,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:21","end":"07:21","startHours":30.356041446690075,"endHours":31.356041446690075,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"North","anandadiYoga":{"name":"Lumba","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Śarad (Autumn)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-23.107571363073845,"eotMinutes":5.090650249418121,"ayanamsa":24.0199}},"calendars":{"vikram_samvat":2068,"vikram_samvatsara":"Krodhi","saka_samvat":1933,"saka_samvatsara":"Khara","bengali_samvat":1418,"malayalam_era":1187,"nanakshahi_year":542,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Kṛṣṇa Tṛtīyā · Vikram 2068 Krodhi · Śaka 1933 Khara"},"festivals":[{"id":"vrischika-sankranti","name":"Vṛścika Saṅkrānti","name_sanskrit":"वृश्चिक सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Scorpio.","vrata":false,"detection":{"sun_rashi":"Vṛścika"},"precedence":5}],"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":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"jamnagar"},"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, 2011 CE · Jamnagar, Gujarat · Vidhyamitra","description":"December 13, 2011 CE for Jamnagar, Gujarat: Kṛṣṇa Tṛtīyā, sūryodaya 07:21, sūryāsta 18:08.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/2011-12-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/2011-12-13","sa":"https://sa.vidhyamitra.com/city/jamnagar/2011-12-13","hi":"https://hi.vidhyamitra.com/city/jamnagar/2011-12-13","x-default":"https://vidhyamitra.com/city/jamnagar/2011-12-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T06:52:16.189Z","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":"2026-05-17T06:52:16.189Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T06:52:16.189Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}