{"id":"vidhyamitra:city-day:jamnagar:2002-12-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/2002-12-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2002-12-13","date_display":"December 13, 2002 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":2002,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452621.770833,"kali_year":5104,"ahargana":1864156.2708,"sun":{"sidereal_longitude":236.5407,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":340.2732,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":103.7325,"elapsed_within_tithi_degrees":7.7325},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3,"moon_longitude":340.2732,"elapsed_within_degrees":6.9398},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":216.8138},"karana":{"half_tithi_index":17,"name":"Kaulava"},"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":2002,"month":12,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452621.770833,"ahargana":1864156.2708,"kali_year":5104,"ayanamsa_lahiri":23.8942,"grahas":{"sun":{"sidereal_longitude":236.95267,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":342.16957,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false,"latitude":-4.1645},"mars":{"sidereal_longitude":193.45156999999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":252.50917000000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":113.99017000000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":194.19097,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":61.981870000000015,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":48.0298,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":228.0298,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","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":2002,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452621.770833,"kali_year":5104,"ahargana":1864156.2708,"sun":{"sidereal_longitude":236.5407,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":340.2732,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":103.7325,"elapsed_within_tithi_degrees":7.7325},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3,"moon_longitude":340.2732,"elapsed_within_degrees":6.9398},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":216.8138},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.165,"elongation":103.732},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.165,"opposition_distance":76.268}},"eclipse_window_40days":[{"offset_days":-9,"type":"solar","occurs":true,"moon_latitude":0.273,"elongation":2.306},{"offset_days":7,"type":"lunar","occurs":true,"moon_latitude":1.434,"opposition_distance":2.531}]},"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":10.776353630202564,"dayLengthDisplay":"10 Hours 46 Mins 35 Secs","nightLengthDisplay":"13 Hours 13 Mins 25 Secs","moonriseLocal":"13:39","moonsetLocal":"01:52","rahuKala":{"name":"Rāhu Kāla","start":"11:24","end":"12:45","startHours":11.397598292067709,"endHours":12.744642495843031,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:26","end":"16:47","startHours":15.438730903393672,"endHours":16.78577510716899,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:42","end":"10:03","startHours":8.703509884517068,"endHours":10.05055408829239,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:52","end":"10:14","startHours":9.87094819445568,"endHours":10.230159982129098,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:48","end":"08:06","startHours":7.8054804153335215,"endHours":8.092849845472257,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:23","end":"13:06","startHours":12.385430708169613,"endHours":13.10385428351645,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:55","end":"06:38","startHours":5.919618530048073,"endHours":6.638042105394911,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:28","end":"07:21","startHours":6.458436211558201,"endHours":7.356465680741748,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:32","end":"15:16","startHours":14.540701434210124,"endHours":15.259125009556962,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:56","end":"18:20","startHours":17.932819310944314,"endHours":18.332819310944313,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:08","end":"18:35","startHours":18.132819310944313,"endHours":18.581834045536088,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:53","end":"19:38","startHours":17.882819310944313,"endHours":19.632819310944313,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:23","end":"01:06","startHours":24.38543070816961,"endHours":25.10385428351645,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:21","end":"08:42","startHours":7.356465680741748,"endHours":8.703509884517068,"quality":"neutral"},{"name":"Labha","start":"08:42","end":"10:03","startHours":8.703509884517068,"endHours":10.05055408829239,"quality":"auspicious"},{"name":"Amṛta","start":"10:03","end":"11:24","startHours":10.05055408829239,"endHours":11.397598292067709,"quality":"auspicious"},{"name":"Kāla","start":"11:24","end":"12:45","startHours":11.397598292067709,"endHours":12.744642495843031,"quality":"inauspicious"},{"name":"Śubha","start":"12:45","end":"14:06","startHours":12.744642495843031,"endHours":14.09168669961835,"quality":"auspicious"},{"name":"Roga","start":"14:06","end":"15:26","startHours":14.09168669961835,"endHours":15.438730903393672,"quality":"inauspicious"},{"name":"Udveg","start":"15:26","end":"16:47","startHours":15.438730903393672,"endHours":16.78577510716899,"quality":"inauspicious"},{"name":"Chala","start":"16:47","end":"18:08","startHours":16.78577510716899,"endHours":18.132819310944313,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:08","end":"19:47","startHours":18.132819310944313,"endHours":19.785775107168995,"quality":"inauspicious"},{"name":"Udveg","start":"19:47","end":"21:26","startHours":19.785775107168995,"endHours":21.438730903393672,"quality":"inauspicious"},{"name":"Chala","start":"21:26","end":"23:06","startHours":21.438730903393672,"endHours":23.09168669961835,"quality":"neutral"},{"name":"Labha","start":"23:06","end":"00:45","startHours":23.09168669961835,"endHours":24.74464249584303,"quality":"auspicious"},{"name":"Amṛta","start":"00:45","end":"02:24","startHours":24.74464249584303,"endHours":26.397598292067713,"quality":"auspicious"},{"name":"Kāla","start":"02:24","end":"04:03","startHours":26.397598292067713,"endHours":28.05055408829239,"quality":"inauspicious"},{"name":"Śubha","start":"04:03","end":"05:42","startHours":28.05055408829239,"endHours":29.703509884517068,"quality":"auspicious"},{"name":"Roga","start":"05:42","end":"07:21","startHours":29.703509884517068,"endHours":31.35646568074175,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:21","end":"08:21","startHours":7.356465680741748,"endHours":8.35646568074175,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:21","end":"09:21","startHours":8.35646568074175,"endHours":9.35646568074175,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:21","end":"10:21","startHours":9.35646568074175,"endHours":10.35646568074175,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:21","end":"11:21","startHours":10.35646568074175,"endHours":11.35646568074175,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:21","end":"12:21","startHours":11.35646568074175,"endHours":12.35646568074175,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:21","end":"13:21","startHours":12.35646568074175,"endHours":13.35646568074175,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:21","end":"14:21","startHours":13.35646568074175,"endHours":14.35646568074175,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:21","end":"15:21","startHours":14.35646568074175,"endHours":15.35646568074175,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:21","end":"16:21","startHours":15.35646568074175,"endHours":16.35646568074175,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:21","end":"17:21","startHours":16.35646568074175,"endHours":17.35646568074175,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:21","end":"18:21","startHours":17.35646568074175,"endHours":18.35646568074175,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:21","end":"19:21","startHours":18.35646568074175,"endHours":19.35646568074175,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:21","end":"20:21","startHours":19.35646568074175,"endHours":20.35646568074175,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:21","end":"21:21","startHours":20.35646568074175,"endHours":21.35646568074175,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:21","end":"22:21","startHours":21.35646568074175,"endHours":22.35646568074175,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:21","end":"23:21","startHours":22.35646568074175,"endHours":23.35646568074175,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:21","end":"00:21","startHours":23.35646568074175,"endHours":24.35646568074175,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:21","end":"01:21","startHours":24.35646568074175,"endHours":25.35646568074175,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:21","end":"02:21","startHours":25.35646568074175,"endHours":26.35646568074175,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:21","end":"03:21","startHours":26.35646568074175,"endHours":27.35646568074175,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:21","end":"04:21","startHours":27.35646568074175,"endHours":28.35646568074175,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:21","end":"05:21","startHours":28.35646568074175,"endHours":29.35646568074175,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:21","end":"06:21","startHours":29.35646568074175,"endHours":30.35646568074175,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:21","end":"07:21","startHours":30.35646568074175,"endHours":31.35646568074175,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"South-East","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"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":-23.120613819952318,"eotMinutes":5.090650249418121,"ayanamsa":23.8942}},"calendars":{"vikram_samvat":2059,"vikram_samvatsara":"Manmatha","saka_samvat":1924,"saka_samvatsara":"Citrabhānu","bengali_samvat":1409,"malayalam_era":1178,"nanakshahi_year":533,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Navamī · Vikram 2059 Manmatha · Śaka 1924 Citrabhānu"},"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":"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":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","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, 2002 CE · Jamnagar, Gujarat · Vidhyamitra","description":"December 13, 2002 CE for Jamnagar, Gujarat: Śukla Navamī, sūryodaya 07:21, sūryāsta 18:08.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/2002-12-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/2002-12-13","sa":"https://sa.vidhyamitra.com/city/jamnagar/2002-12-13","hi":"https://hi.vidhyamitra.com/city/jamnagar/2002-12-13","x-default":"https://vidhyamitra.com/city/jamnagar/2002-12-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T15:55:47.954Z","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":"2026-05-16T15:55:47.954Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T15:55:47.954Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}