{"id":"vidhyamitra:city-day:jamnagar:1998-12-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/1998-12-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1998-12-11","date_display":"December 11, 1998 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":1998,"month":12,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451158.770833,"kali_year":5100,"ahargana":1862693.2708,"sun":{"sidereal_longitude":234.5265,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":145.77,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":271.2436,"elapsed_within_tithi_degrees":7.2436},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":145.77,"elapsed_within_degrees":12.4367},"yoga":{"number":2,"name":"Prīti","sum_longitude":20.2965},"karana":{"half_tithi_index":45,"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":1998,"month":12,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2451158.770833,"ahargana":1862693.2708,"kali_year":5100,"ayanamsa_lahiri":23.8382,"grahas":{"sun":{"sidereal_longitude":234.945067,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":148.26686700000005,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false,"latitude":1.5542},"mars":{"sidereal_longitude":163.66856700000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":217.397067,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":325.585467,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":245.28076699999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":3.1791670000000067,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":125.5466,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":305.5466,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"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":1998,"month":12,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451158.770833,"kali_year":5100,"ahargana":1862693.2708,"sun":{"sidereal_longitude":234.5265,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":145.77,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":271.2436,"elapsed_within_tithi_degrees":7.2436},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":145.77,"elapsed_within_degrees":12.4367},"yoga":{"number":2,"name":"Prīti","sum_longitude":20.2965},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.554,"elongation":88.756},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.554,"opposition_distance":91.244}},"eclipse_window_40days":[]},"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":"07:20","sunsetLocal":"18:07","solarNoonLocal":"12:44","dayLengthHours":10.78660150693972,"dayLengthDisplay":"10 Hours 47 Mins 12 Secs","nightLengthDisplay":"13 Hours 12 Mins 48 Secs","moonriseLocal":"00:49","moonsetLocal":"13:05","rahuKala":{"name":"Rāhu Kāla","start":"11:23","end":"12:44","startHours":11.381360100223656,"endHours":12.72968528859112,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:26","end":"16:46","startHours":15.42633566532605,"endHours":16.774660853693515,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:41","end":"10:02","startHours":8.684709723488725,"endHours":10.03303491185619,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:51","end":"10:13","startHours":9.853258220073862,"endHours":10.212811603638519,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:47","end":"08:04","startHours":7.785826264577081,"endHours":8.073468971428808,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:22","end":"13:05","startHours":12.370131905026463,"endHours":13.089238672155778,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:54","end":"06:37","startHours":5.8981710008626305,"endHours":6.617277767991945,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:26","end":"07:20","startHours":6.4375010762096165,"endHours":7.33638453512126,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:32","end":"15:15","startHours":14.527452206414406,"endHours":15.24655897354372,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:55","end":"18:19","startHours":17.92298604206098,"endHours":18.32298604206098,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:07","end":"18:34","startHours":18.12298604206098,"endHours":18.5724277715168,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:52","end":"19:37","startHours":17.87298604206098,"endHours":19.62298604206098,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:22","end":"01:05","startHours":24.370131905026465,"endHours":25.089238672155776,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:20","end":"08:41","startHours":7.33638453512126,"endHours":8.684709723488725,"quality":"neutral"},{"name":"Labha","start":"08:41","end":"10:02","startHours":8.684709723488725,"endHours":10.03303491185619,"quality":"auspicious"},{"name":"Amṛta","start":"10:02","end":"11:23","startHours":10.03303491185619,"endHours":11.381360100223656,"quality":"auspicious"},{"name":"Kāla","start":"11:23","end":"12:44","startHours":11.381360100223656,"endHours":12.72968528859112,"quality":"inauspicious"},{"name":"Śubha","start":"12:44","end":"14:05","startHours":12.72968528859112,"endHours":14.078010476958585,"quality":"auspicious"},{"name":"Roga","start":"14:05","end":"15:26","startHours":14.078010476958585,"endHours":15.42633566532605,"quality":"inauspicious"},{"name":"Udveg","start":"15:26","end":"16:46","startHours":15.42633566532605,"endHours":16.774660853693515,"quality":"inauspicious"},{"name":"Chala","start":"16:46","end":"18:07","startHours":16.774660853693515,"endHours":18.12298604206098,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:07","end":"19:46","startHours":18.12298604206098,"endHours":19.774660853693515,"quality":"inauspicious"},{"name":"Udveg","start":"19:46","end":"21:26","startHours":19.774660853693515,"endHours":21.42633566532605,"quality":"inauspicious"},{"name":"Chala","start":"21:26","end":"23:05","startHours":21.42633566532605,"endHours":23.078010476958585,"quality":"neutral"},{"name":"Labha","start":"23:05","end":"00:44","startHours":23.078010476958585,"endHours":24.72968528859112,"quality":"auspicious"},{"name":"Amṛta","start":"00:44","end":"02:23","startHours":24.72968528859112,"endHours":26.381360100223652,"quality":"auspicious"},{"name":"Kāla","start":"02:23","end":"04:02","startHours":26.381360100223652,"endHours":28.03303491185619,"quality":"inauspicious"},{"name":"Śubha","start":"04:02","end":"05:41","startHours":28.03303491185619,"endHours":29.684709723488723,"quality":"auspicious"},{"name":"Roga","start":"05:41","end":"07:20","startHours":29.684709723488723,"endHours":31.33638453512126,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:20","end":"08:20","startHours":7.33638453512126,"endHours":8.33638453512126,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:20","end":"09:20","startHours":8.33638453512126,"endHours":9.33638453512126,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:20","end":"10:20","startHours":9.33638453512126,"endHours":10.33638453512126,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:20","end":"11:20","startHours":10.33638453512126,"endHours":11.33638453512126,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:20","end":"12:20","startHours":11.33638453512126,"endHours":12.33638453512126,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:20","end":"13:20","startHours":12.33638453512126,"endHours":13.33638453512126,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:20","end":"14:20","startHours":13.33638453512126,"endHours":14.33638453512126,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:20","end":"15:20","startHours":14.33638453512126,"endHours":15.33638453512126,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:20","end":"16:20","startHours":15.33638453512126,"endHours":16.33638453512126,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:20","end":"17:20","startHours":16.33638453512126,"endHours":17.33638453512126,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:20","end":"18:20","startHours":17.33638453512126,"endHours":18.33638453512126,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:20","end":"19:20","startHours":18.33638453512126,"endHours":19.33638453512126,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:20","end":"20:20","startHours":19.33638453512126,"endHours":20.33638453512126,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:20","end":"21:20","startHours":20.33638453512126,"endHours":21.33638453512126,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:20","end":"22:20","startHours":21.33638453512126,"endHours":22.33638453512126,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:20","end":"23:20","startHours":22.33638453512126,"endHours":23.33638453512126,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:20","end":"00:20","startHours":23.33638453512126,"endHours":24.33638453512126,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:20","end":"01:20","startHours":24.33638453512126,"endHours":25.33638453512126,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:20","end":"02:20","startHours":25.33638453512126,"endHours":26.33638453512126,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:20","end":"03:20","startHours":26.33638453512126,"endHours":27.33638453512126,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:20","end":"04:20","startHours":27.33638453512126,"endHours":28.33638453512126,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:20","end":"05:20","startHours":28.33638453512126,"endHours":29.33638453512126,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:20","end":"06:20","startHours":29.33638453512126,"endHours":30.33638453512126,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:20","end":"07:20","startHours":30.33638453512126,"endHours":31.33638453512126,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","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":"South-East","anandadiYoga":{"name":"Dhūmra","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":-22.962907849370648,"eotMinutes":5.988082684532823,"ayanamsa":23.8382}},"calendars":{"vikram_samvat":2055,"vikram_samvatsara":"Khara","saka_samvat":1920,"saka_samvatsara":"Bahudhānya","bengali_samvat":1405,"malayalam_era":1174,"nanakshahi_year":529,"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":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Aṣṭamī · Vikram 2055 Khara · Śaka 1920 Bahudhānya"},"festivals":[],"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":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","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 11, 1998 CE · Jamnagar, Gujarat · Vidhyamitra","description":"December 11, 1998 CE for Jamnagar, Gujarat: Kṛṣṇa Aṣṭamī, sūryodaya 07:20, sūryāsta 18:07.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/1998-12-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/1998-12-11","sa":"https://sa.vidhyamitra.com/city/jamnagar/1998-12-11","hi":"https://hi.vidhyamitra.com/city/jamnagar/1998-12-11","x-default":"https://vidhyamitra.com/city/jamnagar/1998-12-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T16:56:19.967Z","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":"2026-06-02T16:56:19.967Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T16:56:19.967Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}