{"id":"vidhyamitra:city-day:jamnagar:1998-12-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/1998-12-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1998-12-12","date_display":"December 12, 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":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451159.770833,"kali_year":5100,"ahargana":1862694.2708,"sun":{"sidereal_longitude":235.5514,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":157.8093,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":282.2579,"elapsed_within_tithi_degrees":6.2579},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4,"moon_longitude":157.8093,"elapsed_within_degrees":11.1426},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":33.3607},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2451159.770833,"ahargana":1862694.2708,"kali_year":5100,"ayanamsa_lahiri":23.8383,"grahas":{"sun":{"sidereal_longitude":235.96152900000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":160.32542899999999,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false,"latitude":2.4039},"mars":{"sidereal_longitude":164.207629,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":217.433629,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":325.67712900000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":246.53662899999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":3.146829000000025,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":125.4936,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":305.4936,"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":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451159.770833,"kali_year":5100,"ahargana":1862694.2708,"sun":{"sidereal_longitude":235.5514,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":157.8093,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":282.2579,"elapsed_within_tithi_degrees":6.2579},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4,"moon_longitude":157.8093,"elapsed_within_degrees":11.1426},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":33.3607},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.404,"elongation":77.742},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.404,"opposition_distance":102.258}},"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":"07:21","sunsetLocal":"18:08","solarNoonLocal":"12:44","dayLengthHours":10.781301141020311,"dayLengthDisplay":"10 Hours 46 Mins 53 Secs","nightLengthDisplay":"13 Hours 13 Mins 07 Secs","moonriseLocal":"01:42","moonsetLocal":"13:41","rahuKala":{"name":"Rāhu Kāla","start":"10:03","end":"11:23","startHours":10.041803230393036,"endHours":11.389465873020576,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:05","end":"15:26","startHours":14.084791158275653,"endHours":15.432453800903193,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:21","end":"08:42","startHours":7.346477945137958,"endHours":8.694140587765498,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:52","end":"10:13","startHours":9.862114878042696,"endHours":10.221491582743374,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:48","end":"08:05","startHours":7.795698826013805,"endHours":8.083200189774347,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:23","end":"13:06","startHours":12.377751810947437,"endHours":13.096505220348792,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:55","end":"06:38","startHours":5.90897112633525,"endHours":6.627724535736604,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:27","end":"07:21","startHours":6.448036183386265,"endHours":7.346477945137958,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:32","end":"15:15","startHours":14.534012039151499,"endHours":15.252765448552852,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:56","end":"18:20","startHours":17.92777908615827,"endHours":18.32777908615827,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:08","end":"18:35","startHours":18.12777908615827,"endHours":18.576999967034116,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:53","end":"19:38","startHours":17.87777908615827,"endHours":19.62777908615827,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:23","end":"01:06","startHours":24.37775181094744,"endHours":25.096505220348792,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:21","end":"08:42","startHours":7.346477945137958,"endHours":8.694140587765498,"quality":"inauspicious"},{"name":"Śubha","start":"08:42","end":"10:03","startHours":8.694140587765498,"endHours":10.041803230393036,"quality":"auspicious"},{"name":"Roga","start":"10:03","end":"11:23","startHours":10.041803230393036,"endHours":11.389465873020576,"quality":"inauspicious"},{"name":"Udveg","start":"11:23","end":"12:44","startHours":11.389465873020576,"endHours":12.737128515648113,"quality":"inauspicious"},{"name":"Chala","start":"12:44","end":"14:05","startHours":12.737128515648113,"endHours":14.084791158275653,"quality":"neutral"},{"name":"Labha","start":"14:05","end":"15:26","startHours":14.084791158275653,"endHours":15.432453800903193,"quality":"auspicious"},{"name":"Amṛta","start":"15:26","end":"16:47","startHours":15.432453800903193,"endHours":16.78011644353073,"quality":"auspicious"},{"name":"Kāla","start":"16:47","end":"18:08","startHours":16.78011644353073,"endHours":18.12777908615827,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:08","end":"19:47","startHours":18.12777908615827,"endHours":19.78011644353073,"quality":"auspicious"},{"name":"Amṛta","start":"19:47","end":"21:26","startHours":19.78011644353073,"endHours":21.432453800903193,"quality":"auspicious"},{"name":"Kāla","start":"21:26","end":"23:05","startHours":21.432453800903193,"endHours":23.084791158275653,"quality":"inauspicious"},{"name":"Śubha","start":"23:05","end":"00:44","startHours":23.084791158275653,"endHours":24.737128515648116,"quality":"auspicious"},{"name":"Roga","start":"00:44","end":"02:23","startHours":24.737128515648116,"endHours":26.389465873020576,"quality":"inauspicious"},{"name":"Udveg","start":"02:23","end":"04:03","startHours":26.389465873020576,"endHours":28.041803230393036,"quality":"inauspicious"},{"name":"Chala","start":"04:03","end":"05:42","startHours":28.041803230393036,"endHours":29.694140587765496,"quality":"neutral"},{"name":"Labha","start":"05:42","end":"07:21","startHours":29.694140587765496,"endHours":31.34647794513796,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:21","end":"08:21","startHours":7.346477945137958,"endHours":8.34647794513796,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:21","end":"09:21","startHours":8.34647794513796,"endHours":9.34647794513796,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:21","end":"10:21","startHours":9.34647794513796,"endHours":10.34647794513796,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:21","end":"11:21","startHours":10.34647794513796,"endHours":11.34647794513796,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:21","end":"12:21","startHours":11.34647794513796,"endHours":12.34647794513796,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:21","end":"13:21","startHours":12.34647794513796,"endHours":13.34647794513796,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:21","end":"14:21","startHours":13.34647794513796,"endHours":14.34647794513796,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:21","end":"15:21","startHours":14.34647794513796,"endHours":15.34647794513796,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:21","end":"16:21","startHours":15.34647794513796,"endHours":16.34647794513796,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:21","end":"17:21","startHours":16.34647794513796,"endHours":17.34647794513796,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:21","end":"18:21","startHours":17.34647794513796,"endHours":18.34647794513796,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:21","end":"19:21","startHours":18.34647794513796,"endHours":19.34647794513796,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:21","end":"20:21","startHours":19.34647794513796,"endHours":20.34647794513796,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:21","end":"21:21","startHours":20.34647794513796,"endHours":21.34647794513796,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:21","end":"22:21","startHours":21.34647794513796,"endHours":22.34647794513796,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:21","end":"23:21","startHours":22.34647794513796,"endHours":23.34647794513796,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:21","end":"00:21","startHours":23.34647794513796,"endHours":24.34647794513796,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:21","end":"01:21","startHours":24.34647794513796,"endHours":25.34647794513796,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:21","end":"02:21","startHours":25.34647794513796,"endHours":26.34647794513796,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:21","end":"03:21","startHours":26.34647794513796,"endHours":27.34647794513796,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:21","end":"04:21","startHours":27.34647794513796,"endHours":28.34647794513796,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:21","end":"05:21","startHours":28.34647794513796,"endHours":29.34647794513796,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:21","end":"06:21","startHours":29.34647794513796,"endHours":30.34647794513796,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:21","end":"07:21","startHours":30.34647794513796,"endHours":31.34647794513796,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"East","anandadiYoga":{"name":"Śrīvatsa","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.044524329736017,"eotMinutes":5.541489061113115,"ayanamsa":23.8383}},"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 Navamī · Vikram 2055 Khara · Śaka 1920 Bahudhānya"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[]},"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 12, 1998 CE · Jamnagar, Gujarat · Vidhyamitra","description":"December 12, 1998 CE for Jamnagar, Gujarat: Kṛṣṇa Navamī, sūryodaya 07:21, sūryāsta 18:08.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/1998-12-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/1998-12-12","sa":"https://sa.vidhyamitra.com/city/jamnagar/1998-12-12","hi":"https://hi.vidhyamitra.com/city/jamnagar/1998-12-12","x-default":"https://vidhyamitra.com/city/jamnagar/1998-12-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T09:49:49.606Z","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":"2026-06-02T09:49:49.606Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T09:49:49.606Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}