{"id":"vidhyamitra:city-day:jamnagar:1963-12-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/1963-12-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1963-12-17","date_display":"December 17, 1963 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":1963,"month":12,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438380.770833,"kali_year":5065,"ahargana":1849915.2708,"sun":{"sidereal_longitude":240.738,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":252.2297,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":11.4917,"elapsed_within_tithi_degrees":11.4917},"nakshatra":{"number":19,"name":"Mūla","pada":4,"moon_longitude":252.2297,"elapsed_within_degrees":12.2297},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":132.9677},"karana":{"half_tithi_index":1,"name":"Bava"},"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":1963,"month":12,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2438380.770833,"ahargana":1849915.2708,"kali_year":5065,"ayanamsa_lahiri":23.3495,"grahas":{"sun":{"sidereal_longitude":241.022381,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"moon":{"sidereal_longitude":251.59268100000008,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false,"latitude":0.8082},"mars":{"sidereal_longitude":256.038781,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":261.814481,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":347.129681,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":268.81208100000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":296.34818100000007,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":82.5865,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":262.5865,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":1963,"month":12,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438380.770833,"kali_year":5065,"ahargana":1849915.2708,"sun":{"sidereal_longitude":240.738,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":252.2297,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":11.4917,"elapsed_within_tithi_degrees":11.4917},"nakshatra":{"number":19,"name":"Mūla","pada":4,"moon_longitude":252.2297,"elapsed_within_degrees":12.2297},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":132.9677},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.808,"elongation":11.492},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.808,"opposition_distance":168.508}},"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":"07:24","sunsetLocal":"18:09","solarNoonLocal":"12:47","dayLengthHours":10.763568409862337,"dayLengthDisplay":"10 Hours 45 Mins 49 Secs","nightLengthDisplay":"13 Hours 14 Mins 11 Secs","moonriseLocal":"08:07","moonsetLocal":"18:50","rahuKala":{"name":"Rāhu Kāla","start":"15:28","end":"16:49","startHours":15.466155954513777,"endHours":16.811602005746572,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:05","end":"11:26","startHours":10.084371749582608,"endHours":11.429817800815401,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:47","end":"14:07","startHours":12.775263852048194,"endHours":14.120709903280986,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:54","end":"10:16","startHours":9.90497894275157,"endHours":10.263764556413648,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:51","end":"08:08","startHours":7.841961664194622,"endHours":8.128990155124285,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:25","end":"13:08","startHours":12.416478238386116,"endHours":13.134049465710273,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:58","end":"06:41","startHours":5.958337192468713,"endHours":6.6759084197928695,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:30","end":"07:24","startHours":6.49651561296183,"endHours":7.393479647117025,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:34","end":"15:17","startHours":14.569191920358584,"endHours":15.28676314768274,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:57","end":"18:21","startHours":17.957048056979364,"endHours":18.357048056979362,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:09","end":"18:36","startHours":18.157048056979363,"endHours":18.60553007405696,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:54","end":"19:39","startHours":17.907048056979363,"endHours":19.657048056979363,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:25","end":"01:08","startHours":24.416478238386116,"endHours":25.134049465710273,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:24","end":"08:44","startHours":7.393479647117025,"endHours":8.738925698349817,"quality":"inauspicious"},{"name":"Udveg","start":"08:44","end":"10:05","startHours":8.738925698349817,"endHours":10.084371749582608,"quality":"inauspicious"},{"name":"Chala","start":"10:05","end":"11:26","startHours":10.084371749582608,"endHours":11.429817800815401,"quality":"neutral"},{"name":"Labha","start":"11:26","end":"12:47","startHours":11.429817800815401,"endHours":12.775263852048194,"quality":"auspicious"},{"name":"Amṛta","start":"12:47","end":"14:07","startHours":12.775263852048194,"endHours":14.120709903280986,"quality":"auspicious"},{"name":"Kāla","start":"14:07","end":"15:28","startHours":14.120709903280986,"endHours":15.466155954513777,"quality":"inauspicious"},{"name":"Śubha","start":"15:28","end":"16:49","startHours":15.466155954513777,"endHours":16.811602005746572,"quality":"auspicious"},{"name":"Roga","start":"16:49","end":"18:09","startHours":16.811602005746572,"endHours":18.157048056979363,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:09","end":"19:49","startHours":18.157048056979363,"endHours":19.811602005746572,"quality":"inauspicious"},{"name":"Śubha","start":"19:49","end":"21:28","startHours":19.811602005746572,"endHours":21.46615595451378,"quality":"auspicious"},{"name":"Roga","start":"21:28","end":"23:07","startHours":21.46615595451378,"endHours":23.120709903280986,"quality":"inauspicious"},{"name":"Udveg","start":"23:07","end":"00:47","startHours":23.120709903280986,"endHours":24.775263852048194,"quality":"inauspicious"},{"name":"Chala","start":"00:47","end":"02:26","startHours":24.775263852048194,"endHours":26.429817800815403,"quality":"neutral"},{"name":"Labha","start":"02:26","end":"04:05","startHours":26.429817800815403,"endHours":28.08437174958261,"quality":"auspicious"},{"name":"Amṛta","start":"04:05","end":"05:44","startHours":28.08437174958261,"endHours":29.738925698349817,"quality":"auspicious"},{"name":"Kāla","start":"05:44","end":"07:24","startHours":29.738925698349817,"endHours":31.393479647117026,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:24","end":"08:24","startHours":7.393479647117025,"endHours":8.393479647117026,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:24","end":"09:24","startHours":8.393479647117026,"endHours":9.393479647117026,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:24","end":"10:24","startHours":9.393479647117026,"endHours":10.393479647117026,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:24","end":"11:24","startHours":10.393479647117026,"endHours":11.393479647117026,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:24","end":"12:24","startHours":11.393479647117026,"endHours":12.393479647117026,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:24","end":"13:24","startHours":12.393479647117026,"endHours":13.393479647117026,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:24","end":"14:24","startHours":13.393479647117026,"endHours":14.393479647117026,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:24","end":"15:24","startHours":14.393479647117026,"endHours":15.393479647117026,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:24","end":"16:24","startHours":15.393479647117026,"endHours":16.393479647117026,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:24","end":"17:24","startHours":16.393479647117026,"endHours":17.393479647117026,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:24","end":"18:24","startHours":17.393479647117026,"endHours":18.393479647117026,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:24","end":"19:24","startHours":18.393479647117026,"endHours":19.393479647117026,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:24","end":"20:24","startHours":19.393479647117026,"endHours":20.393479647117026,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:24","end":"21:24","startHours":20.393479647117026,"endHours":21.393479647117026,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:24","end":"22:24","startHours":21.393479647117026,"endHours":22.393479647117026,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:24","end":"23:24","startHours":22.393479647117026,"endHours":23.393479647117026,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:24","end":"00:24","startHours":23.393479647117026,"endHours":24.393479647117026,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:24","end":"01:24","startHours":24.393479647117026,"endHours":25.393479647117026,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:24","end":"02:24","startHours":25.393479647117026,"endHours":26.393479647117026,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:24","end":"03:24","startHours":26.393479647117026,"endHours":27.393479647117026,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:24","end":"04:24","startHours":27.393479647117026,"endHours":28.393479647117026,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:24","end":"05:24","startHours":28.393479647117026,"endHours":29.393479647117026,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:24","end":"06:24","startHours":29.393479647117026,"endHours":30.393479647117026,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:24","end":"07:24","startHours":30.393479647117026,"endHours":31.393479647117026,"planetary_lord":"Saturn"}],"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","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"North","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.3168224465499,"eotMinutes":3.253368877108411,"ayanamsa":23.3495}},"calendars":{"vikram_samvat":2020,"vikram_samvatsara":"Nala","saka_samvat":1885,"saka_samvatsara":"Śobhana","bengali_samvat":1370,"malayalam_era":1139,"nanakshahi_year":494,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla 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":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Pratipada · Vikram 2020 Nala · Śaka 1885 Śobhana"},"festivals":[],"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":[]},"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 17, 1963 CE · Jamnagar, Gujarat · Vidhyamitra","description":"December 17, 1963 CE for Jamnagar, Gujarat: Śukla Pratipada, sūryodaya 07:24, sūryāsta 18:09.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/1963-12-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/1963-12-17","sa":"https://sa.vidhyamitra.com/city/jamnagar/1963-12-17","hi":"https://hi.vidhyamitra.com/city/jamnagar/1963-12-17","x-default":"https://vidhyamitra.com/city/jamnagar/1963-12-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T08:42:08.574Z","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":"2026-06-02T08:42:08.574Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T08:42:08.574Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}