{"id":"vidhyamitra:city-day:jamnagar:2172-12-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/2172-12-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2172-12-17","date_display":"December 17, 2172 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":2172,"month":12,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514717.770833,"kali_year":5274,"ahargana":1926252.2708,"sun":{"sidereal_longitude":238.6036,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":257.4157,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":18.8121,"elapsed_within_tithi_degrees":6.8121},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2,"moon_longitude":257.4157,"elapsed_within_degrees":4.0823},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":136.0193},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2172,"month":12,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2514717.770833,"ahargana":1926252.2708,"kali_year":5274,"ayanamsa_lahiri":26.2691,"grahas":{"sun":{"sidereal_longitude":239.40064600000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":260.341046,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false,"latitude":-4.4249},"mars":{"sidereal_longitude":283.318846,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":243.34844599999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":216.92794600000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":224.41234599999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":326.736346,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":357.8849,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":177.8849,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"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":2172,"month":12,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514717.770833,"kali_year":5274,"ahargana":1926252.2708,"sun":{"sidereal_longitude":238.6036,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":257.4157,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":18.8121,"elapsed_within_tithi_degrees":6.8121},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2,"moon_longitude":257.4157,"elapsed_within_degrees":4.0823},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":136.0193},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.425,"elongation":18.812},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.425,"opposition_distance":161.188}},"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":10.760382667313621,"dayLengthDisplay":"10 Hours 45 Mins 37 Secs","nightLengthDisplay":"13 Hours 14 Mins 23 Secs","moonriseLocal":"08:47","moonsetLocal":"19:34","rahuKala":{"name":"Rāhu Kāla","start":"14:07","end":"15:28","startHours":14.120311685462397,"endHours":15.4653595188766,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:24","end":"08:44","startHours":7.395072518391384,"endHours":8.740120351805587,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:05","end":"11:26","startHours":10.08516818521979,"endHours":11.430216018633992,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:54","end":"10:16","startHours":9.905828474097895,"endHours":10.264507896341684,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:51","end":"08:08","startHours":7.843421796196118,"endHours":8.130365333991149,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:25","end":"13:08","startHours":12.416584429804407,"endHours":13.133943274291981,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:58","end":"06:41","startHours":5.960354829416234,"endHours":6.677713673903809,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:30","end":"07:24","startHours":6.4983739627819155,"endHours":7.395072518391384,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:34","end":"15:17","startHours":14.568660963267131,"endHours":15.286019807754705,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:57","end":"18:21","startHours":17.955455185705006,"endHours":18.355455185705004,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:09","end":"18:36","startHours":18.155455185705005,"endHours":18.60380446350974,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:54","end":"19:39","startHours":17.905455185705005,"endHours":19.655455185705005,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:25","end":"01:08","startHours":24.416584429804406,"endHours":25.133943274291983,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:24","end":"08:44","startHours":7.395072518391384,"endHours":8.740120351805587,"quality":"auspicious"},{"name":"Roga","start":"08:44","end":"10:05","startHours":8.740120351805587,"endHours":10.08516818521979,"quality":"inauspicious"},{"name":"Udveg","start":"10:05","end":"11:26","startHours":10.08516818521979,"endHours":11.430216018633992,"quality":"inauspicious"},{"name":"Chala","start":"11:26","end":"12:47","startHours":11.430216018633992,"endHours":12.775263852048194,"quality":"neutral"},{"name":"Labha","start":"12:47","end":"14:07","startHours":12.775263852048194,"endHours":14.120311685462397,"quality":"auspicious"},{"name":"Amṛta","start":"14:07","end":"15:28","startHours":14.120311685462397,"endHours":15.4653595188766,"quality":"auspicious"},{"name":"Kāla","start":"15:28","end":"16:49","startHours":15.4653595188766,"endHours":16.810407352290802,"quality":"inauspicious"},{"name":"Śubha","start":"16:49","end":"18:09","startHours":16.810407352290802,"endHours":18.155455185705005,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:09","end":"19:49","startHours":18.155455185705005,"endHours":19.810407352290802,"quality":"auspicious"},{"name":"Kāla","start":"19:49","end":"21:28","startHours":19.810407352290802,"endHours":21.4653595188766,"quality":"inauspicious"},{"name":"Śubha","start":"21:28","end":"23:07","startHours":21.4653595188766,"endHours":23.120311685462397,"quality":"auspicious"},{"name":"Roga","start":"23:07","end":"00:47","startHours":23.120311685462397,"endHours":24.775263852048194,"quality":"inauspicious"},{"name":"Udveg","start":"00:47","end":"02:26","startHours":24.775263852048194,"endHours":26.430216018633992,"quality":"inauspicious"},{"name":"Chala","start":"02:26","end":"04:05","startHours":26.430216018633992,"endHours":28.08516818521979,"quality":"neutral"},{"name":"Labha","start":"04:05","end":"05:44","startHours":28.08516818521979,"endHours":29.740120351805587,"quality":"auspicious"},{"name":"Amṛta","start":"05:44","end":"07:24","startHours":29.740120351805587,"endHours":31.395072518391384,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:24","end":"08:24","startHours":7.395072518391384,"endHours":8.395072518391384,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:24","end":"09:24","startHours":8.395072518391384,"endHours":9.395072518391384,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:24","end":"10:24","startHours":9.395072518391384,"endHours":10.395072518391384,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:24","end":"11:24","startHours":10.395072518391384,"endHours":11.395072518391384,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:24","end":"12:24","startHours":11.395072518391384,"endHours":12.395072518391384,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:24","end":"13:24","startHours":12.395072518391384,"endHours":13.395072518391384,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:24","end":"14:24","startHours":13.395072518391384,"endHours":14.395072518391384,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:24","end":"15:24","startHours":14.395072518391384,"endHours":15.395072518391384,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:24","end":"16:24","startHours":15.395072518391384,"endHours":16.395072518391384,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:24","end":"17:24","startHours":16.395072518391384,"endHours":17.395072518391384,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:24","end":"18:24","startHours":17.395072518391384,"endHours":18.395072518391384,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:24","end":"19:24","startHours":18.395072518391384,"endHours":19.395072518391384,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:24","end":"20:24","startHours":19.395072518391384,"endHours":20.395072518391384,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:24","end":"21:24","startHours":20.395072518391384,"endHours":21.395072518391384,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:24","end":"22:24","startHours":21.395072518391384,"endHours":22.395072518391384,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:24","end":"23:24","startHours":22.395072518391384,"endHours":23.395072518391384,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:24","end":"00:24","startHours":23.395072518391384,"endHours":24.395072518391384,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:24","end":"01:24","startHours":24.395072518391384,"endHours":25.395072518391384,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:24","end":"02:24","startHours":25.395072518391384,"endHours":26.395072518391384,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:24","end":"03:24","startHours":26.395072518391384,"endHours":27.395072518391384,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:24","end":"04:24","startHours":27.395072518391384,"endHours":28.395072518391384,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:24","end":"05:24","startHours":28.395072518391384,"endHours":29.395072518391384,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:24","end":"06:24","startHours":29.395072518391384,"endHours":30.395072518391384,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:24","end":"07:24","startHours":30.395072518391384,"endHours":31.395072518391384,"planetary_lord":"Moon"}],"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","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"East","rahuVasa":"North-West","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":-23.365618101482536,"eotMinutes":3.253368877108411,"ayanamsa":26.2691}},"calendars":{"vikram_samvat":2229,"vikram_samvatsara":"Pārthiva","saka_samvat":2094,"saka_samvatsara":"Aṅgirasa","bengali_samvat":1579,"malayalam_era":1348,"nanakshahi_year":703,"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":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Dvitīyā · Vikram 2229 Pārthiva · Śaka 2094 Aṅgirasa"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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, 2172 CE · Jamnagar, Gujarat · Vidhyamitra","description":"December 17, 2172 CE for Jamnagar, Gujarat: Śukla Dvitīyā, sūryodaya 07:24, sūryāsta 18:09.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/2172-12-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/2172-12-17","sa":"https://sa.vidhyamitra.com/city/jamnagar/2172-12-17","hi":"https://hi.vidhyamitra.com/city/jamnagar/2172-12-17","x-default":"https://vidhyamitra.com/city/jamnagar/2172-12-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T22:33:34.968Z","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":"2026-06-01T22:33:34.968Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T22:33:34.968Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}