{"id":"vidhyamitra:city-day:jamnagar:1981-12-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/1981-12-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-12-23","date_display":"December 23, 1981 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":1981,"month":12,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444961.770833,"kali_year":5083,"ahargana":1856496.2708,"sun":{"sidereal_longitude":247.2515,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":208.8263,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":321.5748,"elapsed_within_tithi_degrees":9.5748},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":208.8263,"elapsed_within_degrees":8.8263},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":96.0777},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1981,"month":12,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444961.770833,"ahargana":1856496.2708,"kali_year":5083,"ayanamsa_lahiri":23.6012,"grahas":{"sun":{"sidereal_longitude":247.52203799999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"moon":{"sidereal_longitude":210.95143800000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false,"latitude":4.0799},"mars":{"sidereal_longitude":159.83463800000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":254.835738,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":191.50853800000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":284.06103800000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":true},"saturn":{"sidereal_longitude":177.02373799999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":93.8935,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":273.8935,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara 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":1981,"month":12,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444961.770833,"kali_year":5083,"ahargana":1856496.2708,"sun":{"sidereal_longitude":247.2515,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":208.8263,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":321.5748,"elapsed_within_tithi_degrees":9.5748},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":208.8263,"elapsed_within_degrees":8.8263},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":96.0777},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.08,"elongation":38.425},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.08,"opposition_distance":141.575}},"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":"07:27","sunsetLocal":"18:12","solarNoonLocal":"12:49","dayLengthHours":10.756062624251392,"dayLengthDisplay":"10 Hours 45 Mins 22 Secs","nightLengthDisplay":"13 Hours 14 Mins 38 Secs","moonriseLocal":"04:53","moonsetLocal":"15:53","rahuKala":{"name":"Rāhu Kāla","start":"12:49","end":"14:10","startHours":12.822095138471546,"endHours":14.166602966502971,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:47","end":"10:08","startHours":8.788571654377275,"endHours":10.1330794824087,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:29","end":"12:49","startHours":11.477587310440123,"endHours":12.822095138471546,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:57","end":"10:19","startHours":9.95381177200451,"endHours":10.31234719281289,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:54","end":"08:11","startHours":7.892233102356326,"endHours":8.17906143900303,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:28","end":"13:11","startHours":12.463559717663166,"endHours":13.180630559279926,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:01","end":"06:44","startHours":6.009922143112332,"endHours":6.726992984729092,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:33","end":"07:27","startHours":6.547725274324902,"endHours":7.444063826345851,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:37","end":"15:20","startHours":14.614772242513446,"endHours":15.331843084130206,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:00","end":"18:24","startHours":18.000126450597243,"endHours":18.40012645059724,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:12","end":"18:39","startHours":18.200126450597242,"endHours":18.648295726607717,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:57","end":"19:42","startHours":17.950126450597242,"endHours":19.700126450597242,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:28","end":"01:11","startHours":24.463559717663166,"endHours":25.180630559279926,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:27","end":"08:47","startHours":7.444063826345851,"endHours":8.788571654377275,"quality":"auspicious"},{"name":"Amṛta","start":"08:47","end":"10:08","startHours":8.788571654377275,"endHours":10.1330794824087,"quality":"auspicious"},{"name":"Kāla","start":"10:08","end":"11:29","startHours":10.1330794824087,"endHours":11.477587310440123,"quality":"inauspicious"},{"name":"Śubha","start":"11:29","end":"12:49","startHours":11.477587310440123,"endHours":12.822095138471546,"quality":"auspicious"},{"name":"Roga","start":"12:49","end":"14:10","startHours":12.822095138471546,"endHours":14.166602966502971,"quality":"inauspicious"},{"name":"Udveg","start":"14:10","end":"15:31","startHours":14.166602966502971,"endHours":15.511110794534396,"quality":"inauspicious"},{"name":"Chala","start":"15:31","end":"16:51","startHours":15.511110794534396,"endHours":16.855618622565817,"quality":"neutral"},{"name":"Labha","start":"16:51","end":"18:12","startHours":16.855618622565817,"endHours":18.200126450597242,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:12","end":"19:51","startHours":18.200126450597242,"endHours":19.855618622565817,"quality":"inauspicious"},{"name":"Chala","start":"19:51","end":"21:31","startHours":19.855618622565817,"endHours":21.511110794534396,"quality":"neutral"},{"name":"Labha","start":"21:31","end":"23:10","startHours":21.511110794534396,"endHours":23.16660296650297,"quality":"auspicious"},{"name":"Amṛta","start":"23:10","end":"00:49","startHours":23.16660296650297,"endHours":24.822095138471546,"quality":"auspicious"},{"name":"Kāla","start":"00:49","end":"02:29","startHours":24.822095138471546,"endHours":26.47758731044012,"quality":"inauspicious"},{"name":"Śubha","start":"02:29","end":"04:08","startHours":26.47758731044012,"endHours":28.133079482408696,"quality":"auspicious"},{"name":"Roga","start":"04:08","end":"05:47","startHours":28.133079482408696,"endHours":29.788571654377275,"quality":"inauspicious"},{"name":"Udveg","start":"05:47","end":"07:27","startHours":29.788571654377275,"endHours":31.44406382634585,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:27","end":"08:27","startHours":7.444063826345851,"endHours":8.44406382634585,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:27","end":"09:27","startHours":8.44406382634585,"endHours":9.44406382634585,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:27","end":"10:27","startHours":9.44406382634585,"endHours":10.44406382634585,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:27","end":"11:27","startHours":10.44406382634585,"endHours":11.44406382634585,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:27","end":"12:27","startHours":11.44406382634585,"endHours":12.44406382634585,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:27","end":"13:27","startHours":12.44406382634585,"endHours":13.44406382634585,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:27","end":"14:27","startHours":13.44406382634585,"endHours":14.44406382634585,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:27","end":"15:27","startHours":14.44406382634585,"endHours":15.44406382634585,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:27","end":"16:27","startHours":15.44406382634585,"endHours":16.44406382634585,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:27","end":"17:27","startHours":16.44406382634585,"endHours":17.44406382634585,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:27","end":"18:27","startHours":17.44406382634585,"endHours":18.44406382634585,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:27","end":"19:27","startHours":18.44406382634585,"endHours":19.44406382634585,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:27","end":"20:27","startHours":19.44406382634585,"endHours":20.44406382634585,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:27","end":"21:27","startHours":20.44406382634585,"endHours":21.44406382634585,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:27","end":"22:27","startHours":21.44406382634585,"endHours":22.44406382634585,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:27","end":"23:27","startHours":22.44406382634585,"endHours":23.44406382634585,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:27","end":"00:27","startHours":23.44406382634585,"endHours":24.44406382634585,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:27","end":"01:27","startHours":24.44406382634585,"endHours":25.44406382634585,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:27","end":"02:27","startHours":25.44406382634585,"endHours":26.44406382634585,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:27","end":"03:27","startHours":26.44406382634585,"endHours":27.44406382634585,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:27","end":"04:27","startHours":27.44406382634585,"endHours":28.44406382634585,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:27","end":"05:27","startHours":28.44406382634585,"endHours":29.44406382634585,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:27","end":"06:27","startHours":29.44406382634585,"endHours":30.44406382634585,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:27","end":"07:27","startHours":30.44406382634585,"endHours":31.44406382634585,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"North-East","rahuVasa":"South-West","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-23.431727417095104,"eotMinutes":0.4434916917071845,"ayanamsa":23.6012}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Dvādaśī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":5}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","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 23, 1981 CE · Jamnagar, Gujarat · Vidhyamitra","description":"December 23, 1981 CE for Jamnagar, Gujarat: Kṛṣṇa Dvādaśī, sūryodaya 07:27, sūryāsta 18:12.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/1981-12-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/1981-12-23","sa":"https://sa.vidhyamitra.com/city/jamnagar/1981-12-23","hi":"https://hi.vidhyamitra.com/city/jamnagar/1981-12-23","x-default":"https://vidhyamitra.com/city/jamnagar/1981-12-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T21:27:42.246Z","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":"2026-05-18T21:27:42.246Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T21:27:42.246Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}