{"id":"vidhyamitra:city-day:jamnagar:1981-12-24:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/1981-12-24","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-12-24","date_display":"December 24, 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":24,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444962.770833,"kali_year":5083,"ahargana":1856497.2708,"sun":{"sidereal_longitude":248.279,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":221.2253,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":332.9463,"elapsed_within_tithi_degrees":8.9463},"nakshatra":{"number":17,"name":"Anurādhā","pada":3,"moon_longitude":221.2253,"elapsed_within_degrees":7.892},"yoga":{"number":9,"name":"Śūla","sum_longitude":109.5044},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"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":1981,"month":12,"day":24,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444962.770833,"ahargana":1856497.2708,"kali_year":5083,"ayanamsa_lahiri":23.6013,"grahas":{"sun":{"sidereal_longitude":248.54070000000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"moon":{"sidereal_longitude":222.77909999999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false,"latitude":3.5742},"mars":{"sidereal_longitude":160.2776,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":256.4388,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":191.67020000000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":284.3681,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":true},"saturn":{"sidereal_longitude":177.08899999999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":93.8405,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":273.8405,"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":24,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444962.770833,"kali_year":5083,"ahargana":1856497.2708,"sun":{"sidereal_longitude":248.279,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":221.2253,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":332.9463,"elapsed_within_tithi_degrees":8.9463},"nakshatra":{"number":17,"name":"Anurādhā","pada":3,"moon_longitude":221.2253,"elapsed_within_degrees":7.892},"yoga":{"number":9,"name":"Śūla","sum_longitude":109.5044},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.574,"elongation":27.054},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.574,"opposition_distance":152.946}},"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":"18:13","solarNoonLocal":"12:50","dayLengthHours":10.756885110307381,"dayLengthDisplay":"10 Hours 45 Mins 25 Secs","nightLengthDisplay":"13 Hours 14 Mins 35 Secs","moonriseLocal":"05:41","moonsetLocal":"16:32","rahuKala":{"name":"Rāhu Kāla","start":"14:10","end":"15:31","startHours":14.174521908855343,"endHours":15.519132547643768,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:27","end":"08:48","startHours":7.451468714913231,"endHours":8.796079353701654,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:08","end":"11:29","startHours":10.140689992490076,"endHours":11.485300631278498,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:58","end":"10:19","startHours":9.961408573984954,"endHours":10.3199714109952,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:54","end":"08:11","startHours":7.899672261176039,"endHours":8.186522530784236,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:28","end":"13:11","startHours":12.471348433056676,"endHours":13.18847410707717,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:01","end":"06:44","startHours":6.017217366872247,"endHours":6.734343040892739,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:33","end":"07:27","startHours":6.5550616223876155,"endHours":7.451468714913231,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:37","end":"15:20","startHours":14.622725455118152,"endHours":15.339851129138644,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:01","end":"18:25","startHours":18.008353825220613,"endHours":18.408353825220612,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:13","end":"18:39","startHours":18.208353825220613,"endHours":18.65655737148342,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:58","end":"19:43","startHours":17.958353825220613,"endHours":19.708353825220613,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:28","end":"01:11","startHours":24.471348433056676,"endHours":25.18847410707717,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:27","end":"08:48","startHours":7.451468714913231,"endHours":8.796079353701654,"quality":"auspicious"},{"name":"Roga","start":"08:48","end":"10:08","startHours":8.796079353701654,"endHours":10.140689992490076,"quality":"inauspicious"},{"name":"Udveg","start":"10:08","end":"11:29","startHours":10.140689992490076,"endHours":11.485300631278498,"quality":"inauspicious"},{"name":"Chala","start":"11:29","end":"12:50","startHours":11.485300631278498,"endHours":12.829911270066923,"quality":"neutral"},{"name":"Labha","start":"12:50","end":"14:10","startHours":12.829911270066923,"endHours":14.174521908855343,"quality":"auspicious"},{"name":"Amṛta","start":"14:10","end":"15:31","startHours":14.174521908855343,"endHours":15.519132547643768,"quality":"auspicious"},{"name":"Kāla","start":"15:31","end":"16:52","startHours":15.519132547643768,"endHours":16.86374318643219,"quality":"inauspicious"},{"name":"Śubha","start":"16:52","end":"18:13","startHours":16.86374318643219,"endHours":18.208353825220613,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:13","end":"19:52","startHours":18.208353825220613,"endHours":19.86374318643219,"quality":"auspicious"},{"name":"Kāla","start":"19:52","end":"21:31","startHours":19.86374318643219,"endHours":21.519132547643768,"quality":"inauspicious"},{"name":"Śubha","start":"21:31","end":"23:10","startHours":21.519132547643768,"endHours":23.174521908855343,"quality":"auspicious"},{"name":"Roga","start":"23:10","end":"00:50","startHours":23.174521908855343,"endHours":24.829911270066923,"quality":"inauspicious"},{"name":"Udveg","start":"00:50","end":"02:29","startHours":24.829911270066923,"endHours":26.4853006312785,"quality":"inauspicious"},{"name":"Chala","start":"02:29","end":"04:08","startHours":26.4853006312785,"endHours":28.140689992490074,"quality":"neutral"},{"name":"Labha","start":"04:08","end":"05:48","startHours":28.140689992490074,"endHours":29.796079353701654,"quality":"auspicious"},{"name":"Amṛta","start":"05:48","end":"07:27","startHours":29.796079353701654,"endHours":31.451468714913233,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:27","end":"08:27","startHours":7.451468714913231,"endHours":8.451468714913231,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:27","end":"09:27","startHours":8.451468714913231,"endHours":9.451468714913231,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:27","end":"10:27","startHours":9.451468714913231,"endHours":10.451468714913231,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:27","end":"11:27","startHours":10.451468714913231,"endHours":11.451468714913231,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:27","end":"12:27","startHours":11.451468714913231,"endHours":12.451468714913231,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:27","end":"13:27","startHours":12.451468714913231,"endHours":13.451468714913231,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:27","end":"14:27","startHours":13.451468714913231,"endHours":14.451468714913231,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:27","end":"15:27","startHours":14.451468714913231,"endHours":15.451468714913231,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:27","end":"16:27","startHours":15.451468714913231,"endHours":16.451468714913233,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:27","end":"17:27","startHours":16.451468714913233,"endHours":17.451468714913233,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:27","end":"18:27","startHours":17.451468714913233,"endHours":18.451468714913233,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:27","end":"19:27","startHours":18.451468714913233,"endHours":19.451468714913233,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:27","end":"20:27","startHours":19.451468714913233,"endHours":20.451468714913233,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:27","end":"21:27","startHours":20.451468714913233,"endHours":21.451468714913233,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:27","end":"22:27","startHours":21.451468714913233,"endHours":22.451468714913233,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:27","end":"23:27","startHours":22.451468714913233,"endHours":23.451468714913233,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:27","end":"00:27","startHours":23.451468714913233,"endHours":24.451468714913233,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:27","end":"01:27","startHours":24.451468714913233,"endHours":25.451468714913233,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:27","end":"02:27","startHours":25.451468714913233,"endHours":26.451468714913233,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:27","end":"03:27","startHours":26.451468714913233,"endHours":27.451468714913233,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:27","end":"04:27","startHours":27.451468714913233,"endHours":28.451468714913233,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:27","end":"05:27","startHours":28.451468714913233,"endHours":29.451468714913233,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:27","end":"06:27","startHours":29.451468714913233,"endHours":30.451468714913233,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:27","end":"07:27","startHours":30.451468714913233,"endHours":31.451468714913233,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara 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":"South (Dakṣiṇa)","chandraVasa":"North-East","rahuVasa":"North-West","anandadiYoga":{"name":"Saumya","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":-23.41914632326938,"eotMinutes":-0.025476204015291604,"ayanamsa":23.6013}},"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 Trayodaśī · 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},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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 24, 1981 CE · Jamnagar, Gujarat · Vidhyamitra","description":"December 24, 1981 CE for Jamnagar, Gujarat: Kṛṣṇa Trayodaśī, sūryodaya 07:27, sūryāsta 18:13.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/1981-12-24","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/1981-12-24","sa":"https://sa.vidhyamitra.com/city/jamnagar/1981-12-24","hi":"https://hi.vidhyamitra.com/city/jamnagar/1981-12-24","x-default":"https://vidhyamitra.com/city/jamnagar/1981-12-24"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T15:01:49.977Z","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":"2026-05-19T15:01:49.977Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T15:01:49.977Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}