{"id":"vidhyamitra:city-day:jamnagar:1983-01-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/1983-01-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1983-01-13","date_display":"January 13, 1983 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":1983,"month":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445347.770833,"kali_year":5084,"ahargana":1856882.2708,"sun":{"sidereal_longitude":268.5708,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":255.9621,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":347.3914,"elapsed_within_tithi_degrees":11.3914},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1,"moon_longitude":255.9621,"elapsed_within_degrees":2.6288},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":164.5329},"karana":{"half_tithi_index":57,"name":"Śakuni"},"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":1983,"month":1,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2445347.770833,"ahargana":1856882.2708,"kali_year":5084,"ayanamsa_lahiri":23.616,"grahas":{"sun":{"sidereal_longitude":268.6609900000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":255.97379,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false,"latitude":-0.1977},"mars":{"sidereal_longitude":303.08969,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":275.86669000000006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":220.57498999999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":285.77309,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":189.69169,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":73.4413,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":253.4413,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"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":1983,"month":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445347.770833,"kali_year":5084,"ahargana":1856882.2708,"sun":{"sidereal_longitude":268.5708,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":255.9621,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":347.3914,"elapsed_within_tithi_degrees":11.3914},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1,"moon_longitude":255.9621,"elapsed_within_degrees":2.6288},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":164.5329},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.198,"elongation":12.609},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.198,"opposition_distance":167.391}},"eclipse_window_40days":[{"offset_days":1,"type":"solar","occurs":true,"moon_latitude":-1.179,"elongation":1.007}]},"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":"07:32","sunsetLocal":"18:25","solarNoonLocal":"12:58","dayLengthHours":10.874453874514131,"dayLengthDisplay":"10 Hours 52 Mins 28 Secs","nightLengthDisplay":"13 Hours 07 Mins 32 Secs","moonriseLocal":"06:45","moonsetLocal":"17:30","rahuKala":{"name":"Rāhu Kāla","start":"14:20","end":"15:42","startHours":14.332725592503827,"endHours":15.692032326818094,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:32","end":"08:54","startHours":7.536191920932496,"endHours":8.895498655246762,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:15","end":"11:37","startHours":10.254805389561028,"endHours":11.614112123875294,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"10:04","end":"10:26","startHours":10.07356449165246,"endHours":10.436046287469598,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:59","end":"08:17","startHours":7.989294165703918,"endHours":8.279279602357628,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:37","end":"13:20","startHours":12.610937062372424,"endHours":13.335900654006698,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:05","end":"06:49","startHours":6.086264737663946,"endHours":6.8112283292982205,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:38","end":"07:32","startHours":6.629987431389652,"endHours":7.536191920932496,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:47","end":"15:31","startHours":14.78582783727525,"endHours":15.510791428909524,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:13","end":"18:37","startHours":18.210645795446627,"endHours":18.610645795446626,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:25","end":"18:52","startHours":18.410645795446626,"endHours":18.86374804021805,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:10","end":"19:55","startHours":18.160645795446626,"endHours":19.910645795446626,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:37","end":"01:20","startHours":24.61093706237242,"endHours":25.3359006540067,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:32","end":"08:54","startHours":7.536191920932496,"endHours":8.895498655246762,"quality":"auspicious"},{"name":"Roga","start":"08:54","end":"10:15","startHours":8.895498655246762,"endHours":10.254805389561028,"quality":"inauspicious"},{"name":"Udveg","start":"10:15","end":"11:37","startHours":10.254805389561028,"endHours":11.614112123875294,"quality":"inauspicious"},{"name":"Chala","start":"11:37","end":"12:58","startHours":11.614112123875294,"endHours":12.97341885818956,"quality":"neutral"},{"name":"Labha","start":"12:58","end":"14:20","startHours":12.97341885818956,"endHours":14.332725592503827,"quality":"auspicious"},{"name":"Amṛta","start":"14:20","end":"15:42","startHours":14.332725592503827,"endHours":15.692032326818094,"quality":"auspicious"},{"name":"Kāla","start":"15:42","end":"17:03","startHours":15.692032326818094,"endHours":17.05133906113236,"quality":"inauspicious"},{"name":"Śubha","start":"17:03","end":"18:25","startHours":17.05133906113236,"endHours":18.410645795446626,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:25","end":"20:03","startHours":18.410645795446626,"endHours":20.05133906113236,"quality":"auspicious"},{"name":"Kāla","start":"20:03","end":"21:42","startHours":20.05133906113236,"endHours":21.692032326818094,"quality":"inauspicious"},{"name":"Śubha","start":"21:42","end":"23:20","startHours":21.692032326818094,"endHours":23.332725592503827,"quality":"auspicious"},{"name":"Roga","start":"23:20","end":"00:58","startHours":23.332725592503827,"endHours":24.97341885818956,"quality":"inauspicious"},{"name":"Udveg","start":"00:58","end":"02:37","startHours":24.97341885818956,"endHours":26.614112123875294,"quality":"inauspicious"},{"name":"Chala","start":"02:37","end":"04:15","startHours":26.614112123875294,"endHours":28.254805389561028,"quality":"neutral"},{"name":"Labha","start":"04:15","end":"05:54","startHours":28.254805389561028,"endHours":29.89549865524676,"quality":"auspicious"},{"name":"Amṛta","start":"05:54","end":"07:32","startHours":29.89549865524676,"endHours":31.536191920932495,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:32","end":"08:32","startHours":7.536191920932496,"endHours":8.536191920932495,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:32","end":"09:32","startHours":8.536191920932495,"endHours":9.536191920932495,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:32","end":"10:32","startHours":9.536191920932495,"endHours":10.536191920932495,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:32","end":"11:32","startHours":10.536191920932495,"endHours":11.536191920932495,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:32","end":"12:32","startHours":11.536191920932495,"endHours":12.536191920932495,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:32","end":"13:32","startHours":12.536191920932495,"endHours":13.536191920932495,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:32","end":"14:32","startHours":13.536191920932495,"endHours":14.536191920932495,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:32","end":"15:32","startHours":14.536191920932495,"endHours":15.536191920932495,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:32","end":"16:32","startHours":15.536191920932495,"endHours":16.536191920932495,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:32","end":"17:32","startHours":16.536191920932495,"endHours":17.536191920932495,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:32","end":"18:32","startHours":17.536191920932495,"endHours":18.536191920932495,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:32","end":"19:32","startHours":18.536191920932495,"endHours":19.536191920932495,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:32","end":"20:32","startHours":19.536191920932495,"endHours":20.536191920932495,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:32","end":"21:32","startHours":20.536191920932495,"endHours":21.536191920932495,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:32","end":"22:32","startHours":21.536191920932495,"endHours":22.536191920932495,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:32","end":"23:32","startHours":22.536191920932495,"endHours":23.536191920932495,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:32","end":"00:32","startHours":23.536191920932495,"endHours":24.536191920932495,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:32","end":"01:32","startHours":24.536191920932495,"endHours":25.536191920932495,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:32","end":"02:32","startHours":25.536191920932495,"endHours":26.536191920932495,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:32","end":"03:32","startHours":26.536191920932495,"endHours":27.536191920932495,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:32","end":"04:32","startHours":27.536191920932495,"endHours":28.536191920932495,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:32","end":"05:32","startHours":28.536191920932495,"endHours":29.536191920932495,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:32","end":"06:32","startHours":29.536191920932495,"endHours":30.536191920932495,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:32","end":"07:32","startHours":30.536191920932495,"endHours":31.536191920932495,"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":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-21.595191398898816,"eotMinutes":-8.635931491373626,"ayanamsa":23.616}},"calendars":{"vikram_samvat":2040,"vikram_samvatsara":"Dhātṛ","saka_samvat":1905,"saka_samvatsara":"Rudhirodgāri","bengali_samvat":1390,"malayalam_era":1159,"nanakshahi_year":514,"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":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Caturdaśī · Vikram 2040 Dhātṛ · Śaka 1905 Rudhirodgāri"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi_eve_of_ingress":"Makara"},"precedence":4},{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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 January 13, 1983 CE · Jamnagar, Gujarat · Vidhyamitra","description":"January 13, 1983 CE for Jamnagar, Gujarat: Kṛṣṇa Caturdaśī, sūryodaya 07:32, sūryāsta 18:25.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/1983-01-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/1983-01-13","sa":"https://sa.vidhyamitra.com/city/jamnagar/1983-01-13","hi":"https://hi.vidhyamitra.com/city/jamnagar/1983-01-13","x-default":"https://vidhyamitra.com/city/jamnagar/1983-01-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T08:06:28.498Z","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":"2026-05-31T08:06:28.498Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T08:06:28.498Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}