{"id":"vidhyamitra:city-day:jamnagar:1983-08-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/1983-08-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1983-08-18","date_display":"August 18, 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":8,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445564.770833,"kali_year":5085,"ahargana":1857099.2708,"sun":{"sidereal_longitude":120.3444,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":236.7448,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":116.4003,"elapsed_within_tithi_degrees":8.4003},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4,"moon_longitude":236.7448,"elapsed_within_degrees":10.0781},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":357.0892},"karana":{"half_tithi_index":19,"name":"Gara"},"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":8,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2445564.770833,"ahargana":1857099.2708,"kali_year":5085,"ayanamsa_lahiri":23.6243,"grahas":{"sun":{"sidereal_longitude":120.93119899999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":239.74749900000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false,"latitude":0.4073},"mars":{"sidereal_longitude":99.446799,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":148.51749900000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":218.86429900000007,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":132.17379900000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":true},"saturn":{"sidereal_longitude":185.54469900000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":61.9436,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":241.9436,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":8,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445564.770833,"kali_year":5085,"ahargana":1857099.2708,"sun":{"sidereal_longitude":120.3444,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":236.7448,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":116.4003,"elapsed_within_tithi_degrees":8.4003},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4,"moon_longitude":236.7448,"elapsed_within_degrees":10.0781},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":357.0892},"karana":{"half_tithi_index":19,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.407,"elongation":116.4},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.407,"opposition_distance":63.6}},"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":"06:27","sunsetLocal":"19:20","solarNoonLocal":"12:53","dayLengthHours":12.87442819350587,"dayLengthDisplay":"12 Hours 52 Mins 28 Secs","nightLengthDisplay":"11 Hours 07 Mins 32 Secs","moonriseLocal":"15:27","moonsetLocal":"02:10","rahuKala":{"name":"Rāhu Kāla","start":"14:30","end":"16:06","startHours":14.497591152870076,"endHours":16.10689467705831,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:27","end":"08:04","startHours":6.451073531928906,"endHours":8.06037705611714,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:40","end":"11:17","startHours":9.669680580305375,"endHours":11.278984104493608,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:27","end":"09:53","startHours":9.455106777080276,"endHours":9.884254383530472,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:59","end":"07:20","startHours":6.987508039991651,"endHours":7.330826125151807,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:28","end":"13:19","startHours":12.459140022231646,"endHours":13.317435235132036,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:44","end":"05:36","startHours":4.734483106128124,"endHours":5.592778319028515,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:23","end":"06:27","startHours":5.378204515803417,"endHours":6.451073531928906,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"15:02","end":"15:54","startHours":15.03402566093282,"endHours":15.89232087383321,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:08","end":"19:32","startHours":19.125501725434777,"endHours":19.525501725434776,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:20","end":"19:52","startHours":19.325501725434776,"endHours":19.86193623349752,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:05","end":"20:50","startHours":19.075501725434776,"endHours":20.825501725434776,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:28","end":"01:19","startHours":24.459140022231644,"endHours":25.317435235132038,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:27","end":"08:04","startHours":6.451073531928906,"endHours":8.06037705611714,"quality":"auspicious"},{"name":"Roga","start":"08:04","end":"09:40","startHours":8.06037705611714,"endHours":9.669680580305375,"quality":"inauspicious"},{"name":"Udveg","start":"09:40","end":"11:17","startHours":9.669680580305375,"endHours":11.278984104493608,"quality":"inauspicious"},{"name":"Chala","start":"11:17","end":"12:53","startHours":11.278984104493608,"endHours":12.88828762868184,"quality":"neutral"},{"name":"Labha","start":"12:53","end":"14:30","startHours":12.88828762868184,"endHours":14.497591152870076,"quality":"auspicious"},{"name":"Amṛta","start":"14:30","end":"16:06","startHours":14.497591152870076,"endHours":16.10689467705831,"quality":"auspicious"},{"name":"Kāla","start":"16:06","end":"17:43","startHours":16.10689467705831,"endHours":17.71619820124654,"quality":"inauspicious"},{"name":"Śubha","start":"17:43","end":"19:20","startHours":17.71619820124654,"endHours":19.325501725434776,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:20","end":"20:43","startHours":19.325501725434776,"endHours":20.71619820124654,"quality":"auspicious"},{"name":"Kāla","start":"20:43","end":"22:06","startHours":20.71619820124654,"endHours":22.106894677058307,"quality":"inauspicious"},{"name":"Śubha","start":"22:06","end":"23:30","startHours":22.106894677058307,"endHours":23.497591152870076,"quality":"auspicious"},{"name":"Roga","start":"23:30","end":"00:53","startHours":23.497591152870076,"endHours":24.88828762868184,"quality":"inauspicious"},{"name":"Udveg","start":"00:53","end":"02:17","startHours":24.88828762868184,"endHours":26.278984104493606,"quality":"inauspicious"},{"name":"Chala","start":"02:17","end":"03:40","startHours":26.278984104493606,"endHours":27.669680580305375,"quality":"neutral"},{"name":"Labha","start":"03:40","end":"05:04","startHours":27.669680580305375,"endHours":29.06037705611714,"quality":"auspicious"},{"name":"Amṛta","start":"05:04","end":"06:27","startHours":29.06037705611714,"endHours":30.451073531928905,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:27","end":"07:27","startHours":6.451073531928906,"endHours":7.451073531928906,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:27","end":"08:27","startHours":7.451073531928906,"endHours":8.451073531928905,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:27","end":"09:27","startHours":8.451073531928905,"endHours":9.451073531928905,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:27","end":"10:27","startHours":9.451073531928905,"endHours":10.451073531928905,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:27","end":"11:27","startHours":10.451073531928905,"endHours":11.451073531928905,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:27","end":"12:27","startHours":11.451073531928905,"endHours":12.451073531928905,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:27","end":"13:27","startHours":12.451073531928905,"endHours":13.451073531928905,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:27","end":"14:27","startHours":13.451073531928905,"endHours":14.451073531928905,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:27","end":"15:27","startHours":14.451073531928905,"endHours":15.451073531928905,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:27","end":"16:27","startHours":15.451073531928905,"endHours":16.451073531928905,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:27","end":"17:27","startHours":16.451073531928905,"endHours":17.451073531928905,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:27","end":"18:27","startHours":17.451073531928905,"endHours":18.451073531928905,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:27","end":"19:27","startHours":18.451073531928905,"endHours":19.451073531928905,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:27","end":"20:27","startHours":19.451073531928905,"endHours":20.451073531928905,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:27","end":"21:27","startHours":20.451073531928905,"endHours":21.451073531928905,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:27","end":"22:27","startHours":21.451073531928905,"endHours":22.451073531928905,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:27","end":"23:27","startHours":22.451073531928905,"endHours":23.451073531928905,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:27","end":"00:27","startHours":23.451073531928905,"endHours":24.451073531928905,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:27","end":"01:27","startHours":24.451073531928905,"endHours":25.451073531928905,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:27","end":"02:27","startHours":25.451073531928905,"endHours":26.451073531928905,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:27","end":"03:27","startHours":26.451073531928905,"endHours":27.451073531928905,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:27","end":"04:27","startHours":27.451073531928905,"endHours":28.451073531928905,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:27","end":"05:27","startHours":28.451073531928905,"endHours":29.451073531928905,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:27","end":"06:27","startHours":29.451073531928905,"endHours":30.451073531928905,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"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":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":13.335381930790163,"eotMinutes":-3.5280577209103767,"ayanamsa":23.6243}},"calendars":{"vikram_samvat":2040,"vikram_samvatsara":"Dhātṛ","saka_samvat":1905,"saka_samvatsara":"Rudhirodgāri","bengali_samvat":1390,"malayalam_era":1159,"nanakshahi_year":514,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Daśamī · Vikram 2040 Dhātṛ · Śaka 1905 Rudhirodgāri"},"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":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","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 August 18, 1983 CE · Jamnagar, Gujarat · Vidhyamitra","description":"August 18, 1983 CE for Jamnagar, Gujarat: Śukla Daśamī, sūryodaya 06:27, sūryāsta 19:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/1983-08-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/1983-08-18","sa":"https://sa.vidhyamitra.com/city/jamnagar/1983-08-18","hi":"https://hi.vidhyamitra.com/city/jamnagar/1983-08-18","x-default":"https://vidhyamitra.com/city/jamnagar/1983-08-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T13:24:28.401Z","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":"2026-05-31T13:24:28.401Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T13:24:28.401Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}