{"id":"vidhyamitra:city-day:jamnagar:2018-09-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/2018-09-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2018-09-15","date_display":"September 15, 2018 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":2018,"month":9,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458376.770833,"kali_year":5120,"ahargana":1869911.2708,"sun":{"sidereal_longitude":147.2814,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":214.4057,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":67.1244,"elapsed_within_tithi_degrees":7.1244},"nakshatra":{"number":17,"name":"Anurādhā","pada":1,"moon_longitude":214.4057,"elapsed_within_degrees":1.0724},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":1.6871},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2018,"month":9,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458376.770833,"ahargana":1869911.2708,"kali_year":5120,"ayanamsa_lahiri":24.1143,"grahas":{"sun":{"sidereal_longitude":148.05328599999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":216.03748599999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false,"latitude":4.1919},"mars":{"sidereal_longitude":276.483786,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":142.40568599999995,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":205.08068600000001,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":189.47488599999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":248.376986,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":103.1022,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":283.1022,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":2018,"month":9,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458376.770833,"kali_year":5120,"ahargana":1869911.2708,"sun":{"sidereal_longitude":147.2814,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":214.4057,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":67.1244,"elapsed_within_tithi_degrees":7.1244},"nakshatra":{"number":17,"name":"Anurādhā","pada":1,"moon_longitude":214.4057,"elapsed_within_degrees":1.0724},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":1.6871},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.192,"elongation":67.124},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.192,"opposition_distance":112.876}},"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":"06:36","sunsetLocal":"18:53","solarNoonLocal":"12:44","dayLengthHours":12.291952798946443,"dayLengthDisplay":"12 Hours 17 Mins 31 Secs","nightLengthDisplay":"11 Hours 42 Mins 29 Secs","moonriseLocal":"11:48","moonsetLocal":"22:44","rahuKala":{"name":"Rāhu Kāla","start":"09:40","end":"11:12","startHours":9.664887247206682,"endHours":11.201381347074989,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:16","end":"15:49","startHours":14.274369546811599,"endHours":15.810863646679906,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:36","end":"08:08","startHours":6.591899047470072,"endHours":8.128393147338377,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:28","end":"09:52","startHours":9.460021367224241,"endHours":9.869753127189124,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:06","end":"07:26","startHours":7.104063747426174,"endHours":7.43184915539808,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:20","end":"13:09","startHours":12.328143686978413,"endHours":13.147607206908175,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:57","end":"05:46","startHours":4.952972007610546,"endHours":5.772435527540309,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:34","end":"06:36","startHours":5.567569647557868,"endHours":6.591899047470072,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:47","end":"15:36","startHours":14.786534246767701,"endHours":15.605997766697463,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:41","end":"19:05","startHours":18.683851846416516,"endHours":19.083851846416515,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:53","end":"19:24","startHours":18.883851846416515,"endHours":19.396016546372618,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:38","end":"20:23","startHours":18.633851846416515,"endHours":20.383851846416515,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:20","end":"01:09","startHours":24.32814368697841,"endHours":25.147607206908173,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:36","end":"08:08","startHours":6.591899047470072,"endHours":8.128393147338377,"quality":"inauspicious"},{"name":"Śubha","start":"08:08","end":"09:40","startHours":8.128393147338377,"endHours":9.664887247206682,"quality":"auspicious"},{"name":"Roga","start":"09:40","end":"11:12","startHours":9.664887247206682,"endHours":11.201381347074989,"quality":"inauspicious"},{"name":"Udveg","start":"11:12","end":"12:44","startHours":11.201381347074989,"endHours":12.737875446943294,"quality":"inauspicious"},{"name":"Chala","start":"12:44","end":"14:16","startHours":12.737875446943294,"endHours":14.274369546811599,"quality":"neutral"},{"name":"Labha","start":"14:16","end":"15:49","startHours":14.274369546811599,"endHours":15.810863646679906,"quality":"auspicious"},{"name":"Amṛta","start":"15:49","end":"17:21","startHours":15.810863646679906,"endHours":17.347357746548212,"quality":"auspicious"},{"name":"Kāla","start":"17:21","end":"18:53","startHours":17.347357746548212,"endHours":18.883851846416515,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:53","end":"20:21","startHours":18.883851846416515,"endHours":20.34735774654821,"quality":"auspicious"},{"name":"Amṛta","start":"20:21","end":"21:49","startHours":20.34735774654821,"endHours":21.810863646679906,"quality":"auspicious"},{"name":"Kāla","start":"21:49","end":"23:16","startHours":21.810863646679906,"endHours":23.2743695468116,"quality":"inauspicious"},{"name":"Śubha","start":"23:16","end":"00:44","startHours":23.2743695468116,"endHours":24.737875446943292,"quality":"auspicious"},{"name":"Roga","start":"00:44","end":"02:12","startHours":24.737875446943292,"endHours":26.20138134707499,"quality":"inauspicious"},{"name":"Udveg","start":"02:12","end":"03:40","startHours":26.20138134707499,"endHours":27.664887247206682,"quality":"inauspicious"},{"name":"Chala","start":"03:40","end":"05:08","startHours":27.664887247206682,"endHours":29.12839314733838,"quality":"neutral"},{"name":"Labha","start":"05:08","end":"06:36","startHours":29.12839314733838,"endHours":30.591899047470072,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:36","end":"07:36","startHours":6.591899047470072,"endHours":7.591899047470072,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:36","end":"08:36","startHours":7.591899047470072,"endHours":8.591899047470072,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:36","end":"09:36","startHours":8.591899047470072,"endHours":9.591899047470072,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:36","end":"10:36","startHours":9.591899047470072,"endHours":10.591899047470072,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:36","end":"11:36","startHours":10.591899047470072,"endHours":11.591899047470072,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:36","end":"12:36","startHours":11.591899047470072,"endHours":12.591899047470072,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:36","end":"13:36","startHours":12.591899047470072,"endHours":13.591899047470072,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:36","end":"14:36","startHours":13.591899047470072,"endHours":14.591899047470072,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:36","end":"15:36","startHours":14.591899047470072,"endHours":15.591899047470072,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:36","end":"16:36","startHours":15.591899047470072,"endHours":16.591899047470072,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:36","end":"17:36","startHours":16.591899047470072,"endHours":17.591899047470072,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:36","end":"18:36","startHours":17.591899047470072,"endHours":18.591899047470072,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:36","end":"19:36","startHours":18.591899047470072,"endHours":19.591899047470072,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:36","end":"20:36","startHours":19.591899047470072,"endHours":20.591899047470072,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:36","end":"21:36","startHours":20.591899047470072,"endHours":21.591899047470072,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:36","end":"22:36","startHours":21.591899047470072,"endHours":22.591899047470072,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:36","end":"23:36","startHours":22.591899047470072,"endHours":23.591899047470072,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:36","end":"00:36","startHours":23.591899047470072,"endHours":24.591899047470072,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:36","end":"01:36","startHours":24.591899047470072,"endHours":25.591899047470072,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:36","end":"02:36","startHours":25.591899047470072,"endHours":26.591899047470072,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:36","end":"03:36","startHours":26.591899047470072,"endHours":27.591899047470072,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:36","end":"04:36","startHours":27.591899047470072,"endHours":28.591899047470072,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:36","end":"05:36","startHours":28.591899047470072,"endHours":29.591899047470072,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:36","end":"06:36","startHours":29.591899047470072,"endHours":30.591899047470072,"planetary_lord":"Mercury"}],"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":"East (Pūrva)","chandraVasa":"North-East","rahuVasa":"East","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":3.107034480395168,"eotMinutes":5.496673183402374,"ayanamsa":24.1143}},"calendars":{"vikram_samvat":2075,"vikram_samvatsara":"Virodhakṛt","saka_samvat":1940,"saka_samvatsara":"Vilambī","bengali_samvat":1425,"malayalam_era":1194,"nanakshahi_year":549,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Ṣaṣṭhī · Vikram 2075 Virodhakṛt · Śaka 1940 Vilambī"},"festivals":[{"id":"subrahmanya-shashthi","name":"Subrahmaṇya Ṣaṣṭhī","name_sanskrit":"सुब्रह्मण्य षष्ठी","tradition":"Shaiva","associated_deity":"Kārttikeya","significance":"Worship of Kārttikeya as Subrahmaṇya.","vrata":true,"detection":{"tithi_number":6,"tithi_paksha":"Śukla","lunar_month":"Bhādrapada"},"precedence":4},{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 September 15, 2018 CE · Jamnagar, Gujarat · Vidhyamitra","description":"September 15, 2018 CE for Jamnagar, Gujarat: Śukla Ṣaṣṭhī, sūryodaya 06:36, sūryāsta 18:53.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/2018-09-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/2018-09-15","sa":"https://sa.vidhyamitra.com/city/jamnagar/2018-09-15","hi":"https://hi.vidhyamitra.com/city/jamnagar/2018-09-15","x-default":"https://vidhyamitra.com/city/jamnagar/2018-09-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T12:22:48.107Z","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":"2026-05-15T12:22:48.107Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T12:22:48.107Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}