{"id":"vidhyamitra:city-day:jamnagar:2154-09-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/2154-09-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2154-09-13","date_display":"September 13, 2154 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":2154,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508047.770833,"kali_year":5256,"ahargana":1919582.2708,"sun":{"sidereal_longitude":143.2132,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":209.2778,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":66.0647,"elapsed_within_tithi_degrees":6.0647},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":209.2778,"elapsed_within_degrees":9.2778},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":352.491},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2154,"month":9,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2508047.770833,"ahargana":1919582.2708,"kali_year":5256,"ayanamsa_lahiri":26.014,"grahas":{"sun":{"sidereal_longitude":144.306089,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":211.05608899999993,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false,"latitude":-2.7677},"mars":{"sidereal_longitude":95.83158900000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":149.48748899999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":37.45178900000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":147.723789,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":true},"saturn":{"sidereal_longitude":122.968389,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":351.2936,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":171.2936,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"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":2154,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508047.770833,"kali_year":5256,"ahargana":1919582.2708,"sun":{"sidereal_longitude":143.2132,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":209.2778,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":66.0647,"elapsed_within_tithi_degrees":6.0647},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":209.2778,"elapsed_within_degrees":9.2778},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":352.491},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.768,"elongation":66.065},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.768,"opposition_distance":113.935}},"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":"06:35","sunsetLocal":"18:55","solarNoonLocal":"12:45","dayLengthHours":12.332351002844378,"dayLengthDisplay":"12 Hours 19 Mins 56 Secs","nightLengthDisplay":"11 Hours 40 Mins 04 Secs","moonriseLocal":"11:43","moonsetLocal":"22:41","rahuKala":{"name":"Rāhu Kāla","start":"11:13","end":"12:45","startHours":11.208711609146686,"endHours":12.750255484502233,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:50","end":"17:22","startHours":15.833343235213327,"endHours":17.374887110568874,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:08","end":"09:40","startHours":8.12562385843559,"endHours":9.667167733791137,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:28","end":"09:52","startHours":9.4616285504104,"endHours":9.872706917171877,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:06","end":"07:26","startHours":7.097927941531893,"endHours":7.426790634941076,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:20","end":"13:10","startHours":12.339177117740753,"endHours":13.161333851263713,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:56","end":"05:46","startHours":4.939766516034126,"endHours":5.761923249557085,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:33","end":"06:35","startHours":5.556384066176345,"endHours":6.584079983080043,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:48","end":"15:38","startHours":14.80564731830963,"endHours":15.62780405183259,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:43","end":"19:07","startHours":18.716430985924422,"endHours":19.11643098592442,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:55","end":"19:26","startHours":18.91643098592442,"endHours":19.43027894437627,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:40","end":"20:25","startHours":18.66643098592442,"endHours":20.41643098592442,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:20","end":"01:10","startHours":24.339177117740753,"endHours":25.161333851263713,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:35","end":"08:08","startHours":6.584079983080043,"endHours":8.12562385843559,"quality":"neutral"},{"name":"Labha","start":"08:08","end":"09:40","startHours":8.12562385843559,"endHours":9.667167733791137,"quality":"auspicious"},{"name":"Amṛta","start":"09:40","end":"11:13","startHours":9.667167733791137,"endHours":11.208711609146686,"quality":"auspicious"},{"name":"Kāla","start":"11:13","end":"12:45","startHours":11.208711609146686,"endHours":12.750255484502233,"quality":"inauspicious"},{"name":"Śubha","start":"12:45","end":"14:18","startHours":12.750255484502233,"endHours":14.29179935985778,"quality":"auspicious"},{"name":"Roga","start":"14:18","end":"15:50","startHours":14.29179935985778,"endHours":15.833343235213327,"quality":"inauspicious"},{"name":"Udveg","start":"15:50","end":"17:22","startHours":15.833343235213327,"endHours":17.374887110568874,"quality":"inauspicious"},{"name":"Chala","start":"17:22","end":"18:55","startHours":17.374887110568874,"endHours":18.91643098592442,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:55","end":"20:22","startHours":18.91643098592442,"endHours":20.374887110568874,"quality":"inauspicious"},{"name":"Udveg","start":"20:22","end":"21:50","startHours":20.374887110568874,"endHours":21.833343235213327,"quality":"inauspicious"},{"name":"Chala","start":"21:50","end":"23:18","startHours":21.833343235213327,"endHours":23.29179935985778,"quality":"neutral"},{"name":"Labha","start":"23:18","end":"00:45","startHours":23.29179935985778,"endHours":24.750255484502233,"quality":"auspicious"},{"name":"Amṛta","start":"00:45","end":"02:13","startHours":24.750255484502233,"endHours":26.208711609146686,"quality":"auspicious"},{"name":"Kāla","start":"02:13","end":"03:40","startHours":26.208711609146686,"endHours":27.66716773379114,"quality":"inauspicious"},{"name":"Śubha","start":"03:40","end":"05:08","startHours":27.66716773379114,"endHours":29.12562385843559,"quality":"auspicious"},{"name":"Roga","start":"05:08","end":"06:35","startHours":29.12562385843559,"endHours":30.584079983080045,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:35","end":"07:35","startHours":6.584079983080043,"endHours":7.584079983080043,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:35","end":"08:35","startHours":7.584079983080043,"endHours":8.584079983080043,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:35","end":"09:35","startHours":8.584079983080043,"endHours":9.584079983080043,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:35","end":"10:35","startHours":9.584079983080043,"endHours":10.584079983080043,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:35","end":"11:35","startHours":10.584079983080043,"endHours":11.584079983080043,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:35","end":"12:35","startHours":11.584079983080043,"endHours":12.584079983080043,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:35","end":"13:35","startHours":12.584079983080043,"endHours":13.584079983080043,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:35","end":"14:35","startHours":13.584079983080043,"endHours":14.584079983080043,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:35","end":"15:35","startHours":14.584079983080043,"endHours":15.584079983080043,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:35","end":"16:35","startHours":15.584079983080043,"endHours":16.584079983080045,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:35","end":"17:35","startHours":16.584079983080045,"endHours":17.584079983080045,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:35","end":"18:35","startHours":17.584079983080045,"endHours":18.584079983080045,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:35","end":"19:35","startHours":18.584079983080045,"endHours":19.584079983080045,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:35","end":"20:35","startHours":19.584079983080045,"endHours":20.584079983080045,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:35","end":"21:35","startHours":20.584079983080045,"endHours":21.584079983080045,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:35","end":"22:35","startHours":21.584079983080045,"endHours":22.584079983080045,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:35","end":"23:35","startHours":22.584079983080045,"endHours":23.584079983080045,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:35","end":"00:35","startHours":23.584079983080045,"endHours":24.584079983080045,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:35","end":"01:35","startHours":24.584079983080045,"endHours":25.584079983080045,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:35","end":"02:35","startHours":25.584079983080045,"endHours":26.584079983080045,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:35","end":"03:35","startHours":26.584079983080045,"endHours":27.584079983080045,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:35","end":"04:35","startHours":27.584079983080045,"endHours":28.584079983080045,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:35","end":"05:35","startHours":28.584079983080045,"endHours":29.584079983080045,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:35","end":"06:35","startHours":29.584079983080045,"endHours":30.584079983080045,"planetary_lord":"Mars"}],"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":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"South-East","anandadiYoga":{"name":"Śrīvatsa","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":3.8345878266323092,"eotMinutes":4.753870929866006,"ayanamsa":26.014}},"calendars":{"vikram_samvat":2211,"vikram_samvatsara":"Prabhava","saka_samvat":2076,"saka_samvatsara":"Ānanda","bengali_samvat":1561,"malayalam_era":1330,"nanakshahi_year":685,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","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":"Bhādrapada Śukla Ṣaṣṭhī · Vikram 2211 Prabhava · Śaka 2076 Ānanda"},"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}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 September 13, 2154 CE · Jamnagar, Gujarat · Vidhyamitra","description":"September 13, 2154 CE for Jamnagar, Gujarat: Śukla Ṣaṣṭhī, sūryodaya 06:35, sūryāsta 18:55.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/2154-09-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/2154-09-13","sa":"https://sa.vidhyamitra.com/city/jamnagar/2154-09-13","hi":"https://hi.vidhyamitra.com/city/jamnagar/2154-09-13","x-default":"https://vidhyamitra.com/city/jamnagar/2154-09-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T07:21:49.043Z","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":"2026-06-01T07:21:49.043Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T07:21:49.043Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}