{"id":"vidhyamitra:city-day:jamnagar:2154-12-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/2154-12-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2154-12-15","date_display":"December 15, 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":12,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508140.770833,"kali_year":5256,"ahargana":1919675.2708,"sun":{"sidereal_longitude":236.2013,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":0.6223,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":124.4209,"elapsed_within_tithi_degrees":4.4209},"nakshatra":{"number":1,"name":"Aśvinī","pada":1,"moon_longitude":0.6223,"elapsed_within_degrees":0.6223},"yoga":{"number":18,"name":"Varīyān","sum_longitude":236.8236},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":12,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2508140.770833,"ahargana":1919675.2708,"kali_year":5256,"ayanamsa_lahiri":26.0176,"grahas":{"sun":{"sidereal_longitude":236.97633599999995,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":3.502836000000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false,"latitude":1.1071},"mars":{"sidereal_longitude":147.56143600000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":255.56973600000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":29.795136000000014,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":188.98253599999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":129.97393599999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":346.366,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":166.366,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"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":12,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508140.770833,"kali_year":5256,"ahargana":1919675.2708,"sun":{"sidereal_longitude":236.2013,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":0.6223,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":124.4209,"elapsed_within_tithi_degrees":4.4209},"nakshatra":{"number":1,"name":"Aśvinī","pada":1,"moon_longitude":0.6223,"elapsed_within_degrees":0.6223},"yoga":{"number":18,"name":"Varīyān","sum_longitude":236.8236},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.107,"elongation":124.421},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.107,"opposition_distance":55.579}},"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":"07:23","sunsetLocal":"18:09","solarNoonLocal":"12:46","dayLengthHours":10.767850514061438,"dayLengthDisplay":"10 Hours 46 Mins 04 Secs","nightLengthDisplay":"13 Hours 13 Mins 56 Secs","moonriseLocal":"14:50","moonsetLocal":"03:33","rahuKala":{"name":"Rāhu Kāla","start":"16:48","end":"18:09","startHours":16.797798358880172,"endHours":18.14377967313785,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:46","end":"14:06","startHours":12.759854416107132,"endHours":14.10583573036481,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:27","end":"16:48","startHours":15.45181704462249,"endHours":16.797798358880172,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:53","end":"10:15","startHours":9.888427612357415,"endHours":10.247355962826129,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:49","end":"08:07","startHours":7.824589597162305,"endHours":8.111732277537277,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:24","end":"13:07","startHours":12.400926065638417,"endHours":13.118782766575846,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:56","end":"06:39","startHours":5.940215757201553,"endHours":6.6580724581389825,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:29","end":"07:23","startHours":6.478608282904625,"endHours":7.375929159076412,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:33","end":"15:16","startHours":14.554496168450704,"endHours":15.272352869388133,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:57","end":"18:21","startHours":17.94377967313785,"endHours":18.34377967313785,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:09","end":"18:36","startHours":18.14377967313785,"endHours":18.592440111223745,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:54","end":"19:39","startHours":17.89377967313785,"endHours":19.64377967313785,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:24","end":"01:07","startHours":24.400926065638416,"endHours":25.118782766575848,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:23","end":"08:43","startHours":7.375929159076412,"endHours":8.721910473334091,"quality":"inauspicious"},{"name":"Chala","start":"08:43","end":"10:04","startHours":8.721910473334091,"endHours":10.06789178759177,"quality":"neutral"},{"name":"Labha","start":"10:04","end":"11:25","startHours":10.06789178759177,"endHours":11.41387310184945,"quality":"auspicious"},{"name":"Amṛta","start":"11:25","end":"12:46","startHours":11.41387310184945,"endHours":12.759854416107132,"quality":"auspicious"},{"name":"Kāla","start":"12:46","end":"14:06","startHours":12.759854416107132,"endHours":14.10583573036481,"quality":"inauspicious"},{"name":"Śubha","start":"14:06","end":"15:27","startHours":14.10583573036481,"endHours":15.45181704462249,"quality":"auspicious"},{"name":"Roga","start":"15:27","end":"16:48","startHours":15.45181704462249,"endHours":16.797798358880172,"quality":"inauspicious"},{"name":"Udveg","start":"16:48","end":"18:09","startHours":16.797798358880172,"endHours":18.14377967313785,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:09","end":"19:48","startHours":18.14377967313785,"endHours":19.79779835888017,"quality":"auspicious"},{"name":"Roga","start":"19:48","end":"21:27","startHours":19.79779835888017,"endHours":21.45181704462249,"quality":"inauspicious"},{"name":"Udveg","start":"21:27","end":"23:06","startHours":21.45181704462249,"endHours":23.10583573036481,"quality":"inauspicious"},{"name":"Chala","start":"23:06","end":"00:46","startHours":23.10583573036481,"endHours":24.75985441610713,"quality":"neutral"},{"name":"Labha","start":"00:46","end":"02:25","startHours":24.75985441610713,"endHours":26.41387310184945,"quality":"auspicious"},{"name":"Amṛta","start":"02:25","end":"04:04","startHours":26.41387310184945,"endHours":28.06789178759177,"quality":"auspicious"},{"name":"Kāla","start":"04:04","end":"05:43","startHours":28.06789178759177,"endHours":29.72191047333409,"quality":"inauspicious"},{"name":"Śubha","start":"05:43","end":"07:23","startHours":29.72191047333409,"endHours":31.375929159076414,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:23","end":"08:23","startHours":7.375929159076412,"endHours":8.375929159076412,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:23","end":"09:23","startHours":8.375929159076412,"endHours":9.375929159076412,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:23","end":"10:23","startHours":9.375929159076412,"endHours":10.375929159076412,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:23","end":"11:23","startHours":10.375929159076412,"endHours":11.375929159076412,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:23","end":"12:23","startHours":11.375929159076412,"endHours":12.375929159076412,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:23","end":"13:23","startHours":12.375929159076412,"endHours":13.375929159076412,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:23","end":"14:23","startHours":13.375929159076412,"endHours":14.375929159076412,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:23","end":"15:23","startHours":14.375929159076412,"endHours":15.375929159076412,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:23","end":"16:23","startHours":15.375929159076412,"endHours":16.375929159076414,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:23","end":"17:23","startHours":16.375929159076414,"endHours":17.375929159076414,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:23","end":"18:23","startHours":17.375929159076414,"endHours":18.375929159076414,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:23","end":"19:23","startHours":18.375929159076414,"endHours":19.375929159076414,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:23","end":"20:23","startHours":19.375929159076414,"endHours":20.375929159076414,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:23","end":"21:23","startHours":20.375929159076414,"endHours":21.375929159076414,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:23","end":"22:23","startHours":21.375929159076414,"endHours":22.375929159076414,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:23","end":"23:23","startHours":22.375929159076414,"endHours":23.375929159076414,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:23","end":"00:23","startHours":23.375929159076414,"endHours":24.375929159076414,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:23","end":"01:23","startHours":24.375929159076414,"endHours":25.375929159076414,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:23","end":"02:23","startHours":25.375929159076414,"endHours":26.375929159076414,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:23","end":"03:23","startHours":26.375929159076414,"endHours":27.375929159076414,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:23","end":"04:23","startHours":27.375929159076414,"endHours":28.375929159076414,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:23","end":"05:23","startHours":28.375929159076414,"endHours":29.375929159076414,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:23","end":"06:23","startHours":29.375929159076414,"endHours":30.375929159076414,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:23","end":"07:23","startHours":30.375929159076414,"endHours":31.375929159076414,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.251174558870023,"eotMinutes":4.177935033572184,"ayanamsa":26.0176}},"calendars":{"vikram_samvat":2211,"vikram_samvatsara":"Prabhava","saka_samvat":2076,"saka_samvatsara":"Ānanda","bengali_samvat":1561,"malayalam_era":1330,"nanakshahi_year":685,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Ekādaśī · Vikram 2211 Prabhava · Śaka 2076 Ānanda"},"festivals":[{"id":"gita-jayanti","name":"Gītā Jayantī (= Mokṣadā Ekādaśī)","name_sanskrit":"गीता जयन्ती","tradition":"Vaishnava","associated_deity":"Krishna (Bhagavad-Gītā speaker)","significance":"Day Bhagavad Gītā was delivered at Kurukṣetra (Mahābhārata Day 1).","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Mārgaśīrṣa"},"precedence":1,"related_chart":"krishna","historical_anchor":{"event":"Bhagavad Gītā delivered at Kurukṣetra (Mahābhārata Day 1)","date_julian":"-3137-10-04","location":"Kurukṣetra"},"sources":["Bhagavad Gītā (Mahābhārata, Bhīṣma Parva)"]},{"id":"vaikuntha-ekadashi","name":"Vaikuṇṭha Ekādaśī","name_sanskrit":"वैकुण्ठ एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Most sacred Ekādaśī of the year; 'Vaikuṇṭha-dvāram udghaṭitam'.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Mārgaśīrṣa"},"precedence":2},{"id":"mokshada-ekadashi","name":"Mokṣadā Ekādaśī (Gītā Jayantī)","name_sanskrit":"मोक्षदा एकादशी / गीता जयन्ती","tradition":"Vaishnava","associated_deity":"Krishna (Bhagavad Gītā delivery)","significance":"Day Bhagavad Gītā was delivered at Kurukṣetra.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Mārgaśīrṣa"},"precedence":3},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","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 December 15, 2154 CE · Jamnagar, Gujarat · Vidhyamitra","description":"December 15, 2154 CE for Jamnagar, Gujarat: Śukla Ekādaśī, sūryodaya 07:23, sūryāsta 18:09.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/2154-12-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/2154-12-15","sa":"https://sa.vidhyamitra.com/city/jamnagar/2154-12-15","hi":"https://hi.vidhyamitra.com/city/jamnagar/2154-12-15","x-default":"https://vidhyamitra.com/city/jamnagar/2154-12-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T12:45:33.427Z","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":"2026-06-01T12:45:33.427Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T12:45:33.427Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}