{"id":"vidhyamitra:city-day:jamnagar:1850-12-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/1850-12-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1850-12-18","date_display":"December 18, 1850 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":1850,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2397109.770833,"kali_year":4952,"ahargana":1808644.2708,"sun":{"sidereal_longitude":244.064,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":47.5838,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":163.5198,"elapsed_within_tithi_degrees":7.5198},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3,"moon_longitude":47.5838,"elapsed_within_degrees":7.5838},"yoga":{"number":22,"name":"Sādhya","sum_longitude":291.6478},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1850,"month":12,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2397109.770833,"ahargana":1808644.2708,"kali_year":4952,"ayanamsa_lahiri":21.7711,"grahas":{"sun":{"sidereal_longitude":244.05413599999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"moon":{"sidereal_longitude":48.38483600000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false,"latitude":-3.9627},"mars":{"sidereal_longitude":240.96773600000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":257.067236,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":179.44243600000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":243.84043599999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":true},"saturn":{"sidereal_longitude":354.119036,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":109.3227,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":289.3227,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"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":1850,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2397109.770833,"kali_year":4952,"ahargana":1808644.2708,"sun":{"sidereal_longitude":244.064,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":47.5838,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":163.5198,"elapsed_within_tithi_degrees":7.5198},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3,"moon_longitude":47.5838,"elapsed_within_degrees":7.5838},"yoga":{"number":22,"name":"Sādhya","sum_longitude":291.6478},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.963,"elongation":163.52},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.963,"opposition_distance":16.48}},"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":"07:24","sunsetLocal":"18:10","solarNoonLocal":"12:47","dayLengthHours":10.760056379590733,"dayLengthDisplay":"10 Hours 45 Mins 36 Secs","nightLengthDisplay":"13 Hours 14 Mins 24 Secs","moonriseLocal":"17:03","moonsetLocal":"06:25","rahuKala":{"name":"Rāhu Kāla","start":"12:47","end":"14:08","startHours":12.783024544197646,"endHours":14.128031591646488,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:45","end":"10:06","startHours":8.748003401851122,"endHours":10.093010449299964,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:26","end":"12:47","startHours":11.438017496748804,"endHours":12.783024544197646,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:55","end":"10:16","startHours":9.913676176306785,"endHours":10.272344722293141,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:51","end":"08:08","startHours":7.851332036885227,"endHours":8.138266873674313,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:25","end":"13:09","startHours":12.424355998211288,"endHours":13.141693090184004,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:58","end":"06:41","startHours":5.968322170456849,"endHours":6.6856592624295645,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:30","end":"07:24","startHours":6.5063249894363855,"endHours":7.40299635440228,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:35","end":"15:18","startHours":14.576367274129435,"endHours":15.293704366102151,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:58","end":"18:22","startHours":17.963052733993013,"endHours":18.363052733993012,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:10","end":"18:37","startHours":18.163052733993013,"endHours":18.61138841647596,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:55","end":"19:40","startHours":17.913052733993013,"endHours":19.663052733993013,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:25","end":"01:09","startHours":24.424355998211286,"endHours":25.141693090184003,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:24","end":"08:45","startHours":7.40299635440228,"endHours":8.748003401851122,"quality":"auspicious"},{"name":"Amṛta","start":"08:45","end":"10:06","startHours":8.748003401851122,"endHours":10.093010449299964,"quality":"auspicious"},{"name":"Kāla","start":"10:06","end":"11:26","startHours":10.093010449299964,"endHours":11.438017496748804,"quality":"inauspicious"},{"name":"Śubha","start":"11:26","end":"12:47","startHours":11.438017496748804,"endHours":12.783024544197646,"quality":"auspicious"},{"name":"Roga","start":"12:47","end":"14:08","startHours":12.783024544197646,"endHours":14.128031591646488,"quality":"inauspicious"},{"name":"Udveg","start":"14:08","end":"15:28","startHours":14.128031591646488,"endHours":15.473038639095329,"quality":"inauspicious"},{"name":"Chala","start":"15:28","end":"16:49","startHours":15.473038639095329,"endHours":16.81804568654417,"quality":"neutral"},{"name":"Labha","start":"16:49","end":"18:10","startHours":16.81804568654417,"endHours":18.163052733993013,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:10","end":"19:49","startHours":18.163052733993013,"endHours":19.81804568654417,"quality":"inauspicious"},{"name":"Chala","start":"19:49","end":"21:28","startHours":19.81804568654417,"endHours":21.47303863909533,"quality":"neutral"},{"name":"Labha","start":"21:28","end":"23:08","startHours":21.47303863909533,"endHours":23.12803159164649,"quality":"auspicious"},{"name":"Amṛta","start":"23:08","end":"00:47","startHours":23.12803159164649,"endHours":24.783024544197644,"quality":"auspicious"},{"name":"Kāla","start":"00:47","end":"02:26","startHours":24.783024544197644,"endHours":26.438017496748806,"quality":"inauspicious"},{"name":"Śubha","start":"02:26","end":"04:06","startHours":26.438017496748806,"endHours":28.093010449299964,"quality":"auspicious"},{"name":"Roga","start":"04:06","end":"05:45","startHours":28.093010449299964,"endHours":29.748003401851122,"quality":"inauspicious"},{"name":"Udveg","start":"05:45","end":"07:24","startHours":29.748003401851122,"endHours":31.40299635440228,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:24","end":"08:24","startHours":7.40299635440228,"endHours":8.40299635440228,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:24","end":"09:24","startHours":8.40299635440228,"endHours":9.40299635440228,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:24","end":"10:24","startHours":9.40299635440228,"endHours":10.40299635440228,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:24","end":"11:24","startHours":10.40299635440228,"endHours":11.40299635440228,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:24","end":"12:24","startHours":11.40299635440228,"endHours":12.40299635440228,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:24","end":"13:24","startHours":12.40299635440228,"endHours":13.40299635440228,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:24","end":"14:24","startHours":13.40299635440228,"endHours":14.40299635440228,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:24","end":"15:24","startHours":14.40299635440228,"endHours":15.40299635440228,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:24","end":"16:24","startHours":15.40299635440228,"endHours":16.40299635440228,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:24","end":"17:24","startHours":16.40299635440228,"endHours":17.40299635440228,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:24","end":"18:24","startHours":17.40299635440228,"endHours":18.40299635440228,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:24","end":"19:24","startHours":18.40299635440228,"endHours":19.40299635440228,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:24","end":"20:24","startHours":19.40299635440228,"endHours":20.40299635440228,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:24","end":"21:24","startHours":20.40299635440228,"endHours":21.40299635440228,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:24","end":"22:24","startHours":21.40299635440228,"endHours":22.40299635440228,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:24","end":"23:24","startHours":22.40299635440228,"endHours":23.40299635440228,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:24","end":"00:24","startHours":23.40299635440228,"endHours":24.40299635440228,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:24","end":"01:24","startHours":24.40299635440228,"endHours":25.40299635440228,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:24","end":"02:24","startHours":25.40299635440228,"endHours":26.40299635440228,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:24","end":"03:24","startHours":26.40299635440228,"endHours":27.40299635440228,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:24","end":"04:24","startHours":27.40299635440228,"endHours":28.40299635440228,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:24","end":"05:24","startHours":28.40299635440228,"endHours":29.40299635440228,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:24","end":"06:24","startHours":29.40299635440228,"endHours":30.40299635440228,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:24","end":"07:24","startHours":30.40299635440228,"endHours":31.40299635440228,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"South-West","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.370613683446823,"eotMinutes":2.787727348141232,"ayanamsa":21.7711}},"calendars":{"vikram_samvat":1907,"vikram_samvatsara":"Rudhirodgāri","saka_samvat":1772,"saka_samvatsara":"Sādhāraṇa","bengali_samvat":1257,"malayalam_era":1026,"nanakshahi_year":381,"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":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Caturdaśī · Vikram 1907 Rudhirodgāri · Śaka 1772 Sādhāraṇa"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","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 18, 1850 CE · Jamnagar, Gujarat · Vidhyamitra","description":"December 18, 1850 CE for Jamnagar, Gujarat: Śukla Caturdaśī, sūryodaya 07:24, sūryāsta 18:10.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/1850-12-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/1850-12-18","sa":"https://sa.vidhyamitra.com/city/jamnagar/1850-12-18","hi":"https://hi.vidhyamitra.com/city/jamnagar/1850-12-18","x-default":"https://vidhyamitra.com/city/jamnagar/1850-12-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T08:39:02.402Z","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":"2026-06-03T08:39:02.402Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T08:39:02.402Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}