{"id":"vidhyamitra:city-day:ayodhya:1811-12-19:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1811-12-19","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1811-12-19","date_display":"December 19, 1811 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":1811,"month":12,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2382865.770833,"kali_year":4913,"ahargana":1794400.2708,"sun":{"sidereal_longitude":245.1851,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":285.5637,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":40.3787,"elapsed_within_tithi_degrees":4.3787},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":285.5637,"elapsed_within_degrees":5.5637},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":170.7488},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"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":1811,"month":12,"day":19,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2382865.770833,"ahargana":1794400.2708,"kali_year":4913,"ayanamsa_lahiri":21.2263,"grahas":{"sun":{"sidereal_longitude":245.07436200000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"moon":{"sidereal_longitude":286.7472620000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false,"latitude":2.798},"mars":{"sidereal_longitude":311.118562,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":263.96706199999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":72.67346199999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":264.410162,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":249.33476199999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":144.0384,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":324.0384,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","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":1811,"month":12,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2382865.770833,"kali_year":4913,"ahargana":1794400.2708,"sun":{"sidereal_longitude":245.1851,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":285.5637,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":40.3787,"elapsed_within_tithi_degrees":4.3787},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":285.5637,"elapsed_within_degrees":5.5637},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":170.7488},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.798,"elongation":40.379},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.798,"opposition_distance":139.621}},"eclipse_window_40days":[]},"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"06:45","sunsetLocal":"17:13","solarNoonLocal":"11:59","dayLengthHours":10.456452141616985,"dayLengthDisplay":"10 Hours 27 Mins 23 Secs","nightLengthDisplay":"13 Hours 32 Mins 37 Secs","moonriseLocal":"09:21","moonsetLocal":"20:10","rahuKala":{"name":"Rāhu Kāla","start":"13:17","end":"14:36","startHours":13.288116011633315,"endHours":14.59517252933544,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:45","end":"08:04","startHours":6.752833423122699,"endHours":8.059889940824823,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:22","end":"10:40","startHours":9.366946458526947,"endHours":10.674002976229069,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:12","end":"09:32","startHours":9.192672256166663,"endHours":9.541220660887229,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:11","end":"07:28","startHours":7.188518929023407,"endHours":7.46735765279986,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:38","end":"12:20","startHours":11.632511089210626,"endHours":12.329607898651757,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:22","end":"06:03","startHours":5.358639804240434,"endHours":6.055736613681567,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:53","end":"06:45","startHours":5.881462411321284,"endHours":6.752833423122699,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:43","end":"14:25","startHours":13.723801517534024,"endHours":14.420898326975157,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:01","end":"17:25","startHours":17.009285564739685,"endHours":17.409285564739683,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:13","end":"17:39","startHours":17.209285564739684,"endHours":17.64497107064039,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:58","end":"18:43","startHours":16.959285564739684,"endHours":18.709285564739684,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:38","end":"00:20","startHours":23.632511089210624,"endHours":24.32960789865176,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:45","end":"08:04","startHours":6.752833423122699,"endHours":8.059889940824823,"quality":"auspicious"},{"name":"Roga","start":"08:04","end":"09:22","startHours":8.059889940824823,"endHours":9.366946458526947,"quality":"inauspicious"},{"name":"Udveg","start":"09:22","end":"10:40","startHours":9.366946458526947,"endHours":10.674002976229069,"quality":"inauspicious"},{"name":"Chala","start":"10:40","end":"11:59","startHours":10.674002976229069,"endHours":11.981059493931191,"quality":"neutral"},{"name":"Labha","start":"11:59","end":"13:17","startHours":11.981059493931191,"endHours":13.288116011633315,"quality":"auspicious"},{"name":"Amṛta","start":"13:17","end":"14:36","startHours":13.288116011633315,"endHours":14.59517252933544,"quality":"auspicious"},{"name":"Kāla","start":"14:36","end":"15:54","startHours":14.59517252933544,"endHours":15.902229047037562,"quality":"inauspicious"},{"name":"Śubha","start":"15:54","end":"17:13","startHours":15.902229047037562,"endHours":17.209285564739684,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:13","end":"18:54","startHours":17.209285564739684,"endHours":18.90222904703756,"quality":"auspicious"},{"name":"Kāla","start":"18:54","end":"20:36","startHours":18.90222904703756,"endHours":20.595172529335436,"quality":"inauspicious"},{"name":"Śubha","start":"20:36","end":"22:17","startHours":20.595172529335436,"endHours":22.288116011633313,"quality":"auspicious"},{"name":"Roga","start":"22:17","end":"23:59","startHours":22.288116011633313,"endHours":23.98105949393119,"quality":"inauspicious"},{"name":"Udveg","start":"23:59","end":"01:40","startHours":23.98105949393119,"endHours":25.67400297622907,"quality":"inauspicious"},{"name":"Chala","start":"01:40","end":"03:22","startHours":25.67400297622907,"endHours":27.366946458526947,"quality":"neutral"},{"name":"Labha","start":"03:22","end":"05:04","startHours":27.366946458526947,"endHours":29.05988994082482,"quality":"auspicious"},{"name":"Amṛta","start":"05:04","end":"06:45","startHours":29.05988994082482,"endHours":30.7528334231227,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:45","end":"07:45","startHours":6.752833423122699,"endHours":7.752833423122699,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:45","end":"08:45","startHours":7.752833423122699,"endHours":8.752833423122699,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:45","end":"09:45","startHours":8.752833423122699,"endHours":9.752833423122699,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:45","end":"10:45","startHours":9.752833423122699,"endHours":10.752833423122699,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:45","end":"11:45","startHours":10.752833423122699,"endHours":11.752833423122699,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:45","end":"12:45","startHours":11.752833423122699,"endHours":12.752833423122699,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:45","end":"13:45","startHours":12.752833423122699,"endHours":13.752833423122699,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:45","end":"14:45","startHours":13.752833423122699,"endHours":14.752833423122699,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:45","end":"15:45","startHours":14.752833423122699,"endHours":15.752833423122699,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:45","end":"16:45","startHours":15.752833423122699,"endHours":16.7528334231227,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:45","end":"17:45","startHours":16.7528334231227,"endHours":17.7528334231227,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:45","end":"18:45","startHours":17.7528334231227,"endHours":18.7528334231227,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:45","end":"19:45","startHours":18.7528334231227,"endHours":19.7528334231227,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:45","end":"20:45","startHours":19.7528334231227,"endHours":20.7528334231227,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:45","end":"21:45","startHours":20.7528334231227,"endHours":21.7528334231227,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:45","end":"22:45","startHours":21.7528334231227,"endHours":22.7528334231227,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:45","end":"23:45","startHours":22.7528334231227,"endHours":23.7528334231227,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:45","end":"00:45","startHours":23.7528334231227,"endHours":24.7528334231227,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:45","end":"01:45","startHours":24.7528334231227,"endHours":25.7528334231227,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:45","end":"02:45","startHours":25.7528334231227,"endHours":26.7528334231227,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:45","end":"03:45","startHours":26.7528334231227,"endHours":27.7528334231227,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:45","end":"04:45","startHours":27.7528334231227,"endHours":28.7528334231227,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:45","end":"05:45","startHours":28.7528334231227,"endHours":29.7528334231227,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:45","end":"06:45","startHours":29.7528334231227,"endHours":30.7528334231227,"planetary_lord":"Moon"}],"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":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-East","rahuVasa":"North-West","anandadiYoga":{"name":"Mudgara","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":-23.38475792202439,"eotMinutes":2.3204303641286352,"ayanamsa":21.2263}},"calendars":{"vikram_samvat":1868,"vikram_samvatsara":"Tāraṇa","saka_samvat":1733,"saka_samvatsara":"Prajāpati","bengali_samvat":1218,"malayalam_era":987,"nanakshahi_year":342,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","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":"Pauṣa Śukla Caturthī · Vikram 1868 Tāraṇa · Śaka 1733 Prajāpati"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"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":[]},"validity":{"eternal":false,"location_specific":"ayodhya"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 19, 1811 CE · Ayodhyā · Vidhyamitra","description":"December 19, 1811 CE for Ayodhyā: Śukla Caturthī, sūryodaya 06:45, sūryāsta 17:13.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1811-12-19","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1811-12-19","sa":"https://sa.vidhyamitra.com/city/ayodhya/1811-12-19","hi":"https://hi.vidhyamitra.com/city/ayodhya/1811-12-19","x-default":"https://vidhyamitra.com/city/ayodhya/1811-12-19"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T02:07:43.518Z","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":"2026-06-01T02:07:43.518Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T02:07:43.518Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}