{"id":"vidhyamitra:city-day:ayodhya:1812-12-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1812-12-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1812-12-20","date_display":"December 20, 1812 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":1812,"month":12,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2383232.770833,"kali_year":4914,"ahargana":1794767.2708,"sun":{"sidereal_longitude":246.9739,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":91.6832,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":204.7093,"elapsed_within_tithi_degrees":0.7093},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":91.6832,"elapsed_within_degrees":11.6832},"yoga":{"number":26,"name":"Indra","sum_longitude":338.6571},"karana":{"half_tithi_index":34,"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":1812,"month":12,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2383232.770833,"ahargana":1794767.2708,"kali_year":4914,"ayanamsa_lahiri":21.2403,"grahas":{"sun":{"sidereal_longitude":246.85023999999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"moon":{"sidereal_longitude":90.91773999999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false,"latitude":-2.4432},"mars":{"sidereal_longitude":197.77134,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":266.53354,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":108.68054000000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":212.04264,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":259.53234,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":124.593,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":304.593,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":1812,"month":12,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2383232.770833,"kali_year":4914,"ahargana":1794767.2708,"sun":{"sidereal_longitude":246.9739,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":91.6832,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":204.7093,"elapsed_within_tithi_degrees":0.7093},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":91.6832,"elapsed_within_degrees":11.6832},"yoga":{"number":26,"name":"Indra","sum_longitude":338.6571},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.443,"elongation":155.291},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.443,"opposition_distance":24.709}},"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":"06:46","sunsetLocal":"17:13","solarNoonLocal":"11:59","dayLengthHours":10.453393902794431,"dayLengthDisplay":"10 Hours 27 Mins 12 Secs","nightLengthDisplay":"13 Hours 32 Mins 48 Secs","moonriseLocal":"18:47","moonsetLocal":"08:25","rahuKala":{"name":"Rāhu Kāla","start":"15:55","end":"17:13","startHours":15.908890754840101,"endHours":17.215564992689405,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:59","end":"13:18","startHours":11.98886804129219,"endHours":13.295542279141493,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:36","end":"15:55","startHours":14.602216516990797,"endHours":15.908890754840101,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:12","end":"09:33","startHours":9.201296333880341,"endHours":9.549742797306822,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:12","end":"07:29","startHours":7.197729169178075,"endHours":7.476486339919259,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:38","end":"12:20","startHours":11.640421577865709,"endHours":12.33731450471867,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:22","end":"06:04","startHours":5.36838523618905,"endHours":6.065278163042011,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:53","end":"06:46","startHours":5.891054931328771,"endHours":6.762171089894974,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:44","end":"14:26","startHours":13.731100358424595,"endHours":14.427993285277557,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:01","end":"17:25","startHours":17.015564992689406,"endHours":17.415564992689404,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:13","end":"17:39","startHours":17.215564992689405,"endHours":17.651123071972506,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:58","end":"18:43","startHours":16.965564992689405,"endHours":18.715564992689405,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:38","end":"00:20","startHours":23.64042157786571,"endHours":24.33731450471867,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:46","end":"08:04","startHours":6.762171089894974,"endHours":8.068845327744278,"quality":"inauspicious"},{"name":"Chala","start":"08:04","end":"09:23","startHours":8.068845327744278,"endHours":9.375519565593581,"quality":"neutral"},{"name":"Labha","start":"09:23","end":"10:41","startHours":9.375519565593581,"endHours":10.682193803442885,"quality":"auspicious"},{"name":"Amṛta","start":"10:41","end":"11:59","startHours":10.682193803442885,"endHours":11.98886804129219,"quality":"auspicious"},{"name":"Kāla","start":"11:59","end":"13:18","startHours":11.98886804129219,"endHours":13.295542279141493,"quality":"inauspicious"},{"name":"Śubha","start":"13:18","end":"14:36","startHours":13.295542279141493,"endHours":14.602216516990797,"quality":"auspicious"},{"name":"Roga","start":"14:36","end":"15:55","startHours":14.602216516990797,"endHours":15.908890754840101,"quality":"inauspicious"},{"name":"Udveg","start":"15:55","end":"17:13","startHours":15.908890754840101,"endHours":17.215564992689405,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:13","end":"18:55","startHours":17.215564992689405,"endHours":18.9088907548401,"quality":"auspicious"},{"name":"Roga","start":"18:55","end":"20:36","startHours":18.9088907548401,"endHours":20.602216516990797,"quality":"inauspicious"},{"name":"Udveg","start":"20:36","end":"22:18","startHours":20.602216516990797,"endHours":22.295542279141493,"quality":"inauspicious"},{"name":"Chala","start":"22:18","end":"23:59","startHours":22.295542279141493,"endHours":23.98886804129219,"quality":"neutral"},{"name":"Labha","start":"23:59","end":"01:41","startHours":23.98886804129219,"endHours":25.682193803442885,"quality":"auspicious"},{"name":"Amṛta","start":"01:41","end":"03:23","startHours":25.682193803442885,"endHours":27.37551956559358,"quality":"auspicious"},{"name":"Kāla","start":"03:23","end":"05:04","startHours":27.37551956559358,"endHours":29.068845327744278,"quality":"inauspicious"},{"name":"Śubha","start":"05:04","end":"06:46","startHours":29.068845327744278,"endHours":30.762171089894974,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:46","end":"07:46","startHours":6.762171089894974,"endHours":7.762171089894974,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:46","end":"08:46","startHours":7.762171089894974,"endHours":8.762171089894974,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:46","end":"09:46","startHours":8.762171089894974,"endHours":9.762171089894974,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:46","end":"10:46","startHours":9.762171089894974,"endHours":10.762171089894974,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:46","end":"11:46","startHours":10.762171089894974,"endHours":11.762171089894974,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:46","end":"12:46","startHours":11.762171089894974,"endHours":12.762171089894974,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:46","end":"13:46","startHours":12.762171089894974,"endHours":13.762171089894974,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:46","end":"14:46","startHours":13.762171089894974,"endHours":14.762171089894974,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:46","end":"15:46","startHours":14.762171089894974,"endHours":15.762171089894974,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:46","end":"16:46","startHours":15.762171089894974,"endHours":16.762171089894974,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:46","end":"17:46","startHours":16.762171089894974,"endHours":17.762171089894974,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:46","end":"18:46","startHours":17.762171089894974,"endHours":18.762171089894974,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:46","end":"19:46","startHours":18.762171089894974,"endHours":19.762171089894974,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:46","end":"20:46","startHours":19.762171089894974,"endHours":20.762171089894974,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:46","end":"21:46","startHours":20.762171089894974,"endHours":21.762171089894974,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:46","end":"22:46","startHours":21.762171089894974,"endHours":22.762171089894974,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:46","end":"23:46","startHours":22.762171089894974,"endHours":23.762171089894974,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:46","end":"00:46","startHours":23.762171089894974,"endHours":24.762171089894974,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:46","end":"01:46","startHours":24.762171089894974,"endHours":25.762171089894974,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:46","end":"02:46","startHours":25.762171089894974,"endHours":26.762171089894974,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:46","end":"03:46","startHours":26.762171089894974,"endHours":27.762171089894974,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:46","end":"04:46","startHours":27.762171089894974,"endHours":28.762171089894974,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:46","end":"05:46","startHours":28.762171089894974,"endHours":29.762171089894974,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:46","end":"06:46","startHours":29.762171089894974,"endHours":30.762171089894974,"planetary_lord":"Jupiter"}],"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","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvaja","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.422709184842795,"eotMinutes":1.851917522468745,"ayanamsa":21.2403}},"calendars":{"vikram_samvat":1869,"vikram_samvatsara":"Pārthiva","saka_samvat":1734,"saka_samvatsara":"Aṅgirasa","bengali_samvat":1219,"malayalam_era":988,"nanakshahi_year":343,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","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":"Pauṣa Kṛṣṇa Tṛtīyā · Vikram 1869 Pārthiva · Śaka 1734 Aṅgirasa"},"festivals":[],"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":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","relevance":0.5}]},"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 20, 1812 CE · Ayodhyā · Vidhyamitra","description":"December 20, 1812 CE for Ayodhyā: Kṛṣṇa Tṛtīyā, sūryodaya 06:46, sūryāsta 17:13.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1812-12-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1812-12-20","sa":"https://sa.vidhyamitra.com/city/ayodhya/1812-12-20","hi":"https://hi.vidhyamitra.com/city/ayodhya/1812-12-20","x-default":"https://vidhyamitra.com/city/ayodhya/1812-12-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T22:14:25.084Z","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":"2026-05-31T22:14:25.084Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T22:14:25.084Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}