{"id":"vidhyamitra:city-day:bareilly:1866-12-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/bareilly/1866-12-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1866-12-20","date_display":"December 20, 1866 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":1866,"month":12,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2402955.770833,"kali_year":4968,"ahargana":1814490.2708,"sun":{"sidereal_longitude":245.9744,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":41.9771,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":156.0026,"elapsed_within_tithi_degrees":0.0026},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":41.9771,"elapsed_within_degrees":1.9771},"yoga":{"number":22,"name":"Sādhya","sum_longitude":287.9515},"karana":{"half_tithi_index":26,"name":"Gara"},"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":1866,"month":12,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2402955.770833,"ahargana":1814490.2708,"kali_year":4968,"ayanamsa_lahiri":21.9946,"grahas":{"sun":{"sidereal_longitude":245.98587599999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"moon":{"sidereal_longitude":40.04987599999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false,"latitude":-3.9872},"mars":{"sidereal_longitude":97.873876,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":true},"mercury":{"sidereal_longitude":227.500676,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":284.29757599999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"venus":{"sidereal_longitude":234.574476,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":true},"saturn":{"sidereal_longitude":208.808676,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":159.5735,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":339.5735,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara 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":1866,"month":12,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2402955.770833,"kali_year":4968,"ahargana":1814490.2708,"sun":{"sidereal_longitude":245.9744,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":41.9771,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":156.0026,"elapsed_within_tithi_degrees":0.0026},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":41.9771,"elapsed_within_degrees":1.9771},"yoga":{"number":22,"name":"Sādhya","sum_longitude":287.9515},"karana":{"half_tithi_index":26,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.987,"elongation":156.003},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.987,"opposition_distance":23.997}},"eclipse_window_40days":[]},"city":{"slug":"bareilly","name":"Bareilly, Uttar Pradesh","lat":28.367,"lon":79.4304,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"bareilly","name":"Bareilly, Uttar Pradesh","lat":28.367,"lon":79.4304,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"sunriseLocal":"07:00","sunsetLocal":"17:21","solarNoonLocal":"12:10","dayLengthHours":10.33763979283783,"dayLengthDisplay":"10 Hours 20 Mins 16 Secs","nightLengthDisplay":"13 Hours 39 Mins 44 Secs","moonriseLocal":"15:37","moonsetLocal":"05:16","rahuKala":{"name":"Rāhu Kāla","start":"13:28","end":"14:45","startHours":13.465979682063583,"endHours":14.758184656168313,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:00","end":"08:18","startHours":7.00495481153994,"endHours":8.297159785644668,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:35","end":"10:53","startHours":9.589364759749397,"endHours":10.881569733854127,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:25","end":"09:46","startHours":9.417070763202101,"endHours":9.761658756296695,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:26","end":"07:43","startHours":7.435689802908183,"endHours":7.711360197383858,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:31","startHours":11.82918671486426,"endHours":12.518362701053448,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:38","end":"06:19","startHours":5.626602839161563,"endHours":6.315778825350751,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:09","end":"07:00","startHours":6.143484828803454,"endHours":7.00495481153994,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:54","end":"14:35","startHours":13.896714673431827,"endHours":14.585890659621016,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:09","end":"17:33","startHours":17.14259460437777,"endHours":17.54259460437777,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:21","end":"17:46","startHours":17.34259460437777,"endHours":17.773329595746013,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:06","end":"18:51","startHours":17.09259460437777,"endHours":18.84259460437777,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:31","startHours":23.82918671486426,"endHours":24.51836270105345,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:00","end":"08:18","startHours":7.00495481153994,"endHours":8.297159785644668,"quality":"auspicious"},{"name":"Roga","start":"08:18","end":"09:35","startHours":8.297159785644668,"endHours":9.589364759749397,"quality":"inauspicious"},{"name":"Udveg","start":"09:35","end":"10:53","startHours":9.589364759749397,"endHours":10.881569733854127,"quality":"inauspicious"},{"name":"Chala","start":"10:53","end":"12:10","startHours":10.881569733854127,"endHours":12.173774707958856,"quality":"neutral"},{"name":"Labha","start":"12:10","end":"13:28","startHours":12.173774707958856,"endHours":13.465979682063583,"quality":"auspicious"},{"name":"Amṛta","start":"13:28","end":"14:45","startHours":13.465979682063583,"endHours":14.758184656168313,"quality":"auspicious"},{"name":"Kāla","start":"14:45","end":"16:03","startHours":14.758184656168313,"endHours":16.05038963027304,"quality":"inauspicious"},{"name":"Śubha","start":"16:03","end":"17:21","startHours":16.05038963027304,"endHours":17.34259460437777,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:21","end":"19:03","startHours":17.34259460437777,"endHours":19.05038963027304,"quality":"auspicious"},{"name":"Kāla","start":"19:03","end":"20:45","startHours":19.05038963027304,"endHours":20.75818465616831,"quality":"inauspicious"},{"name":"Śubha","start":"20:45","end":"22:28","startHours":20.75818465616831,"endHours":22.465979682063583,"quality":"auspicious"},{"name":"Roga","start":"22:28","end":"00:10","startHours":22.465979682063583,"endHours":24.173774707958856,"quality":"inauspicious"},{"name":"Udveg","start":"00:10","end":"01:53","startHours":24.173774707958856,"endHours":25.881569733854125,"quality":"inauspicious"},{"name":"Chala","start":"01:53","end":"03:35","startHours":25.881569733854125,"endHours":27.589364759749397,"quality":"neutral"},{"name":"Labha","start":"03:35","end":"05:18","startHours":27.589364759749397,"endHours":29.297159785644666,"quality":"auspicious"},{"name":"Amṛta","start":"05:18","end":"07:00","startHours":29.297159785644666,"endHours":31.00495481153994,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:00","end":"08:00","startHours":7.00495481153994,"endHours":8.004954811539939,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:00","end":"09:00","startHours":8.004954811539939,"endHours":9.004954811539939,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:00","end":"10:00","startHours":9.004954811539939,"endHours":10.004954811539939,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:00","end":"11:00","startHours":10.004954811539939,"endHours":11.004954811539939,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:00","end":"12:00","startHours":11.004954811539939,"endHours":12.004954811539939,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:00","end":"13:00","startHours":12.004954811539939,"endHours":13.004954811539939,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:00","end":"14:00","startHours":13.004954811539939,"endHours":14.004954811539939,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:00","end":"15:00","startHours":14.004954811539939,"endHours":15.004954811539939,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:00","end":"16:00","startHours":15.004954811539939,"endHours":16.00495481153994,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:00","end":"17:00","startHours":16.00495481153994,"endHours":17.00495481153994,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:00","end":"18:00","startHours":17.00495481153994,"endHours":18.00495481153994,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:00","end":"19:00","startHours":18.00495481153994,"endHours":19.00495481153994,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:00","end":"20:00","startHours":19.00495481153994,"endHours":20.00495481153994,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:00","end":"21:00","startHours":20.00495481153994,"endHours":21.00495481153994,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:00","end":"22:00","startHours":21.00495481153994,"endHours":22.00495481153994,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:00","end":"23:00","startHours":22.00495481153994,"endHours":23.00495481153994,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:00","end":"00:00","startHours":23.00495481153994,"endHours":24.00495481153994,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:00","end":"01:00","startHours":24.00495481153994,"endHours":25.00495481153994,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:00","end":"02:00","startHours":25.00495481153994,"endHours":26.00495481153994,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:00","end":"03:00","startHours":26.00495481153994,"endHours":27.00495481153994,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:00","end":"04:00","startHours":27.00495481153994,"endHours":28.00495481153994,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:00","end":"05:00","startHours":28.00495481153994,"endHours":29.00495481153994,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:00","end":"06:00","startHours":29.00495481153994,"endHours":30.00495481153994,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:00","end":"07:00","startHours":30.00495481153994,"endHours":31.00495481153994,"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":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-East","rahuVasa":"North-West","anandadiYoga":{"name":"Śubha","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":-23.42107378458563,"eotMinutes":1.851917522468745,"ayanamsa":21.9946}},"calendars":{"vikram_samvat":1923,"vikram_samvatsara":"Pramāthi","saka_samvat":1788,"saka_samvatsara":"Akṣaya","bengali_samvat":1273,"malayalam_era":1042,"nanakshahi_year":397,"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 1923 Pramāthi · Śaka 1788 Akṣaya"},"festivals":[],"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":[{"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":"bareilly"},"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, 1866 CE · Bareilly, Uttar Pradesh · Vidhyamitra","description":"December 20, 1866 CE for Bareilly, Uttar Pradesh: Śukla Caturdaśī, sūryodaya 07:00, sūryāsta 17:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/bareilly/1866-12-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/bareilly/1866-12-20","sa":"https://sa.vidhyamitra.com/city/bareilly/1866-12-20","hi":"https://hi.vidhyamitra.com/city/bareilly/1866-12-20","x-default":"https://vidhyamitra.com/city/bareilly/1866-12-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T23:00:22.862Z","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":"2026-05-31T23:00:22.862Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T23:00:22.862Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}