{"id":"vidhyamitra:city-day:bareilly:2171-12-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/bareilly/2171-12-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2171-12-20","date_display":"December 20, 2171 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":2171,"month":12,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514354.770833,"kali_year":5273,"ahargana":1925889.2708,"sun":{"sidereal_longitude":240.9214,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":151.3539,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":270.4325,"elapsed_within_tithi_degrees":6.4325},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":151.3539,"elapsed_within_degrees":4.6872},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":32.2753},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2171,"month":12,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2514354.770833,"ahargana":1925889.2708,"kali_year":5273,"ayanamsa_lahiri":26.2552,"grahas":{"sun":{"sidereal_longitude":241.69571499999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"moon":{"sidereal_longitude":148.89491499999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false,"latitude":3.2225},"mars":{"sidereal_longitude":160.12631499999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":235.073215,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":192.938215,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":280.57711500000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":314.9945150000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":17.1184,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":197.1184,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","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":2171,"month":12,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514354.770833,"kali_year":5273,"ahargana":1925889.2708,"sun":{"sidereal_longitude":240.9214,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":151.3539,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":270.4325,"elapsed_within_tithi_degrees":6.4325},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":151.3539,"elapsed_within_degrees":4.6872},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":32.2753},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.223,"elongation":89.568},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.223,"opposition_distance":90.432}},"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":10.33767913721351,"dayLengthDisplay":"10 Hours 20 Mins 16 Secs","nightLengthDisplay":"13 Hours 39 Mins 44 Secs","moonriseLocal":"23:52","moonsetLocal":"12:06","rahuKala":{"name":"Rāhu Kāla","start":"10:53","end":"12:10","startHours":10.881564815807165,"endHours":12.173774707958852,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:45","end":"16:03","startHours":14.75819449226223,"endHours":16.05040438441392,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:18","end":"09:35","startHours":8.297145031503787,"endHours":9.589354923655476,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:25","end":"09:46","startHours":9.417060271368584,"endHours":9.761649575942368,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:26","end":"07:43","startHours":7.4356717700693284,"endHours":7.711343213728355,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:31","startHours":11.82918540338507,"endHours":12.518364012532638,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:38","end":"06:19","startHours":5.626577921056963,"endHours":6.315756530204531,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:09","end":"07:00","startHours":6.143461877917639,"endHours":7.004935139352098,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:54","end":"14:35","startHours":13.896721230827772,"endHours":14.58589983997534,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:09","end":"17:33","startHours":17.14261427656561,"endHours":17.542614276565608,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:21","end":"17:46","startHours":17.34261427656561,"endHours":17.77335090728284,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:06","end":"18:51","startHours":17.09261427656561,"endHours":18.84261427656561,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:31","startHours":23.829185403385072,"endHours":24.51836401253264,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:00","end":"08:18","startHours":7.004935139352098,"endHours":8.297145031503787,"quality":"neutral"},{"name":"Labha","start":"08:18","end":"09:35","startHours":8.297145031503787,"endHours":9.589354923655476,"quality":"auspicious"},{"name":"Amṛta","start":"09:35","end":"10:53","startHours":9.589354923655476,"endHours":10.881564815807165,"quality":"auspicious"},{"name":"Kāla","start":"10:53","end":"12:10","startHours":10.881564815807165,"endHours":12.173774707958852,"quality":"inauspicious"},{"name":"Śubha","start":"12:10","end":"13:28","startHours":12.173774707958852,"endHours":13.465984600110541,"quality":"auspicious"},{"name":"Roga","start":"13:28","end":"14:45","startHours":13.465984600110541,"endHours":14.75819449226223,"quality":"inauspicious"},{"name":"Udveg","start":"14:45","end":"16:03","startHours":14.75819449226223,"endHours":16.05040438441392,"quality":"inauspicious"},{"name":"Chala","start":"16:03","end":"17:21","startHours":16.05040438441392,"endHours":17.34261427656561,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:21","end":"19:03","startHours":17.34261427656561,"endHours":19.05040438441392,"quality":"inauspicious"},{"name":"Udveg","start":"19:03","end":"20:45","startHours":19.05040438441392,"endHours":20.75819449226223,"quality":"inauspicious"},{"name":"Chala","start":"20:45","end":"22:28","startHours":20.75819449226223,"endHours":22.465984600110545,"quality":"neutral"},{"name":"Labha","start":"22:28","end":"00:10","startHours":22.465984600110545,"endHours":24.173774707958856,"quality":"auspicious"},{"name":"Amṛta","start":"00:10","end":"01:53","startHours":24.173774707958856,"endHours":25.881564815807167,"quality":"auspicious"},{"name":"Kāla","start":"01:53","end":"03:35","startHours":25.881564815807167,"endHours":27.589354923655478,"quality":"inauspicious"},{"name":"Śubha","start":"03:35","end":"05:18","startHours":27.589354923655478,"endHours":29.29714503150379,"quality":"auspicious"},{"name":"Roga","start":"05:18","end":"07:00","startHours":29.29714503150379,"endHours":31.0049351393521,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:00","end":"08:00","startHours":7.004935139352098,"endHours":8.0049351393521,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:00","end":"09:00","startHours":8.0049351393521,"endHours":9.0049351393521,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:00","end":"10:00","startHours":9.0049351393521,"endHours":10.0049351393521,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:00","end":"11:00","startHours":10.0049351393521,"endHours":11.0049351393521,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:00","end":"12:00","startHours":11.0049351393521,"endHours":12.0049351393521,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:00","end":"13:00","startHours":12.0049351393521,"endHours":13.0049351393521,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:00","end":"14:00","startHours":13.0049351393521,"endHours":14.0049351393521,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:00","end":"15:00","startHours":14.0049351393521,"endHours":15.0049351393521,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:00","end":"16:00","startHours":15.0049351393521,"endHours":16.0049351393521,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:00","end":"17:00","startHours":16.0049351393521,"endHours":17.0049351393521,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:00","end":"18:00","startHours":17.0049351393521,"endHours":18.0049351393521,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:00","end":"19:00","startHours":18.0049351393521,"endHours":19.0049351393521,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:00","end":"20:00","startHours":19.0049351393521,"endHours":20.0049351393521,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:00","end":"21:00","startHours":20.0049351393521,"endHours":21.0049351393521,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:00","end":"22:00","startHours":21.0049351393521,"endHours":22.0049351393521,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:00","end":"23:00","startHours":22.0049351393521,"endHours":23.0049351393521,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:00","end":"00:00","startHours":23.0049351393521,"endHours":24.0049351393521,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:00","end":"01:00","startHours":24.0049351393521,"endHours":25.0049351393521,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:00","end":"02:00","startHours":25.0049351393521,"endHours":26.0049351393521,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:00","end":"03:00","startHours":26.0049351393521,"endHours":27.0049351393521,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:00","end":"04:00","startHours":27.0049351393521,"endHours":28.0049351393521,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:00","end":"05:00","startHours":28.0049351393521,"endHours":29.0049351393521,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:00","end":"06:00","startHours":29.0049351393521,"endHours":30.0049351393521,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:00","end":"07:00","startHours":30.0049351393521,"endHours":31.0049351393521,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"West","rahuVasa":"South-East","anandadiYoga":{"name":"Prajāpati","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":-23.420618949392832,"eotMinutes":1.851917522468745,"ayanamsa":26.2552}},"calendars":{"vikram_samvat":2228,"vikram_samvatsara":"Tāraṇa","saka_samvat":2093,"saka_samvatsara":"Prajāpati","bengali_samvat":1578,"malayalam_era":1347,"nanakshahi_year":702,"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 Aṣṭamī · Vikram 2228 Tāraṇa · Śaka 2093 Prajāpati"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 Kṛṣṇa Aṣṭamī","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, 2171 CE · Bareilly, Uttar Pradesh · Vidhyamitra","description":"December 20, 2171 CE for Bareilly, Uttar Pradesh: Kṛṣṇa Aṣṭamī, sūryodaya 07:00, sūryāsta 17:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/bareilly/2171-12-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/bareilly/2171-12-20","sa":"https://sa.vidhyamitra.com/city/bareilly/2171-12-20","hi":"https://hi.vidhyamitra.com/city/bareilly/2171-12-20","x-default":"https://vidhyamitra.com/city/bareilly/2171-12-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T12:42:48.786Z","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":"2026-05-31T12:42:48.786Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T12:42:48.786Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}