{"id":"vidhyamitra:city-day:bareilly:2171-04-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/bareilly/2171-04-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2171-04-13","date_display":"April 13, 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":4,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514103.770833,"kali_year":5272,"ahargana":1925638.2708,"sun":{"sidereal_longitude":356.5288,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":84.3078,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":87.779,"elapsed_within_tithi_degrees":3.779},"nakshatra":{"number":7,"name":"Punarvasu","pada":2,"moon_longitude":84.3078,"elapsed_within_degrees":4.3078},"yoga":{"number":7,"name":"Sukarma","sum_longitude":80.8366},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":4,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2514103.770833,"ahargana":1925638.2708,"kali_year":5272,"ayanamsa_lahiri":26.2456,"grahas":{"sun":{"sidereal_longitude":356.783705,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":80.59130500000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false,"latitude":3.6342},"mars":{"sidereal_longitude":357.48150499999997,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":329.97700499999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":164.55130499999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"venus":{"sidereal_longitude":332.873605,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":316.205605,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":30.4176,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":210.4176,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","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":4,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514103.770833,"kali_year":5272,"ahargana":1925638.2708,"sun":{"sidereal_longitude":356.5288,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":84.3078,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":87.779,"elapsed_within_tithi_degrees":3.779},"nakshatra":{"number":7,"name":"Punarvasu","pada":2,"moon_longitude":84.3078,"elapsed_within_degrees":4.3078},"yoga":{"number":7,"name":"Sukarma","sum_longitude":80.8366},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.634,"elongation":87.779},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.634,"opposition_distance":92.221}},"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":"05:50","sunsetLocal":"18:36","solarNoonLocal":"12:13","dayLengthHours":12.778851667609974,"dayLengthDisplay":"12 Hours 46 Mins 44 Secs","nightLengthDisplay":"11 Hours 13 Mins 16 Secs","moonriseLocal":"10:54","moonsetLocal":"00:43","rahuKala":{"name":"Rāhu Kāla","start":"09:01","end":"10:37","startHours":9.022757263592577,"endHours":10.620113722043826,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:49","end":"15:25","startHours":13.814826638946318,"endHours":15.412183097397566,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:50","end":"07:26","startHours":5.828044346690085,"endHours":7.425400805141331,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:49","end":"09:14","startHours":8.809776402465745,"endHours":9.235738124719411,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:22","end":"06:42","startHours":6.360496499507168,"endHours":6.7012658773101,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:47","end":"12:39","startHours":11.791508458241406,"endHours":12.643431902748738,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:07","end":"04:59","startHours":4.124197457675422,"endHours":4.976120902182753,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:46","end":"05:50","startHours":4.76314004105592,"endHours":5.828044346690085,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:21","end":"15:12","startHours":14.3472787917634,"endHours":15.199202236270732,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:24","end":"18:48","startHours":18.40689601430006,"endHours":18.806896014300058,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:36","end":"19:08","startHours":18.60689601430006,"endHours":19.13934816711714,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:21","end":"20:06","startHours":18.35689601430006,"endHours":20.10689601430006,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:47","end":"00:39","startHours":23.791508458241402,"endHours":24.643431902748738,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:50","end":"07:26","startHours":5.828044346690085,"endHours":7.425400805141331,"quality":"inauspicious"},{"name":"Śubha","start":"07:26","end":"09:01","startHours":7.425400805141331,"endHours":9.022757263592577,"quality":"auspicious"},{"name":"Roga","start":"09:01","end":"10:37","startHours":9.022757263592577,"endHours":10.620113722043826,"quality":"inauspicious"},{"name":"Udveg","start":"10:37","end":"12:13","startHours":10.620113722043826,"endHours":12.217470180495072,"quality":"inauspicious"},{"name":"Chala","start":"12:13","end":"13:49","startHours":12.217470180495072,"endHours":13.814826638946318,"quality":"neutral"},{"name":"Labha","start":"13:49","end":"15:25","startHours":13.814826638946318,"endHours":15.412183097397566,"quality":"auspicious"},{"name":"Amṛta","start":"15:25","end":"17:01","startHours":15.412183097397566,"endHours":17.00953955584881,"quality":"auspicious"},{"name":"Kāla","start":"17:01","end":"18:36","startHours":17.00953955584881,"endHours":18.60689601430006,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:36","end":"20:01","startHours":18.60689601430006,"endHours":20.00953955584881,"quality":"auspicious"},{"name":"Amṛta","start":"20:01","end":"21:25","startHours":20.00953955584881,"endHours":21.412183097397566,"quality":"auspicious"},{"name":"Kāla","start":"21:25","end":"22:49","startHours":21.412183097397566,"endHours":22.814826638946318,"quality":"inauspicious"},{"name":"Śubha","start":"22:49","end":"00:13","startHours":22.814826638946318,"endHours":24.21747018049507,"quality":"auspicious"},{"name":"Roga","start":"00:13","end":"01:37","startHours":24.21747018049507,"endHours":25.620113722043826,"quality":"inauspicious"},{"name":"Udveg","start":"01:37","end":"03:01","startHours":25.620113722043826,"endHours":27.022757263592577,"quality":"inauspicious"},{"name":"Chala","start":"03:01","end":"04:26","startHours":27.022757263592577,"endHours":28.42540080514133,"quality":"neutral"},{"name":"Labha","start":"04:26","end":"05:50","startHours":28.42540080514133,"endHours":29.828044346690085,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:50","end":"06:50","startHours":5.828044346690085,"endHours":6.828044346690085,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:50","end":"07:50","startHours":6.828044346690085,"endHours":7.828044346690085,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:50","end":"08:50","startHours":7.828044346690085,"endHours":8.828044346690085,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:50","end":"09:50","startHours":8.828044346690085,"endHours":9.828044346690085,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:50","end":"10:50","startHours":9.828044346690085,"endHours":10.828044346690085,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:50","end":"11:50","startHours":10.828044346690085,"endHours":11.828044346690085,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:50","end":"12:50","startHours":11.828044346690085,"endHours":12.828044346690085,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:50","end":"13:50","startHours":12.828044346690085,"endHours":13.828044346690085,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:50","end":"14:50","startHours":13.828044346690085,"endHours":14.828044346690085,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:50","end":"15:50","startHours":14.828044346690085,"endHours":15.828044346690085,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:50","end":"16:50","startHours":15.828044346690085,"endHours":16.828044346690085,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:50","end":"17:50","startHours":16.828044346690085,"endHours":17.828044346690085,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:50","end":"18:50","startHours":17.828044346690085,"endHours":18.828044346690085,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:50","end":"19:50","startHours":18.828044346690085,"endHours":19.828044346690085,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:50","end":"20:50","startHours":19.828044346690085,"endHours":20.828044346690085,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:50","end":"21:50","startHours":20.828044346690085,"endHours":21.828044346690085,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:50","end":"22:50","startHours":21.828044346690085,"endHours":22.828044346690085,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:50","end":"23:50","startHours":22.828044346690085,"endHours":23.828044346690085,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:50","end":"00:50","startHours":23.828044346690085,"endHours":24.828044346690085,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:50","end":"01:50","startHours":24.828044346690085,"endHours":25.828044346690085,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:50","end":"02:50","startHours":25.828044346690085,"endHours":26.828044346690085,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:50","end":"03:50","startHours":26.828044346690085,"endHours":27.828044346690085,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:50","end":"04:50","startHours":27.828044346690085,"endHours":28.828044346690085,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:50","end":"05:50","startHours":28.828044346690085,"endHours":29.828044346690085,"planetary_lord":"Mercury"}],"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","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":8.95122989638425,"eotMinutes":-0.7698108297043191,"ayanamsa":26.2456}},"calendars":{"vikram_samvat":2228,"vikram_samvatsara":"Tāraṇa","saka_samvat":2093,"saka_samvatsara":"Prajāpati","bengali_samvat":1578,"malayalam_era":1347,"nanakshahi_year":702,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Aṣṭamī · Vikram 2228 Tāraṇa · Śaka 2093 Prajāpati"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","relevance":0.5},{"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":"bareilly"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga April 13, 2171 CE · Bareilly, Uttar Pradesh · Vidhyamitra","description":"April 13, 2171 CE for Bareilly, Uttar Pradesh: Śukla Aṣṭamī, sūryodaya 05:50, sūryāsta 18:36.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/bareilly/2171-04-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/bareilly/2171-04-13","sa":"https://sa.vidhyamitra.com/city/bareilly/2171-04-13","hi":"https://hi.vidhyamitra.com/city/bareilly/2171-04-13","x-default":"https://vidhyamitra.com/city/bareilly/2171-04-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T07:20:45.501Z","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":"2026-05-31T07:20:45.501Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T07:20:45.501Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}