{"id":"vidhyamitra:city-day:ayodhya:1850-01-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1850-01-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1850-01-17","date_display":"January 17, 1850 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":1850,"month":1,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2396774.770833,"kali_year":4951,"ahargana":1808309.2708,"sun":{"sidereal_longitude":275.1562,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":317.1233,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":41.9672,"elapsed_within_tithi_degrees":5.9672},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4,"moon_longitude":317.1233,"elapsed_within_degrees":10.4567},"yoga":{"number":18,"name":"Varīyān","sum_longitude":232.2795},"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":1850,"month":1,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2396774.770833,"ahargana":1808309.2708,"kali_year":4951,"ayanamsa_lahiri":21.7582,"grahas":{"sun":{"sidereal_longitude":274.8849359999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":313.909636,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false,"latitude":-0.7846},"mars":{"sidereal_longitude":58.62243599999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":293.96823599999993,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":153.00093600000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":true},"venus":{"sidereal_longitude":266.0908360000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":342.851036,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":127.0726,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":307.0726,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"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":1850,"month":1,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2396774.770833,"kali_year":4951,"ahargana":1808309.2708,"sun":{"sidereal_longitude":275.1562,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":317.1233,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":41.9672,"elapsed_within_tithi_degrees":5.9672},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4,"moon_longitude":317.1233,"elapsed_within_degrees":10.4567},"yoga":{"number":18,"name":"Varīyān","sum_longitude":232.2795},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.785,"elongation":41.967},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.785,"opposition_distance":138.033}},"eclipse_window_40days":[{"offset_days":11,"type":"lunar","occurs":true,"moon_latitude":-1.498,"opposition_distance":0.609}]},"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":"06:51","sunsetLocal":"17:31","solarNoonLocal":"12:11","dayLengthHours":10.65856658481902,"dayLengthDisplay":"10 Hours 39 Mins 31 Secs","nightLengthDisplay":"13 Hours 20 Mins 29 Secs","moonriseLocal":"09:04","moonsetLocal":"20:31","rahuKala":{"name":"Rāhu Kāla","start":"13:31","end":"14:51","startHours":13.519155635537523,"endHours":14.851476458639901,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:51","end":"08:11","startHours":6.857551520025635,"endHours":8.189872343128012,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:31","end":"10:51","startHours":9.522193166230391,"endHours":10.854513989332768,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:21","end":"09:42","startHours":9.344550389816739,"endHours":9.69983594264404,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:18","end":"07:35","startHours":7.301658461059761,"endHours":7.585886903321601,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:33","startHours":11.831549259607844,"endHours":12.542120365262445,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:26","end":"06:09","startHours":5.436409308716432,"endHours":6.146980414371034,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:58","end":"06:51","startHours":5.969337637957383,"endHours":6.857551520025635,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:40","startHours":13.963262576571648,"endHours":14.673833682226249,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:19","end":"17:43","startHours":17.316118104844655,"endHours":17.716118104844654,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:31","end":"17:58","startHours":17.516118104844654,"endHours":17.96022504587878,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:16","end":"19:01","startHours":17.266118104844654,"endHours":19.016118104844654,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:33","startHours":23.831549259607844,"endHours":24.542120365262445,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:51","end":"08:11","startHours":6.857551520025635,"endHours":8.189872343128012,"quality":"auspicious"},{"name":"Roga","start":"08:11","end":"09:31","startHours":8.189872343128012,"endHours":9.522193166230391,"quality":"inauspicious"},{"name":"Udveg","start":"09:31","end":"10:51","startHours":9.522193166230391,"endHours":10.854513989332768,"quality":"inauspicious"},{"name":"Chala","start":"10:51","end":"12:11","startHours":10.854513989332768,"endHours":12.186834812435144,"quality":"neutral"},{"name":"Labha","start":"12:11","end":"13:31","startHours":12.186834812435144,"endHours":13.519155635537523,"quality":"auspicious"},{"name":"Amṛta","start":"13:31","end":"14:51","startHours":13.519155635537523,"endHours":14.851476458639901,"quality":"auspicious"},{"name":"Kāla","start":"14:51","end":"16:11","startHours":14.851476458639901,"endHours":16.183797281742276,"quality":"inauspicious"},{"name":"Śubha","start":"16:11","end":"17:31","startHours":16.183797281742276,"endHours":17.516118104844654,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:31","end":"19:11","startHours":17.516118104844654,"endHours":19.183797281742276,"quality":"auspicious"},{"name":"Kāla","start":"19:11","end":"20:51","startHours":19.183797281742276,"endHours":20.8514764586399,"quality":"inauspicious"},{"name":"Śubha","start":"20:51","end":"22:31","startHours":20.8514764586399,"endHours":22.519155635537523,"quality":"auspicious"},{"name":"Roga","start":"22:31","end":"00:11","startHours":22.519155635537523,"endHours":24.186834812435144,"quality":"inauspicious"},{"name":"Udveg","start":"00:11","end":"01:51","startHours":24.186834812435144,"endHours":25.854513989332766,"quality":"inauspicious"},{"name":"Chala","start":"01:51","end":"03:31","startHours":25.854513989332766,"endHours":27.522193166230387,"quality":"neutral"},{"name":"Labha","start":"03:31","end":"05:11","startHours":27.522193166230387,"endHours":29.189872343128012,"quality":"auspicious"},{"name":"Amṛta","start":"05:11","end":"06:51","startHours":29.189872343128012,"endHours":30.857551520025634,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:51","end":"07:51","startHours":6.857551520025635,"endHours":7.857551520025635,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:51","end":"08:51","startHours":7.857551520025635,"endHours":8.857551520025634,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:51","end":"09:51","startHours":8.857551520025634,"endHours":9.857551520025634,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:51","end":"10:51","startHours":9.857551520025634,"endHours":10.857551520025634,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:51","end":"11:51","startHours":10.857551520025634,"endHours":11.857551520025634,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:51","end":"12:51","startHours":11.857551520025634,"endHours":12.857551520025634,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:51","end":"13:51","startHours":12.857551520025634,"endHours":13.857551520025634,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:51","end":"14:51","startHours":13.857551520025634,"endHours":14.857551520025634,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:51","end":"15:51","startHours":14.857551520025634,"endHours":15.857551520025634,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:51","end":"16:51","startHours":15.857551520025634,"endHours":16.857551520025634,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:51","end":"17:51","startHours":16.857551520025634,"endHours":17.857551520025634,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:51","end":"18:51","startHours":17.857551520025634,"endHours":18.857551520025634,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:51","end":"19:51","startHours":18.857551520025634,"endHours":19.857551520025634,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:51","end":"20:51","startHours":19.857551520025634,"endHours":20.857551520025634,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:51","end":"21:51","startHours":20.857551520025634,"endHours":21.857551520025634,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:51","end":"22:51","startHours":21.857551520025634,"endHours":22.857551520025634,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:51","end":"23:51","startHours":22.857551520025634,"endHours":23.857551520025634,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:51","end":"00:51","startHours":23.857551520025634,"endHours":24.857551520025634,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:51","end":"01:51","startHours":24.857551520025634,"endHours":25.857551520025634,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:51","end":"02:51","startHours":25.857551520025634,"endHours":26.857551520025634,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:51","end":"03:51","startHours":26.857551520025634,"endHours":27.857551520025634,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:51","end":"04:51","startHours":27.857551520025634,"endHours":28.857551520025634,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:51","end":"05:51","startHours":28.857551520025634,"endHours":29.857551520025634,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:51","end":"06:51","startHours":29.857551520025634,"endHours":30.857551520025634,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-20.82409059496799,"eotMinutes":-10.026088746108654,"ayanamsa":21.7582}},"calendars":{"vikram_samvat":1907,"vikram_samvatsara":"Rudhirodgāri","saka_samvat":1772,"saka_samvatsara":"Sādhāraṇa","bengali_samvat":1257,"malayalam_era":1026,"nanakshahi_year":381,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Caturthī · Vikram 1907 Rudhirodgāri · Śaka 1772 Sādhāraṇa"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2},{"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 January 17, 1850 CE · Ayodhyā · Vidhyamitra","description":"January 17, 1850 CE for Ayodhyā: Śukla Caturthī, sūryodaya 06:51, sūryāsta 17:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1850-01-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1850-01-17","sa":"https://sa.vidhyamitra.com/city/ayodhya/1850-01-17","hi":"https://hi.vidhyamitra.com/city/ayodhya/1850-01-17","x-default":"https://vidhyamitra.com/city/ayodhya/1850-01-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T06:07:49.643Z","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":"2026-05-19T06:07:49.643Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T06:07:49.643Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}