{"id":"vidhyamitra:city-day:ayodhya:1810-10-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1810-10-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1810-10-16","date_display":"October 16, 1810 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":1810,"month":10,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2382436.770833,"kali_year":4912,"ahargana":1793971.2708,"sun":{"sidereal_longitude":180.5427,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":43.2577,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":222.715,"elapsed_within_tithi_degrees":6.715},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":43.2577,"elapsed_within_degrees":3.2577},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":223.8004},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1810,"month":10,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2382436.770833,"ahargana":1793971.2708,"kali_year":4912,"ayanamsa_lahiri":21.2099,"grahas":{"sun":{"sidereal_longitude":180.81445299999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":42.09075300000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false,"latitude":-3.7508},"mars":{"sidereal_longitude":143.97405300000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":186.68635300000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":41.53625299999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":true},"venus":{"sidereal_longitude":230.328753,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":232.35935300000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":166.7689,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":346.7689,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","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":1810,"month":10,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2382436.770833,"kali_year":4912,"ahargana":1793971.2708,"sun":{"sidereal_longitude":180.5427,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":43.2577,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":222.715,"elapsed_within_tithi_degrees":6.715},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":43.2577,"elapsed_within_degrees":3.2577},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":223.8004},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.751,"elongation":137.285},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.751,"opposition_distance":42.715}},"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":"06:00","sunsetLocal":"17:32","solarNoonLocal":"11:46","dayLengthHours":11.543514179594986,"dayLengthDisplay":"11 Hours 32 Mins 37 Secs","nightLengthDisplay":"12 Hours 27 Mins 23 Secs","moonriseLocal":"19:44","moonsetLocal":"09:18","rahuKala":{"name":"Rāhu Kāla","start":"14:39","end":"16:06","startHours":14.654816385379062,"endHours":16.097755657828436,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:53","end":"10:20","startHours":8.88305929558157,"endHours":10.325998568030943,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:46","end":"13:13","startHours":11.768937840480316,"endHours":13.211877112929688,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:41","end":"09:05","startHours":8.69066739258832,"endHours":9.075451198574818,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:29","end":"06:47","startHours":6.4781605081659475,"endHours":6.785987552955147,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:23","end":"12:09","startHours":11.384154034493816,"endHours":12.153721646466815,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:27","end":"05:14","startHours":4.458045526736825,"endHours":5.227613138709824,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:02","end":"06:00","startHours":5.035221235716574,"endHours":5.997180750682823,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:42","end":"14:28","startHours":13.692856870412813,"endHours":14.462424482385812,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:20","end":"17:44","startHours":17.34069493027781,"endHours":17.740694930277808,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:32","end":"18:01","startHours":17.54069493027781,"endHours":18.02167468776093,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:17","end":"19:02","startHours":17.29069493027781,"endHours":19.04069493027781,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:23","end":"00:09","startHours":23.384154034493815,"endHours":24.153721646466817,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:00","end":"07:26","startHours":5.997180750682823,"endHours":7.440120023132196,"quality":"inauspicious"},{"name":"Udveg","start":"07:26","end":"08:53","startHours":7.440120023132196,"endHours":8.88305929558157,"quality":"inauspicious"},{"name":"Chala","start":"08:53","end":"10:20","startHours":8.88305929558157,"endHours":10.325998568030943,"quality":"neutral"},{"name":"Labha","start":"10:20","end":"11:46","startHours":10.325998568030943,"endHours":11.768937840480316,"quality":"auspicious"},{"name":"Amṛta","start":"11:46","end":"13:13","startHours":11.768937840480316,"endHours":13.211877112929688,"quality":"auspicious"},{"name":"Kāla","start":"13:13","end":"14:39","startHours":13.211877112929688,"endHours":14.654816385379062,"quality":"inauspicious"},{"name":"Śubha","start":"14:39","end":"16:06","startHours":14.654816385379062,"endHours":16.097755657828436,"quality":"auspicious"},{"name":"Roga","start":"16:06","end":"17:32","startHours":16.097755657828436,"endHours":17.54069493027781,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:32","end":"19:06","startHours":17.54069493027781,"endHours":19.097755657828436,"quality":"inauspicious"},{"name":"Śubha","start":"19:06","end":"20:39","startHours":19.097755657828436,"endHours":20.654816385379064,"quality":"auspicious"},{"name":"Roga","start":"20:39","end":"22:13","startHours":20.654816385379064,"endHours":22.211877112929688,"quality":"inauspicious"},{"name":"Udveg","start":"22:13","end":"23:46","startHours":22.211877112929688,"endHours":23.768937840480316,"quality":"inauspicious"},{"name":"Chala","start":"23:46","end":"01:20","startHours":23.768937840480316,"endHours":25.325998568030943,"quality":"neutral"},{"name":"Labha","start":"01:20","end":"02:53","startHours":25.325998568030943,"endHours":26.883059295581567,"quality":"auspicious"},{"name":"Amṛta","start":"02:53","end":"04:26","startHours":26.883059295581567,"endHours":28.440120023132195,"quality":"auspicious"},{"name":"Kāla","start":"04:26","end":"06:00","startHours":28.440120023132195,"endHours":29.997180750682823,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:00","end":"07:00","startHours":5.997180750682823,"endHours":6.997180750682823,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:00","end":"08:00","startHours":6.997180750682823,"endHours":7.997180750682823,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:00","end":"09:00","startHours":7.997180750682823,"endHours":8.997180750682823,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:00","end":"10:00","startHours":8.997180750682823,"endHours":9.997180750682823,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:00","end":"11:00","startHours":9.997180750682823,"endHours":10.997180750682823,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:00","end":"12:00","startHours":10.997180750682823,"endHours":11.997180750682823,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:00","end":"13:00","startHours":11.997180750682823,"endHours":12.997180750682823,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:00","end":"14:00","startHours":12.997180750682823,"endHours":13.997180750682823,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:00","end":"15:00","startHours":13.997180750682823,"endHours":14.997180750682823,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:00","end":"16:00","startHours":14.997180750682823,"endHours":15.997180750682823,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:00","end":"17:00","startHours":15.997180750682823,"endHours":16.997180750682823,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:00","end":"18:00","startHours":16.997180750682823,"endHours":17.997180750682823,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:00","end":"19:00","startHours":17.997180750682823,"endHours":18.997180750682823,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:00","end":"20:00","startHours":18.997180750682823,"endHours":19.997180750682823,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:00","end":"21:00","startHours":19.997180750682823,"endHours":20.997180750682823,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:00","end":"22:00","startHours":20.997180750682823,"endHours":21.997180750682823,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:00","end":"23:00","startHours":21.997180750682823,"endHours":22.997180750682823,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:00","end":"00:00","startHours":22.997180750682823,"endHours":23.997180750682823,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:00","end":"01:00","startHours":23.997180750682823,"endHours":24.997180750682823,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:00","end":"02:00","startHours":24.997180750682823,"endHours":25.997180750682823,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:00","end":"03:00","startHours":25.997180750682823,"endHours":26.997180750682823,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:00","end":"04:00","startHours":26.997180750682823,"endHours":27.997180750682823,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:00","end":"05:00","startHours":27.997180750682823,"endHours":28.997180750682823,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:00","end":"06:00","startHours":28.997180750682823,"endHours":29.997180750682823,"planetary_lord":"Saturn"}],"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":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"North","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-8.577667063370424,"eotMinutes":15.04772957118102,"ayanamsa":21.2099}},"calendars":{"vikram_samvat":1867,"vikram_samvatsara":"Subhānu","saka_samvat":1732,"saka_samvatsara":"Pramoda","bengali_samvat":1217,"malayalam_era":986,"nanakshahi_year":341,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Kārtika","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Kṛṣṇa Caturthī · Vikram 1867 Subhānu · Śaka 1732 Pramoda"},"festivals":[{"id":"karva-chauth","name":"Karvā Chauth","name_sanskrit":"करवा चौथ","tradition":"Pan-Hindu","associated_deity":"Pārvatī + Gaṇeśa + Chandra","significance":"North Indian wives' fast for husband's longevity. Kṛṣṇa Caturthī of Kārtika.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa","lunar_month":"Kārtika"},"precedence":2},{"id":"angarika-chaturthi","name":"Aṅgāraka Caturthī (Tuesday Caturthī)","name_sanskrit":"अङ्गारक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa + Maṅgala","significance":"Tuesday-Caturthī (rare); supremely auspicious for Maṅgala-doṣa-nivāraṇa.","vrata":true,"detection":{"any_of":[{"tithi_number":4,"vara_name":"Maṅgalavāra (Tuesday)"},{"tithi_number":19,"vara_name":"Maṅgalavāra (Tuesday)"}]},"precedence":3},{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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":"ayodhya"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga October 16, 1810 CE · Ayodhyā · Vidhyamitra","description":"October 16, 1810 CE for Ayodhyā: Kṛṣṇa Caturthī, sūryodaya 06:00, sūryāsta 17:32.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1810-10-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1810-10-16","sa":"https://sa.vidhyamitra.com/city/ayodhya/1810-10-16","hi":"https://hi.vidhyamitra.com/city/ayodhya/1810-10-16","x-default":"https://vidhyamitra.com/city/ayodhya/1810-10-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T14:29:51.414Z","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":"2026-05-31T14:29:51.415Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T14:29:51.415Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}