{"id":"vidhyamitra:city-day:ayodhya:1866-04-10:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1866-04-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1866-04-10","date_display":"April 10, 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":4,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2402701.770833,"kali_year":4967,"ahargana":1814236.2708,"sun":{"sidereal_longitude":358.4078,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":291.0217,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":292.614,"elapsed_within_tithi_degrees":4.614},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4,"moon_longitude":291.0217,"elapsed_within_degrees":11.0217},"yoga":{"number":22,"name":"Sādhya","sum_longitude":289.4295},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"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":1866,"month":4,"day":10,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2402701.770833,"ahargana":1814236.2708,"kali_year":4967,"ayanamsa_lahiri":21.9849,"grahas":{"sun":{"sidereal_longitude":357.956581,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":287.92518100000007,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false,"latitude":3.9727},"mars":{"sidereal_longitude":321.33328099999994,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":6.9553809999999885,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":280.16118099999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"venus":{"sidereal_longitude":10.617480999999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":199.513281,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":173.0317,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":353.0317,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","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":4,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2402701.770833,"kali_year":4967,"ahargana":1814236.2708,"sun":{"sidereal_longitude":358.4078,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":291.0217,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":292.614,"elapsed_within_tithi_degrees":4.614},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4,"moon_longitude":291.0217,"elapsed_within_degrees":11.0217},"yoga":{"number":22,"name":"Sādhya","sum_longitude":289.4295},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.973,"elongation":67.386},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.973,"opposition_distance":112.614}},"eclipse_window_40days":[{"offset_days":-10,"type":"lunar","occurs":true,"moon_latitude":-0.419,"opposition_distance":0.379}]},"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":"05:43","sunsetLocal":"18:22","solarNoonLocal":"12:03","dayLengthHours":12.654720183165743,"dayLengthDisplay":"12 Hours 39 Mins 17 Secs","nightLengthDisplay":"11 Hours 20 Mins 43 Secs","moonriseLocal":"01:57","moonsetLocal":"12:48","rahuKala":{"name":"Rāhu Kāla","start":"15:13","end":"16:48","startHours":15.210197638544189,"endHours":16.792037661439906,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:53","end":"10:28","startHours":8.882837546961317,"endHours":10.464677569857034,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:03","end":"13:38","startHours":12.046517592752753,"endHours":13.628357615648472,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:40","end":"09:06","startHours":8.671925543908555,"endHours":9.09374955001408,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:15","end":"06:35","startHours":6.246437508801788,"endHours":6.583896713686207,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:37","end":"12:28","startHours":11.62469358664723,"endHours":12.468341598858277,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:02","end":"04:53","startHours":4.031861476747783,"endHours":4.875509488958832,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:40","end":"05:43","startHours":4.66459748590607,"endHours":5.719157501169882,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"15:00","startHours":14.155637623280377,"endHours":14.999285635491427,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:10","end":"18:34","startHours":18.173877684335626,"endHours":18.573877684335624,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:22","end":"18:54","startHours":18.373877684335625,"endHours":18.90115769196753,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:07","end":"19:52","startHours":18.123877684335625,"endHours":19.873877684335625,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:37","end":"00:28","startHours":23.62469358664723,"endHours":24.468341598858277,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:43","end":"07:18","startHours":5.719157501169882,"endHours":7.3009975240655995,"quality":"inauspicious"},{"name":"Udveg","start":"07:18","end":"08:53","startHours":7.3009975240655995,"endHours":8.882837546961317,"quality":"inauspicious"},{"name":"Chala","start":"08:53","end":"10:28","startHours":8.882837546961317,"endHours":10.464677569857034,"quality":"neutral"},{"name":"Labha","start":"10:28","end":"12:03","startHours":10.464677569857034,"endHours":12.046517592752753,"quality":"auspicious"},{"name":"Amṛta","start":"12:03","end":"13:38","startHours":12.046517592752753,"endHours":13.628357615648472,"quality":"auspicious"},{"name":"Kāla","start":"13:38","end":"15:13","startHours":13.628357615648472,"endHours":15.210197638544189,"quality":"inauspicious"},{"name":"Śubha","start":"15:13","end":"16:48","startHours":15.210197638544189,"endHours":16.792037661439906,"quality":"auspicious"},{"name":"Roga","start":"16:48","end":"18:22","startHours":16.792037661439906,"endHours":18.373877684335625,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:22","end":"19:48","startHours":18.373877684335625,"endHours":19.792037661439906,"quality":"inauspicious"},{"name":"Śubha","start":"19:48","end":"21:13","startHours":19.792037661439906,"endHours":21.210197638544187,"quality":"auspicious"},{"name":"Roga","start":"21:13","end":"22:38","startHours":21.210197638544187,"endHours":22.628357615648472,"quality":"inauspicious"},{"name":"Udveg","start":"22:38","end":"00:03","startHours":22.628357615648472,"endHours":24.046517592752753,"quality":"inauspicious"},{"name":"Chala","start":"00:03","end":"01:28","startHours":24.046517592752753,"endHours":25.464677569857034,"quality":"neutral"},{"name":"Labha","start":"01:28","end":"02:53","startHours":25.464677569857034,"endHours":26.88283754696132,"quality":"auspicious"},{"name":"Amṛta","start":"02:53","end":"04:18","startHours":26.88283754696132,"endHours":28.3009975240656,"quality":"auspicious"},{"name":"Kāla","start":"04:18","end":"05:43","startHours":28.3009975240656,"endHours":29.71915750116988,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:43","end":"06:43","startHours":5.719157501169882,"endHours":6.719157501169882,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:43","end":"07:43","startHours":6.719157501169882,"endHours":7.719157501169882,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:43","end":"08:43","startHours":7.719157501169882,"endHours":8.719157501169882,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:43","end":"09:43","startHours":8.719157501169882,"endHours":9.719157501169882,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:43","end":"10:43","startHours":9.719157501169882,"endHours":10.719157501169882,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:43","end":"11:43","startHours":10.719157501169882,"endHours":11.719157501169882,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:43","end":"12:43","startHours":11.719157501169882,"endHours":12.719157501169882,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:43","end":"13:43","startHours":12.719157501169882,"endHours":13.719157501169882,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:43","end":"14:43","startHours":13.719157501169882,"endHours":14.719157501169882,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:43","end":"15:43","startHours":14.719157501169882,"endHours":15.719157501169882,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:43","end":"16:43","startHours":15.719157501169882,"endHours":16.71915750116988,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:43","end":"17:43","startHours":16.71915750116988,"endHours":17.71915750116988,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:43","end":"18:43","startHours":17.71915750116988,"endHours":18.71915750116988,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:43","end":"19:43","startHours":18.71915750116988,"endHours":19.71915750116988,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:43","end":"20:43","startHours":19.71915750116988,"endHours":20.71915750116988,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:43","end":"21:43","startHours":20.71915750116988,"endHours":21.71915750116988,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:43","end":"22:43","startHours":21.71915750116988,"endHours":22.71915750116988,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:43","end":"23:43","startHours":22.71915750116988,"endHours":23.71915750116988,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:43","end":"00:43","startHours":23.71915750116988,"endHours":24.71915750116988,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:43","end":"01:43","startHours":24.71915750116988,"endHours":25.71915750116988,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:43","end":"02:43","startHours":25.71915750116988,"endHours":26.71915750116988,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:43","end":"03:43","startHours":26.71915750116988,"endHours":27.71915750116988,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:43","end":"04:43","startHours":27.71915750116988,"endHours":28.71915750116988,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:43","end":"05:43","startHours":28.71915750116988,"endHours":29.71915750116988,"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":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"North","anandadiYoga":{"name":"Kāladaṇḍa","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":7.796249374708768,"eotMinutes":-1.6070555651651,"ayanamsa":21.9849}},"calendars":{"vikram_samvat":1923,"vikram_samvatsara":"Pramāthi","saka_samvat":1788,"saka_samvatsara":"Akṣaya","bengali_samvat":1273,"malayalam_era":1042,"nanakshahi_year":397,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","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":"Vaiśākha Kṛṣṇa Daśamī · Vikram 1923 Pramāthi · Śaka 1788 Akṣaya"},"festivals":[],"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":[]},"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 April 10, 1866 CE · Ayodhyā · Vidhyamitra","description":"April 10, 1866 CE for Ayodhyā: Kṛṣṇa Daśamī, sūryodaya 05:43, sūryāsta 18:22.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1866-04-10","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1866-04-10","sa":"https://sa.vidhyamitra.com/city/ayodhya/1866-04-10","hi":"https://hi.vidhyamitra.com/city/ayodhya/1866-04-10","x-default":"https://vidhyamitra.com/city/ayodhya/1866-04-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T19:59:01.786Z","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":"2026-06-01T19:59:01.786Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T19:59:01.786Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}