{"id":"vidhyamitra:city-day:ayodhya:1812-10-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1812-10-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1812-10-21","date_display":"October 21, 1812 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":1812,"month":10,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2383172.770833,"kali_year":4914,"ahargana":1794707.2708,"sun":{"sidereal_longitude":186.0096,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":15.3303,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":189.3207,"elapsed_within_tithi_degrees":9.3207},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":15.3303,"elapsed_within_degrees":1.997},"yoga":{"number":16,"name":"Siddhi","sum_longitude":201.3399},"karana":{"half_tithi_index":31,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1812,"month":10,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2383172.770833,"ahargana":1794707.2708,"kali_year":4914,"ayanamsa_lahiri":21.238,"grahas":{"sun":{"sidereal_longitude":186.27213200000006,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":16.057632000000012,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false,"latitude":-4.1586},"mars":{"sidereal_longitude":159.87363200000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":183.57423199999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":107.791832,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":142.79463199999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":253.654132,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":127.7721,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":307.7721,"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":1812,"month":10,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2383172.770833,"kali_year":4914,"ahargana":1794707.2708,"sun":{"sidereal_longitude":186.0096,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":15.3303,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":189.3207,"elapsed_within_tithi_degrees":9.3207},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":15.3303,"elapsed_within_degrees":1.997},"yoga":{"number":16,"name":"Siddhi","sum_longitude":201.3399},"karana":{"half_tithi_index":31,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.159,"elongation":170.679},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.159,"opposition_distance":9.321}},"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":"06:03","sunsetLocal":"17:27","solarNoonLocal":"11:45","dayLengthHours":11.404787633017772,"dayLengthDisplay":"11 Hours 24 Mins 17 Secs","nightLengthDisplay":"12 Hours 35 Mins 43 Secs","moonriseLocal":"17:53","moonsetLocal":"06:56","rahuKala":{"name":"Rāhu Kāla","start":"11:45","end":"13:11","startHours":11.755909657221586,"endHours":13.181508111348808,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:29","end":"08:54","startHours":7.479114294839922,"endHours":8.904712748967144,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:20","end":"11:45","startHours":10.330311203094364,"endHours":11.755909657221586,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:43","end":"09:06","startHours":8.714632955083514,"endHours":9.094792542850774,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:32","end":"06:50","startHours":6.528715325421775,"endHours":6.832842995635582,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:23","end":"12:08","startHours":11.375750069454329,"endHours":12.136069244988848,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:32","end":"05:18","startHours":4.532877489643665,"endHours":5.293196665178183,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:06","end":"06:03","startHours":5.103116871294554,"endHours":6.053515840712701,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:39","end":"14:25","startHours":13.656707596057881,"endHours":14.417026771592399,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:15","end":"17:39","startHours":17.258303473730475,"endHours":17.658303473730474,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:27","end":"17:56","startHours":17.458303473730474,"endHours":17.933502958439547,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:12","end":"18:57","startHours":17.208303473730474,"endHours":18.958303473730474,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:23","end":"00:08","startHours":23.375750069454327,"endHours":24.136069244988846,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:03","end":"07:29","startHours":6.053515840712701,"endHours":7.479114294839922,"quality":"auspicious"},{"name":"Amṛta","start":"07:29","end":"08:54","startHours":7.479114294839922,"endHours":8.904712748967144,"quality":"auspicious"},{"name":"Kāla","start":"08:54","end":"10:20","startHours":8.904712748967144,"endHours":10.330311203094364,"quality":"inauspicious"},{"name":"Śubha","start":"10:20","end":"11:45","startHours":10.330311203094364,"endHours":11.755909657221586,"quality":"auspicious"},{"name":"Roga","start":"11:45","end":"13:11","startHours":11.755909657221586,"endHours":13.181508111348808,"quality":"inauspicious"},{"name":"Udveg","start":"13:11","end":"14:36","startHours":13.181508111348808,"endHours":14.60710656547603,"quality":"inauspicious"},{"name":"Chala","start":"14:36","end":"16:02","startHours":14.60710656547603,"endHours":16.032705019603252,"quality":"neutral"},{"name":"Labha","start":"16:02","end":"17:27","startHours":16.032705019603252,"endHours":17.458303473730474,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:27","end":"19:02","startHours":17.458303473730474,"endHours":19.032705019603252,"quality":"inauspicious"},{"name":"Chala","start":"19:02","end":"20:36","startHours":19.032705019603252,"endHours":20.60710656547603,"quality":"neutral"},{"name":"Labha","start":"20:36","end":"22:11","startHours":20.60710656547603,"endHours":22.181508111348812,"quality":"auspicious"},{"name":"Amṛta","start":"22:11","end":"23:45","startHours":22.181508111348812,"endHours":23.755909657221586,"quality":"auspicious"},{"name":"Kāla","start":"23:45","end":"01:20","startHours":23.755909657221586,"endHours":25.330311203094368,"quality":"inauspicious"},{"name":"Śubha","start":"01:20","end":"02:54","startHours":25.330311203094368,"endHours":26.904712748967146,"quality":"auspicious"},{"name":"Roga","start":"02:54","end":"04:29","startHours":26.904712748967146,"endHours":28.479114294839924,"quality":"inauspicious"},{"name":"Udveg","start":"04:29","end":"06:03","startHours":28.479114294839924,"endHours":30.053515840712702,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:03","end":"07:03","startHours":6.053515840712701,"endHours":7.053515840712701,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:03","end":"08:03","startHours":7.053515840712701,"endHours":8.053515840712702,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:03","end":"09:03","startHours":8.053515840712702,"endHours":9.053515840712702,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:03","end":"10:03","startHours":9.053515840712702,"endHours":10.053515840712702,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:03","end":"11:03","startHours":10.053515840712702,"endHours":11.053515840712702,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:03","end":"12:03","startHours":11.053515840712702,"endHours":12.053515840712702,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:03","end":"13:03","startHours":12.053515840712702,"endHours":13.053515840712702,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:03","end":"14:03","startHours":13.053515840712702,"endHours":14.053515840712702,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:03","end":"15:03","startHours":14.053515840712702,"endHours":15.053515840712702,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:03","end":"16:03","startHours":15.053515840712702,"endHours":16.053515840712702,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:03","end":"17:03","startHours":16.053515840712702,"endHours":17.053515840712702,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:03","end":"18:03","startHours":17.053515840712702,"endHours":18.053515840712702,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:03","end":"19:03","startHours":18.053515840712702,"endHours":19.053515840712702,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:03","end":"20:03","startHours":19.053515840712702,"endHours":20.053515840712702,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:03","end":"21:03","startHours":20.053515840712702,"endHours":21.053515840712702,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:03","end":"22:03","startHours":21.053515840712702,"endHours":22.053515840712702,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:03","end":"23:03","startHours":22.053515840712702,"endHours":23.053515840712702,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:03","end":"00:03","startHours":23.053515840712702,"endHours":24.053515840712702,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:03","end":"01:03","startHours":24.053515840712702,"endHours":25.053515840712702,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:03","end":"02:03","startHours":25.053515840712702,"endHours":26.053515840712702,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:03","end":"03:03","startHours":26.053515840712702,"endHours":27.053515840712702,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:03","end":"04:03","startHours":27.053515840712702,"endHours":28.053515840712702,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:03","end":"05:03","startHours":28.053515840712702,"endHours":29.053515840712702,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:03","end":"06:03","startHours":29.053515840712702,"endHours":30.053515840712702,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"South-West","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-10.586211443374388,"eotMinutes":15.829420566704727,"ayanamsa":21.238}},"calendars":{"vikram_samvat":1869,"vikram_samvatsara":"Pārthiva","saka_samvat":1734,"saka_samvatsara":"Aṅgirasa","bengali_samvat":1219,"malayalam_era":988,"nanakshahi_year":343,"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 Pratipada · Vikram 1869 Pārthiva · Śaka 1734 Aṅgirasa"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 October 21, 1812 CE · Ayodhyā · Vidhyamitra","description":"October 21, 1812 CE for Ayodhyā: Kṛṣṇa Pratipada, sūryodaya 06:03, sūryāsta 17:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1812-10-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1812-10-21","sa":"https://sa.vidhyamitra.com/city/ayodhya/1812-10-21","hi":"https://hi.vidhyamitra.com/city/ayodhya/1812-10-21","x-default":"https://vidhyamitra.com/city/ayodhya/1812-10-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T13:22:54.156Z","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":"2026-06-02T13:22:54.156Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T13:22:54.156Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}