{"id":"vidhyamitra:city-day:ayodhya:1813-10-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1813-10-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1813-10-15","date_display":"October 15, 1813 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":1813,"month":10,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2383531.770833,"kali_year":4915,"ahargana":1795066.2708,"sun":{"sidereal_longitude":179.7703,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":66.0183,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":246.248,"elapsed_within_tithi_degrees":6.248},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":66.0183,"elapsed_within_degrees":12.685},"yoga":{"number":19,"name":"Parigha","sum_longitude":245.7886},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1813,"month":10,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2383531.770833,"ahargana":1795066.2708,"kali_year":4915,"ayanamsa_lahiri":21.2517,"grahas":{"sun":{"sidereal_longitude":180.05051600000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":69.25411600000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false,"latitude":-3.0519},"mars":{"sidereal_longitude":295.44221600000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":186.16681600000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":133.50651600000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":219.43711600000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":263.98201600000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":108.7505,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":288.7505,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"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":1813,"month":10,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2383531.770833,"kali_year":4915,"ahargana":1795066.2708,"sun":{"sidereal_longitude":179.7703,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":66.0183,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":246.248,"elapsed_within_tithi_degrees":6.248},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":66.0183,"elapsed_within_degrees":12.685},"yoga":{"number":19,"name":"Parigha","sum_longitude":245.7886},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.052,"elongation":113.752},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.052,"opposition_distance":66.248}},"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":"05:59","sunsetLocal":"17:33","solarNoonLocal":"11:46","dayLengthHours":11.56203268557167,"dayLengthDisplay":"11 Hours 33 Mins 43 Secs","nightLengthDisplay":"12 Hours 26 Mins 17 Secs","moonriseLocal":"21:30","moonsetLocal":"11:17","rahuKala":{"name":"Rāhu Kāla","start":"10:20","end":"11:46","startHours":10.326865408115076,"endHours":11.772119493811534,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:40","end":"16:06","startHours":14.662627665204452,"endHours":16.107881750900912,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:26","end":"08:53","startHours":7.436357236722158,"endHours":8.881611322418618,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:41","end":"09:04","startHours":8.688910777659089,"endHours":9.074311867178146,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:28","end":"06:47","startHours":6.472854512924519,"endHours":6.781175384539763,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:23","end":"12:09","startHours":11.386718404292479,"endHours":12.157520583330589,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:27","end":"05:13","startHours":4.449498792949477,"endHours":5.220300971987588,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:02","end":"05:59","startHours":5.0276004272280606,"endHours":5.991103151025699,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:42","end":"14:28","startHours":13.699124941406813,"endHours":14.469927120444925,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:21","end":"17:45","startHours":17.35313583659737,"endHours":17.75313583659737,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:33","end":"18:02","startHours":17.55313583659737,"endHours":18.03488719849619,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:18","end":"19:03","startHours":17.30313583659737,"endHours":19.05313583659737,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:23","end":"00:09","startHours":23.386718404292477,"endHours":24.15752058333059,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:59","end":"07:26","startHours":5.991103151025699,"endHours":7.436357236722158,"quality":"neutral"},{"name":"Labha","start":"07:26","end":"08:53","startHours":7.436357236722158,"endHours":8.881611322418618,"quality":"auspicious"},{"name":"Amṛta","start":"08:53","end":"10:20","startHours":8.881611322418618,"endHours":10.326865408115076,"quality":"auspicious"},{"name":"Kāla","start":"10:20","end":"11:46","startHours":10.326865408115076,"endHours":11.772119493811534,"quality":"inauspicious"},{"name":"Śubha","start":"11:46","end":"13:13","startHours":11.772119493811534,"endHours":13.217373579507994,"quality":"auspicious"},{"name":"Roga","start":"13:13","end":"14:40","startHours":13.217373579507994,"endHours":14.662627665204452,"quality":"inauspicious"},{"name":"Udveg","start":"14:40","end":"16:06","startHours":14.662627665204452,"endHours":16.107881750900912,"quality":"inauspicious"},{"name":"Chala","start":"16:06","end":"17:33","startHours":16.107881750900912,"endHours":17.55313583659737,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:33","end":"19:06","startHours":17.55313583659737,"endHours":19.107881750900912,"quality":"inauspicious"},{"name":"Udveg","start":"19:06","end":"20:40","startHours":19.107881750900912,"endHours":20.662627665204454,"quality":"inauspicious"},{"name":"Chala","start":"20:40","end":"22:13","startHours":20.662627665204454,"endHours":22.217373579507992,"quality":"neutral"},{"name":"Labha","start":"22:13","end":"23:46","startHours":22.217373579507992,"endHours":23.772119493811534,"quality":"auspicious"},{"name":"Amṛta","start":"23:46","end":"01:20","startHours":23.772119493811534,"endHours":25.326865408115076,"quality":"auspicious"},{"name":"Kāla","start":"01:20","end":"02:53","startHours":25.326865408115076,"endHours":26.881611322418618,"quality":"inauspicious"},{"name":"Śubha","start":"02:53","end":"04:26","startHours":26.881611322418618,"endHours":28.43635723672216,"quality":"auspicious"},{"name":"Roga","start":"04:26","end":"05:59","startHours":28.43635723672216,"endHours":29.991103151025698,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:59","end":"06:59","startHours":5.991103151025699,"endHours":6.991103151025699,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:59","end":"07:59","startHours":6.991103151025699,"endHours":7.991103151025699,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:59","end":"08:59","startHours":7.991103151025699,"endHours":8.9911031510257,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:59","end":"09:59","startHours":8.9911031510257,"endHours":9.9911031510257,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:59","end":"10:59","startHours":9.9911031510257,"endHours":10.9911031510257,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:59","end":"11:59","startHours":10.9911031510257,"endHours":11.9911031510257,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:59","end":"12:59","startHours":11.9911031510257,"endHours":12.9911031510257,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:59","end":"13:59","startHours":12.9911031510257,"endHours":13.9911031510257,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:59","end":"14:59","startHours":13.9911031510257,"endHours":14.9911031510257,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:59","end":"15:59","startHours":14.9911031510257,"endHours":15.9911031510257,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:59","end":"16:59","startHours":15.9911031510257,"endHours":16.991103151025698,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:59","end":"17:59","startHours":16.991103151025698,"endHours":17.991103151025698,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:59","end":"18:59","startHours":17.991103151025698,"endHours":18.991103151025698,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:59","end":"19:59","startHours":18.991103151025698,"endHours":19.991103151025698,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:59","end":"20:59","startHours":19.991103151025698,"endHours":20.991103151025698,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:59","end":"21:59","startHours":20.991103151025698,"endHours":21.991103151025698,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:59","end":"22:59","startHours":21.991103151025698,"endHours":22.991103151025698,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:59","end":"23:59","startHours":22.991103151025698,"endHours":23.991103151025698,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:59","end":"00:59","startHours":23.991103151025698,"endHours":24.991103151025698,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:59","end":"01:59","startHours":24.991103151025698,"endHours":25.991103151025698,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:59","end":"02:59","startHours":25.991103151025698,"endHours":26.991103151025698,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:59","end":"03:59","startHours":26.991103151025698,"endHours":27.991103151025698,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:59","end":"04:59","startHours":27.991103151025698,"endHours":28.991103151025698,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:59","end":"05:59","startHours":28.991103151025698,"endHours":29.991103151025698,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"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":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-8.307813230362392,"eotMinutes":14.85683037130801,"ayanamsa":21.2517}},"calendars":{"vikram_samvat":1870,"vikram_samvatsara":"Vyaya","saka_samvat":1735,"saka_samvatsara":"Śrīmukha","bengali_samvat":1220,"malayalam_era":989,"nanakshahi_year":344,"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 Ṣaṣṭhī · Vikram 1870 Vyaya · Śaka 1735 Śrīmukha"},"festivals":[{"id":"tula-sankranti","name":"Tulā Saṅkrānti","name_sanskrit":"तुला सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Libra.","vrata":false,"detection":{"sun_rashi_ingress":"Tulā"},"precedence":5}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 15, 1813 CE · Ayodhyā · Vidhyamitra","description":"October 15, 1813 CE for Ayodhyā: Kṛṣṇa Ṣaṣṭhī, sūryodaya 05:59, sūryāsta 17:33.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1813-10-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1813-10-15","sa":"https://sa.vidhyamitra.com/city/ayodhya/1813-10-15","hi":"https://hi.vidhyamitra.com/city/ayodhya/1813-10-15","x-default":"https://vidhyamitra.com/city/ayodhya/1813-10-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T11:17:27.943Z","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":"2026-05-31T11:17:27.943Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T11:17:27.943Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}