{"id":"vidhyamitra:city-day:ayodhya:1997-10-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1997-10-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1997-10-13","date_display":"October 13, 1997 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":1997,"month":10,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450734.770833,"kali_year":5099,"ahargana":1862269.2708,"sun":{"sidereal_longitude":175.1911,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":314.1209,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":138.9298,"elapsed_within_tithi_degrees":6.9298},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3,"moon_longitude":314.1209,"elapsed_within_degrees":7.4542},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":129.312},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1997,"month":10,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450734.770833,"ahargana":1862269.2708,"kali_year":5099,"ayanamsa_lahiri":23.822,"grahas":{"sun":{"sidereal_longitude":175.92356700000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":312.254867,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false,"latitude":1.0793},"mars":{"sidereal_longitude":226.19716700000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":175.27376700000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":288.3083670000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"venus":{"sidereal_longitude":221.480867,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":352.801967,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":148.0122,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":328.0122,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","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":1997,"month":10,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450734.770833,"kali_year":5099,"ahargana":1862269.2708,"sun":{"sidereal_longitude":175.1911,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":314.1209,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":138.9298,"elapsed_within_tithi_degrees":6.9298},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3,"moon_longitude":314.1209,"elapsed_within_degrees":7.4542},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":129.312},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.079,"elongation":138.93},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.079,"opposition_distance":41.07}},"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":"17:35","solarNoonLocal":"11:47","dayLengthHours":11.602129153470486,"dayLengthDisplay":"11 Hours 36 Mins 08 Secs","nightLengthDisplay":"12 Hours 23 Mins 52 Secs","moonriseLocal":"15:08","moonsetLocal":"02:36","rahuKala":{"name":"Rāhu Kāla","start":"07:26","end":"08:53","startHours":7.428227747313979,"endHours":8.87849389149779,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:20","end":"11:47","startHours":10.3287600356816,"endHours":11.779026179865411,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:14","end":"14:41","startHours":13.229292324049222,"endHours":14.679558468233033,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:41","end":"09:04","startHours":8.685125072273282,"endHours":9.071862710722298,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:28","end":"06:46","startHours":6.461383651191439,"endHours":6.770773761950652,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:24","end":"12:10","startHours":11.392288541416395,"endHours":12.165763818314428,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:26","end":"05:12","startHours":4.431011049334104,"endHours":5.204486326232136,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:01","end":"05:59","startHours":5.011117507007628,"endHours":5.9779616031301686,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:43","end":"14:29","startHours":13.712714372110494,"endHours":14.486189649008526,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:23","end":"17:47","startHours":17.380090756600655,"endHours":17.780090756600654,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:35","end":"18:04","startHours":17.580090756600654,"endHours":18.063512804661926,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:20","end":"19:05","startHours":17.330090756600654,"endHours":19.080090756600654,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:24","end":"00:10","startHours":23.392288541416395,"endHours":24.165763818314428,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:59","end":"07:26","startHours":5.9779616031301686,"endHours":7.428227747313979,"quality":"auspicious"},{"name":"Kāla","start":"07:26","end":"08:53","startHours":7.428227747313979,"endHours":8.87849389149779,"quality":"inauspicious"},{"name":"Śubha","start":"08:53","end":"10:20","startHours":8.87849389149779,"endHours":10.3287600356816,"quality":"auspicious"},{"name":"Roga","start":"10:20","end":"11:47","startHours":10.3287600356816,"endHours":11.779026179865411,"quality":"inauspicious"},{"name":"Udveg","start":"11:47","end":"13:14","startHours":11.779026179865411,"endHours":13.229292324049222,"quality":"inauspicious"},{"name":"Chala","start":"13:14","end":"14:41","startHours":13.229292324049222,"endHours":14.679558468233033,"quality":"neutral"},{"name":"Labha","start":"14:41","end":"16:08","startHours":14.679558468233033,"endHours":16.129824612416844,"quality":"auspicious"},{"name":"Amṛta","start":"16:08","end":"17:35","startHours":16.129824612416844,"endHours":17.580090756600654,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:35","end":"19:08","startHours":17.580090756600654,"endHours":19.129824612416844,"quality":"neutral"},{"name":"Labha","start":"19:08","end":"20:41","startHours":19.129824612416844,"endHours":20.679558468233033,"quality":"auspicious"},{"name":"Amṛta","start":"20:41","end":"22:14","startHours":20.679558468233033,"endHours":22.229292324049222,"quality":"auspicious"},{"name":"Kāla","start":"22:14","end":"23:47","startHours":22.229292324049222,"endHours":23.77902617986541,"quality":"inauspicious"},{"name":"Śubha","start":"23:47","end":"01:20","startHours":23.77902617986541,"endHours":25.3287600356816,"quality":"auspicious"},{"name":"Roga","start":"01:20","end":"02:53","startHours":25.3287600356816,"endHours":26.87849389149779,"quality":"inauspicious"},{"name":"Udveg","start":"02:53","end":"04:26","startHours":26.87849389149779,"endHours":28.42822774731398,"quality":"inauspicious"},{"name":"Chala","start":"04:26","end":"05:59","startHours":28.42822774731398,"endHours":29.97796160313017,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:59","end":"06:59","startHours":5.9779616031301686,"endHours":6.9779616031301686,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:59","end":"07:59","startHours":6.9779616031301686,"endHours":7.9779616031301686,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:59","end":"08:59","startHours":7.9779616031301686,"endHours":8.977961603130169,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:59","end":"09:59","startHours":8.977961603130169,"endHours":9.977961603130169,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:59","end":"10:59","startHours":9.977961603130169,"endHours":10.977961603130169,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:59","end":"11:59","startHours":10.977961603130169,"endHours":11.977961603130169,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:59","end":"12:59","startHours":11.977961603130169,"endHours":12.977961603130169,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:59","end":"13:59","startHours":12.977961603130169,"endHours":13.977961603130169,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:59","end":"14:59","startHours":13.977961603130169,"endHours":14.977961603130169,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:59","end":"15:59","startHours":14.977961603130169,"endHours":15.977961603130169,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:59","end":"16:59","startHours":15.977961603130169,"endHours":16.97796160313017,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:59","end":"17:59","startHours":16.97796160313017,"endHours":17.97796160313017,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:59","end":"18:59","startHours":17.97796160313017,"endHours":18.97796160313017,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:59","end":"19:59","startHours":18.97796160313017,"endHours":19.97796160313017,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:59","end":"20:59","startHours":19.97796160313017,"endHours":20.97796160313017,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:59","end":"21:59","startHours":20.97796160313017,"endHours":21.97796160313017,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:59","end":"22:59","startHours":21.97796160313017,"endHours":22.97796160313017,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:59","end":"23:59","startHours":22.97796160313017,"endHours":23.97796160313017,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:59","end":"00:59","startHours":23.97796160313017,"endHours":24.97796160313017,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:59","end":"01:59","startHours":24.97796160313017,"endHours":25.97796160313017,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:59","end":"02:59","startHours":25.97796160313017,"endHours":26.97796160313017,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:59","end":"03:59","startHours":26.97796160313017,"endHours":27.97796160313017,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:59","end":"04:59","startHours":27.97796160313017,"endHours":28.97796160313017,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:59","end":"05:59","startHours":28.97796160313017,"endHours":29.97796160313017,"planetary_lord":"Venus"}],"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":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-7.722277489864528,"eotMinutes":14.442429208075392,"ayanamsa":23.822}},"calendars":{"vikram_samvat":2054,"vikram_samvatsara":"Vikṛti","saka_samvat":1919,"saka_samvatsara":"Īśvara","bengali_samvat":1404,"malayalam_era":1173,"nanakshahi_year":528,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Dvādaśī · Vikram 2054 Vikṛti · Śaka 1919 Īśvara"},"festivals":[{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi":"Kanyā"},"precedence":4}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 13, 1997 CE · Ayodhyā · Vidhyamitra","description":"October 13, 1997 CE for Ayodhyā: Śukla Dvādaśī, sūryodaya 05:59, sūryāsta 17:35.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1997-10-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1997-10-13","sa":"https://sa.vidhyamitra.com/city/ayodhya/1997-10-13","hi":"https://hi.vidhyamitra.com/city/ayodhya/1997-10-13","x-default":"https://vidhyamitra.com/city/ayodhya/1997-10-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T00:48:57.402Z","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":"2026-05-17T00:48:57.402Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T00:48:57.402Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}