{"id":"vidhyamitra:city-day:ayodhya:1971-10-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1971-10-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1971-10-13","date_display":"October 13, 1971 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":1971,"month":10,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441237.770833,"kali_year":5073,"ahargana":1852772.2708,"sun":{"sidereal_longitude":174.9211,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":103.1814,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":288.2603,"elapsed_within_tithi_degrees":0.2603},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":103.1814,"elapsed_within_degrees":9.8481},"yoga":{"number":21,"name":"Siddha","sum_longitude":278.1025},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"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":1971,"month":10,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2441237.770833,"ahargana":1852772.2708,"kali_year":5073,"ayanamsa_lahiri":23.4588,"grahas":{"sun":{"sidereal_longitude":175.59022200000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":106.61362199999996,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false,"latitude":0.6278},"mars":{"sidereal_longitude":295.68712200000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":179.07942200000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":222.35832200000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":188.33372199999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":42.935922000000005,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":291.2089,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":111.2089,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":1971,"month":10,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441237.770833,"kali_year":5073,"ahargana":1852772.2708,"sun":{"sidereal_longitude":174.9211,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":103.1814,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":288.2603,"elapsed_within_tithi_degrees":0.2603},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":103.1814,"elapsed_within_degrees":9.8481},"yoga":{"number":21,"name":"Siddha","sum_longitude":278.1025},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.628,"elongation":71.74},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.628,"opposition_distance":108.26}},"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":"05:58","sunsetLocal":"17:35","solarNoonLocal":"11:47","dayLengthHours":11.620145416584137,"dayLengthDisplay":"11 Hours 37 Mins 13 Secs","nightLengthDisplay":"12 Hours 22 Mins 47 Secs","moonriseLocal":"00:31","moonsetLocal":"13:51","rahuKala":{"name":"Rāhu Kāla","start":"11:47","end":"13:14","startHours":11.779026179865411,"endHours":13.231544356938429,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:25","end":"08:52","startHours":7.42147164864636,"endHours":8.873989825719377,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:20","end":"11:47","startHours":10.326508002792394,"endHours":11.779026179865411,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:41","end":"09:04","startHours":8.680320735442976,"endHours":9.067658915995779,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:27","end":"06:46","startHours":6.453126197264349,"endHours":6.762996741706592,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:24","end":"12:10","startHours":11.391687999312607,"endHours":12.166364360418216,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:25","end":"05:12","startHours":4.419600749362125,"endHours":5.194277110467734,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:00","end":"05:58","startHours":5.000608020191332,"endHours":5.968953471573343,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:43","end":"14:29","startHours":13.715717082629434,"endHours":14.490393443735043,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:23","end":"17:47","startHours":17.38909888815748,"endHours":17.78909888815748,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:35","end":"18:04","startHours":17.58909888815748,"endHours":18.073271613848487,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:20","end":"19:05","startHours":17.33909888815748,"endHours":19.08909888815748,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:24","end":"00:10","startHours":23.391687999312605,"endHours":24.166364360418218,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:58","end":"07:25","startHours":5.968953471573343,"endHours":7.42147164864636,"quality":"auspicious"},{"name":"Amṛta","start":"07:25","end":"08:52","startHours":7.42147164864636,"endHours":8.873989825719377,"quality":"auspicious"},{"name":"Kāla","start":"08:52","end":"10:20","startHours":8.873989825719377,"endHours":10.326508002792394,"quality":"inauspicious"},{"name":"Śubha","start":"10:20","end":"11:47","startHours":10.326508002792394,"endHours":11.779026179865411,"quality":"auspicious"},{"name":"Roga","start":"11:47","end":"13:14","startHours":11.779026179865411,"endHours":13.231544356938429,"quality":"inauspicious"},{"name":"Udveg","start":"13:14","end":"14:41","startHours":13.231544356938429,"endHours":14.684062534011446,"quality":"inauspicious"},{"name":"Chala","start":"14:41","end":"16:08","startHours":14.684062534011446,"endHours":16.136580711084463,"quality":"neutral"},{"name":"Labha","start":"16:08","end":"17:35","startHours":16.136580711084463,"endHours":17.58909888815748,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:35","end":"19:08","startHours":17.58909888815748,"endHours":19.136580711084463,"quality":"inauspicious"},{"name":"Chala","start":"19:08","end":"20:41","startHours":19.136580711084463,"endHours":20.684062534011446,"quality":"neutral"},{"name":"Labha","start":"20:41","end":"22:14","startHours":20.684062534011446,"endHours":22.23154435693843,"quality":"auspicious"},{"name":"Amṛta","start":"22:14","end":"23:47","startHours":22.23154435693843,"endHours":23.77902617986541,"quality":"auspicious"},{"name":"Kāla","start":"23:47","end":"01:20","startHours":23.77902617986541,"endHours":25.326508002792394,"quality":"inauspicious"},{"name":"Śubha","start":"01:20","end":"02:52","startHours":25.326508002792394,"endHours":26.873989825719377,"quality":"auspicious"},{"name":"Roga","start":"02:52","end":"04:25","startHours":26.873989825719377,"endHours":28.42147164864636,"quality":"inauspicious"},{"name":"Udveg","start":"04:25","end":"05:58","startHours":28.42147164864636,"endHours":29.968953471573343,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:58","end":"06:58","startHours":5.968953471573343,"endHours":6.968953471573343,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:58","end":"07:58","startHours":6.968953471573343,"endHours":7.968953471573343,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:58","end":"08:58","startHours":7.968953471573343,"endHours":8.968953471573343,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:58","end":"09:58","startHours":8.968953471573343,"endHours":9.968953471573343,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:58","end":"10:58","startHours":9.968953471573343,"endHours":10.968953471573343,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:58","end":"11:58","startHours":10.968953471573343,"endHours":11.968953471573343,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:58","end":"12:58","startHours":11.968953471573343,"endHours":12.968953471573343,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:58","end":"13:58","startHours":12.968953471573343,"endHours":13.968953471573343,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:58","end":"14:58","startHours":13.968953471573343,"endHours":14.968953471573343,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:58","end":"15:58","startHours":14.968953471573343,"endHours":15.968953471573343,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:58","end":"16:58","startHours":15.968953471573343,"endHours":16.968953471573343,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:58","end":"17:58","startHours":16.968953471573343,"endHours":17.968953471573343,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:58","end":"18:58","startHours":17.968953471573343,"endHours":18.968953471573343,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:58","end":"19:58","startHours":18.968953471573343,"endHours":19.968953471573343,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:58","end":"20:58","startHours":19.968953471573343,"endHours":20.968953471573343,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:58","end":"21:58","startHours":20.968953471573343,"endHours":21.968953471573343,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:58","end":"22:58","startHours":21.968953471573343,"endHours":22.968953471573343,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:58","end":"23:58","startHours":22.968953471573343,"endHours":23.968953471573343,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:58","end":"00:58","startHours":23.968953471573343,"endHours":24.968953471573343,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:58","end":"01:58","startHours":24.968953471573343,"endHours":25.968953471573343,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:58","end":"02:58","startHours":25.968953471573343,"endHours":26.968953471573343,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:58","end":"03:58","startHours":26.968953471573343,"endHours":27.968953471573343,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:58","end":"04:58","startHours":27.968953471573343,"endHours":28.968953471573343,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:58","end":"05:58","startHours":28.968953471573343,"endHours":29.968953471573343,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"South-West","anandadiYoga":{"name":"Śubha","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":-7.458655500314101,"eotMinutes":14.442429208075392,"ayanamsa":23.4588}},"calendars":{"vikram_samvat":2028,"vikram_samvatsara":"Raktākṣī","saka_samvat":1893,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1378,"malayalam_era":1147,"nanakshahi_year":502,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Daśamī · Vikram 2028 Raktākṣī · Śaka 1893 Virodhakṛt"},"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":"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 13, 1971 CE · Ayodhyā · Vidhyamitra","description":"October 13, 1971 CE for Ayodhyā: Kṛṣṇa Daśamī, sūryodaya 05:58, sūryāsta 17:35.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1971-10-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1971-10-13","sa":"https://sa.vidhyamitra.com/city/ayodhya/1971-10-13","hi":"https://hi.vidhyamitra.com/city/ayodhya/1971-10-13","x-default":"https://vidhyamitra.com/city/ayodhya/1971-10-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T06:59:02.464Z","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":"2026-05-19T06:59:02.465Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T06:59:02.465Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}