{"id":"vidhyamitra:city-day:ayodhya:2179-10-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2179-10-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2179-10-13","date_display":"October 13, 2179 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":2179,"month":10,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517208.770833,"kali_year":5281,"ahargana":1928743.2708,"sun":{"sidereal_longitude":172.1272,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":322.1627,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":150.0355,"elapsed_within_tithi_degrees":6.0355},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1,"moon_longitude":322.1627,"elapsed_within_degrees":2.1627},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":134.2899},"karana":{"half_tithi_index":25,"name":"Taitila"},"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":2179,"month":10,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2517208.770833,"ahargana":1928743.2708,"kali_year":5281,"ayanamsa_lahiri":26.3644,"grahas":{"sun":{"sidereal_longitude":173.30477199999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"moon":{"sidereal_longitude":324.27397199999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false,"latitude":4.4731},"mars":{"sidereal_longitude":171.190872,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":162.57007199999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":80.45897200000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"venus":{"sidereal_longitude":198.324072,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":68.14307200000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":225.8997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":45.8997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":2179,"month":10,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517208.770833,"kali_year":5281,"ahargana":1928743.2708,"sun":{"sidereal_longitude":172.1272,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":322.1627,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":150.0355,"elapsed_within_tithi_degrees":6.0355},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1,"moon_longitude":322.1627,"elapsed_within_degrees":2.1627},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":134.2899},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.473,"elongation":150.035},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.473,"opposition_distance":29.965}},"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":11.604102941517404,"dayLengthDisplay":"11 Hours 36 Mins 15 Secs","nightLengthDisplay":"12 Hours 23 Mins 45 Secs","moonriseLocal":"15:56","moonsetLocal":"03:46","rahuKala":{"name":"Rāhu Kāla","start":"11:47","end":"13:14","startHours":11.779026179865411,"endHours":13.229539047555086,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:26","end":"08:53","startHours":7.427487576796385,"endHours":8.87800044448606,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:20","end":"11:47","startHours":10.328513312175737,"endHours":11.779026179865411,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:41","end":"09:04","startHours":8.684598728794104,"endHours":9.071402160178017,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:28","end":"06:46","startHours":6.460478998336601,"endHours":6.7699217434437315,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:24","end":"12:10","startHours":11.392222748481498,"endHours":12.165829611249325,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:26","end":"05:12","startHours":4.429760983571056,"endHours":5.203367846338883,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:01","end":"05:59","startHours":5.009966130646926,"endHours":5.97697470910671,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:43","end":"14:29","startHours":13.713043336784978,"endHours":14.486650199552804,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:23","end":"17:47","startHours":17.381077650624114,"endHours":17.781077650624113,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:35","end":"18:04","startHours":17.581077650624113,"endHours":18.064581939854005,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:20","end":"19:05","startHours":17.331077650624113,"endHours":19.081077650624113,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:24","end":"00:10","startHours":23.392222748481498,"endHours":24.165829611249325,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:59","end":"07:26","startHours":5.97697470910671,"endHours":7.427487576796385,"quality":"auspicious"},{"name":"Amṛta","start":"07:26","end":"08:53","startHours":7.427487576796385,"endHours":8.87800044448606,"quality":"auspicious"},{"name":"Kāla","start":"08:53","end":"10:20","startHours":8.87800044448606,"endHours":10.328513312175737,"quality":"inauspicious"},{"name":"Śubha","start":"10:20","end":"11:47","startHours":10.328513312175737,"endHours":11.779026179865411,"quality":"auspicious"},{"name":"Roga","start":"11:47","end":"13:14","startHours":11.779026179865411,"endHours":13.229539047555086,"quality":"inauspicious"},{"name":"Udveg","start":"13:14","end":"14:41","startHours":13.229539047555086,"endHours":14.680051915244762,"quality":"inauspicious"},{"name":"Chala","start":"14:41","end":"16:08","startHours":14.680051915244762,"endHours":16.13056478293444,"quality":"neutral"},{"name":"Labha","start":"16:08","end":"17:35","startHours":16.13056478293444,"endHours":17.581077650624113,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:35","end":"19:08","startHours":17.581077650624113,"endHours":19.13056478293444,"quality":"inauspicious"},{"name":"Chala","start":"19:08","end":"20:41","startHours":19.13056478293444,"endHours":20.68005191524476,"quality":"neutral"},{"name":"Labha","start":"20:41","end":"22:14","startHours":20.68005191524476,"endHours":22.229539047555086,"quality":"auspicious"},{"name":"Amṛta","start":"22:14","end":"23:47","startHours":22.229539047555086,"endHours":23.77902617986541,"quality":"auspicious"},{"name":"Kāla","start":"23:47","end":"01:20","startHours":23.77902617986541,"endHours":25.328513312175737,"quality":"inauspicious"},{"name":"Śubha","start":"01:20","end":"02:53","startHours":25.328513312175737,"endHours":26.878000444486062,"quality":"auspicious"},{"name":"Roga","start":"02:53","end":"04:26","startHours":26.878000444486062,"endHours":28.427487576796384,"quality":"inauspicious"},{"name":"Udveg","start":"04:26","end":"05:59","startHours":28.427487576796384,"endHours":29.97697470910671,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:59","end":"06:59","startHours":5.97697470910671,"endHours":6.97697470910671,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:59","end":"07:59","startHours":6.97697470910671,"endHours":7.97697470910671,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:59","end":"08:59","startHours":7.97697470910671,"endHours":8.97697470910671,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:59","end":"09:59","startHours":8.97697470910671,"endHours":9.97697470910671,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:59","end":"10:59","startHours":9.97697470910671,"endHours":10.97697470910671,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:59","end":"11:59","startHours":10.97697470910671,"endHours":11.97697470910671,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:59","end":"12:59","startHours":11.97697470910671,"endHours":12.97697470910671,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:59","end":"13:59","startHours":12.97697470910671,"endHours":13.97697470910671,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:59","end":"14:59","startHours":13.97697470910671,"endHours":14.97697470910671,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:59","end":"15:59","startHours":14.97697470910671,"endHours":15.97697470910671,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:59","end":"16:59","startHours":15.97697470910671,"endHours":16.97697470910671,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:59","end":"17:59","startHours":16.97697470910671,"endHours":17.97697470910671,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:59","end":"18:59","startHours":17.97697470910671,"endHours":18.97697470910671,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:59","end":"19:59","startHours":18.97697470910671,"endHours":19.97697470910671,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:59","end":"20:59","startHours":19.97697470910671,"endHours":20.97697470910671,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:59","end":"21:59","startHours":20.97697470910671,"endHours":21.97697470910671,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:59","end":"22:59","startHours":21.97697470910671,"endHours":22.97697470910671,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:59","end":"23:59","startHours":22.97697470910671,"endHours":23.97697470910671,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:59","end":"00:59","startHours":23.97697470910671,"endHours":24.97697470910671,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:59","end":"01:59","startHours":24.97697470910671,"endHours":25.97697470910671,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:59","end":"02:59","startHours":25.97697470910671,"endHours":26.97697470910671,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:59","end":"03:59","startHours":26.97697470910671,"endHours":27.97697470910671,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:59","end":"04:59","startHours":27.97697470910671,"endHours":28.97697470910671,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:59","end":"05:59","startHours":28.97697470910671,"endHours":29.97697470910671,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"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":"North (Uttara)","chandraVasa":"South","rahuVasa":"South-West","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"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":-7.693411634630533,"eotMinutes":14.442429208075392,"ayanamsa":26.3644}},"calendars":{"vikram_samvat":2236,"vikram_samvatsara":"Nandana","saka_samvat":2101,"saka_samvatsara":"Pramāthi","bengali_samvat":1586,"malayalam_era":1355,"nanakshahi_year":710,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Trayodaśī · Vikram 2236 Nandana · Śaka 2101 Pramāthi"},"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},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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, 2179 CE · Ayodhyā · Vidhyamitra","description":"October 13, 2179 CE for Ayodhyā: Śukla Trayodaśī, sūryodaya 05:59, sūryāsta 17:35.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2179-10-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2179-10-13","sa":"https://sa.vidhyamitra.com/city/ayodhya/2179-10-13","hi":"https://hi.vidhyamitra.com/city/ayodhya/2179-10-13","x-default":"https://vidhyamitra.com/city/ayodhya/2179-10-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T14:56:54.015Z","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":"2026-05-21T14:56:54.015Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T14:56:54.015Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}