{"id":"vidhyamitra:city-day:ayodhya:1679-10-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1679-10-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1679-10-18","date_display":"October 18, 1679 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":1679,"month":10,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2334592.770833,"kali_year":4781,"ahargana":1746127.2708,"sun":{"sidereal_longitude":185.4249,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":346.7392,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":161.3144,"elapsed_within_tithi_degrees":5.3144},"nakshatra":{"number":27,"name":"Revatī","pada":1,"moon_longitude":346.7392,"elapsed_within_degrees":0.0726},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":172.1641},"karana":{"half_tithi_index":26,"name":"Gara"},"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":1679,"month":10,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2334592.770833,"ahargana":1746127.2708,"kali_year":4781,"ayanamsa_lahiri":19.38,"grahas":{"sun":{"sidereal_longitude":185.37104499999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":345.154245,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false,"latitude":1.1662},"mars":{"sidereal_longitude":219.45854499999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":172.56004499999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":21.395044999999982,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":true},"venus":{"sidereal_longitude":229.19604500000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":82.897245,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":181.7742,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":1.7742,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","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":1679,"month":10,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2334592.770833,"kali_year":4781,"ahargana":1746127.2708,"sun":{"sidereal_longitude":185.4249,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":346.7392,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":161.3144,"elapsed_within_tithi_degrees":5.3144},"nakshatra":{"number":27,"name":"Revatī","pada":1,"moon_longitude":346.7392,"elapsed_within_degrees":0.0726},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":172.1641},"karana":{"half_tithi_index":26,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.166,"elongation":161.314},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.166,"opposition_distance":18.686}},"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":"06:02","sunsetLocal":"17:30","solarNoonLocal":"11:46","dayLengthHours":11.474104739873582,"dayLengthDisplay":"11 Hours 28 Mins 27 Secs","nightLengthDisplay":"12 Hours 31 Mins 33 Secs","moonriseLocal":"16:19","moonsetLocal":"04:31","rahuKala":{"name":"Rāhu Kāla","start":"11:46","end":"13:12","startHours":11.763139029946359,"endHours":13.197402122430557,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:28","end":"08:54","startHours":7.460349752493766,"endHours":8.894612844977964,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:20","end":"11:46","startHours":10.328875937462161,"endHours":11.763139029946359,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:42","end":"09:05","startHours":8.70337776598007,"endHours":9.085847923975857,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:30","end":"06:49","startHours":6.504174357504301,"endHours":6.810150483900929,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:23","end":"12:09","startHours":11.380668871950572,"endHours":12.145609187942146,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:30","end":"05:16","startHours":4.496206028026424,"endHours":5.261146344017996,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:04","end":"06:02","startHours":5.069911265020103,"endHours":6.026086660009568,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:41","end":"14:26","startHours":13.67548981992529,"endHours":14.440430135916861,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:18","end":"17:42","startHours":17.30019139988315,"endHours":17.70019139988315,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:30","end":"17:59","startHours":17.50019139988315,"endHours":17.978279097377882,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:15","end":"19:00","startHours":17.25019139988315,"endHours":19.00019139988315,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:23","end":"00:09","startHours":23.380668871950572,"endHours":24.145609187942146,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:02","end":"07:28","startHours":6.026086660009568,"endHours":7.460349752493766,"quality":"auspicious"},{"name":"Amṛta","start":"07:28","end":"08:54","startHours":7.460349752493766,"endHours":8.894612844977964,"quality":"auspicious"},{"name":"Kāla","start":"08:54","end":"10:20","startHours":8.894612844977964,"endHours":10.328875937462161,"quality":"inauspicious"},{"name":"Śubha","start":"10:20","end":"11:46","startHours":10.328875937462161,"endHours":11.763139029946359,"quality":"auspicious"},{"name":"Roga","start":"11:46","end":"13:12","startHours":11.763139029946359,"endHours":13.197402122430557,"quality":"inauspicious"},{"name":"Udveg","start":"13:12","end":"14:38","startHours":13.197402122430557,"endHours":14.631665214914754,"quality":"inauspicious"},{"name":"Chala","start":"14:38","end":"16:04","startHours":14.631665214914754,"endHours":16.065928307398952,"quality":"neutral"},{"name":"Labha","start":"16:04","end":"17:30","startHours":16.065928307398952,"endHours":17.50019139988315,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:30","end":"19:04","startHours":17.50019139988315,"endHours":19.065928307398952,"quality":"inauspicious"},{"name":"Chala","start":"19:04","end":"20:38","startHours":19.065928307398952,"endHours":20.631665214914754,"quality":"neutral"},{"name":"Labha","start":"20:38","end":"22:12","startHours":20.631665214914754,"endHours":22.197402122430557,"quality":"auspicious"},{"name":"Amṛta","start":"22:12","end":"23:46","startHours":22.197402122430557,"endHours":23.76313902994636,"quality":"auspicious"},{"name":"Kāla","start":"23:46","end":"01:20","startHours":23.76313902994636,"endHours":25.32887593746216,"quality":"inauspicious"},{"name":"Śubha","start":"01:20","end":"02:54","startHours":25.32887593746216,"endHours":26.894612844977964,"quality":"auspicious"},{"name":"Roga","start":"02:54","end":"04:28","startHours":26.894612844977964,"endHours":28.460349752493766,"quality":"inauspicious"},{"name":"Udveg","start":"04:28","end":"06:02","startHours":28.460349752493766,"endHours":30.026086660009568,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:02","end":"07:02","startHours":6.026086660009568,"endHours":7.026086660009568,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:02","end":"08:02","startHours":7.026086660009568,"endHours":8.026086660009568,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:02","end":"09:02","startHours":8.026086660009568,"endHours":9.026086660009568,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:02","end":"10:02","startHours":9.026086660009568,"endHours":10.026086660009568,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:02","end":"11:02","startHours":10.026086660009568,"endHours":11.026086660009568,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:02","end":"12:02","startHours":11.026086660009568,"endHours":12.026086660009568,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:02","end":"13:02","startHours":12.026086660009568,"endHours":13.026086660009568,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:02","end":"14:02","startHours":13.026086660009568,"endHours":14.026086660009568,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:02","end":"15:02","startHours":14.026086660009568,"endHours":15.026086660009568,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:02","end":"16:02","startHours":15.026086660009568,"endHours":16.026086660009568,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:02","end":"17:02","startHours":16.026086660009568,"endHours":17.026086660009568,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:02","end":"18:02","startHours":17.026086660009568,"endHours":18.026086660009568,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:02","end":"19:02","startHours":18.026086660009568,"endHours":19.026086660009568,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:02","end":"20:02","startHours":19.026086660009568,"endHours":20.026086660009568,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:02","end":"21:02","startHours":20.026086660009568,"endHours":21.026086660009568,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:02","end":"22:02","startHours":21.026086660009568,"endHours":22.026086660009568,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:02","end":"23:02","startHours":22.026086660009568,"endHours":23.026086660009568,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:02","end":"00:02","startHours":23.026086660009568,"endHours":24.026086660009568,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:02","end":"01:02","startHours":24.026086660009568,"endHours":25.026086660009568,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:02","end":"02:02","startHours":25.026086660009568,"endHours":26.026086660009568,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:02","end":"03:02","startHours":26.026086660009568,"endHours":27.026086660009568,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:02","end":"04:02","startHours":27.026086660009568,"endHours":28.026086660009568,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:02","end":"05:02","startHours":28.026086660009568,"endHours":29.026086660009568,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:02","end":"06:02","startHours":29.026086660009568,"endHours":30.026086660009568,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"South-West","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-9.585612895947902,"eotMinutes":15.395658203218455,"ayanamsa":19.38}},"calendars":{"vikram_samvat":1736,"vikram_samvatsara":"Aṅgirasa","saka_samvat":1601,"saka_samvatsara":"Siddhārthī","bengali_samvat":1086,"malayalam_era":855,"nanakshahi_year":210,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","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":"Āśvina Śukla Caturdaśī · Vikram 1736 Aṅgirasa · Śaka 1601 Siddhārthī"},"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 18, 1679 CE · Ayodhyā · Vidhyamitra","description":"October 18, 1679 CE for Ayodhyā: Śukla Caturdaśī, sūryodaya 06:02, sūryāsta 17:30.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1679-10-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1679-10-18","sa":"https://sa.vidhyamitra.com/city/ayodhya/1679-10-18","hi":"https://hi.vidhyamitra.com/city/ayodhya/1679-10-18","x-default":"https://vidhyamitra.com/city/ayodhya/1679-10-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-04T03:29:33.681Z","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":"2026-06-04T03:29:33.681Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-04T03:29:33.681Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}