{"id":"vidhyamitra:city-day:ayodhya:1691-10-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1691-10-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1691-10-13","date_display":"October 13, 1691 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":1691,"month":10,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2338970.770833,"kali_year":4793,"ahargana":1750505.2708,"sun":{"sidereal_longitude":180.3357,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":70.0362,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":249.7005,"elapsed_within_tithi_degrees":9.7005},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":70.0362,"elapsed_within_degrees":3.3696},"yoga":{"number":19,"name":"Parigha","sum_longitude":250.3719},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":1691,"month":10,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2338970.770833,"ahargana":1750505.2708,"kali_year":4793,"ayanamsa_lahiri":19.5475,"grahas":{"sun":{"sidereal_longitude":180.322274,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":68.56187399999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false,"latitude":3.8871},"mars":{"sidereal_longitude":71.76797399999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":206.02007400000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":28.025274000000024,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":176.07257400000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":222.49767399999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":309.8067,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":129.8067,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","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":1691,"month":10,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2338970.770833,"kali_year":4793,"ahargana":1750505.2708,"sun":{"sidereal_longitude":180.3357,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":70.0362,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":249.7005,"elapsed_within_tithi_degrees":9.7005},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":70.0362,"elapsed_within_degrees":3.3696},"yoga":{"number":19,"name":"Parigha","sum_longitude":250.3719},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.887,"elongation":110.299},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.887,"opposition_distance":69.701}},"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":11.598921230681604,"dayLengthDisplay":"11 Hours 35 Mins 56 Secs","nightLengthDisplay":"12 Hours 24 Mins 04 Secs","moonriseLocal":"21:26","moonsetLocal":"11:13","rahuKala":{"name":"Rāhu Kāla","start":"08:53","end":"10:20","startHours":8.879295872195009,"endHours":10.32916102603021,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:14","end":"14:41","startHours":13.228891333700611,"endHours":14.67875648753581,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:59","end":"07:26","startHours":5.979565564524608,"endHours":7.429430718359809,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:41","end":"09:04","startHours":8.685980518350316,"endHours":9.072611226039703,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:28","end":"06:46","startHours":6.462853949136342,"endHours":6.772158515287852,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:24","end":"12:10","startHours":11.392395472176025,"endHours":12.165656887554798,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:26","end":"05:12","startHours":4.433042733767062,"endHours":5.206304149145835,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:01","end":"05:59","startHours":5.012988795301141,"endHours":5.979565564524608,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:43","end":"14:29","startHours":13.712179718312345,"endHours":14.485441133691118,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:23","end":"17:47","startHours":17.378486795206214,"endHours":17.778486795206213,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:35","end":"18:04","startHours":17.578486795206214,"endHours":18.061775179817946,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:20","end":"19:05","startHours":17.328486795206214,"endHours":19.078486795206214,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:24","end":"00:10","startHours":23.392395472176023,"endHours":24.1656568875548,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:59","end":"07:26","startHours":5.979565564524608,"endHours":7.429430718359809,"quality":"inauspicious"},{"name":"Śubha","start":"07:26","end":"08:53","startHours":7.429430718359809,"endHours":8.879295872195009,"quality":"auspicious"},{"name":"Roga","start":"08:53","end":"10:20","startHours":8.879295872195009,"endHours":10.32916102603021,"quality":"inauspicious"},{"name":"Udveg","start":"10:20","end":"11:47","startHours":10.32916102603021,"endHours":11.779026179865411,"quality":"inauspicious"},{"name":"Chala","start":"11:47","end":"13:14","startHours":11.779026179865411,"endHours":13.228891333700611,"quality":"neutral"},{"name":"Labha","start":"13:14","end":"14:41","startHours":13.228891333700611,"endHours":14.67875648753581,"quality":"auspicious"},{"name":"Amṛta","start":"14:41","end":"16:08","startHours":14.67875648753581,"endHours":16.128621641371012,"quality":"auspicious"},{"name":"Kāla","start":"16:08","end":"17:35","startHours":16.128621641371012,"endHours":17.578486795206214,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:35","end":"19:08","startHours":17.578486795206214,"endHours":19.128621641371012,"quality":"auspicious"},{"name":"Amṛta","start":"19:08","end":"20:41","startHours":19.128621641371012,"endHours":20.678756487535814,"quality":"auspicious"},{"name":"Kāla","start":"20:41","end":"22:14","startHours":20.678756487535814,"endHours":22.228891333700613,"quality":"inauspicious"},{"name":"Śubha","start":"22:14","end":"23:47","startHours":22.228891333700613,"endHours":23.77902617986541,"quality":"auspicious"},{"name":"Roga","start":"23:47","end":"01:20","startHours":23.77902617986541,"endHours":25.32916102603021,"quality":"inauspicious"},{"name":"Udveg","start":"01:20","end":"02:53","startHours":25.32916102603021,"endHours":26.87929587219501,"quality":"inauspicious"},{"name":"Chala","start":"02:53","end":"04:26","startHours":26.87929587219501,"endHours":28.42943071835981,"quality":"neutral"},{"name":"Labha","start":"04:26","end":"05:59","startHours":28.42943071835981,"endHours":29.97956556452461,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:59","end":"06:59","startHours":5.979565564524608,"endHours":6.979565564524608,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:59","end":"07:59","startHours":6.979565564524608,"endHours":7.979565564524608,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:59","end":"08:59","startHours":7.979565564524608,"endHours":8.97956556452461,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:59","end":"09:59","startHours":8.97956556452461,"endHours":9.97956556452461,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:59","end":"10:59","startHours":9.97956556452461,"endHours":10.97956556452461,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:59","end":"11:59","startHours":10.97956556452461,"endHours":11.97956556452461,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:59","end":"12:59","startHours":11.97956556452461,"endHours":12.97956556452461,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:59","end":"13:59","startHours":12.97956556452461,"endHours":13.97956556452461,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:59","end":"14:59","startHours":13.97956556452461,"endHours":14.97956556452461,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:59","end":"15:59","startHours":14.97956556452461,"endHours":15.97956556452461,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:59","end":"16:59","startHours":15.97956556452461,"endHours":16.97956556452461,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:59","end":"17:59","startHours":16.97956556452461,"endHours":17.97956556452461,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:59","end":"18:59","startHours":17.97956556452461,"endHours":18.97956556452461,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:59","end":"19:59","startHours":18.97956556452461,"endHours":19.97956556452461,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:59","end":"20:59","startHours":19.97956556452461,"endHours":20.97956556452461,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:59","end":"21:59","startHours":20.97956556452461,"endHours":21.97956556452461,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:59","end":"22:59","startHours":21.97956556452461,"endHours":22.97956556452461,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:59","end":"23:59","startHours":22.97956556452461,"endHours":23.97956556452461,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:59","end":"00:59","startHours":23.97956556452461,"endHours":24.97956556452461,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:59","end":"01:59","startHours":24.97956556452461,"endHours":25.97956556452461,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:59","end":"02:59","startHours":25.97956556452461,"endHours":26.97956556452461,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:59","end":"03:59","startHours":26.97956556452461,"endHours":27.97956556452461,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:59","end":"04:59","startHours":27.97956556452461,"endHours":28.97956556452461,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:59","end":"05:59","startHours":28.97956556452461,"endHours":29.97956556452461,"planetary_lord":"Mercury"}],"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","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Kāladaṇḍa","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-7.76918381481214,"eotMinutes":14.442429208075392,"ayanamsa":19.5475}},"calendars":{"vikram_samvat":1748,"vikram_samvatsara":"Tāraṇa","saka_samvat":1613,"saka_samvatsara":"Prajāpati","bengali_samvat":1098,"malayalam_era":867,"nanakshahi_year":222,"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 1748 Tāraṇa · Śaka 1613 Prajāpati"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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, 1691 CE · Ayodhyā · Vidhyamitra","description":"October 13, 1691 CE for Ayodhyā: Kṛṣṇa Ṣaṣṭhī, sūryodaya 05:59, sūryāsta 17:35.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1691-10-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1691-10-13","sa":"https://sa.vidhyamitra.com/city/ayodhya/1691-10-13","hi":"https://hi.vidhyamitra.com/city/ayodhya/1691-10-13","x-default":"https://vidhyamitra.com/city/ayodhya/1691-10-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T04:13:07.861Z","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":"2026-06-03T04:13:07.861Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T04:13:07.861Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}