{"id":"vidhyamitra:city-day:ayodhya:1685-10-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1685-10-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1685-10-13","date_display":"October 13, 1685 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":1685,"month":10,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2336779.770833,"kali_year":4787,"ahargana":1748314.2708,"sun":{"sidereal_longitude":180.8856,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":9.6813,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":188.7956,"elapsed_within_tithi_degrees":8.7956},"nakshatra":{"number":1,"name":"Aśvinī","pada":3,"moon_longitude":9.6813,"elapsed_within_degrees":9.6813},"yoga":{"number":15,"name":"Vajra","sum_longitude":190.5669},"karana":{"half_tithi_index":31,"name":"Kaulava"},"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":1685,"month":10,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2336779.770833,"ahargana":1748314.2708,"kali_year":4787,"ayanamsa_lahiri":19.4637,"grahas":{"sun":{"sidereal_longitude":180.856586,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":7.922386000000017,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false,"latitude":-3.7389},"mars":{"sidereal_longitude":269.280386,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":191.04288599999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":195.29438600000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":213.42508599999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":158.68838600000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":65.8965,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":245.8965,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":1685,"month":10,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2336779.770833,"kali_year":4787,"ahargana":1748314.2708,"sun":{"sidereal_longitude":180.8856,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":9.6813,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":188.7956,"elapsed_within_tithi_degrees":8.7956},"nakshatra":{"number":1,"name":"Aśvinī","pada":3,"moon_longitude":9.6813,"elapsed_within_degrees":9.6813},"yoga":{"number":15,"name":"Vajra","sum_longitude":190.5669},"karana":{"half_tithi_index":31,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.739,"elongation":171.204},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.739,"opposition_distance":8.796}},"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":"17:34","solarNoonLocal":"11:47","dayLengthHours":11.587298009705904,"dayLengthDisplay":"11 Hours 35 Mins 14 Secs","nightLengthDisplay":"12 Hours 24 Mins 46 Secs","moonriseLocal":"17:51","moonsetLocal":"06:39","rahuKala":{"name":"Rāhu Kāla","start":"08:53","end":"10:20","startHours":8.882201677438935,"endHours":10.330613928652173,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:14","end":"14:41","startHours":13.22743843107865,"endHours":14.675850682291887,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:59","end":"07:26","startHours":5.98537717501246,"endHours":7.433789426225698,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:41","end":"09:05","startHours":8.689080043943838,"endHours":9.075323310934035,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:28","end":"06:47","startHours":6.4681812587502066,"endHours":6.777175872342364,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:24","end":"12:10","startHours":11.392782912875214,"endHours":12.165269446855609,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:26","end":"05:13","startHours":4.440404107051673,"endHours":5.212890641032066,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:01","end":"05:59","startHours":5.0197690075369685,"endHours":5.98537717501246,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:43","end":"14:29","startHours":13.710242514816397,"endHours":14.48272904879679,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:22","end":"17:46","startHours":17.372675184718364,"endHours":17.772675184718363,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:34","end":"18:03","startHours":17.572675184718364,"endHours":18.05547926845611,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:19","end":"19:04","startHours":17.322675184718364,"endHours":19.072675184718364,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:24","end":"00:10","startHours":23.392782912875216,"endHours":24.165269446855607,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:59","end":"07:26","startHours":5.98537717501246,"endHours":7.433789426225698,"quality":"inauspicious"},{"name":"Śubha","start":"07:26","end":"08:53","startHours":7.433789426225698,"endHours":8.882201677438935,"quality":"auspicious"},{"name":"Roga","start":"08:53","end":"10:20","startHours":8.882201677438935,"endHours":10.330613928652173,"quality":"inauspicious"},{"name":"Udveg","start":"10:20","end":"11:47","startHours":10.330613928652173,"endHours":11.779026179865411,"quality":"inauspicious"},{"name":"Chala","start":"11:47","end":"13:14","startHours":11.779026179865411,"endHours":13.22743843107865,"quality":"neutral"},{"name":"Labha","start":"13:14","end":"14:41","startHours":13.22743843107865,"endHours":14.675850682291887,"quality":"auspicious"},{"name":"Amṛta","start":"14:41","end":"16:07","startHours":14.675850682291887,"endHours":16.124262933505126,"quality":"auspicious"},{"name":"Kāla","start":"16:07","end":"17:34","startHours":16.124262933505126,"endHours":17.572675184718364,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:34","end":"19:07","startHours":17.572675184718364,"endHours":19.124262933505126,"quality":"auspicious"},{"name":"Amṛta","start":"19:07","end":"20:41","startHours":19.124262933505126,"endHours":20.675850682291887,"quality":"auspicious"},{"name":"Kāla","start":"20:41","end":"22:14","startHours":20.675850682291887,"endHours":22.22743843107865,"quality":"inauspicious"},{"name":"Śubha","start":"22:14","end":"23:47","startHours":22.22743843107865,"endHours":23.77902617986541,"quality":"auspicious"},{"name":"Roga","start":"23:47","end":"01:20","startHours":23.77902617986541,"endHours":25.330613928652173,"quality":"inauspicious"},{"name":"Udveg","start":"01:20","end":"02:53","startHours":25.330613928652173,"endHours":26.882201677438935,"quality":"inauspicious"},{"name":"Chala","start":"02:53","end":"04:26","startHours":26.882201677438935,"endHours":28.433789426225697,"quality":"neutral"},{"name":"Labha","start":"04:26","end":"05:59","startHours":28.433789426225697,"endHours":29.98537717501246,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:59","end":"06:59","startHours":5.98537717501246,"endHours":6.98537717501246,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:59","end":"07:59","startHours":6.98537717501246,"endHours":7.98537717501246,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:59","end":"08:59","startHours":7.98537717501246,"endHours":8.98537717501246,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:59","end":"09:59","startHours":8.98537717501246,"endHours":9.98537717501246,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:59","end":"10:59","startHours":9.98537717501246,"endHours":10.98537717501246,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:59","end":"11:59","startHours":10.98537717501246,"endHours":11.98537717501246,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:59","end":"12:59","startHours":11.98537717501246,"endHours":12.98537717501246,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:59","end":"13:59","startHours":12.98537717501246,"endHours":13.98537717501246,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:59","end":"14:59","startHours":13.98537717501246,"endHours":14.98537717501246,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:59","end":"15:59","startHours":14.98537717501246,"endHours":15.98537717501246,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:59","end":"16:59","startHours":15.98537717501246,"endHours":16.98537717501246,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:59","end":"17:59","startHours":16.98537717501246,"endHours":17.98537717501246,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:59","end":"18:59","startHours":17.98537717501246,"endHours":18.98537717501246,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:59","end":"19:59","startHours":18.98537717501246,"endHours":19.98537717501246,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:59","end":"20:59","startHours":19.98537717501246,"endHours":20.98537717501246,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:59","end":"21:59","startHours":20.98537717501246,"endHours":21.98537717501246,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:59","end":"22:59","startHours":21.98537717501246,"endHours":22.98537717501246,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:59","end":"23:59","startHours":22.98537717501246,"endHours":23.98537717501246,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:59","end":"00:59","startHours":23.98537717501246,"endHours":24.98537717501246,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:59","end":"01:59","startHours":24.98537717501246,"endHours":25.98537717501246,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:59","end":"02:59","startHours":25.98537717501246,"endHours":26.98537717501246,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:59","end":"03:59","startHours":26.98537717501246,"endHours":27.98537717501246,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:59","end":"04:59","startHours":27.98537717501246,"endHours":28.98537717501246,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:59","end":"05:59","startHours":28.98537717501246,"endHours":29.98537717501246,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-7.939052240701813,"eotMinutes":14.442429208075392,"ayanamsa":19.4637}},"calendars":{"vikram_samvat":1742,"vikram_samvatsara":"Bahudhānya","saka_samvat":1607,"saka_samvatsara":"Krodhana","bengali_samvat":1092,"malayalam_era":861,"nanakshahi_year":216,"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 Pratipada · Vikram 1742 Bahudhānya · Śaka 1607 Krodhana"},"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":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","relevance":0.5}]},"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, 1685 CE · Ayodhyā · Vidhyamitra","description":"October 13, 1685 CE for Ayodhyā: Kṛṣṇa Pratipada, sūryodaya 05:59, sūryāsta 17:34.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1685-10-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1685-10-13","sa":"https://sa.vidhyamitra.com/city/ayodhya/1685-10-13","hi":"https://hi.vidhyamitra.com/city/ayodhya/1685-10-13","x-default":"https://vidhyamitra.com/city/ayodhya/1685-10-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T21:47:57.991Z","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":"2026-06-03T21:47:57.991Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T21:47:57.991Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}