{"id":"vidhyamitra:city-day:ayodhya:1690-10-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1690-10-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1690-10-13","date_display":"October 13, 1690 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":1690,"month":10,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2338605.770833,"kali_year":4792,"ahargana":1750140.2708,"sun":{"sidereal_longitude":180.5932,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":300.1549,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":119.5617,"elapsed_within_tithi_degrees":11.5617},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3,"moon_longitude":300.1549,"elapsed_within_degrees":6.8216},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":120.7481},"karana":{"half_tithi_index":19,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1690,"month":10,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2338605.770833,"ahargana":1750140.2708,"kali_year":4792,"ayanamsa_lahiri":19.5335,"grahas":{"sun":{"sidereal_longitude":180.57751899999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":299.772119,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false,"latitude":-2.1793},"mars":{"sidereal_longitude":184.040119,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":208.34411899999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":346.699519,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":true},"venus":{"sidereal_longitude":228.33881900000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":212.248919,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":329.1462,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":149.1462,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","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":1690,"month":10,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2338605.770833,"kali_year":4792,"ahargana":1750140.2708,"sun":{"sidereal_longitude":180.5932,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":300.1549,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":119.5617,"elapsed_within_tithi_degrees":11.5617},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3,"moon_longitude":300.1549,"elapsed_within_degrees":6.8216},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":120.7481},"karana":{"half_tithi_index":19,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.179,"elongation":119.562},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.179,"opposition_distance":60.438}},"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":11.592694697831446,"dayLengthDisplay":"11 Hours 35 Mins 34 Secs","nightLengthDisplay":"12 Hours 24 Mins 26 Secs","moonriseLocal":"14:12","moonsetLocal":"01:15","rahuKala":{"name":"Rāhu Kāla","start":"10:20","end":"11:47","startHours":10.329939342636482,"endHours":11.779026179865411,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:41","end":"16:08","startHours":14.677199854323273,"endHours":16.126286691552203,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:26","end":"08:53","startHours":7.43176566817862,"endHours":8.880852505407551,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:41","end":"09:04","startHours":8.68764092711036,"endHours":9.07406408370474,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:28","end":"06:46","startHours":6.465707776692667,"endHours":6.7748463019681715,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:24","end":"12:10","startHours":11.39260302327103,"endHours":12.165449336459792,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:26","end":"05:13","startHours":4.436986204572163,"endHours":5.209832517760926,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:01","end":"05:59","startHours":5.016620939463736,"endHours":5.982678830949689,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:43","end":"14:29","startHours":13.71114196283732,"endHours":14.483988276026084,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:23","end":"17:47","startHours":17.375373528781136,"endHours":17.775373528781135,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:35","end":"18:04","startHours":17.575373528781135,"endHours":18.05840247452411,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:20","end":"19:05","startHours":17.325373528781135,"endHours":19.075373528781135,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:24","end":"00:10","startHours":23.39260302327103,"endHours":24.165449336459794,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:59","end":"07:26","startHours":5.982678830949689,"endHours":7.43176566817862,"quality":"neutral"},{"name":"Labha","start":"07:26","end":"08:53","startHours":7.43176566817862,"endHours":8.880852505407551,"quality":"auspicious"},{"name":"Amṛta","start":"08:53","end":"10:20","startHours":8.880852505407551,"endHours":10.329939342636482,"quality":"auspicious"},{"name":"Kāla","start":"10:20","end":"11:47","startHours":10.329939342636482,"endHours":11.779026179865411,"quality":"inauspicious"},{"name":"Śubha","start":"11:47","end":"13:14","startHours":11.779026179865411,"endHours":13.228113017094344,"quality":"auspicious"},{"name":"Roga","start":"13:14","end":"14:41","startHours":13.228113017094344,"endHours":14.677199854323273,"quality":"inauspicious"},{"name":"Udveg","start":"14:41","end":"16:08","startHours":14.677199854323273,"endHours":16.126286691552203,"quality":"inauspicious"},{"name":"Chala","start":"16:08","end":"17:35","startHours":16.126286691552203,"endHours":17.575373528781135,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:35","end":"19:08","startHours":17.575373528781135,"endHours":19.126286691552206,"quality":"inauspicious"},{"name":"Udveg","start":"19:08","end":"20:41","startHours":19.126286691552206,"endHours":20.677199854323273,"quality":"inauspicious"},{"name":"Chala","start":"20:41","end":"22:14","startHours":20.677199854323273,"endHours":22.228113017094344,"quality":"neutral"},{"name":"Labha","start":"22:14","end":"23:47","startHours":22.228113017094344,"endHours":23.77902617986541,"quality":"auspicious"},{"name":"Amṛta","start":"23:47","end":"01:20","startHours":23.77902617986541,"endHours":25.329939342636482,"quality":"auspicious"},{"name":"Kāla","start":"01:20","end":"02:53","startHours":25.329939342636482,"endHours":26.880852505407553,"quality":"inauspicious"},{"name":"Śubha","start":"02:53","end":"04:26","startHours":26.880852505407553,"endHours":28.43176566817862,"quality":"auspicious"},{"name":"Roga","start":"04:26","end":"05:59","startHours":28.43176566817862,"endHours":29.982678830949688,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:59","end":"06:59","startHours":5.982678830949689,"endHours":6.982678830949689,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:59","end":"07:59","startHours":6.982678830949689,"endHours":7.982678830949689,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:59","end":"08:59","startHours":7.982678830949689,"endHours":8.98267883094969,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:59","end":"09:59","startHours":8.98267883094969,"endHours":9.98267883094969,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:59","end":"10:59","startHours":9.98267883094969,"endHours":10.98267883094969,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:59","end":"11:59","startHours":10.98267883094969,"endHours":11.98267883094969,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:59","end":"12:59","startHours":11.98267883094969,"endHours":12.98267883094969,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:59","end":"13:59","startHours":12.98267883094969,"endHours":13.98267883094969,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:59","end":"14:59","startHours":13.98267883094969,"endHours":14.98267883094969,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:59","end":"15:59","startHours":14.98267883094969,"endHours":15.98267883094969,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:59","end":"16:59","startHours":15.98267883094969,"endHours":16.982678830949688,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:59","end":"17:59","startHours":16.982678830949688,"endHours":17.982678830949688,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:59","end":"18:59","startHours":17.982678830949688,"endHours":18.982678830949688,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:59","end":"19:59","startHours":18.982678830949688,"endHours":19.982678830949688,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:59","end":"20:59","startHours":19.982678830949688,"endHours":20.982678830949688,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:59","end":"21:59","startHours":20.982678830949688,"endHours":21.982678830949688,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:59","end":"22:59","startHours":21.982678830949688,"endHours":22.982678830949688,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:59","end":"23:59","startHours":22.982678830949688,"endHours":23.982678830949688,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:59","end":"00:59","startHours":23.982678830949688,"endHours":24.982678830949688,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:59","end":"01:59","startHours":24.982678830949688,"endHours":25.982678830949688,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:59","end":"02:59","startHours":25.982678830949688,"endHours":26.982678830949688,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:59","end":"03:59","startHours":26.982678830949688,"endHours":27.982678830949688,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:59","end":"04:59","startHours":27.982678830949688,"endHours":28.982678830949688,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:59","end":"05:59","startHours":28.982678830949688,"endHours":29.982678830949688,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Lumba","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-7.860198929779301,"eotMinutes":14.442429208075392,"ayanamsa":19.5335}},"calendars":{"vikram_samvat":1747,"vikram_samvatsara":"Subhānu","saka_samvat":1612,"saka_samvatsara":"Pramoda","bengali_samvat":1097,"malayalam_era":866,"nanakshahi_year":221,"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 Daśamī · Vikram 1747 Subhānu · Śaka 1612 Pramoda"},"festivals":[{"id":"vijaya-dashami","name":"Vijaya Daśamī (Dasarā / Daśaharā)","name_sanskrit":"विजय दशमी","tradition":"Pan-Hindu","associated_deity":"Rāma (Rāvaṇa-vadha) + Durgā (Mahiṣāsura-vadha)","significance":"Rāma's victory over Rāvaṇa; Durgā's victory; ārambha-divasa for śilpa-kalā.","vrata":true,"primary_observance":"Rāvaṇa-dahana; Aparājitā-pūjā; Śastra-pūjā","detection":{"tithi_number":10,"tithi_paksha":"Śukla","lunar_month":"Āśvina"},"precedence":1,"related_chart":"rama","sources":["Vālmīki Rāmāyaṇa, Yuddha-Kāṇḍa","Devī Mahātmya"]}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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, 1690 CE · Ayodhyā · Vidhyamitra","description":"October 13, 1690 CE for Ayodhyā: Śukla Daśamī, sūryodaya 05:59, sūryāsta 17:35.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1690-10-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1690-10-13","sa":"https://sa.vidhyamitra.com/city/ayodhya/1690-10-13","hi":"https://hi.vidhyamitra.com/city/ayodhya/1690-10-13","x-default":"https://vidhyamitra.com/city/ayodhya/1690-10-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T23:25:34.332Z","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":"2026-06-02T23:25:34.332Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T23:25:34.332Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}