{"id":"vidhyamitra:city-day:ayodhya:1690-10-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1690-10-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1690-10-16","date_display":"October 16, 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":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2338608.770833,"kali_year":4792,"ahargana":1750143.2708,"sun":{"sidereal_longitude":183.5822,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":337.3086,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":153.7264,"elapsed_within_tithi_degrees":9.7264},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2,"moon_longitude":337.3086,"elapsed_within_degrees":3.9753},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":160.8908},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2338608.770833,"ahargana":1750143.2708,"kali_year":4792,"ayanamsa_lahiri":19.5336,"grahas":{"sun":{"sidereal_longitude":183.55960500000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":337.82220499999994,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false,"latitude":0.6506},"mars":{"sidereal_longitude":186.048005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":211.90010499999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":346.345005,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":231.788505,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":212.580105,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":328.9872,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":148.9872,"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":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2338608.770833,"kali_year":4792,"ahargana":1750143.2708,"sun":{"sidereal_longitude":183.5822,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":337.3086,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":153.7264,"elapsed_within_tithi_degrees":9.7264},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2,"moon_longitude":337.3086,"elapsed_within_degrees":3.9753},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":160.8908},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.651,"elongation":153.726},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.651,"opposition_distance":26.274}},"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":"06:01","sunsetLocal":"17:32","solarNoonLocal":"11:46","dayLengthHours":11.5162061748307,"dayLengthDisplay":"11 Hours 30 Mins 58 Secs","nightLengthDisplay":"12 Hours 29 Mins 02 Secs","moonriseLocal":"16:03","moonsetLocal":"04:04","rahuKala":{"name":"Rāhu Kāla","start":"07:27","end":"08:53","startHours":7.450360524918803,"endHours":8.88988629677264,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:20","end":"11:46","startHours":10.329412068626478,"endHours":11.768937840480316,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:13","end":"14:39","startHours":13.208463612334153,"endHours":14.64798938418799,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:42","end":"09:05","startHours":8.69794952719213,"endHours":9.081823066353152,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:29","end":"06:48","startHours":6.490676677016245,"endHours":6.797775508345064,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:23","end":"12:09","startHours":11.385064301319293,"endHours":12.152811379641339,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:29","end":"05:15","startHours":4.475340596420873,"endHours":5.243087674742919,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:03","end":"06:01","startHours":5.051150905162408,"endHours":6.010834753064966,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:41","end":"14:27","startHours":13.688305536285434,"endHours":14.456052614607481,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:20","end":"17:44","startHours":17.327040927895666,"endHours":17.727040927895665,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:32","end":"18:00","startHours":17.527040927895666,"endHours":18.006882851846946,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:17","end":"19:02","startHours":17.277040927895666,"endHours":19.027040927895666,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:23","end":"00:09","startHours":23.385064301319293,"endHours":24.15281137964134,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:01","end":"07:27","startHours":6.010834753064966,"endHours":7.450360524918803,"quality":"auspicious"},{"name":"Kāla","start":"07:27","end":"08:53","startHours":7.450360524918803,"endHours":8.88988629677264,"quality":"inauspicious"},{"name":"Śubha","start":"08:53","end":"10:20","startHours":8.88988629677264,"endHours":10.329412068626478,"quality":"auspicious"},{"name":"Roga","start":"10:20","end":"11:46","startHours":10.329412068626478,"endHours":11.768937840480316,"quality":"inauspicious"},{"name":"Udveg","start":"11:46","end":"13:13","startHours":11.768937840480316,"endHours":13.208463612334153,"quality":"inauspicious"},{"name":"Chala","start":"13:13","end":"14:39","startHours":13.208463612334153,"endHours":14.64798938418799,"quality":"neutral"},{"name":"Labha","start":"14:39","end":"16:05","startHours":14.64798938418799,"endHours":16.087515156041828,"quality":"auspicious"},{"name":"Amṛta","start":"16:05","end":"17:32","startHours":16.087515156041828,"endHours":17.527040927895666,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:32","end":"19:05","startHours":17.527040927895666,"endHours":19.087515156041828,"quality":"neutral"},{"name":"Labha","start":"19:05","end":"20:39","startHours":19.087515156041828,"endHours":20.64798938418799,"quality":"auspicious"},{"name":"Amṛta","start":"20:39","end":"22:13","startHours":20.64798938418799,"endHours":22.208463612334153,"quality":"auspicious"},{"name":"Kāla","start":"22:13","end":"23:46","startHours":22.208463612334153,"endHours":23.768937840480316,"quality":"inauspicious"},{"name":"Śubha","start":"23:46","end":"01:20","startHours":23.768937840480316,"endHours":25.32941206862648,"quality":"auspicious"},{"name":"Roga","start":"01:20","end":"02:53","startHours":25.32941206862648,"endHours":26.88988629677264,"quality":"inauspicious"},{"name":"Udveg","start":"02:53","end":"04:27","startHours":26.88988629677264,"endHours":28.450360524918803,"quality":"inauspicious"},{"name":"Chala","start":"04:27","end":"06:01","startHours":28.450360524918803,"endHours":30.010834753064966,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:01","end":"07:01","startHours":6.010834753064966,"endHours":7.010834753064966,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:01","end":"08:01","startHours":7.010834753064966,"endHours":8.010834753064966,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:01","end":"09:01","startHours":8.010834753064966,"endHours":9.010834753064966,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:01","end":"10:01","startHours":9.010834753064966,"endHours":10.010834753064966,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:01","end":"11:01","startHours":10.010834753064966,"endHours":11.010834753064966,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:01","end":"12:01","startHours":11.010834753064966,"endHours":12.010834753064966,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:01","end":"13:01","startHours":12.010834753064966,"endHours":13.010834753064966,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:01","end":"14:01","startHours":13.010834753064966,"endHours":14.010834753064966,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:01","end":"15:01","startHours":14.010834753064966,"endHours":15.010834753064966,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:01","end":"16:01","startHours":15.010834753064966,"endHours":16.010834753064966,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:01","end":"17:01","startHours":16.010834753064966,"endHours":17.010834753064966,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:01","end":"18:01","startHours":17.010834753064966,"endHours":18.010834753064966,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:01","end":"19:01","startHours":18.010834753064966,"endHours":19.010834753064966,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:01","end":"20:01","startHours":19.010834753064966,"endHours":20.010834753064966,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:01","end":"21:01","startHours":20.010834753064966,"endHours":21.010834753064966,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:01","end":"22:01","startHours":21.010834753064966,"endHours":22.010834753064966,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:01","end":"23:01","startHours":22.010834753064966,"endHours":23.010834753064966,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:01","end":"00:01","startHours":23.010834753064966,"endHours":24.010834753064966,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:01","end":"01:01","startHours":24.010834753064966,"endHours":25.010834753064966,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:01","end":"02:01","startHours":25.010834753064966,"endHours":26.010834753064966,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:01","end":"03:01","startHours":26.010834753064966,"endHours":27.010834753064966,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:01","end":"04:01","startHours":27.010834753064966,"endHours":28.010834753064966,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:01","end":"05:01","startHours":28.010834753064966,"endHours":29.010834753064966,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:01","end":"06:01","startHours":29.010834753064966,"endHours":30.010834753064966,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"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":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"North-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":-8.974903065786002,"eotMinutes":15.04772957118102,"ayanamsa":19.5336}},"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 Trayodaśī · Vikram 1747 Subhānu · Śaka 1612 Pramoda"},"festivals":[{"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":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 16, 1690 CE · Ayodhyā · Vidhyamitra","description":"October 16, 1690 CE for Ayodhyā: Śukla Trayodaśī, sūryodaya 06:01, sūryāsta 17:32.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1690-10-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1690-10-16","sa":"https://sa.vidhyamitra.com/city/ayodhya/1690-10-16","hi":"https://hi.vidhyamitra.com/city/ayodhya/1690-10-16","x-default":"https://vidhyamitra.com/city/ayodhya/1690-10-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T07:45:37.644Z","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":"2026-06-03T07:45:37.644Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T07:45:37.644Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}