{"id":"vidhyamitra:city-day:ayodhya:2316-10-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2316-10-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2316-10-21","date_display":"October 21, 2316 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":2316,"month":10,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2567254.770833,"kali_year":5418,"ahargana":1978789.2708,"sun":{"sidereal_longitude":177.6289,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":221.665,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":44.0361,"elapsed_within_tithi_degrees":8.0361},"nakshatra":{"number":17,"name":"Anurādhā","pada":3,"moon_longitude":221.665,"elapsed_within_degrees":8.3316},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":39.2938},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"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":2316,"month":10,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2567254.770833,"ahargana":1978789.2708,"kali_year":5418,"ayanamsa_lahiri":28.2785,"grahas":{"sun":{"sidereal_longitude":179.13114599999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":219.86164600000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false,"latitude":3.5714},"mars":{"sidereal_longitude":142.447246,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":190.27164600000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":244.46534600000007,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"venus":{"sidereal_longitude":158.593346,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":284.2599459999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":94.2218,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":274.2218,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":2316,"month":10,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2567254.770833,"kali_year":5418,"ahargana":1978789.2708,"sun":{"sidereal_longitude":177.6289,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":221.665,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":44.0361,"elapsed_within_tithi_degrees":8.0361},"nakshatra":{"number":17,"name":"Anurādhā","pada":3,"moon_longitude":221.665,"elapsed_within_degrees":8.3316},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":39.2938},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.571,"elongation":44.036},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.571,"opposition_distance":135.964}},"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":"06:03","sunsetLocal":"17:28","solarNoonLocal":"11:45","dayLengthHours":11.407294550317683,"dayLengthDisplay":"11 Hours 24 Mins 26 Secs","nightLengthDisplay":"12 Hours 35 Mins 34 Secs","moonriseLocal":"09:12","moonsetLocal":"19:45","rahuKala":{"name":"Rāhu Kāla","start":"08:54","end":"10:20","startHours":8.904086019642167,"endHours":10.329997838431876,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:11","end":"14:36","startHours":13.181821476011297,"endHours":14.607733294801008,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:03","end":"07:29","startHours":6.052262382062746,"endHours":7.478174200852456,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:43","end":"09:06","startHours":8.713964443803539,"endHours":9.094207595480794,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:32","end":"06:50","startHours":6.527566321659316,"endHours":6.831760843001121,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:23","end":"12:08","startHours":11.375666505544332,"endHours":12.136152808898844,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:32","end":"05:18","startHours":4.531289775353722,"endHours":5.291776078708233,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:06","end":"06:03","startHours":5.101654502869605,"endHours":6.052262382062746,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:39","end":"14:25","startHours":13.657125415607869,"endHours":14.41761171896238,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:16","end":"17:40","startHours":17.25955693238043,"endHours":17.65955693238043,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:28","end":"17:56","startHours":17.45955693238043,"endHours":17.934860871977,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:13","end":"18:58","startHours":17.20955693238043,"endHours":18.95955693238043,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:23","end":"00:08","startHours":23.37566650554433,"endHours":24.136152808898842,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:03","end":"07:29","startHours":6.052262382062746,"endHours":7.478174200852456,"quality":"inauspicious"},{"name":"Śubha","start":"07:29","end":"08:54","startHours":7.478174200852456,"endHours":8.904086019642167,"quality":"auspicious"},{"name":"Roga","start":"08:54","end":"10:20","startHours":8.904086019642167,"endHours":10.329997838431876,"quality":"inauspicious"},{"name":"Udveg","start":"10:20","end":"11:45","startHours":10.329997838431876,"endHours":11.755909657221586,"quality":"inauspicious"},{"name":"Chala","start":"11:45","end":"13:11","startHours":11.755909657221586,"endHours":13.181821476011297,"quality":"neutral"},{"name":"Labha","start":"13:11","end":"14:36","startHours":13.181821476011297,"endHours":14.607733294801008,"quality":"auspicious"},{"name":"Amṛta","start":"14:36","end":"16:02","startHours":14.607733294801008,"endHours":16.03364511359072,"quality":"auspicious"},{"name":"Kāla","start":"16:02","end":"17:28","startHours":16.03364511359072,"endHours":17.45955693238043,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:28","end":"19:02","startHours":17.45955693238043,"endHours":19.03364511359072,"quality":"auspicious"},{"name":"Amṛta","start":"19:02","end":"20:36","startHours":19.03364511359072,"endHours":20.607733294801008,"quality":"auspicious"},{"name":"Kāla","start":"20:36","end":"22:11","startHours":20.607733294801008,"endHours":22.1818214760113,"quality":"inauspicious"},{"name":"Śubha","start":"22:11","end":"23:45","startHours":22.1818214760113,"endHours":23.755909657221586,"quality":"auspicious"},{"name":"Roga","start":"23:45","end":"01:20","startHours":23.755909657221586,"endHours":25.32999783843188,"quality":"inauspicious"},{"name":"Udveg","start":"01:20","end":"02:54","startHours":25.32999783843188,"endHours":26.90408601964217,"quality":"inauspicious"},{"name":"Chala","start":"02:54","end":"04:29","startHours":26.90408601964217,"endHours":28.478174200852457,"quality":"neutral"},{"name":"Labha","start":"04:29","end":"06:03","startHours":28.478174200852457,"endHours":30.052262382062747,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:03","end":"07:03","startHours":6.052262382062746,"endHours":7.052262382062746,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:03","end":"08:03","startHours":7.052262382062746,"endHours":8.052262382062747,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:03","end":"09:03","startHours":8.052262382062747,"endHours":9.052262382062747,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:03","end":"10:03","startHours":9.052262382062747,"endHours":10.052262382062747,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:03","end":"11:03","startHours":10.052262382062747,"endHours":11.052262382062747,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:03","end":"12:03","startHours":11.052262382062747,"endHours":12.052262382062747,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:03","end":"13:03","startHours":12.052262382062747,"endHours":13.052262382062747,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:03","end":"14:03","startHours":13.052262382062747,"endHours":14.052262382062747,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:03","end":"15:03","startHours":14.052262382062747,"endHours":15.052262382062747,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:03","end":"16:03","startHours":15.052262382062747,"endHours":16.052262382062747,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:03","end":"17:03","startHours":16.052262382062747,"endHours":17.052262382062747,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:03","end":"18:03","startHours":17.052262382062747,"endHours":18.052262382062747,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:03","end":"19:03","startHours":18.052262382062747,"endHours":19.052262382062747,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:03","end":"20:03","startHours":19.052262382062747,"endHours":20.052262382062747,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:03","end":"21:03","startHours":20.052262382062747,"endHours":21.052262382062747,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:03","end":"22:03","startHours":21.052262382062747,"endHours":22.052262382062747,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:03","end":"23:03","startHours":22.052262382062747,"endHours":23.052262382062747,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:03","end":"00:03","startHours":23.052262382062747,"endHours":24.052262382062747,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:03","end":"01:03","startHours":24.052262382062747,"endHours":25.052262382062747,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:03","end":"02:03","startHours":25.052262382062747,"endHours":26.052262382062747,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:03","end":"03:03","startHours":26.052262382062747,"endHours":27.052262382062747,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:03","end":"04:03","startHours":27.052262382062747,"endHours":28.052262382062747,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:03","end":"05:03","startHours":28.052262382062747,"endHours":29.052262382062747,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:03","end":"06:03","startHours":29.052262382062747,"endHours":30.052262382062747,"planetary_lord":"Mercury"}],"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":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-East","rahuVasa":"East","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-10.55013584223388,"eotMinutes":15.829420566704727,"ayanamsa":28.2785}},"calendars":{"vikram_samvat":2373,"vikram_samvatsara":"Saumya","saka_samvat":2238,"saka_samvatsara":"Durmukhi","bengali_samvat":1723,"malayalam_era":1492,"nanakshahi_year":847,"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":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Caturthī · Vikram 2373 Saumya · Śaka 2238 Durmukhi"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"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 21, 2316 CE · Ayodhyā · Vidhyamitra","description":"October 21, 2316 CE for Ayodhyā: Śukla Caturthī, sūryodaya 06:03, sūryāsta 17:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2316-10-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2316-10-21","sa":"https://sa.vidhyamitra.com/city/ayodhya/2316-10-21","hi":"https://hi.vidhyamitra.com/city/ayodhya/2316-10-21","x-default":"https://vidhyamitra.com/city/ayodhya/2316-10-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T06:14:24.532Z","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":"2026-06-03T06:14:24.532Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T06:14:24.532Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}