{"id":"vidhyamitra:city-day:ayodhya:2280-10-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2280-10-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2280-10-17","date_display":"October 17, 2280 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":2280,"month":10,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2554102.770833,"kali_year":5382,"ahargana":1965637.2708,"sun":{"sidereal_longitude":174.965,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":91.8343,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":276.8693,"elapsed_within_tithi_degrees":0.8693},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":91.8343,"elapsed_within_degrees":11.8343},"yoga":{"number":21,"name":"Siddha","sum_longitude":266.7992},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2280,"month":10,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2554102.770833,"ahargana":1965637.2708,"kali_year":5382,"ayanamsa_lahiri":27.7755,"grahas":{"sun":{"sidereal_longitude":176.38394900000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":95.06924900000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false,"latitude":1.5933},"mars":{"sidereal_longitude":112.32104900000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":175.78434900000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":233.65204900000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":219.046249,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":214.43394899999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":71.0781,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":251.0781,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"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":2280,"month":10,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2554102.770833,"kali_year":5382,"ahargana":1965637.2708,"sun":{"sidereal_longitude":174.965,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":91.8343,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":276.8693,"elapsed_within_tithi_degrees":0.8693},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":91.8343,"elapsed_within_degrees":11.8343},"yoga":{"number":21,"name":"Siddha","sum_longitude":266.7992},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.593,"elongation":83.131},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.593,"opposition_distance":96.869}},"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":"17:31","solarNoonLocal":"11:46","dayLengthHours":11.489091733241304,"dayLengthDisplay":"11 Hours 29 Mins 21 Secs","nightLengthDisplay":"12 Hours 30 Mins 39 Secs","moonriseLocal":"23:37","moonsetLocal":"13:05","rahuKala":{"name":"Rāhu Kāla","start":"16:04","end":"17:31","startHours":16.074352407265025,"endHours":17.51048887392019,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:46","end":"13:12","startHours":11.765943007299537,"endHours":13.202079473954699,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:38","end":"16:04","startHours":14.638215940609863,"endHours":16.074352407265025,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:42","end":"09:05","startHours":8.702185211768523,"endHours":9.085154936209898,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:30","end":"06:48","startHours":6.500109296230605,"endHours":6.806485075783706,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:23","end":"12:09","startHours":11.382973282858158,"endHours":12.148912731740912,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:29","end":"05:15","startHours":4.489518242913377,"endHours":5.25545769179613,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:04","end":"06:01","startHours":5.063972829575442,"endHours":6.021397140678884,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:41","end":"14:27","startHours":13.68079162950642,"endHours":14.446731078389174,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:19","end":"17:43","startHours":17.31048887392019,"endHours":17.710488873920188,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:31","end":"17:59","startHours":17.51048887392019,"endHours":17.98920102947191,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:16","end":"19:01","startHours":17.26048887392019,"endHours":19.01048887392019,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:23","end":"00:09","startHours":23.382973282858156,"endHours":24.14891273174091,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:01","end":"07:27","startHours":6.021397140678884,"endHours":7.457533607334047,"quality":"inauspicious"},{"name":"Chala","start":"07:27","end":"08:54","startHours":7.457533607334047,"endHours":8.89367007398921,"quality":"neutral"},{"name":"Labha","start":"08:54","end":"10:20","startHours":8.89367007398921,"endHours":10.329806540644373,"quality":"auspicious"},{"name":"Amṛta","start":"10:20","end":"11:46","startHours":10.329806540644373,"endHours":11.765943007299537,"quality":"auspicious"},{"name":"Kāla","start":"11:46","end":"13:12","startHours":11.765943007299537,"endHours":13.202079473954699,"quality":"inauspicious"},{"name":"Śubha","start":"13:12","end":"14:38","startHours":13.202079473954699,"endHours":14.638215940609863,"quality":"auspicious"},{"name":"Roga","start":"14:38","end":"16:04","startHours":14.638215940609863,"endHours":16.074352407265025,"quality":"inauspicious"},{"name":"Udveg","start":"16:04","end":"17:31","startHours":16.074352407265025,"endHours":17.51048887392019,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:31","end":"19:04","startHours":17.51048887392019,"endHours":19.074352407265025,"quality":"auspicious"},{"name":"Roga","start":"19:04","end":"20:38","startHours":19.074352407265025,"endHours":20.63821594060986,"quality":"inauspicious"},{"name":"Udveg","start":"20:38","end":"22:12","startHours":20.63821594060986,"endHours":22.202079473954697,"quality":"inauspicious"},{"name":"Chala","start":"22:12","end":"23:46","startHours":22.202079473954697,"endHours":23.765943007299537,"quality":"neutral"},{"name":"Labha","start":"23:46","end":"01:20","startHours":23.765943007299537,"endHours":25.329806540644373,"quality":"auspicious"},{"name":"Amṛta","start":"01:20","end":"02:54","startHours":25.329806540644373,"endHours":26.89367007398921,"quality":"auspicious"},{"name":"Kāla","start":"02:54","end":"04:27","startHours":26.89367007398921,"endHours":28.45753360733405,"quality":"inauspicious"},{"name":"Śubha","start":"04:27","end":"06:01","startHours":28.45753360733405,"endHours":30.021397140678886,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:01","end":"07:01","startHours":6.021397140678884,"endHours":7.021397140678884,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:01","end":"08:01","startHours":7.021397140678884,"endHours":8.021397140678884,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:01","end":"09:01","startHours":8.021397140678884,"endHours":9.021397140678884,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:01","end":"10:01","startHours":9.021397140678884,"endHours":10.021397140678884,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:01","end":"11:01","startHours":10.021397140678884,"endHours":11.021397140678884,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:01","end":"12:01","startHours":11.021397140678884,"endHours":12.021397140678884,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:01","end":"13:01","startHours":12.021397140678884,"endHours":13.021397140678884,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:01","end":"14:01","startHours":13.021397140678884,"endHours":14.021397140678884,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:01","end":"15:01","startHours":14.021397140678884,"endHours":15.021397140678884,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:01","end":"16:01","startHours":15.021397140678884,"endHours":16.021397140678886,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:01","end":"17:01","startHours":16.021397140678886,"endHours":17.021397140678886,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:01","end":"18:01","startHours":17.021397140678886,"endHours":18.021397140678886,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:01","end":"19:01","startHours":18.021397140678886,"endHours":19.021397140678886,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:01","end":"20:01","startHours":19.021397140678886,"endHours":20.021397140678886,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:01","end":"21:01","startHours":20.021397140678886,"endHours":21.021397140678886,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:01","end":"22:01","startHours":21.021397140678886,"endHours":22.021397140678886,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:01","end":"23:01","startHours":22.021397140678886,"endHours":23.021397140678886,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:01","end":"00:01","startHours":23.021397140678886,"endHours":24.021397140678886,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:01","end":"01:01","startHours":24.021397140678886,"endHours":25.021397140678886,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:01","end":"02:01","startHours":25.021397140678886,"endHours":26.021397140678886,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:01","end":"03:01","startHours":26.021397140678886,"endHours":27.021397140678886,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:01","end":"04:01","startHours":27.021397140678886,"endHours":28.021397140678886,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:01","end":"05:01","startHours":28.021397140678886,"endHours":29.021397140678886,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:01","end":"06:01","startHours":29.021397140678886,"endHours":30.021397140678886,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvaja","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":-9.368462735315976,"eotMinutes":15.227419562027912,"ayanamsa":27.7755}},"calendars":{"vikram_samvat":2337,"vikram_samvatsara":"Śrīmukha","saka_samvat":2202,"saka_samvatsara":"Raudra","bengali_samvat":1687,"malayalam_era":1456,"nanakshahi_year":811,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa 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 Kṛṣṇa Navamī · Vikram 2337 Śrīmukha · Śaka 2202 Raudra"},"festivals":[],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","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 17, 2280 CE · Ayodhyā · Vidhyamitra","description":"October 17, 2280 CE for Ayodhyā: Kṛṣṇa Navamī, sūryodaya 06:01, sūryāsta 17:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2280-10-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2280-10-17","sa":"https://sa.vidhyamitra.com/city/ayodhya/2280-10-17","hi":"https://hi.vidhyamitra.com/city/ayodhya/2280-10-17","x-default":"https://vidhyamitra.com/city/ayodhya/2280-10-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T00:56:00.523Z","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":"2026-06-01T00:56:00.523Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T00:56:00.523Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}