{"id":"vidhyamitra:city-day:ayodhya:2310-09-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2310-09-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2310-09-17","date_display":"September 17, 2310 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":2310,"month":9,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2565028.770833,"kali_year":5412,"ahargana":1976563.2708,"sun":{"sidereal_longitude":143.8279,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":50.1544,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":266.3265,"elapsed_within_tithi_degrees":2.3265},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4,"moon_longitude":50.1544,"elapsed_within_degrees":10.1544},"yoga":{"number":15,"name":"Vajra","sum_longitude":193.9823},"karana":{"half_tithi_index":44,"name":"Bālava"},"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":2310,"month":9,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2565028.770833,"ahargana":1976563.2708,"kali_year":5412,"ayanamsa_lahiri":28.1933,"grahas":{"sun":{"sidereal_longitude":145.302796,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":49.08159599999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false,"latitude":-1.3884},"mars":{"sidereal_longitude":81.55329599999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":166.36129600000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":89.39169600000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"venus":{"sidereal_longitude":153.00849600000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":217.281296,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":212.166,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":32.166,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","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":2310,"month":9,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2565028.770833,"kali_year":5412,"ahargana":1976563.2708,"sun":{"sidereal_longitude":143.8279,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":50.1544,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":266.3265,"elapsed_within_tithi_degrees":2.3265},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4,"moon_longitude":50.1544,"elapsed_within_degrees":10.1544},"yoga":{"number":15,"name":"Vajra","sum_longitude":193.9823},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.388,"elongation":93.673},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.388,"opposition_distance":86.327}},"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":"05:46","sunsetLocal":"18:04","solarNoonLocal":"11:55","dayLengthHours":12.298650572292596,"dayLengthDisplay":"12 Hours 17 Mins 55 Secs","nightLengthDisplay":"11 Hours 42 Mins 05 Secs","moonriseLocal":"22:38","moonsetLocal":"12:22","rahuKala":{"name":"Rāhu Kāla","start":"08:50","end":"10:23","startHours":8.841077961004054,"endHours":10.378409282540629,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:27","end":"14:59","startHours":13.453071925613777,"endHours":14.990403247150352,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:46","end":"07:18","startHours":5.766415317930905,"endHours":7.303746639467479,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:38","end":"09:03","startHours":8.636100451465843,"endHours":9.046055470542264,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:17","end":"06:36","startHours":6.27885909177643,"endHours":6.606823107037566,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:30","end":"12:20","startHours":11.505785585000783,"endHours":12.325695623153624,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:08","end":"04:57","startHours":4.126595241625226,"endHours":4.946505279778066,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:44","end":"05:46","startHours":4.7415277702398555,"endHours":5.766415317930905,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:47","startHours":13.965515699459301,"endHours":14.78542573761214,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:52","end":"18:16","startHours":17.8650658902235,"endHours":18.2650658902235,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:04","end":"18:35","startHours":18.0650658902235,"endHours":18.577509664069026,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:49","end":"19:34","startHours":17.8150658902235,"endHours":19.5650658902235,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:30","end":"00:20","startHours":23.505785585000783,"endHours":24.325695623153624,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:46","end":"07:18","startHours":5.766415317930905,"endHours":7.303746639467479,"quality":"inauspicious"},{"name":"Śubha","start":"07:18","end":"08:50","startHours":7.303746639467479,"endHours":8.841077961004054,"quality":"auspicious"},{"name":"Roga","start":"08:50","end":"10:23","startHours":8.841077961004054,"endHours":10.378409282540629,"quality":"inauspicious"},{"name":"Udveg","start":"10:23","end":"11:55","startHours":10.378409282540629,"endHours":11.915740604077204,"quality":"inauspicious"},{"name":"Chala","start":"11:55","end":"13:27","startHours":11.915740604077204,"endHours":13.453071925613777,"quality":"neutral"},{"name":"Labha","start":"13:27","end":"14:59","startHours":13.453071925613777,"endHours":14.990403247150352,"quality":"auspicious"},{"name":"Amṛta","start":"14:59","end":"16:32","startHours":14.990403247150352,"endHours":16.527734568686924,"quality":"auspicious"},{"name":"Kāla","start":"16:32","end":"18:04","startHours":16.527734568686924,"endHours":18.0650658902235,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:04","end":"19:32","startHours":18.0650658902235,"endHours":19.527734568686927,"quality":"auspicious"},{"name":"Amṛta","start":"19:32","end":"20:59","startHours":19.527734568686927,"endHours":20.99040324715035,"quality":"auspicious"},{"name":"Kāla","start":"20:59","end":"22:27","startHours":20.99040324715035,"endHours":22.453071925613777,"quality":"inauspicious"},{"name":"Śubha","start":"22:27","end":"23:55","startHours":22.453071925613777,"endHours":23.915740604077204,"quality":"auspicious"},{"name":"Roga","start":"23:55","end":"01:23","startHours":23.915740604077204,"endHours":25.37840928254063,"quality":"inauspicious"},{"name":"Udveg","start":"01:23","end":"02:50","startHours":25.37840928254063,"endHours":26.841077961004054,"quality":"inauspicious"},{"name":"Chala","start":"02:50","end":"04:18","startHours":26.841077961004054,"endHours":28.30374663946748,"quality":"neutral"},{"name":"Labha","start":"04:18","end":"05:46","startHours":28.30374663946748,"endHours":29.766415317930907,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:46","end":"06:46","startHours":5.766415317930905,"endHours":6.766415317930905,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:46","end":"07:46","startHours":6.766415317930905,"endHours":7.766415317930905,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:46","end":"08:46","startHours":7.766415317930905,"endHours":8.766415317930905,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:46","end":"09:46","startHours":8.766415317930905,"endHours":9.766415317930905,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:46","end":"10:46","startHours":9.766415317930905,"endHours":10.766415317930905,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:46","end":"11:46","startHours":10.766415317930905,"endHours":11.766415317930905,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:46","end":"12:46","startHours":11.766415317930905,"endHours":12.766415317930905,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:46","end":"13:46","startHours":12.766415317930905,"endHours":13.766415317930905,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:46","end":"14:46","startHours":13.766415317930905,"endHours":14.766415317930905,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:46","end":"15:46","startHours":14.766415317930905,"endHours":15.766415317930905,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:46","end":"16:46","startHours":15.766415317930905,"endHours":16.766415317930907,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:46","end":"17:46","startHours":16.766415317930907,"endHours":17.766415317930907,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:46","end":"18:46","startHours":17.766415317930907,"endHours":18.766415317930907,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:46","end":"19:46","startHours":18.766415317930907,"endHours":19.766415317930907,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:46","end":"20:46","startHours":19.766415317930907,"endHours":20.766415317930907,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:46","end":"21:46","startHours":20.766415317930907,"endHours":21.766415317930907,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:46","end":"22:46","startHours":21.766415317930907,"endHours":22.766415317930907,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:46","end":"23:46","startHours":22.766415317930907,"endHours":23.766415317930907,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:46","end":"00:46","startHours":23.766415317930907,"endHours":24.766415317930907,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:46","end":"01:46","startHours":24.766415317930907,"endHours":25.766415317930907,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:46","end":"02:46","startHours":25.766415317930907,"endHours":26.766415317930907,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:46","end":"03:46","startHours":26.766415317930907,"endHours":27.766415317930907,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:46","end":"04:46","startHours":27.766415317930907,"endHours":28.766415317930907,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:46","end":"05:46","startHours":28.766415317930907,"endHours":29.766415317930907,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":2.582135873619725,"eotMinutes":6.239563755367786,"ayanamsa":28.1933}},"calendars":{"vikram_samvat":2367,"vikram_samvatsara":"Śobhana","saka_samvat":2232,"saka_samvatsara":"Vikṛti","bengali_samvat":1717,"malayalam_era":1486,"nanakshahi_year":841,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Aṣṭamī · Vikram 2367 Śobhana · Śaka 2232 Vikṛti"},"festivals":[{"id":"krishna-janmashtami","name":"Krishna Janmāṣṭamī","name_sanskrit":"कृष्ण जन्माष्टमी","tradition":"Vaishnava","associated_deity":"Krishna (svayaṁ bhagavān)","deity_avatara_index":20,"significance":"Bhagavān Krishna manifested at Mathurā midnight on this exact tithi-nakshatra alignment in 3227 BCE.","vrata":true,"primary_observance":"Madhya-rātri (midnight) abhiṣekam in Mathurā tradition","detection":{"tithi_number":23,"tithi_paksha":"Kṛṣṇa","nakshatra_name":"Rohiṇī","lunar_month":"Bhādrapada"},"precedence":1,"related_chart":"krishna","historical_anchor":{"event":"Bhagavān Krishna's birth at Mathurā","date_julian":"-3226-07-09","location":"Mathurā"},"sources":["Bhāgavata Purāṇa 10.3"]}],"todays_walk":{"walk":{"id":"krishna-janmashtami-walk","name":"Krishna Janmāṣṭamī Walk","name_sanskrit":"कृष्ण जन्माष्टमी यात्रा","type":"festival","description":"Bhāgavata 10.3 (birth at Mathurā) + BG 4.7-8 + 10.8 (Krishna as svayaṁ bhagavān).","step_count":11,"url":"/walk/krishna-janmashtami-walk"},"reason":"Today is Krishna Janmāṣṭamī — its dedicated walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī + Rohiṇī","url":"/day/-3226-07-09","relevance":1}]},"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 September 17, 2310 CE · Ayodhyā · Vidhyamitra","description":"September 17, 2310 CE for Ayodhyā: Kṛṣṇa Aṣṭamī, sūryodaya 05:46, sūryāsta 18:04.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2310-09-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2310-09-17","sa":"https://sa.vidhyamitra.com/city/ayodhya/2310-09-17","hi":"https://hi.vidhyamitra.com/city/ayodhya/2310-09-17","x-default":"https://vidhyamitra.com/city/ayodhya/2310-09-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T23:27:33.523Z","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":"2026-06-02T23:27:33.523Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T23:27:33.523Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}