{"id":"vidhyamitra:city-day:erode:2105-09-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2105-09-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2105-09-17","date_display":"September 17, 2105 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":2105,"month":9,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2490154.770833,"kali_year":5207,"ahargana":1901689.2708,"sun":{"sidereal_longitude":147.756,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":245.5105,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":97.7545,"elapsed_within_tithi_degrees":1.7545},"nakshatra":{"number":19,"name":"Mūla","pada":2,"moon_longitude":245.5105,"elapsed_within_degrees":5.5105},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":33.2665},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2105,"month":9,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2490154.770833,"ahargana":1901689.2708,"kali_year":5207,"ayanamsa_lahiri":25.3297,"grahas":{"sun":{"sidereal_longitude":148.740833,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":244.311733,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false,"latitude":1.9823},"mars":{"sidereal_longitude":87.61923300000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":163.77493300000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":338.582333,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":125.42373299999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":232.40833299999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":219.3509,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":39.3509,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","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":2105,"month":9,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2490154.770833,"kali_year":5207,"ahargana":1901689.2708,"sun":{"sidereal_longitude":147.756,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":245.5105,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":97.7545,"elapsed_within_tithi_degrees":1.7545},"nakshatra":{"number":19,"name":"Mūla","pada":2,"moon_longitude":245.5105,"elapsed_within_degrees":5.5105},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":33.2665},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.982,"elongation":97.755},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.982,"opposition_distance":82.245}},"eclipse_window_40days":[]},"city":{"slug":"erode","name":"Erode, Tamil Nadu","lat":11.341,"lon":77.7172,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"erode","name":"Erode, Tamil Nadu","lat":11.341,"lon":77.7172,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"sunriseLocal":"06:08","sunsetLocal":"18:18","solarNoonLocal":"12:13","dayLengthHours":12.176393080431332,"dayLengthDisplay":"12 Hours 10 Mins 35 Secs","nightLengthDisplay":"11 Hours 49 Mins 25 Secs","moonriseLocal":"12:53","moonsetLocal":"00:18","rahuKala":{"name":"Rāhu Kāla","start":"13:44","end":"15:16","startHours":13.736909739131118,"endHours":15.258958874185033,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:08","end":"07:39","startHours":6.1266640638615355,"endHours":7.648713198915452,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:10","end":"10:42","startHours":9.170762333969368,"endHours":10.692811469023285,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:58","end":"09:22","startHours":8.967822449295513,"endHours":9.373702218643224,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:38","end":"06:58","startHours":6.634013775546174,"endHours":6.958717591024343,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:37","startHours":11.808980834729491,"endHours":12.620740373424914,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:30","end":"05:19","startHours":4.503144986470691,"endHours":5.314904525166114,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:07","end":"06:08","startHours":5.111964640492258,"endHours":6.1266640638615355,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:15","end":"15:03","startHours":14.244259450815758,"endHours":15.05601898951118,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:06","end":"18:30","startHours":18.10305714429287,"endHours":18.503057144292868,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:18","end":"18:49","startHours":18.30305714429287,"endHours":18.810406855977508,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:03","end":"19:48","startHours":18.05305714429287,"endHours":19.80305714429287,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:37","startHours":23.808980834729493,"endHours":24.620740373424912,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:08","end":"07:39","startHours":6.1266640638615355,"endHours":7.648713198915452,"quality":"auspicious"},{"name":"Roga","start":"07:39","end":"09:10","startHours":7.648713198915452,"endHours":9.170762333969368,"quality":"inauspicious"},{"name":"Udveg","start":"09:10","end":"10:42","startHours":9.170762333969368,"endHours":10.692811469023285,"quality":"inauspicious"},{"name":"Chala","start":"10:42","end":"12:13","startHours":10.692811469023285,"endHours":12.214860604077202,"quality":"neutral"},{"name":"Labha","start":"12:13","end":"13:44","startHours":12.214860604077202,"endHours":13.736909739131118,"quality":"auspicious"},{"name":"Amṛta","start":"13:44","end":"15:16","startHours":13.736909739131118,"endHours":15.258958874185033,"quality":"auspicious"},{"name":"Kāla","start":"15:16","end":"16:47","startHours":15.258958874185033,"endHours":16.781008009238953,"quality":"inauspicious"},{"name":"Śubha","start":"16:47","end":"18:18","startHours":16.781008009238953,"endHours":18.30305714429287,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:18","end":"19:47","startHours":18.30305714429287,"endHours":19.781008009238953,"quality":"auspicious"},{"name":"Kāla","start":"19:47","end":"21:16","startHours":19.781008009238953,"endHours":21.258958874185033,"quality":"inauspicious"},{"name":"Śubha","start":"21:16","end":"22:44","startHours":21.258958874185033,"endHours":22.736909739131118,"quality":"auspicious"},{"name":"Roga","start":"22:44","end":"00:13","startHours":22.736909739131118,"endHours":24.214860604077202,"quality":"inauspicious"},{"name":"Udveg","start":"00:13","end":"01:42","startHours":24.214860604077202,"endHours":25.692811469023287,"quality":"inauspicious"},{"name":"Chala","start":"01:42","end":"03:10","startHours":25.692811469023287,"endHours":27.17076233396937,"quality":"neutral"},{"name":"Labha","start":"03:10","end":"04:39","startHours":27.17076233396937,"endHours":28.648713198915452,"quality":"auspicious"},{"name":"Amṛta","start":"04:39","end":"06:08","startHours":28.648713198915452,"endHours":30.126664063861536,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:08","end":"07:08","startHours":6.1266640638615355,"endHours":7.1266640638615355,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:08","end":"08:08","startHours":7.1266640638615355,"endHours":8.126664063861536,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:08","end":"09:08","startHours":8.126664063861536,"endHours":9.126664063861536,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:08","end":"10:08","startHours":9.126664063861536,"endHours":10.126664063861536,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:08","end":"11:08","startHours":10.126664063861536,"endHours":11.126664063861536,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:08","end":"12:08","startHours":11.126664063861536,"endHours":12.126664063861536,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:08","end":"13:08","startHours":12.126664063861536,"endHours":13.126664063861536,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:08","end":"14:08","startHours":13.126664063861536,"endHours":14.126664063861536,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:08","end":"15:08","startHours":14.126664063861536,"endHours":15.126664063861536,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:08","end":"16:08","startHours":15.126664063861536,"endHours":16.126664063861536,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:08","end":"17:08","startHours":16.126664063861536,"endHours":17.126664063861536,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:08","end":"18:08","startHours":17.126664063861536,"endHours":18.126664063861536,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:08","end":"19:08","startHours":18.126664063861536,"endHours":19.126664063861536,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:08","end":"20:08","startHours":19.126664063861536,"endHours":20.126664063861536,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:08","end":"21:08","startHours":20.126664063861536,"endHours":21.126664063861536,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:08","end":"22:08","startHours":21.126664063861536,"endHours":22.126664063861536,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:08","end":"23:08","startHours":22.126664063861536,"endHours":23.126664063861536,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:08","end":"00:08","startHours":23.126664063861536,"endHours":24.126664063861536,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:08","end":"01:08","startHours":24.126664063861536,"endHours":25.126664063861536,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:08","end":"02:08","startHours":25.126664063861536,"endHours":26.126664063861536,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:08","end":"03:08","startHours":26.126664063861536,"endHours":27.126664063861536,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:08","end":"04:08","startHours":27.126664063861536,"endHours":28.126664063861536,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:08","end":"05:08","startHours":28.126664063861536,"endHours":29.126664063861536,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:08","end":"06:08","startHours":29.126664063861536,"endHours":30.126664063861536,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"East","rahuVasa":"North-West","anandadiYoga":{"name":"Dhvaja","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":2.354797018843407,"eotMinutes":6.239563755367786,"ayanamsa":25.3297}},"calendars":{"vikram_samvat":2162,"vikram_samvatsara":"Bahudhānya","saka_samvat":2027,"saka_samvatsara":"Krodhana","bengali_samvat":1512,"malayalam_era":1281,"nanakshahi_year":636,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla 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 Śukla Navamī · Vikram 2162 Bahudhānya · Śaka 2027 Krodhana"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 Śukla Navamī","url":"/day/-1626101-04-03","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"erode"},"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, 2105 CE · Erode, Tamil Nadu · Vidhyamitra","description":"September 17, 2105 CE for Erode, Tamil Nadu: Śukla Navamī, sūryodaya 06:08, sūryāsta 18:18.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2105-09-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2105-09-17","sa":"https://sa.vidhyamitra.com/city/erode/2105-09-17","hi":"https://hi.vidhyamitra.com/city/erode/2105-09-17","x-default":"https://vidhyamitra.com/city/erode/2105-09-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T09:27:25.335Z","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":"2026-06-02T09:27:25.335Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T09:27:25.335Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}