{"id":"vidhyamitra:city-day:erode:2103-01-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2103-01-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2103-01-17","date_display":"January 17, 2103 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":2103,"month":1,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2489180.770833,"kali_year":5204,"ahargana":1900715.2708,"sun":{"sidereal_longitude":270.5727,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":17.71,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":107.1372,"elapsed_within_tithi_degrees":11.1372},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2,"moon_longitude":17.71,"elapsed_within_degrees":4.3766},"yoga":{"number":22,"name":"Sādhya","sum_longitude":288.2827},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2103,"month":1,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2489180.770833,"ahargana":1900715.2708,"kali_year":5204,"ayanamsa_lahiri":25.2924,"grahas":{"sun":{"sidereal_longitude":270.927547,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":20.848647000000028,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false,"latitude":4.3087},"mars":{"sidereal_longitude":253.43054699999993,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":246.59724699999992,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":254.35894699999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":295.95894699999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":213.26774699999999,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":270.9581,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":90.9581,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","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":2103,"month":1,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2489180.770833,"kali_year":5204,"ahargana":1900715.2708,"sun":{"sidereal_longitude":270.5727,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":17.71,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":107.1372,"elapsed_within_tithi_degrees":11.1372},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2,"moon_longitude":17.71,"elapsed_within_degrees":4.3766},"yoga":{"number":22,"name":"Sādhya","sum_longitude":288.2827},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.309,"elongation":107.137},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.309,"opposition_distance":72.863}},"eclipse_window_40days":[{"offset_days":-8,"type":"solar","occurs":true,"moon_latitude":-0.501,"elongation":2.631},{"offset_days":6,"type":"lunar","occurs":true,"moon_latitude":-0.361,"opposition_distance":1.481}]},"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":"06:43","sunsetLocal":"18:15","solarNoonLocal":"12:29","dayLengthHours":11.535750565321504,"dayLengthDisplay":"11 Hours 32 Mins 09 Secs","nightLengthDisplay":"12 Hours 27 Mins 51 Secs","moonriseLocal":"13:33","moonsetLocal":"02:05","rahuKala":{"name":"Rāhu Kāla","start":"12:29","end":"13:56","startHours":12.485954812435144,"endHours":13.927923633100333,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:10","end":"09:36","startHours":8.160048350439581,"endHours":9.60201717110477,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:03","end":"12:29","startHours":11.043985991769956,"endHours":12.485954812435144,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:25","end":"09:48","startHours":9.409754661682744,"endHours":9.794279680526794,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:12","end":"07:30","startHours":7.1987358033294555,"endHours":7.506355818404695,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:06","end":"12:52","startHours":12.101429793591095,"endHours":12.870479831279194,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:11","end":"05:57","startHours":5.179979454398192,"endHours":5.949029492086293,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:45","end":"06:43","startHours":5.756766982664267,"endHours":6.718079529774393,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:25","end":"15:11","startHours":14.408579906655394,"endHours":15.177629944343494,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:03","end":"18:27","startHours":18.053830095095897,"endHours":18.453830095095896,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:15","end":"18:44","startHours":18.253830095095896,"endHours":18.73448636865096,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:00","end":"19:45","startHours":18.003830095095896,"endHours":19.753830095095896,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:06","end":"00:52","startHours":24.101429793591095,"endHours":24.870479831279198,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:43","end":"08:10","startHours":6.718079529774393,"endHours":8.160048350439581,"quality":"auspicious"},{"name":"Amṛta","start":"08:10","end":"09:36","startHours":8.160048350439581,"endHours":9.60201717110477,"quality":"auspicious"},{"name":"Kāla","start":"09:36","end":"11:03","startHours":9.60201717110477,"endHours":11.043985991769956,"quality":"inauspicious"},{"name":"Śubha","start":"11:03","end":"12:29","startHours":11.043985991769956,"endHours":12.485954812435144,"quality":"auspicious"},{"name":"Roga","start":"12:29","end":"13:56","startHours":12.485954812435144,"endHours":13.927923633100333,"quality":"inauspicious"},{"name":"Udveg","start":"13:56","end":"15:22","startHours":13.927923633100333,"endHours":15.36989245376552,"quality":"inauspicious"},{"name":"Chala","start":"15:22","end":"16:49","startHours":15.36989245376552,"endHours":16.811861274430708,"quality":"neutral"},{"name":"Labha","start":"16:49","end":"18:15","startHours":16.811861274430708,"endHours":18.253830095095896,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:15","end":"19:49","startHours":18.253830095095896,"endHours":19.811861274430708,"quality":"inauspicious"},{"name":"Chala","start":"19:49","end":"21:22","startHours":19.811861274430708,"endHours":21.36989245376552,"quality":"neutral"},{"name":"Labha","start":"21:22","end":"22:56","startHours":21.36989245376552,"endHours":22.927923633100335,"quality":"auspicious"},{"name":"Amṛta","start":"22:56","end":"00:29","startHours":22.927923633100335,"endHours":24.485954812435146,"quality":"auspicious"},{"name":"Kāla","start":"00:29","end":"02:03","startHours":24.485954812435146,"endHours":26.043985991769958,"quality":"inauspicious"},{"name":"Śubha","start":"02:03","end":"03:36","startHours":26.043985991769958,"endHours":27.60201717110477,"quality":"auspicious"},{"name":"Roga","start":"03:36","end":"05:10","startHours":27.60201717110477,"endHours":29.16004835043958,"quality":"inauspicious"},{"name":"Udveg","start":"05:10","end":"06:43","startHours":29.16004835043958,"endHours":30.718079529774393,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:43","end":"07:43","startHours":6.718079529774393,"endHours":7.718079529774393,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:43","end":"08:43","startHours":7.718079529774393,"endHours":8.718079529774393,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:43","end":"09:43","startHours":8.718079529774393,"endHours":9.718079529774393,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:43","end":"10:43","startHours":9.718079529774393,"endHours":10.718079529774393,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:43","end":"11:43","startHours":10.718079529774393,"endHours":11.718079529774393,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:43","end":"12:43","startHours":11.718079529774393,"endHours":12.718079529774393,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:43","end":"13:43","startHours":12.718079529774393,"endHours":13.718079529774393,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:43","end":"14:43","startHours":13.718079529774393,"endHours":14.718079529774393,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:43","end":"15:43","startHours":14.718079529774393,"endHours":15.718079529774393,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:43","end":"16:43","startHours":15.718079529774393,"endHours":16.718079529774393,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:43","end":"17:43","startHours":16.718079529774393,"endHours":17.718079529774393,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:43","end":"18:43","startHours":17.718079529774393,"endHours":18.718079529774393,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:43","end":"19:43","startHours":18.718079529774393,"endHours":19.718079529774393,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:43","end":"20:43","startHours":19.718079529774393,"endHours":20.718079529774393,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:43","end":"21:43","startHours":20.718079529774393,"endHours":21.718079529774393,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:43","end":"22:43","startHours":21.718079529774393,"endHours":22.718079529774393,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:43","end":"23:43","startHours":22.718079529774393,"endHours":23.718079529774393,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:43","end":"00:43","startHours":23.718079529774393,"endHours":24.718079529774393,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:43","end":"01:43","startHours":24.718079529774393,"endHours":25.718079529774393,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:43","end":"02:43","startHours":25.718079529774393,"endHours":26.718079529774393,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:43","end":"03:43","startHours":26.718079529774393,"endHours":27.718079529774393,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:43","end":"04:43","startHours":27.718079529774393,"endHours":28.718079529774393,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:43","end":"05:43","startHours":28.718079529774393,"endHours":29.718079529774393,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:43","end":"06:43","startHours":29.718079529774393,"endHours":30.718079529774393,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"South-West","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-20.904270224344767,"eotMinutes":-10.026088746108654,"ayanamsa":25.2924}},"calendars":{"vikram_samvat":2160,"vikram_samvatsara":"Dhātṛ","saka_samvat":2025,"saka_samvatsara":"Rudhirodgāri","bengali_samvat":1510,"malayalam_era":1279,"nanakshahi_year":634,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Navamī · Vikram 2160 Dhātṛ · Śaka 2025 Rudhirodgāri"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 January 17, 2103 CE · Erode, Tamil Nadu · Vidhyamitra","description":"January 17, 2103 CE for Erode, Tamil Nadu: Śukla Navamī, sūryodaya 06:43, sūryāsta 18:15.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2103-01-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2103-01-17","sa":"https://sa.vidhyamitra.com/city/erode/2103-01-17","hi":"https://hi.vidhyamitra.com/city/erode/2103-01-17","x-default":"https://vidhyamitra.com/city/erode/2103-01-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T04:16:59.627Z","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":"2026-05-21T04:16:59.627Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T04:16:59.627Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}