{"id":"vidhyamitra:city-day:erode:2025-10-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2025-10-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2025-10-15","date_display":"October 15, 2025 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":2025,"month":10,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460963.770833,"kali_year":5127,"ahargana":1872498.2708,"sun":{"sidereal_longitude":176.932,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":100.1583,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":283.2263,"elapsed_within_tithi_degrees":7.2263},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":100.1583,"elapsed_within_degrees":6.825},"yoga":{"number":21,"name":"Siddha","sum_longitude":277.0903},"karana":{"half_tithi_index":47,"name":"Gara"},"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":2025,"month":10,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2460963.770833,"ahargana":1872498.2708,"kali_year":5127,"ayanamsa_lahiri":24.2132,"grahas":{"sun":{"sidereal_longitude":177.728744,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":103.64964399999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false,"latitude":3.2284},"mars":{"sidereal_longitude":200.95464400000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":197.51734399999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":89.60114399999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"venus":{"sidereal_longitude":156.88614400000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":332.61174400000004,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":326.0305,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":146.0305,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","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":2025,"month":10,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460963.770833,"kali_year":5127,"ahargana":1872498.2708,"sun":{"sidereal_longitude":176.932,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":100.1583,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":283.2263,"elapsed_within_tithi_degrees":7.2263},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":100.1583,"elapsed_within_degrees":6.825},"yoga":{"number":21,"name":"Siddha","sum_longitude":277.0903},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.228,"elongation":76.774},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.228,"opposition_distance":103.226}},"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":"18:01","solarNoonLocal":"12:04","dayLengthHours":11.884270780478623,"dayLengthDisplay":"11 Hours 53 Mins 03 Secs","nightLengthDisplay":"12 Hours 06 Mins 57 Secs","moonriseLocal":"00:50","moonsetLocal":"13:26","rahuKala":{"name":"Rāhu Kāla","start":"12:04","end":"13:33","startHours":12.071239493811532,"endHours":13.55677334137136,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:37","end":"09:06","startHours":7.614637951132048,"endHours":9.100171798691875,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:35","end":"12:04","startHours":10.585705646251704,"endHours":12.071239493811532,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:54","end":"09:18","startHours":8.902100619017233,"endHours":9.29824297836652,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:37","end":"06:56","startHours":6.624282052758829,"endHours":6.941195940238259,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:41","end":"12:28","startHours":11.675097134462245,"endHours":12.46738185316082,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:33","end":"05:20","startHours":4.54453466617507,"endHours":5.336819384873645,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:08","end":"06:08","startHours":5.138748205199001,"endHours":6.12910410357222,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:03","end":"14:51","startHours":14.05195129055797,"endHours":14.844236009256544,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:49","end":"18:13","startHours":17.813374884050845,"endHours":18.213374884050843,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:01","end":"18:31","startHours":18.013374884050844,"endHours":18.508552833237452,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:46","end":"19:31","startHours":17.763374884050844,"endHours":19.513374884050844,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:41","end":"00:28","startHours":23.675097134462245,"endHours":24.46738185316082,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:08","end":"07:37","startHours":6.12910410357222,"endHours":7.614637951132048,"quality":"auspicious"},{"name":"Amṛta","start":"07:37","end":"09:06","startHours":7.614637951132048,"endHours":9.100171798691875,"quality":"auspicious"},{"name":"Kāla","start":"09:06","end":"10:35","startHours":9.100171798691875,"endHours":10.585705646251704,"quality":"inauspicious"},{"name":"Śubha","start":"10:35","end":"12:04","startHours":10.585705646251704,"endHours":12.071239493811532,"quality":"auspicious"},{"name":"Roga","start":"12:04","end":"13:33","startHours":12.071239493811532,"endHours":13.55677334137136,"quality":"inauspicious"},{"name":"Udveg","start":"13:33","end":"15:03","startHours":13.55677334137136,"endHours":15.042307188931186,"quality":"inauspicious"},{"name":"Chala","start":"15:03","end":"16:32","startHours":15.042307188931186,"endHours":16.527841036491015,"quality":"neutral"},{"name":"Labha","start":"16:32","end":"18:01","startHours":16.527841036491015,"endHours":18.013374884050844,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:01","end":"19:32","startHours":18.013374884050844,"endHours":19.527841036491015,"quality":"inauspicious"},{"name":"Chala","start":"19:32","end":"21:03","startHours":19.527841036491015,"endHours":21.04230718893119,"quality":"neutral"},{"name":"Labha","start":"21:03","end":"22:33","startHours":21.04230718893119,"endHours":22.55677334137136,"quality":"auspicious"},{"name":"Amṛta","start":"22:33","end":"00:04","startHours":22.55677334137136,"endHours":24.071239493811532,"quality":"auspicious"},{"name":"Kāla","start":"00:04","end":"01:35","startHours":24.071239493811532,"endHours":25.585705646251704,"quality":"inauspicious"},{"name":"Śubha","start":"01:35","end":"03:06","startHours":25.585705646251704,"endHours":27.100171798691875,"quality":"auspicious"},{"name":"Roga","start":"03:06","end":"04:37","startHours":27.100171798691875,"endHours":28.61463795113205,"quality":"inauspicious"},{"name":"Udveg","start":"04:37","end":"06:08","startHours":28.61463795113205,"endHours":30.12910410357222,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:08","end":"07:08","startHours":6.12910410357222,"endHours":7.12910410357222,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:08","end":"08:08","startHours":7.12910410357222,"endHours":8.129104103572221,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:08","end":"09:08","startHours":8.129104103572221,"endHours":9.129104103572221,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:08","end":"10:08","startHours":9.129104103572221,"endHours":10.129104103572221,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:08","end":"11:08","startHours":10.129104103572221,"endHours":11.129104103572221,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:08","end":"12:08","startHours":11.129104103572221,"endHours":12.129104103572221,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:08","end":"13:08","startHours":12.129104103572221,"endHours":13.129104103572221,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:08","end":"14:08","startHours":13.129104103572221,"endHours":14.129104103572221,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:08","end":"15:08","startHours":14.129104103572221,"endHours":15.129104103572221,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:08","end":"16:08","startHours":15.129104103572221,"endHours":16.12910410357222,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:08","end":"17:08","startHours":16.12910410357222,"endHours":17.12910410357222,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:08","end":"18:08","startHours":17.12910410357222,"endHours":18.12910410357222,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:08","end":"19:08","startHours":18.12910410357222,"endHours":19.12910410357222,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:08","end":"20:08","startHours":19.12910410357222,"endHours":20.12910410357222,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:08","end":"21:08","startHours":20.12910410357222,"endHours":21.12910410357222,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:08","end":"22:08","startHours":21.12910410357222,"endHours":22.12910410357222,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:08","end":"23:08","startHours":22.12910410357222,"endHours":23.12910410357222,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:08","end":"00:08","startHours":23.12910410357222,"endHours":24.12910410357222,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:08","end":"01:08","startHours":24.12910410357222,"endHours":25.12910410357222,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:08","end":"02:08","startHours":25.12910410357222,"endHours":26.12910410357222,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:08","end":"03:08","startHours":26.12910410357222,"endHours":27.12910410357222,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:08","end":"04:08","startHours":27.12910410357222,"endHours":28.12910410357222,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:08","end":"05:08","startHours":28.12910410357222,"endHours":29.12910410357222,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:08","end":"06:08","startHours":29.12910410357222,"endHours":30.12910410357222,"planetary_lord":"Sun"}],"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","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"South-West","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-8.546930827966012,"eotMinutes":14.85683037130801,"ayanamsa":24.2132}},"calendars":{"vikram_samvat":2082,"vikram_samvatsara":"Kālayukta","saka_samvat":1947,"saka_samvatsara":"Viśvāvasu","bengali_samvat":1432,"malayalam_era":1201,"nanakshahi_year":556,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Navamī · Vikram 2082 Kālayukta · Śaka 1947 Viśvāvasu"},"festivals":[{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi":"Kanyā"},"precedence":4}],"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":[]},"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 October 15, 2025 CE · Erode, Tamil Nadu · Vidhyamitra","description":"October 15, 2025 CE for Erode, Tamil Nadu: Kṛṣṇa Navamī, sūryodaya 06:08, sūryāsta 18:01.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2025-10-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2025-10-15","sa":"https://sa.vidhyamitra.com/city/erode/2025-10-15","hi":"https://hi.vidhyamitra.com/city/erode/2025-10-15","x-default":"https://vidhyamitra.com/city/erode/2025-10-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T00:41:54.964Z","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":"2026-05-15T00:41:54.964Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T00:41:54.964Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}