{"id":"vidhyamitra:city-day:erode:2027-10-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2027-10-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2027-10-18","date_display":"October 18, 2027 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":2027,"month":10,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461696.770833,"kali_year":5129,"ahargana":1873231.2708,"sun":{"sidereal_longitude":179.3985,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":29.3736,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":209.9751,"elapsed_within_tithi_degrees":5.9751},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1,"moon_longitude":29.3736,"elapsed_within_degrees":2.7069},"yoga":{"number":16,"name":"Siddhi","sum_longitude":208.772},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2027,"month":10,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461696.770833,"ahargana":1873231.2708,"kali_year":5129,"ayanamsa_lahiri":24.2413,"grahas":{"sun":{"sidereal_longitude":180.19503799999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":30.207438000000025,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false,"latitude":4.3985},"mars":{"sidereal_longitude":216.88583800000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":183.60263799999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":143.24893799999995,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":197.64943800000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":0.17173800000000483,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":287.1927,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":107.1927,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1},"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":2027,"month":10,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461696.770833,"kali_year":5129,"ahargana":1873231.2708,"sun":{"sidereal_longitude":179.3985,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":29.3736,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":209.9751,"elapsed_within_tithi_degrees":5.9751},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1,"moon_longitude":29.3736,"elapsed_within_degrees":2.7069},"yoga":{"number":16,"name":"Siddhi","sum_longitude":208.772},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.398,"elongation":150.025},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.398,"opposition_distance":29.975}},"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":"18:00","solarNoonLocal":"12:04","dayLengthHours":11.859248978192939,"dayLengthDisplay":"11 Hours 51 Mins 33 Secs","nightLengthDisplay":"12 Hours 08 Mins 27 Secs","moonriseLocal":"19:46","moonsetLocal":"08:22","rahuKala":{"name":"Rāhu Kāla","start":"07:37","end":"09:06","startHours":7.615040663124008,"endHours":9.097446785398125,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:35","end":"12:04","startHours":10.579852907672244,"endHours":12.062259029946361,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:33","end":"15:02","startHours":13.544665152220478,"endHours":15.027071274494595,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:54","end":"09:18","startHours":8.899792635761576,"endHours":9.295100935034675,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:38","end":"06:57","startHours":6.626769914941263,"endHours":6.943016554359741,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:40","end":"12:27","startHours":11.66695073067326,"endHours":12.457567329219458,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:33","end":"05:21","startHours":4.551401343757499,"endHours":5.342017942303695,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:09","end":"06:08","startHours":5.1443637926671455,"endHours":6.132634540849891,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:02","end":"14:50","startHours":14.03880052631185,"endHours":14.829417124858045,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:48","end":"18:12","startHours":17.79188351904283,"endHours":18.19188351904283,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:00","end":"18:29","startHours":17.99188351904283,"endHours":18.4860188931342,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:45","end":"19:30","startHours":17.74188351904283,"endHours":19.49188351904283,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:40","end":"00:27","startHours":23.666950730673264,"endHours":24.457567329219458,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:08","end":"07:37","startHours":6.132634540849891,"endHours":7.615040663124008,"quality":"auspicious"},{"name":"Kāla","start":"07:37","end":"09:06","startHours":7.615040663124008,"endHours":9.097446785398125,"quality":"inauspicious"},{"name":"Śubha","start":"09:06","end":"10:35","startHours":9.097446785398125,"endHours":10.579852907672244,"quality":"auspicious"},{"name":"Roga","start":"10:35","end":"12:04","startHours":10.579852907672244,"endHours":12.062259029946361,"quality":"inauspicious"},{"name":"Udveg","start":"12:04","end":"13:33","startHours":12.062259029946361,"endHours":13.544665152220478,"quality":"inauspicious"},{"name":"Chala","start":"13:33","end":"15:02","startHours":13.544665152220478,"endHours":15.027071274494595,"quality":"neutral"},{"name":"Labha","start":"15:02","end":"16:31","startHours":15.027071274494595,"endHours":16.509477396768713,"quality":"auspicious"},{"name":"Amṛta","start":"16:31","end":"18:00","startHours":16.509477396768713,"endHours":17.99188351904283,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:00","end":"19:31","startHours":17.99188351904283,"endHours":19.509477396768713,"quality":"neutral"},{"name":"Labha","start":"19:31","end":"21:02","startHours":19.509477396768713,"endHours":21.027071274494595,"quality":"auspicious"},{"name":"Amṛta","start":"21:02","end":"22:33","startHours":21.027071274494595,"endHours":22.544665152220478,"quality":"auspicious"},{"name":"Kāla","start":"22:33","end":"00:04","startHours":22.544665152220478,"endHours":24.06225902994636,"quality":"inauspicious"},{"name":"Śubha","start":"00:04","end":"01:35","startHours":24.06225902994636,"endHours":25.579852907672244,"quality":"auspicious"},{"name":"Roga","start":"01:35","end":"03:06","startHours":25.579852907672244,"endHours":27.097446785398127,"quality":"inauspicious"},{"name":"Udveg","start":"03:06","end":"04:37","startHours":27.097446785398127,"endHours":28.615040663124006,"quality":"inauspicious"},{"name":"Chala","start":"04:37","end":"06:08","startHours":28.615040663124006,"endHours":30.132634540849892,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:08","end":"07:08","startHours":6.132634540849891,"endHours":7.132634540849891,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:08","end":"08:08","startHours":7.132634540849891,"endHours":8.13263454084989,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:08","end":"09:08","startHours":8.13263454084989,"endHours":9.13263454084989,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:08","end":"10:08","startHours":9.13263454084989,"endHours":10.13263454084989,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:08","end":"11:08","startHours":10.13263454084989,"endHours":11.13263454084989,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:08","end":"12:08","startHours":11.13263454084989,"endHours":12.13263454084989,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:08","end":"13:08","startHours":12.13263454084989,"endHours":13.13263454084989,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:08","end":"14:08","startHours":13.13263454084989,"endHours":14.13263454084989,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:08","end":"15:08","startHours":14.13263454084989,"endHours":15.13263454084989,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:08","end":"16:08","startHours":15.13263454084989,"endHours":16.132634540849892,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:08","end":"17:08","startHours":16.132634540849892,"endHours":17.132634540849892,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:08","end":"18:08","startHours":17.132634540849892,"endHours":18.132634540849892,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:08","end":"19:08","startHours":18.132634540849892,"endHours":19.132634540849892,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:08","end":"20:08","startHours":19.132634540849892,"endHours":20.132634540849892,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:08","end":"21:08","startHours":20.132634540849892,"endHours":21.132634540849892,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:08","end":"22:08","startHours":21.132634540849892,"endHours":22.132634540849892,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:08","end":"23:08","startHours":22.132634540849892,"endHours":23.132634540849892,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:08","end":"00:08","startHours":23.132634540849892,"endHours":24.132634540849892,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:08","end":"01:08","startHours":24.132634540849892,"endHours":25.132634540849892,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:08","end":"02:08","startHours":25.132634540849892,"endHours":26.132634540849892,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:08","end":"03:08","startHours":26.132634540849892,"endHours":27.132634540849892,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:08","end":"04:08","startHours":27.132634540849892,"endHours":28.132634540849892,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:08","end":"05:08","startHours":28.132634540849892,"endHours":29.132634540849892,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:08","end":"06:08","startHours":29.132634540849892,"endHours":30.132634540849892,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"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":"North-East","anandadiYoga":{"name":"Dhvaja","quality":"Auspicious"},"drikRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-9.470206921027907,"eotMinutes":15.395658203218455,"ayanamsa":24.2413}},"calendars":{"vikram_samvat":2084,"vikram_samvatsara":"Raudra","saka_samvat":1949,"saka_samvatsara":"Plavaṅga","bengali_samvat":1434,"malayalam_era":1203,"nanakshahi_year":558,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Kṛṣṇa Pakṣa","solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Kṛṣṇa Tṛtīyā · Vikram 2084 Raudra · Śaka 1949 Plavaṅga"},"festivals":[{"id":"tula-sankranti","name":"Tulā Saṅkrānti","name_sanskrit":"तुला सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Libra.","vrata":false,"detection":{"sun_rashi":"Tulā"},"precedence":5}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","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 October 18, 2027 CE · Erode, Tamil Nadu · Vidhyamitra","description":"October 18, 2027 CE for Erode, Tamil Nadu: Kṛṣṇa Tṛtīyā, sūryodaya 06:08, sūryāsta 18:00.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2027-10-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2027-10-18","sa":"https://sa.vidhyamitra.com/city/erode/2027-10-18","hi":"https://hi.vidhyamitra.com/city/erode/2027-10-18","x-default":"https://vidhyamitra.com/city/erode/2027-10-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T01:15:42.025Z","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":"2026-05-15T01:15:42.025Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T01:15:42.025Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}