{"id":"vidhyamitra:city-day:erode:1985-10-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1985-10-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1985-10-12","date_display":"October 12, 1985 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":1985,"month":10,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446350.770833,"kali_year":5087,"ahargana":1857885.2708,"sun":{"sidereal_longitude":174.3041,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":145.2089,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":330.9048,"elapsed_within_tithi_degrees":6.9048},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":145.2089,"elapsed_within_degrees":11.8756},"yoga":{"number":24,"name":"Śukla","sum_longitude":319.513},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"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":1985,"month":10,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446350.770833,"ahargana":1857885.2708,"kali_year":5087,"ayanamsa_lahiri":23.6543,"grahas":{"sun":{"sidereal_longitude":175.00856799999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":145.212468,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false,"latitude":3.6889},"mars":{"sidereal_longitude":146.731268,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":188.40466800000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":284.438668,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"venus":{"sidereal_longitude":151.02536799999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":211.916068,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":20.2976,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":200.2976,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","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":1985,"month":10,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446350.770833,"kali_year":5087,"ahargana":1857885.2708,"sun":{"sidereal_longitude":174.3041,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":145.2089,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":330.9048,"elapsed_within_tithi_degrees":6.9048},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":145.2089,"elapsed_within_degrees":11.8756},"yoga":{"number":24,"name":"Śukla","sum_longitude":319.513},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.689,"elongation":29.095},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.689,"opposition_distance":150.905}},"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":"06:07","sunsetLocal":"18:02","solarNoonLocal":"12:05","dayLengthHours":11.91759405905635,"dayLengthDisplay":"11 Hours 55 Mins 03 Secs","nightLengthDisplay":"12 Hours 04 Mins 57 Secs","moonriseLocal":"04:00","moonsetLocal":"16:12","rahuKala":{"name":"Rāhu Kāla","start":"09:06","end":"10:36","startHours":9.102463703749578,"endHours":10.592162961131622,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:34","end":"15:04","startHours":13.57156147589571,"endHours":15.061260733277754,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:07","end":"07:37","startHours":6.123065188985491,"endHours":7.612764446367534,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:54","end":"09:18","startHours":8.90383713609864,"endHours":9.301090271400518,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:37","end":"06:56","startHours":6.619631608112838,"endHours":6.937434116354341,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:41","end":"12:29","startHours":11.684609083211788,"endHours":12.479115353815546,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:32","end":"05:20","startHours":4.534052647777978,"endHours":5.328558918381734,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:08","end":"06:07","startHours":5.129932350730795,"endHours":6.123065188985491,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:04","end":"14:52","startHours":14.068127895023057,"endHours":14.862634165626813,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:50","end":"18:14","startHours":17.840659248041842,"endHours":18.24065924804184,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:02","end":"18:32","startHours":18.04065924804184,"endHours":18.53722566716919,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:47","end":"19:32","startHours":17.79065924804184,"endHours":19.54065924804184,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:41","end":"00:29","startHours":23.68460908321179,"endHours":24.479115353815544,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:07","end":"07:37","startHours":6.123065188985491,"endHours":7.612764446367534,"quality":"inauspicious"},{"name":"Śubha","start":"07:37","end":"09:06","startHours":7.612764446367534,"endHours":9.102463703749578,"quality":"auspicious"},{"name":"Roga","start":"09:06","end":"10:36","startHours":9.102463703749578,"endHours":10.592162961131622,"quality":"inauspicious"},{"name":"Udveg","start":"10:36","end":"12:05","startHours":10.592162961131622,"endHours":12.081862218513667,"quality":"inauspicious"},{"name":"Chala","start":"12:05","end":"13:34","startHours":12.081862218513667,"endHours":13.57156147589571,"quality":"neutral"},{"name":"Labha","start":"13:34","end":"15:04","startHours":13.57156147589571,"endHours":15.061260733277754,"quality":"auspicious"},{"name":"Amṛta","start":"15:04","end":"16:33","startHours":15.061260733277754,"endHours":16.5509599906598,"quality":"auspicious"},{"name":"Kāla","start":"16:33","end":"18:02","startHours":16.5509599906598,"endHours":18.04065924804184,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:02","end":"19:33","startHours":18.04065924804184,"endHours":19.5509599906598,"quality":"auspicious"},{"name":"Amṛta","start":"19:33","end":"21:04","startHours":19.5509599906598,"endHours":21.061260733277752,"quality":"auspicious"},{"name":"Kāla","start":"21:04","end":"22:34","startHours":21.061260733277752,"endHours":22.57156147589571,"quality":"inauspicious"},{"name":"Śubha","start":"22:34","end":"00:05","startHours":22.57156147589571,"endHours":24.081862218513667,"quality":"auspicious"},{"name":"Roga","start":"00:05","end":"01:36","startHours":24.081862218513667,"endHours":25.59216296113162,"quality":"inauspicious"},{"name":"Udveg","start":"01:36","end":"03:06","startHours":25.59216296113162,"endHours":27.102463703749578,"quality":"inauspicious"},{"name":"Chala","start":"03:06","end":"04:37","startHours":27.102463703749578,"endHours":28.612764446367535,"quality":"neutral"},{"name":"Labha","start":"04:37","end":"06:07","startHours":28.612764446367535,"endHours":30.123065188985493,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:07","end":"07:07","startHours":6.123065188985491,"endHours":7.123065188985491,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:07","end":"08:07","startHours":7.123065188985491,"endHours":8.12306518898549,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:07","end":"09:07","startHours":8.12306518898549,"endHours":9.12306518898549,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:07","end":"10:07","startHours":9.12306518898549,"endHours":10.12306518898549,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:07","end":"11:07","startHours":10.12306518898549,"endHours":11.12306518898549,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:07","end":"12:07","startHours":11.12306518898549,"endHours":12.12306518898549,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:07","end":"13:07","startHours":12.12306518898549,"endHours":13.12306518898549,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:07","end":"14:07","startHours":13.12306518898549,"endHours":14.12306518898549,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:07","end":"15:07","startHours":14.12306518898549,"endHours":15.12306518898549,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:07","end":"16:07","startHours":15.12306518898549,"endHours":16.123065188985493,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:07","end":"17:07","startHours":16.123065188985493,"endHours":17.123065188985493,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:07","end":"18:07","startHours":17.123065188985493,"endHours":18.123065188985493,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:07","end":"19:07","startHours":18.123065188985493,"endHours":19.123065188985493,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:07","end":"20:07","startHours":19.123065188985493,"endHours":20.123065188985493,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:07","end":"21:07","startHours":20.123065188985493,"endHours":21.123065188985493,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:07","end":"22:07","startHours":21.123065188985493,"endHours":22.123065188985493,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:07","end":"23:07","startHours":22.123065188985493,"endHours":23.123065188985493,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:07","end":"00:07","startHours":23.123065188985493,"endHours":24.123065188985493,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:07","end":"01:07","startHours":24.123065188985493,"endHours":25.123065188985493,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:07","end":"02:07","startHours":25.123065188985493,"endHours":26.123065188985493,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:07","end":"03:07","startHours":26.123065188985493,"endHours":27.123065188985493,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:07","end":"04:07","startHours":27.123065188985493,"endHours":28.123065188985493,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:07","end":"05:07","startHours":28.123065188985493,"endHours":29.123065188985493,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:07","end":"06:07","startHours":29.123065188985493,"endHours":30.123065188985493,"planetary_lord":"Mercury"}],"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":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"East","anandadiYoga":{"name":"Dhvaja","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":-7.312096223376919,"eotMinutes":14.219466889179907,"ayanamsa":23.6543}},"calendars":{"vikram_samvat":2042,"vikram_samvatsara":"Bahudhānya","saka_samvat":1907,"saka_samvatsara":"Krodhana","bengali_samvat":1392,"malayalam_era":1161,"nanakshahi_year":516,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Trayodaśī · Vikram 2042 Bahudhānya · Śaka 1907 Krodhana"},"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},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 12, 1985 CE · Erode, Tamil Nadu · Vidhyamitra","description":"October 12, 1985 CE for Erode, Tamil Nadu: Kṛṣṇa Trayodaśī, sūryodaya 06:07, sūryāsta 18:02.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1985-10-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1985-10-12","sa":"https://sa.vidhyamitra.com/city/erode/1985-10-12","hi":"https://hi.vidhyamitra.com/city/erode/1985-10-12","x-default":"https://vidhyamitra.com/city/erode/1985-10-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T06:18:39.622Z","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":"2026-05-18T06:18:39.622Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T06:18:39.622Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}