{"id":"vidhyamitra:city-day:erode:2090-10-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2090-10-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2090-10-21","date_display":"October 21, 2090 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":2090,"month":10,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484710.770833,"kali_year":5192,"ahargana":1896245.2708,"sun":{"sidereal_longitude":182.0843,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":155.3503,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":333.2659,"elapsed_within_tithi_degrees":9.2659},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3,"moon_longitude":155.3503,"elapsed_within_degrees":8.6836},"yoga":{"number":26,"name":"Indra","sum_longitude":337.4346},"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":2090,"month":10,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2484710.770833,"ahargana":1896245.2708,"kali_year":5192,"ayanamsa_lahiri":25.1215,"grahas":{"sun":{"sidereal_longitude":183.02703399999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":154.27763400000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false,"latitude":0.5907},"mars":{"sidereal_longitude":114.10123399999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":197.092034,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":231.90303399999993,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":158.060334,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":59.415234,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":147.8002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":327.8002,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"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":2090,"month":10,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484710.770833,"kali_year":5192,"ahargana":1896245.2708,"sun":{"sidereal_longitude":182.0843,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":155.3503,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":333.2659,"elapsed_within_tithi_degrees":9.2659},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3,"moon_longitude":155.3503,"elapsed_within_degrees":8.6836},"yoga":{"number":26,"name":"Indra","sum_longitude":337.4346},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.591,"elongation":26.734},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.591,"opposition_distance":153.266}},"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":"06:09","sunsetLocal":"17:58","solarNoonLocal":"12:03","dayLengthHours":11.822616557593769,"dayLengthDisplay":"11 Hours 49 Mins 21 Secs","nightLengthDisplay":"12 Hours 10 Mins 39 Secs","moonriseLocal":"04:06","moonsetLocal":"16:11","rahuKala":{"name":"Rāhu Kāla","start":"09:06","end":"10:35","startHours":9.099375517823146,"endHours":10.577202587522368,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:32","end":"15:01","startHours":13.532856726920809,"endHours":15.01068379662003,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:09","end":"07:37","startHours":6.143721378424704,"endHours":7.621548448123925,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:54","end":"09:18","startHours":8.902331908529916,"endHours":9.296419127116376,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:38","end":"06:57","startHours":6.636330401657778,"endHours":6.951600176526945,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:40","end":"12:27","startHours":11.66094243863513,"endHours":12.449116875808047,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:34","end":"05:21","startHours":4.567372504078868,"endHours":5.355546941251786,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:10","end":"06:09","startHours":5.158503331958557,"endHours":6.143721378424704,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:02","end":"14:49","startHours":14.025465750153884,"endHours":14.813640187326802,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:46","end":"18:10","startHours":17.766337936018473,"endHours":18.166337936018472,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:58","end":"18:28","startHours":17.966337936018473,"endHours":18.458946959251545,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:43","end":"19:28","startHours":17.716337936018473,"endHours":19.466337936018473,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:40","end":"00:27","startHours":23.66094243863513,"endHours":24.44911687580805,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:09","end":"07:37","startHours":6.143721378424704,"endHours":7.621548448123925,"quality":"inauspicious"},{"name":"Śubha","start":"07:37","end":"09:06","startHours":7.621548448123925,"endHours":9.099375517823146,"quality":"auspicious"},{"name":"Roga","start":"09:06","end":"10:35","startHours":9.099375517823146,"endHours":10.577202587522368,"quality":"inauspicious"},{"name":"Udveg","start":"10:35","end":"12:03","startHours":10.577202587522368,"endHours":12.055029657221588,"quality":"inauspicious"},{"name":"Chala","start":"12:03","end":"13:32","startHours":12.055029657221588,"endHours":13.532856726920809,"quality":"neutral"},{"name":"Labha","start":"13:32","end":"15:01","startHours":13.532856726920809,"endHours":15.01068379662003,"quality":"auspicious"},{"name":"Amṛta","start":"15:01","end":"16:29","startHours":15.01068379662003,"endHours":16.488510866319253,"quality":"auspicious"},{"name":"Kāla","start":"16:29","end":"17:58","startHours":16.488510866319253,"endHours":17.966337936018473,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:58","end":"19:29","startHours":17.966337936018473,"endHours":19.488510866319253,"quality":"auspicious"},{"name":"Amṛta","start":"19:29","end":"21:01","startHours":19.488510866319253,"endHours":21.01068379662003,"quality":"auspicious"},{"name":"Kāla","start":"21:01","end":"22:32","startHours":21.01068379662003,"endHours":22.53285672692081,"quality":"inauspicious"},{"name":"Śubha","start":"22:32","end":"00:03","startHours":22.53285672692081,"endHours":24.05502965722159,"quality":"auspicious"},{"name":"Roga","start":"00:03","end":"01:35","startHours":24.05502965722159,"endHours":25.57720258752237,"quality":"inauspicious"},{"name":"Udveg","start":"01:35","end":"03:06","startHours":25.57720258752237,"endHours":27.099375517823148,"quality":"inauspicious"},{"name":"Chala","start":"03:06","end":"04:37","startHours":27.099375517823148,"endHours":28.621548448123924,"quality":"neutral"},{"name":"Labha","start":"04:37","end":"06:09","startHours":28.621548448123924,"endHours":30.143721378424704,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:09","end":"07:09","startHours":6.143721378424704,"endHours":7.143721378424704,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:09","end":"08:09","startHours":7.143721378424704,"endHours":8.143721378424704,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:09","end":"09:09","startHours":8.143721378424704,"endHours":9.143721378424704,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:09","end":"10:09","startHours":9.143721378424704,"endHours":10.143721378424704,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:09","end":"11:09","startHours":10.143721378424704,"endHours":11.143721378424704,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:09","end":"12:09","startHours":11.143721378424704,"endHours":12.143721378424704,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:09","end":"13:09","startHours":12.143721378424704,"endHours":13.143721378424704,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:09","end":"14:09","startHours":13.143721378424704,"endHours":14.143721378424704,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:09","end":"15:09","startHours":14.143721378424704,"endHours":15.143721378424704,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:09","end":"16:09","startHours":15.143721378424704,"endHours":16.143721378424704,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:09","end":"17:09","startHours":16.143721378424704,"endHours":17.143721378424704,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:09","end":"18:09","startHours":17.143721378424704,"endHours":18.143721378424704,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:09","end":"19:09","startHours":18.143721378424704,"endHours":19.143721378424704,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:09","end":"20:09","startHours":19.143721378424704,"endHours":20.143721378424704,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:09","end":"21:09","startHours":20.143721378424704,"endHours":21.143721378424704,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:09","end":"22:09","startHours":21.143721378424704,"endHours":22.143721378424704,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:09","end":"23:09","startHours":22.143721378424704,"endHours":23.143721378424704,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:09","end":"00:09","startHours":23.143721378424704,"endHours":24.143721378424704,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:09","end":"01:09","startHours":24.143721378424704,"endHours":25.143721378424704,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:09","end":"02:09","startHours":25.143721378424704,"endHours":26.143721378424704,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:09","end":"03:09","startHours":26.143721378424704,"endHours":27.143721378424704,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:09","end":"04:09","startHours":27.143721378424704,"endHours":28.143721378424704,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:09","end":"05:09","startHours":28.143721378424704,"endHours":29.143721378424704,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:09","end":"06:09","startHours":29.143721378424704,"endHours":30.143721378424704,"planetary_lord":"Mercury"}],"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":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"East","anandadiYoga":{"name":"Śrīvatsa","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-10.814730210200256,"eotMinutes":15.829420566704727,"ayanamsa":25.1215}},"calendars":{"vikram_samvat":2147,"vikram_samvatsara":"Rudhirodgāri","saka_samvat":2012,"saka_samvatsara":"Sādhāraṇa","bengali_samvat":1497,"malayalam_era":1266,"nanakshahi_year":621,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Kārtika","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Kṛṣṇa Trayodaśī · Vikram 2147 Rudhirodgāri · Śaka 2012 Sādhāraṇa"},"festivals":[{"id":"dhanteras","name":"Dhanteras (Dhanvantari Jayantī)","name_sanskrit":"धनतेरस / धन्वन्तरि जयन्ती","tradition":"Pan-Hindu","associated_deity":"Dhanvantari (Āyurveda-deva, avatāra of Viṣṇu)","significance":"Birth of Dhanvantari from samudra-mathana with amṛta-kalaśa. Day 1 of Diwali.","vrata":true,"detection":{"tithi_number":28,"tithi_paksha":"Kṛṣṇa","lunar_month":"Kārtika"},"precedence":2,"sources":["Bhāgavata 8.8.32-34"]},{"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 21, 2090 CE · Erode, Tamil Nadu · Vidhyamitra","description":"October 21, 2090 CE for Erode, Tamil Nadu: Kṛṣṇa Trayodaśī, sūryodaya 06:09, sūryāsta 17:58.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2090-10-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2090-10-21","sa":"https://sa.vidhyamitra.com/city/erode/2090-10-21","hi":"https://hi.vidhyamitra.com/city/erode/2090-10-21","x-default":"https://vidhyamitra.com/city/erode/2090-10-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T22:33:35.232Z","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":"2026-06-01T22:33:35.232Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T22:33:35.232Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}