{"id":"vidhyamitra:city-day:erode:2186-12-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2186-12-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2186-12-09","date_display":"December 9, 2186 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":2186,"month":12,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2519822.770833,"kali_year":5288,"ahargana":1931357.2708,"sun":{"sidereal_longitude":229.7686,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":208.7699,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":339.0012,"elapsed_within_tithi_degrees":3.0012},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":208.7699,"elapsed_within_degrees":8.7699},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":78.5385},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"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":2186,"month":12,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2519822.770833,"ahargana":1931357.2708,"kali_year":5288,"ayanamsa_lahiri":26.4644,"grahas":{"sun":{"sidereal_longitude":230.67279800000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":209.16359799999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false,"latitude":3.841},"mars":{"sidereal_longitude":148.046198,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":239.43859799999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":269.225198,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":182.69049800000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":161.610998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":87.3974,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":267.3974,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":2186,"month":12,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2519822.770833,"kali_year":5288,"ahargana":1931357.2708,"sun":{"sidereal_longitude":229.7686,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":208.7699,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":339.0012,"elapsed_within_tithi_degrees":3.0012},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":208.7699,"elapsed_within_degrees":8.7699},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":78.5385},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.841,"elongation":20.999},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.841,"opposition_distance":159.001}},"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":"06:28","sunsetLocal":"17:57","solarNoonLocal":"12:12","dayLengthHours":11.477944858177878,"dayLengthDisplay":"11 Hours 28 Mins 41 Secs","nightLengthDisplay":"12 Hours 31 Mins 19 Secs","moonriseLocal":"05:00","moonsetLocal":"16:33","rahuKala":{"name":"Rāhu Kāla","start":"09:20","end":"10:46","startHours":9.334919411318843,"endHours":10.769662518591076,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:38","end":"15:04","startHours":13.639148733135546,"endHours":15.073891840407782,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:28","end":"07:54","startHours":6.465433196774373,"endHours":7.9001763040466075,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:09","end":"09:32","startHours":9.143620330349211,"endHours":9.526218492288473,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:57","end":"07:15","startHours":6.943680899198451,"endHours":7.2497594287498615,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:35","startHours":11.821807463924051,"endHours":12.587003787802574,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:56","end":"05:42","startHours":4.935040549017322,"endHours":5.7002368728958475,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:31","end":"06:28","startHours":5.508937791926217,"endHours":6.465433196774373,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:07","end":"14:53","startHours":14.117396435559625,"endHours":14.88259275943815,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:45","end":"18:09","startHours":17.743378054952252,"endHours":18.14337805495225,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:57","end":"18:25","startHours":17.94337805495225,"endHours":18.42162575737633,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:42","end":"19:27","startHours":17.69337805495225,"endHours":19.44337805495225,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:35","startHours":23.82180746392405,"endHours":24.587003787802576,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:28","end":"07:54","startHours":6.465433196774373,"endHours":7.9001763040466075,"quality":"inauspicious"},{"name":"Śubha","start":"07:54","end":"09:20","startHours":7.9001763040466075,"endHours":9.334919411318843,"quality":"auspicious"},{"name":"Roga","start":"09:20","end":"10:46","startHours":9.334919411318843,"endHours":10.769662518591076,"quality":"inauspicious"},{"name":"Udveg","start":"10:46","end":"12:12","startHours":10.769662518591076,"endHours":12.204405625863313,"quality":"inauspicious"},{"name":"Chala","start":"12:12","end":"13:38","startHours":12.204405625863313,"endHours":13.639148733135546,"quality":"neutral"},{"name":"Labha","start":"13:38","end":"15:04","startHours":13.639148733135546,"endHours":15.073891840407782,"quality":"auspicious"},{"name":"Amṛta","start":"15:04","end":"16:31","startHours":15.073891840407782,"endHours":16.508634947680015,"quality":"auspicious"},{"name":"Kāla","start":"16:31","end":"17:57","startHours":16.508634947680015,"endHours":17.94337805495225,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:57","end":"19:31","startHours":17.94337805495225,"endHours":19.508634947680015,"quality":"auspicious"},{"name":"Amṛta","start":"19:31","end":"21:04","startHours":19.508634947680015,"endHours":21.073891840407782,"quality":"auspicious"},{"name":"Kāla","start":"21:04","end":"22:38","startHours":21.073891840407782,"endHours":22.63914873313555,"quality":"inauspicious"},{"name":"Śubha","start":"22:38","end":"00:12","startHours":22.63914873313555,"endHours":24.204405625863313,"quality":"auspicious"},{"name":"Roga","start":"00:12","end":"01:46","startHours":24.204405625863313,"endHours":25.769662518591076,"quality":"inauspicious"},{"name":"Udveg","start":"01:46","end":"03:20","startHours":25.769662518591076,"endHours":27.334919411318843,"quality":"inauspicious"},{"name":"Chala","start":"03:20","end":"04:54","startHours":27.334919411318843,"endHours":28.90017630404661,"quality":"neutral"},{"name":"Labha","start":"04:54","end":"06:28","startHours":28.90017630404661,"endHours":30.465433196774374,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:28","end":"07:28","startHours":6.465433196774373,"endHours":7.465433196774373,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:28","end":"08:28","startHours":7.465433196774373,"endHours":8.465433196774374,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:28","end":"09:28","startHours":8.465433196774374,"endHours":9.465433196774374,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:28","end":"10:28","startHours":9.465433196774374,"endHours":10.465433196774374,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:28","end":"11:28","startHours":10.465433196774374,"endHours":11.465433196774374,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:28","end":"12:28","startHours":11.465433196774374,"endHours":12.465433196774374,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:28","end":"13:28","startHours":12.465433196774374,"endHours":13.465433196774374,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:28","end":"14:28","startHours":13.465433196774374,"endHours":14.465433196774374,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:28","end":"15:28","startHours":14.465433196774374,"endHours":15.465433196774374,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:28","end":"16:28","startHours":15.465433196774374,"endHours":16.465433196774374,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:28","end":"17:28","startHours":16.465433196774374,"endHours":17.465433196774374,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:28","end":"18:28","startHours":17.465433196774374,"endHours":18.465433196774374,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:28","end":"19:28","startHours":18.465433196774374,"endHours":19.465433196774374,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:28","end":"20:28","startHours":19.465433196774374,"endHours":20.465433196774374,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:28","end":"21:28","startHours":20.465433196774374,"endHours":21.465433196774374,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:28","end":"22:28","startHours":21.465433196774374,"endHours":22.465433196774374,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:28","end":"23:28","startHours":22.465433196774374,"endHours":23.465433196774374,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:28","end":"00:28","startHours":23.465433196774374,"endHours":24.465433196774374,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:28","end":"01:28","startHours":24.465433196774374,"endHours":25.465433196774374,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:28","end":"02:28","startHours":25.465433196774374,"endHours":26.465433196774374,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:28","end":"03:28","startHours":26.465433196774374,"endHours":27.465433196774374,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:28","end":"04:28","startHours":27.465433196774374,"endHours":28.465433196774374,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:28","end":"05:28","startHours":28.465433196774374,"endHours":29.465433196774374,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:28","end":"06:28","startHours":29.465433196774374,"endHours":30.465433196774374,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"North","rahuVasa":"East","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.814677900083804,"eotMinutes":6.866862448201248,"ayanamsa":26.4644}},"calendars":{"vikram_samvat":2243,"vikram_samvatsara":"Vikāri","saka_samvat":2108,"saka_samvatsara":"Vyaya","bengali_samvat":1593,"malayalam_era":1362,"nanakshahi_year":717,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Kārtika","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Kṛṣṇa Caturdaśī · Vikram 2243 Vikāri · Śaka 2108 Vyaya"},"festivals":[{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","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 December 9, 2186 CE · Erode, Tamil Nadu · Vidhyamitra","description":"December 9, 2186 CE for Erode, Tamil Nadu: Kṛṣṇa Caturdaśī, sūryodaya 06:28, sūryāsta 17:57.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2186-12-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2186-12-09","sa":"https://sa.vidhyamitra.com/city/erode/2186-12-09","hi":"https://hi.vidhyamitra.com/city/erode/2186-12-09","x-default":"https://vidhyamitra.com/city/erode/2186-12-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T03:55:32.501Z","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":"2026-05-31T03:55:32.501Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T03:55:32.501Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}