{"id":"vidhyamitra:city-day:erode:2131-12-19:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2131-12-19","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2131-12-19","date_display":"December 19, 2131 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":2131,"month":12,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2499743.770833,"kali_year":5233,"ahargana":1911278.2708,"sun":{"sidereal_longitude":240.2545,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":232.8889,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":352.6344,"elapsed_within_tithi_degrees":4.6344},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2,"moon_longitude":232.8889,"elapsed_within_degrees":6.2223},"yoga":{"number":9,"name":"Śūla","sum_longitude":113.1435},"karana":{"half_tithi_index":58,"name":"Catuṣpāda"},"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":2131,"month":12,"day":19,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2499743.770833,"ahargana":1911278.2708,"kali_year":5233,"ayanamsa_lahiri":25.6964,"grahas":{"sun":{"sidereal_longitude":240.94026299999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"moon":{"sidereal_longitude":233.71566299999995,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false,"latitude":1.4184},"mars":{"sidereal_longitude":6.797563000000025,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":228.152563,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":58.37876299999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":277.862563,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":205.86156299999993,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":71.2795,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":251.2795,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":2131,"month":12,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2499743.770833,"kali_year":5233,"ahargana":1911278.2708,"sun":{"sidereal_longitude":240.2545,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":232.8889,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":352.6344,"elapsed_within_tithi_degrees":4.6344},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2,"moon_longitude":232.8889,"elapsed_within_degrees":6.2223},"yoga":{"number":9,"name":"Śūla","sum_longitude":113.1435},"karana":{"half_tithi_index":58,"name":"Catuṣpāda"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.418,"elongation":7.366},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.418,"opposition_distance":172.634}},"eclipse_window_40days":[{"offset_days":15,"type":"lunar","occurs":true,"moon_latitude":0.546,"opposition_distance":1.791}]},"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":"06:33","sunsetLocal":"18:01","solarNoonLocal":"12:17","dayLengthHours":11.460129414497478,"dayLengthDisplay":"11 Hours 27 Mins 36 Secs","nightLengthDisplay":"12 Hours 32 Mins 24 Secs","moonriseLocal":"06:05","moonsetLocal":"17:31","rahuKala":{"name":"Rāhu Kāla","start":"12:17","end":"13:43","startHours":12.28017949393119,"endHours":13.712695670743376,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:59","end":"09:25","startHours":7.982630963494636,"endHours":9.415147140306821,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:51","end":"12:17","startHours":10.847663317119006,"endHours":12.28017949393119,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:13","end":"09:36","startHours":9.22414498339853,"endHours":9.606149297215111,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:02","end":"07:20","startHours":7.02762017895318,"endHours":7.333223630006446,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:40","startHours":11.898175180114608,"endHours":12.662183807747772,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:01","end":"05:47","startHours":5.0220975314161205,"endHours":5.786106159049286,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:36","end":"06:33","startHours":5.595104002140995,"endHours":6.550114786682451,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:11","end":"14:57","startHours":14.190201063014104,"endHours":14.95420969064727,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:49","end":"18:13","startHours":17.81024420117993,"endHours":18.21024420117993,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:01","end":"18:29","startHours":18.01024420117993,"endHours":18.48774959345066,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:46","end":"19:31","startHours":17.76024420117993,"endHours":19.51024420117993,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:40","startHours":23.898175180114606,"endHours":24.662183807747773,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:33","end":"07:59","startHours":6.550114786682451,"endHours":7.982630963494636,"quality":"auspicious"},{"name":"Amṛta","start":"07:59","end":"09:25","startHours":7.982630963494636,"endHours":9.415147140306821,"quality":"auspicious"},{"name":"Kāla","start":"09:25","end":"10:51","startHours":9.415147140306821,"endHours":10.847663317119006,"quality":"inauspicious"},{"name":"Śubha","start":"10:51","end":"12:17","startHours":10.847663317119006,"endHours":12.28017949393119,"quality":"auspicious"},{"name":"Roga","start":"12:17","end":"13:43","startHours":12.28017949393119,"endHours":13.712695670743376,"quality":"inauspicious"},{"name":"Udveg","start":"13:43","end":"15:09","startHours":13.712695670743376,"endHours":15.14521184755556,"quality":"inauspicious"},{"name":"Chala","start":"15:09","end":"16:35","startHours":15.14521184755556,"endHours":16.577728024367744,"quality":"neutral"},{"name":"Labha","start":"16:35","end":"18:01","startHours":16.577728024367744,"endHours":18.01024420117993,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:01","end":"19:35","startHours":18.01024420117993,"endHours":19.577728024367744,"quality":"inauspicious"},{"name":"Chala","start":"19:35","end":"21:09","startHours":19.577728024367744,"endHours":21.14521184755556,"quality":"neutral"},{"name":"Labha","start":"21:09","end":"22:43","startHours":21.14521184755556,"endHours":22.712695670743376,"quality":"auspicious"},{"name":"Amṛta","start":"22:43","end":"00:17","startHours":22.712695670743376,"endHours":24.28017949393119,"quality":"auspicious"},{"name":"Kāla","start":"00:17","end":"01:51","startHours":24.28017949393119,"endHours":25.847663317119007,"quality":"inauspicious"},{"name":"Śubha","start":"01:51","end":"03:25","startHours":25.847663317119007,"endHours":27.41514714030682,"quality":"auspicious"},{"name":"Roga","start":"03:25","end":"04:59","startHours":27.41514714030682,"endHours":28.982630963494636,"quality":"inauspicious"},{"name":"Udveg","start":"04:59","end":"06:33","startHours":28.982630963494636,"endHours":30.55011478668245,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:33","end":"07:33","startHours":6.550114786682451,"endHours":7.550114786682451,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:33","end":"08:33","startHours":7.550114786682451,"endHours":8.550114786682451,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:33","end":"09:33","startHours":8.550114786682451,"endHours":9.550114786682451,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:33","end":"10:33","startHours":9.550114786682451,"endHours":10.550114786682451,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:33","end":"11:33","startHours":10.550114786682451,"endHours":11.550114786682451,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:33","end":"12:33","startHours":11.550114786682451,"endHours":12.550114786682451,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:33","end":"13:33","startHours":12.550114786682451,"endHours":13.550114786682451,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:33","end":"14:33","startHours":13.550114786682451,"endHours":14.550114786682451,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:33","end":"15:33","startHours":14.550114786682451,"endHours":15.550114786682451,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:33","end":"16:33","startHours":15.550114786682451,"endHours":16.55011478668245,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:33","end":"17:33","startHours":16.55011478668245,"endHours":17.55011478668245,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:33","end":"18:33","startHours":17.55011478668245,"endHours":18.55011478668245,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:33","end":"19:33","startHours":18.55011478668245,"endHours":19.55011478668245,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:33","end":"20:33","startHours":19.55011478668245,"endHours":20.55011478668245,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:33","end":"21:33","startHours":20.55011478668245,"endHours":21.55011478668245,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:33","end":"22:33","startHours":21.55011478668245,"endHours":22.55011478668245,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:33","end":"23:33","startHours":22.55011478668245,"endHours":23.55011478668245,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:33","end":"00:33","startHours":23.55011478668245,"endHours":24.55011478668245,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:33","end":"01:33","startHours":24.55011478668245,"endHours":25.55011478668245,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:33","end":"02:33","startHours":25.55011478668245,"endHours":26.55011478668245,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:33","end":"03:33","startHours":26.55011478668245,"endHours":27.55011478668245,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:33","end":"04:33","startHours":27.55011478668245,"endHours":28.55011478668245,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:33","end":"05:33","startHours":28.55011478668245,"endHours":29.55011478668245,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:33","end":"06:33","startHours":29.55011478668245,"endHours":30.55011478668245,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"North-East","rahuVasa":"South-West","anandadiYoga":{"name":"Kāladaṇḍa","quality":"Inauspicious"},"drikRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-23.393726234398894,"eotMinutes":2.3204303641286352,"ayanamsa":25.6964}},"calendars":{"vikram_samvat":2188,"vikram_samvatsara":"Krodhi","saka_samvat":2053,"saka_samvatsara":"Khara","bengali_samvat":1538,"malayalam_era":1307,"nanakshahi_year":662,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Amāvasyā · Vikram 2188 Krodhi · Śaka 2053 Khara"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":5}],"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":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā + Jyeṣṭhā","url":"/day/-3137-10-20","relevance":1}]},"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 19, 2131 CE · Erode, Tamil Nadu · Vidhyamitra","description":"December 19, 2131 CE for Erode, Tamil Nadu: Kṛṣṇa Amāvasyā, sūryodaya 06:33, sūryāsta 18:01.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2131-12-19","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2131-12-19","sa":"https://sa.vidhyamitra.com/city/erode/2131-12-19","hi":"https://hi.vidhyamitra.com/city/erode/2131-12-19","x-default":"https://vidhyamitra.com/city/erode/2131-12-19"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-23T07:31:09.738Z","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":"2026-05-23T07:31:09.738Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-23T07:31:09.738Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}