{"id":"vidhyamitra:city-day:erode:2031-12-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2031-12-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2031-12-23","date_display":"December 23, 2031 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":2031,"month":12,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2463223.770833,"kali_year":5133,"ahargana":1874758.2708,"sun":{"sidereal_longitude":246.2879,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":359.1094,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":112.8214,"elapsed_within_tithi_degrees":4.8214},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":359.1094,"elapsed_within_degrees":12.4427},"yoga":{"number":19,"name":"Parigha","sum_longitude":245.3973},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2031,"month":12,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2463223.770833,"ahargana":1874758.2708,"kali_year":5133,"ayanamsa_lahiri":24.2997,"grahas":{"sun":{"sidereal_longitude":246.68499500000007,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"moon":{"sidereal_longitude":1.7539949999999749,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false,"latitude":2.0536},"mars":{"sidereal_longitude":300.16639499999997,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":225.26509499999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":253.90799500000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":207.54279500000007,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":54.10869500000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":206.2848,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":26.2848,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","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":2031,"month":12,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2463223.770833,"kali_year":5133,"ahargana":1874758.2708,"sun":{"sidereal_longitude":246.2879,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":359.1094,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":112.8214,"elapsed_within_tithi_degrees":4.8214},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":359.1094,"elapsed_within_degrees":12.4427},"yoga":{"number":19,"name":"Parigha","sum_longitude":245.3973},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.054,"elongation":112.821},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.054,"opposition_distance":67.179}},"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":"06:35","sunsetLocal":"18:02","solarNoonLocal":"12:19","dayLengthHours":11.458921027595668,"dayLengthDisplay":"11 Hours 27 Mins 32 Secs","nightLengthDisplay":"12 Hours 32 Mins 28 Secs","moonriseLocal":"13:48","moonsetLocal":"02:10","rahuKala":{"name":"Rāhu Kāla","start":"15:11","end":"16:37","startHours":15.176192062037131,"endHours":16.60855719048659,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:27","end":"10:53","startHours":9.446731548239297,"endHours":10.879096676688757,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:19","end":"13:45","startHours":12.311461805138215,"endHours":13.743826933587673,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:15","end":"09:38","startHours":9.255749531112702,"endHours":9.637713565365893,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:04","end":"07:22","startHours":7.059456334156867,"endHours":7.365027561559418,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:42","startHours":11.929497770885025,"endHours":12.693425839391402,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:03","end":"05:49","startHours":5.054145154327625,"endHours":5.818073222834002,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:38","end":"06:35","startHours":5.627091205707408,"endHours":6.58200129134038,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:13","end":"14:59","startHours":14.221281976404159,"endHours":14.985210044910536,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:50","end":"18:14","startHours":17.840922318936048,"endHours":18.240922318936047,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:02","end":"18:31","startHours":18.040922318936047,"endHours":18.518377361752535,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:47","end":"19:32","startHours":17.790922318936047,"endHours":19.540922318936047,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:42","startHours":23.929497770885025,"endHours":24.693425839391406,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:35","end":"08:01","startHours":6.58200129134038,"endHours":8.01436641978984,"quality":"inauspicious"},{"name":"Udveg","start":"08:01","end":"09:27","startHours":8.01436641978984,"endHours":9.446731548239297,"quality":"inauspicious"},{"name":"Chala","start":"09:27","end":"10:53","startHours":9.446731548239297,"endHours":10.879096676688757,"quality":"neutral"},{"name":"Labha","start":"10:53","end":"12:19","startHours":10.879096676688757,"endHours":12.311461805138215,"quality":"auspicious"},{"name":"Amṛta","start":"12:19","end":"13:45","startHours":12.311461805138215,"endHours":13.743826933587673,"quality":"auspicious"},{"name":"Kāla","start":"13:45","end":"15:11","startHours":13.743826933587673,"endHours":15.176192062037131,"quality":"inauspicious"},{"name":"Śubha","start":"15:11","end":"16:37","startHours":15.176192062037131,"endHours":16.60855719048659,"quality":"auspicious"},{"name":"Roga","start":"16:37","end":"18:02","startHours":16.60855719048659,"endHours":18.040922318936047,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:02","end":"19:37","startHours":18.040922318936047,"endHours":19.60855719048659,"quality":"inauspicious"},{"name":"Śubha","start":"19:37","end":"21:11","startHours":19.60855719048659,"endHours":21.17619206203713,"quality":"auspicious"},{"name":"Roga","start":"21:11","end":"22:45","startHours":21.17619206203713,"endHours":22.74382693358767,"quality":"inauspicious"},{"name":"Udveg","start":"22:45","end":"00:19","startHours":22.74382693358767,"endHours":24.311461805138215,"quality":"inauspicious"},{"name":"Chala","start":"00:19","end":"01:53","startHours":24.311461805138215,"endHours":25.879096676688754,"quality":"neutral"},{"name":"Labha","start":"01:53","end":"03:27","startHours":25.879096676688754,"endHours":27.446731548239296,"quality":"auspicious"},{"name":"Amṛta","start":"03:27","end":"05:01","startHours":27.446731548239296,"endHours":29.014366419789837,"quality":"auspicious"},{"name":"Kāla","start":"05:01","end":"06:35","startHours":29.014366419789837,"endHours":30.58200129134038,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:35","end":"07:35","startHours":6.58200129134038,"endHours":7.58200129134038,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:35","end":"08:35","startHours":7.58200129134038,"endHours":8.58200129134038,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:35","end":"09:35","startHours":8.58200129134038,"endHours":9.58200129134038,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:35","end":"10:35","startHours":9.58200129134038,"endHours":10.58200129134038,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:35","end":"11:35","startHours":10.58200129134038,"endHours":11.58200129134038,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:35","end":"12:35","startHours":11.58200129134038,"endHours":12.58200129134038,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:35","end":"13:35","startHours":12.58200129134038,"endHours":13.58200129134038,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:35","end":"14:35","startHours":13.58200129134038,"endHours":14.58200129134038,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:35","end":"15:35","startHours":14.58200129134038,"endHours":15.58200129134038,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:35","end":"16:35","startHours":15.58200129134038,"endHours":16.58200129134038,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:35","end":"17:35","startHours":16.58200129134038,"endHours":17.58200129134038,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:35","end":"18:35","startHours":17.58200129134038,"endHours":18.58200129134038,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:35","end":"19:35","startHours":18.58200129134038,"endHours":19.58200129134038,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:35","end":"20:35","startHours":19.58200129134038,"endHours":20.58200129134038,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:35","end":"21:35","startHours":20.58200129134038,"endHours":21.58200129134038,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:35","end":"22:35","startHours":21.58200129134038,"endHours":22.58200129134038,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:35","end":"23:35","startHours":22.58200129134038,"endHours":23.58200129134038,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:35","end":"00:35","startHours":23.58200129134038,"endHours":24.58200129134038,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:35","end":"01:35","startHours":24.58200129134038,"endHours":25.58200129134038,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:35","end":"02:35","startHours":25.58200129134038,"endHours":26.58200129134038,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:35","end":"03:35","startHours":26.58200129134038,"endHours":27.58200129134038,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:35","end":"04:35","startHours":27.58200129134038,"endHours":28.58200129134038,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:35","end":"05:35","startHours":28.58200129134038,"endHours":29.58200129134038,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:35","end":"06:35","startHours":29.58200129134038,"endHours":30.58200129134038,"planetary_lord":"Saturn"}],"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","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"North","anandadiYoga":{"name":"Dhvaja","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-23.43283209223753,"eotMinutes":0.4434916917071845,"ayanamsa":24.2997}},"calendars":{"vikram_samvat":2088,"vikram_samvatsara":"Raktākṣī","saka_samvat":1953,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1438,"malayalam_era":1207,"nanakshahi_year":562,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Daśamī · Vikram 2088 Raktākṣī · Śaka 1953 Virodhakṛt"},"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":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 December 23, 2031 CE · Erode, Tamil Nadu · Vidhyamitra","description":"December 23, 2031 CE for Erode, Tamil Nadu: Śukla Daśamī, sūryodaya 06:35, sūryāsta 18:02.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2031-12-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2031-12-23","sa":"https://sa.vidhyamitra.com/city/erode/2031-12-23","hi":"https://hi.vidhyamitra.com/city/erode/2031-12-23","x-default":"https://vidhyamitra.com/city/erode/2031-12-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T16:56:34.186Z","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":"2026-05-15T16:56:34.186Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T16:56:34.186Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}