{"id":"vidhyamitra:city-day:erode:2054-12-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2054-12-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2054-12-13","date_display":"December 13, 2054 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":2054,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2471614.770833,"kali_year":5156,"ahargana":1883149.2708,"sun":{"sidereal_longitude":236.0738,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":31.3149,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":155.2411,"elapsed_within_tithi_degrees":11.2411},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2,"moon_longitude":31.3149,"elapsed_within_degrees":4.6483},"yoga":{"number":21,"name":"Siddha","sum_longitude":267.3888},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2054,"month":12,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2471614.770833,"ahargana":1883149.2708,"kali_year":5156,"ayanamsa_lahiri":24.6206,"grahas":{"sun":{"sidereal_longitude":236.61239799999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":32.589898000000005,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false,"latitude":-4.4999},"mars":{"sidereal_longitude":62.725998000000004,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":244.72879799999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":233.05639799999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":250.9278979999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":325.408998,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":121.6893,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":301.6893,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":2054,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2471614.770833,"kali_year":5156,"ahargana":1883149.2708,"sun":{"sidereal_longitude":236.0738,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":31.3149,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":155.2411,"elapsed_within_tithi_degrees":11.2411},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2,"moon_longitude":31.3149,"elapsed_within_degrees":4.6483},"yoga":{"number":21,"name":"Siddha","sum_longitude":267.3888},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.5,"elongation":155.241},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.5,"opposition_distance":24.759}},"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":"06:30","sunsetLocal":"17:58","solarNoonLocal":"12:14","dayLengthHours":11.467749569415936,"dayLengthDisplay":"11 Hours 28 Mins 04 Secs","nightLengthDisplay":"12 Hours 31 Mins 56 Secs","moonriseLocal":"16:19","moonsetLocal":"04:57","rahuKala":{"name":"Rāhu Kāla","start":"16:32","end":"17:58","startHours":16.534415251040674,"endHours":17.967883947217665,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:14","end":"13:40","startHours":12.234009162509697,"endHours":13.667477858686688,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:06","end":"16:32","startHours":15.10094655486368,"endHours":16.534415251040674,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:11","end":"09:33","startHours":9.175942610665448,"endHours":9.558200929645977,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:59","end":"07:17","startHours":6.977957276527393,"endHours":7.2837639317118175,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:51","end":"12:37","startHours":11.851750843529166,"endHours":12.616267481490228,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:58","end":"05:44","startHours":4.971101101879604,"endHours":5.7356177398406665,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:33","end":"06:30","startHours":5.544488580350401,"endHours":6.500134377801729,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:55","startHours":14.145300757412352,"endHours":14.909817395373414,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:46","end":"18:10","startHours":17.767883947217666,"endHours":18.167883947217664,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:58","end":"18:27","startHours":17.967883947217665,"endHours":18.445706845943327,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:43","end":"19:28","startHours":17.717883947217665,"endHours":19.467883947217665,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:51","end":"00:37","startHours":23.851750843529164,"endHours":24.61626748149023,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:30","end":"07:56","startHours":6.500134377801729,"endHours":7.933603073978721,"quality":"inauspicious"},{"name":"Chala","start":"07:56","end":"09:22","startHours":7.933603073978721,"endHours":9.367071770155713,"quality":"neutral"},{"name":"Labha","start":"09:22","end":"10:48","startHours":9.367071770155713,"endHours":10.800540466332706,"quality":"auspicious"},{"name":"Amṛta","start":"10:48","end":"12:14","startHours":10.800540466332706,"endHours":12.234009162509697,"quality":"auspicious"},{"name":"Kāla","start":"12:14","end":"13:40","startHours":12.234009162509697,"endHours":13.667477858686688,"quality":"inauspicious"},{"name":"Śubha","start":"13:40","end":"15:06","startHours":13.667477858686688,"endHours":15.10094655486368,"quality":"auspicious"},{"name":"Roga","start":"15:06","end":"16:32","startHours":15.10094655486368,"endHours":16.534415251040674,"quality":"inauspicious"},{"name":"Udveg","start":"16:32","end":"17:58","startHours":16.534415251040674,"endHours":17.967883947217665,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:58","end":"19:32","startHours":17.967883947217665,"endHours":19.534415251040674,"quality":"auspicious"},{"name":"Roga","start":"19:32","end":"21:06","startHours":19.534415251040674,"endHours":21.100946554863683,"quality":"inauspicious"},{"name":"Udveg","start":"21:06","end":"22:40","startHours":21.100946554863683,"endHours":22.667477858686688,"quality":"inauspicious"},{"name":"Chala","start":"22:40","end":"00:14","startHours":22.667477858686688,"endHours":24.234009162509697,"quality":"neutral"},{"name":"Labha","start":"00:14","end":"01:48","startHours":24.234009162509697,"endHours":25.800540466332706,"quality":"auspicious"},{"name":"Amṛta","start":"01:48","end":"03:22","startHours":25.800540466332706,"endHours":27.36707177015571,"quality":"auspicious"},{"name":"Kāla","start":"03:22","end":"04:56","startHours":27.36707177015571,"endHours":28.93360307397872,"quality":"inauspicious"},{"name":"Śubha","start":"04:56","end":"06:30","startHours":28.93360307397872,"endHours":30.50013437780173,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:30","end":"07:30","startHours":6.500134377801729,"endHours":7.500134377801729,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:30","end":"08:30","startHours":7.500134377801729,"endHours":8.500134377801729,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:30","end":"09:30","startHours":8.500134377801729,"endHours":9.500134377801729,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:30","end":"10:30","startHours":9.500134377801729,"endHours":10.500134377801729,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:30","end":"11:30","startHours":10.500134377801729,"endHours":11.500134377801729,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:30","end":"12:30","startHours":11.500134377801729,"endHours":12.500134377801729,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:30","end":"13:30","startHours":12.500134377801729,"endHours":13.500134377801729,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:30","end":"14:30","startHours":13.500134377801729,"endHours":14.500134377801729,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:30","end":"15:30","startHours":14.500134377801729,"endHours":15.500134377801729,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:30","end":"16:30","startHours":15.500134377801729,"endHours":16.50013437780173,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:30","end":"17:30","startHours":16.50013437780173,"endHours":17.50013437780173,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:30","end":"18:30","startHours":17.50013437780173,"endHours":18.50013437780173,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:30","end":"19:30","startHours":18.50013437780173,"endHours":19.50013437780173,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:30","end":"20:30","startHours":19.50013437780173,"endHours":20.50013437780173,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:30","end":"21:30","startHours":20.50013437780173,"endHours":21.50013437780173,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:30","end":"22:30","startHours":21.50013437780173,"endHours":22.50013437780173,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:30","end":"23:30","startHours":22.50013437780173,"endHours":23.50013437780173,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:30","end":"00:30","startHours":23.50013437780173,"endHours":24.50013437780173,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:30","end":"01:30","startHours":24.50013437780173,"endHours":25.50013437780173,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:30","end":"02:30","startHours":25.50013437780173,"endHours":26.50013437780173,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:30","end":"03:30","startHours":26.50013437780173,"endHours":27.50013437780173,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:30","end":"04:30","startHours":27.50013437780173,"endHours":28.50013437780173,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:30","end":"05:30","startHours":28.50013437780173,"endHours":29.50013437780173,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:30","end":"06:30","startHours":29.50013437780173,"endHours":30.50013437780173,"planetary_lord":"Jupiter"}],"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":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.146624021740745,"eotMinutes":5.090650249418121,"ayanamsa":24.6206}},"calendars":{"vikram_samvat":2111,"vikram_samvatsara":"Sarvajit","saka_samvat":1976,"saka_samvatsara":"Bhāva","bengali_samvat":1461,"malayalam_era":1230,"nanakshahi_year":585,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Mārgaśīrṣa","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 Śukla Trayodaśī · Vikram 2111 Sarvajit · Śaka 1976 Bhāva"},"festivals":[{"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":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","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 13, 2054 CE · Erode, Tamil Nadu · Vidhyamitra","description":"December 13, 2054 CE for Erode, Tamil Nadu: Śukla Trayodaśī, sūryodaya 06:30, sūryāsta 17:58.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2054-12-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2054-12-13","sa":"https://sa.vidhyamitra.com/city/erode/2054-12-13","hi":"https://hi.vidhyamitra.com/city/erode/2054-12-13","x-default":"https://vidhyamitra.com/city/erode/2054-12-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T20:46:22.522Z","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":"2026-05-31T20:46:22.522Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T20:46:22.522Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}