{"id":"vidhyamitra:city-day:erode:1990-12-29:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1990-12-29","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1990-12-29","date_display":"December 29, 1990 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":1990,"month":12,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448254.770833,"kali_year":5092,"ahargana":1859789.2708,"sun":{"sidereal_longitude":253.0803,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":36.6885,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":143.6082,"elapsed_within_tithi_degrees":11.6082},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4,"moon_longitude":36.6885,"elapsed_within_degrees":10.0219},"yoga":{"number":22,"name":"Sādhya","sum_longitude":289.7688},"karana":{"half_tithi_index":23,"name":"Bālava"},"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":1990,"month":12,"day":29,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2448254.770833,"ahargana":1859789.2708,"kali_year":5092,"ayanamsa_lahiri":23.7272,"grahas":{"sun":{"sidereal_longitude":253.32172100000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"moon":{"sidereal_longitude":34.625721,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false,"latitude":3.9988},"mars":{"sidereal_longitude":34.28692100000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":242.713121,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":108.42912100000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":267.43382099999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":271.42112099999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":279.4145,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":99.4145,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"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":1990,"month":12,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448254.770833,"kali_year":5092,"ahargana":1859789.2708,"sun":{"sidereal_longitude":253.0803,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":36.6885,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":143.6082,"elapsed_within_tithi_degrees":11.6082},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4,"moon_longitude":36.6885,"elapsed_within_degrees":10.0219},"yoga":{"number":22,"name":"Sādhya","sum_longitude":289.7688},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.999,"elongation":143.608},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.999,"opposition_distance":36.392}},"eclipse_window_40days":[{"offset_days":18,"type":"solar","occurs":true,"moon_latitude":-0.479,"elongation":0.76}]},"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":"06:38","sunsetLocal":"18:05","solarNoonLocal":"12:21","dayLengthHours":11.464598641498107,"dayLengthDisplay":"11 Hours 27 Mins 53 Secs","nightLengthDisplay":"12 Hours 32 Mins 07 Secs","moonriseLocal":"15:28","moonsetLocal":"04:06","rahuKala":{"name":"Rāhu Kāla","start":"09:30","end":"10:55","startHours":9.49181661370163,"endHours":10.924891443888894,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:47","end":"15:13","startHours":13.791041104263421,"endHours":15.224115934450683,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:38","end":"08:04","startHours":6.625666953327104,"endHours":8.058741783514368,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:18","end":"09:41","startHours":9.300739969676663,"endHours":9.6828932577266,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:06","end":"07:25","startHours":7.103358563389525,"endHours":7.409081193829475,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:59","end":"12:44","startHours":11.975812986026222,"endHours":12.740119562126095,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:06","end":"05:52","startHours":5.097053801127357,"endHours":5.86136037722723,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:40","end":"06:38","startHours":5.670283733202262,"endHours":6.625666953327104,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:16","end":"15:02","startHours":14.268732714325843,"endHours":15.033039290425716,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:53","end":"18:17","startHours":17.890265594825213,"endHours":18.29026559482521,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:05","end":"18:34","startHours":18.090265594825212,"endHours":18.567957204887634,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:50","end":"19:35","startHours":17.840265594825212,"endHours":19.590265594825212,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:59","end":"00:44","startHours":23.97581298602622,"endHours":24.740119562126097,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:38","end":"08:04","startHours":6.625666953327104,"endHours":8.058741783514368,"quality":"inauspicious"},{"name":"Śubha","start":"08:04","end":"09:30","startHours":8.058741783514368,"endHours":9.49181661370163,"quality":"auspicious"},{"name":"Roga","start":"09:30","end":"10:55","startHours":9.49181661370163,"endHours":10.924891443888894,"quality":"inauspicious"},{"name":"Udveg","start":"10:55","end":"12:21","startHours":10.924891443888894,"endHours":12.357966274076158,"quality":"inauspicious"},{"name":"Chala","start":"12:21","end":"13:47","startHours":12.357966274076158,"endHours":13.791041104263421,"quality":"neutral"},{"name":"Labha","start":"13:47","end":"15:13","startHours":13.791041104263421,"endHours":15.224115934450683,"quality":"auspicious"},{"name":"Amṛta","start":"15:13","end":"16:39","startHours":15.224115934450683,"endHours":16.65719076463795,"quality":"auspicious"},{"name":"Kāla","start":"16:39","end":"18:05","startHours":16.65719076463795,"endHours":18.090265594825212,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:05","end":"19:39","startHours":18.090265594825212,"endHours":19.65719076463795,"quality":"auspicious"},{"name":"Amṛta","start":"19:39","end":"21:13","startHours":19.65719076463795,"endHours":21.224115934450687,"quality":"auspicious"},{"name":"Kāla","start":"21:13","end":"22:47","startHours":21.224115934450687,"endHours":22.79104110426342,"quality":"inauspicious"},{"name":"Śubha","start":"22:47","end":"00:21","startHours":22.79104110426342,"endHours":24.35796627407616,"quality":"auspicious"},{"name":"Roga","start":"00:21","end":"01:55","startHours":24.35796627407616,"endHours":25.924891443888896,"quality":"inauspicious"},{"name":"Udveg","start":"01:55","end":"03:30","startHours":25.924891443888896,"endHours":27.49181661370163,"quality":"inauspicious"},{"name":"Chala","start":"03:30","end":"05:04","startHours":27.49181661370163,"endHours":29.058741783514368,"quality":"neutral"},{"name":"Labha","start":"05:04","end":"06:38","startHours":29.058741783514368,"endHours":30.625666953327105,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:38","end":"07:38","startHours":6.625666953327104,"endHours":7.625666953327104,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:38","end":"08:38","startHours":7.625666953327104,"endHours":8.625666953327105,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:38","end":"09:38","startHours":8.625666953327105,"endHours":9.625666953327105,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:38","end":"10:38","startHours":9.625666953327105,"endHours":10.625666953327105,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:38","end":"11:38","startHours":10.625666953327105,"endHours":11.625666953327105,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:38","end":"12:38","startHours":11.625666953327105,"endHours":12.625666953327105,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:38","end":"13:38","startHours":12.625666953327105,"endHours":13.625666953327105,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:38","end":"14:38","startHours":13.625666953327105,"endHours":14.625666953327105,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:38","end":"15:38","startHours":14.625666953327105,"endHours":15.625666953327105,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:38","end":"16:38","startHours":15.625666953327105,"endHours":16.625666953327105,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:38","end":"17:38","startHours":16.625666953327105,"endHours":17.625666953327105,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:38","end":"18:38","startHours":17.625666953327105,"endHours":18.625666953327105,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:38","end":"19:38","startHours":18.625666953327105,"endHours":19.625666953327105,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:38","end":"20:38","startHours":19.625666953327105,"endHours":20.625666953327105,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:38","end":"21:38","startHours":20.625666953327105,"endHours":21.625666953327105,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:38","end":"22:38","startHours":21.625666953327105,"endHours":22.625666953327105,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:38","end":"23:38","startHours":22.625666953327105,"endHours":23.625666953327105,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:38","end":"00:38","startHours":23.625666953327105,"endHours":24.625666953327105,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:38","end":"01:38","startHours":24.625666953327105,"endHours":25.625666953327105,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:38","end":"02:38","startHours":25.625666953327105,"endHours":26.625666953327105,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:38","end":"03:38","startHours":26.625666953327105,"endHours":27.625666953327105,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:38","end":"04:38","startHours":27.625666953327105,"endHours":28.625666953327105,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:38","end":"05:38","startHours":28.625666953327105,"endHours":29.625666953327105,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:38","end":"06:38","startHours":29.625666953327105,"endHours":30.625666953327105,"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":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Sushira","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":-23.248904775538552,"eotMinutes":-2.3467764445695645,"ayanamsa":23.7272}},"calendars":{"vikram_samvat":2047,"vikram_samvatsara":"Subhānu","saka_samvat":1912,"saka_samvatsara":"Pramoda","bengali_samvat":1397,"malayalam_era":1166,"nanakshahi_year":521,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Dvādaśī · Vikram 2047 Subhānu · Śaka 1912 Pramoda"},"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":"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":"-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 29, 1990 CE · Erode, Tamil Nadu · Vidhyamitra","description":"December 29, 1990 CE for Erode, Tamil Nadu: Śukla Dvādaśī, sūryodaya 06:38, sūryāsta 18:05.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1990-12-29","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1990-12-29","sa":"https://sa.vidhyamitra.com/city/erode/1990-12-29","hi":"https://hi.vidhyamitra.com/city/erode/1990-12-29","x-default":"https://vidhyamitra.com/city/erode/1990-12-29"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T10:02:13.337Z","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":"2026-05-18T10:02:13.337Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T10:02:13.337Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}