{"id":"vidhyamitra:city-day:erode:1990-12-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1990-12-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1990-12-16","date_display":"December 16, 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":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448241.770833,"kali_year":5092,"ahargana":1859776.2708,"sun":{"sidereal_longitude":239.7257,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":227.2028,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":347.477,"elapsed_within_tithi_degrees":11.477},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1,"moon_longitude":227.2028,"elapsed_within_degrees":0.5361},"yoga":{"number":9,"name":"Śūla","sum_longitude":106.9285},"karana":{"half_tithi_index":57,"name":"Śakuni"},"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":1990,"month":12,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2448241.770833,"ahargana":1859776.2708,"kali_year":5092,"ayanamsa_lahiri":23.7267,"grahas":{"sun":{"sidereal_longitude":240.08211800000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"moon":{"sidereal_longitude":227.82201800000007,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false,"latitude":-3.5878},"mars":{"sidereal_longitude":36.039918,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":256.42031799999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":109.36361799999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":251.12431800000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":269.96781799999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":280.1033,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":100.1033,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":1990,"month":12,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448241.770833,"kali_year":5092,"ahargana":1859776.2708,"sun":{"sidereal_longitude":239.7257,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":227.2028,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":347.477,"elapsed_within_tithi_degrees":11.477},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1,"moon_longitude":227.2028,"elapsed_within_degrees":0.5361},"yoga":{"number":9,"name":"Śūla","sum_longitude":106.9285},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.588,"elongation":12.523},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.588,"opposition_distance":167.477}},"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":"06:32","sunsetLocal":"17:59","solarNoonLocal":"12:15","dayLengthHours":11.463278408812792,"dayLengthDisplay":"11 Hours 27 Mins 48 Secs","nightLengthDisplay":"12 Hours 32 Mins 12 Secs","moonriseLocal":"05:43","moonsetLocal":"17:10","rahuKala":{"name":"Rāhu Kāla","start":"16:33","end":"17:59","startHours":16.55563412285192,"endHours":17.98854392395352,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:15","end":"13:41","startHours":12.256904719547126,"endHours":13.689814520648724,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:07","end":"16:33","startHours":15.122724321750324,"endHours":16.55563412285192,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:12","end":"09:35","startHours":9.200030477197048,"endHours":9.582139757490808,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:00","end":"07:19","startHours":7.002902115507929,"endHours":7.308589539742937,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:38","startHours":11.874795439253365,"endHours":12.639013999840884,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:00","end":"05:46","startHours":4.99682839396569,"endHours":5.76104695455321,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:34","end":"06:32","startHours":5.5699923144063295,"endHours":6.525265515140729,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:56","startHours":14.167451121015924,"endHours":14.931669681603443,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:47","end":"18:11","startHours":17.788543923953522,"endHours":18.18854392395352,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:59","end":"18:28","startHours":17.98854392395352,"endHours":18.46618052432072,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:44","end":"19:29","startHours":17.73854392395352,"endHours":19.48854392395352,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:38","startHours":23.87479543925336,"endHours":24.639013999840884,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:32","end":"07:57","startHours":6.525265515140729,"endHours":7.958175316242328,"quality":"inauspicious"},{"name":"Chala","start":"07:57","end":"09:23","startHours":7.958175316242328,"endHours":9.391085117343927,"quality":"neutral"},{"name":"Labha","start":"09:23","end":"10:49","startHours":9.391085117343927,"endHours":10.823994918445527,"quality":"auspicious"},{"name":"Amṛta","start":"10:49","end":"12:15","startHours":10.823994918445527,"endHours":12.256904719547126,"quality":"auspicious"},{"name":"Kāla","start":"12:15","end":"13:41","startHours":12.256904719547126,"endHours":13.689814520648724,"quality":"inauspicious"},{"name":"Śubha","start":"13:41","end":"15:07","startHours":13.689814520648724,"endHours":15.122724321750324,"quality":"auspicious"},{"name":"Roga","start":"15:07","end":"16:33","startHours":15.122724321750324,"endHours":16.55563412285192,"quality":"inauspicious"},{"name":"Udveg","start":"16:33","end":"17:59","startHours":16.55563412285192,"endHours":17.98854392395352,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:59","end":"19:33","startHours":17.98854392395352,"endHours":19.555634122851924,"quality":"auspicious"},{"name":"Roga","start":"19:33","end":"21:07","startHours":19.555634122851924,"endHours":21.122724321750322,"quality":"inauspicious"},{"name":"Udveg","start":"21:07","end":"22:41","startHours":21.122724321750322,"endHours":22.689814520648724,"quality":"inauspicious"},{"name":"Chala","start":"22:41","end":"00:15","startHours":22.689814520648724,"endHours":24.256904719547126,"quality":"neutral"},{"name":"Labha","start":"00:15","end":"01:49","startHours":24.256904719547126,"endHours":25.82399491844553,"quality":"auspicious"},{"name":"Amṛta","start":"01:49","end":"03:23","startHours":25.82399491844553,"endHours":27.391085117343927,"quality":"auspicious"},{"name":"Kāla","start":"03:23","end":"04:57","startHours":27.391085117343927,"endHours":28.95817531624233,"quality":"inauspicious"},{"name":"Śubha","start":"04:57","end":"06:32","startHours":28.95817531624233,"endHours":30.52526551514073,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:32","end":"07:32","startHours":6.525265515140729,"endHours":7.525265515140729,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:32","end":"08:32","startHours":7.525265515140729,"endHours":8.52526551514073,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:32","end":"09:32","startHours":8.52526551514073,"endHours":9.52526551514073,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:32","end":"10:32","startHours":9.52526551514073,"endHours":10.52526551514073,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:32","end":"11:32","startHours":10.52526551514073,"endHours":11.52526551514073,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:32","end":"12:32","startHours":11.52526551514073,"endHours":12.52526551514073,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:32","end":"13:32","startHours":12.52526551514073,"endHours":13.52526551514073,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:32","end":"14:32","startHours":13.52526551514073,"endHours":14.52526551514073,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:32","end":"15:32","startHours":14.52526551514073,"endHours":15.52526551514073,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:32","end":"16:32","startHours":15.52526551514073,"endHours":16.52526551514073,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:32","end":"17:32","startHours":16.52526551514073,"endHours":17.52526551514073,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:32","end":"18:32","startHours":17.52526551514073,"endHours":18.52526551514073,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:32","end":"19:32","startHours":18.52526551514073,"endHours":19.52526551514073,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:32","end":"20:32","startHours":19.52526551514073,"endHours":20.52526551514073,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:32","end":"21:32","startHours":20.52526551514073,"endHours":21.52526551514073,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:32","end":"22:32","startHours":21.52526551514073,"endHours":22.52526551514073,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:32","end":"23:32","startHours":22.52526551514073,"endHours":23.52526551514073,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:32","end":"00:32","startHours":23.52526551514073,"endHours":24.52526551514073,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:32","end":"01:32","startHours":24.52526551514073,"endHours":25.52526551514073,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:32","end":"02:32","startHours":25.52526551514073,"endHours":26.52526551514073,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:32","end":"03:32","startHours":26.52526551514073,"endHours":27.52526551514073,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:32","end":"04:32","startHours":27.52526551514073,"endHours":28.52526551514073,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:32","end":"05:32","startHours":28.52526551514073,"endHours":29.52526551514073,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:32","end":"06:32","startHours":29.52526551514073,"endHours":30.52526551514073,"planetary_lord":"Jupiter"}],"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":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"North-East","anandadiYoga":{"name":"Kāṇa","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":-23.291716576889414,"eotMinutes":3.716916827172506,"ayanamsa":23.7267}},"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 Kṛṣṇa Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Caturdaśī · 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},{"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":"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":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","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 16, 1990 CE · Erode, Tamil Nadu · Vidhyamitra","description":"December 16, 1990 CE for Erode, Tamil Nadu: Kṛṣṇa Caturdaśī, sūryodaya 06:32, sūryāsta 17:59.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1990-12-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1990-12-16","sa":"https://sa.vidhyamitra.com/city/erode/1990-12-16","hi":"https://hi.vidhyamitra.com/city/erode/1990-12-16","x-default":"https://vidhyamitra.com/city/erode/1990-12-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T23:34:38.477Z","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":"2026-05-17T23:34:38.477Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T23:34:38.477Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}