{"id":"vidhyamitra:city-day:erode:1990-12-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1990-12-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1990-12-04","date_display":"December 4, 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":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448229.770833,"kali_year":5092,"ahargana":1859764.2708,"sun":{"sidereal_longitude":227.4328,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":69.9853,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":202.5525,"elapsed_within_tithi_degrees":10.5525},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":69.9853,"elapsed_within_degrees":3.3186},"yoga":{"number":23,"name":"Śubha","sum_longitude":297.4181},"karana":{"half_tithi_index":33,"name":"Gara"},"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":1990,"month":12,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2448229.770833,"ahargana":1859764.2708,"kali_year":5092,"ayanamsa_lahiri":23.7262,"grahas":{"sun":{"sidereal_longitude":227.88957600000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":72.24067600000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false,"latitude":2.2993},"mars":{"sidereal_longitude":39.52077600000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":249.00717600000007,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":109.76057600000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":236.055976,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":268.721676,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":280.7391,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":100.7391,"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":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448229.770833,"kali_year":5092,"ahargana":1859764.2708,"sun":{"sidereal_longitude":227.4328,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":69.9853,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":202.5525,"elapsed_within_tithi_degrees":10.5525},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":69.9853,"elapsed_within_degrees":3.3186},"yoga":{"number":23,"name":"Śubha","sum_longitude":297.4181},"karana":{"half_tithi_index":33,"name":"Gara"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.299,"elongation":157.447},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.299,"opposition_distance":22.553}},"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":"06:25","sunsetLocal":"17:55","solarNoonLocal":"12:10","dayLengthHours":11.497468264708438,"dayLengthDisplay":"11 Hours 29 Mins 51 Secs","nightLengthDisplay":"12 Hours 30 Mins 09 Secs","moonriseLocal":"19:25","moonsetLocal":"08:10","rahuKala":{"name":"Rāhu Kāla","start":"15:03","end":"16:29","startHours":15.043873323942055,"endHours":16.481056857030612,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:18","end":"10:44","startHours":9.295139191587836,"endHours":10.732322724676392,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:10","end":"13:36","startHours":12.169506257764947,"endHours":13.606689790853501,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:06","end":"09:29","startHours":9.103514720509363,"endHours":9.486763662666311,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:54","end":"07:12","startHours":6.899833303106912,"endHours":7.20643245683247,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:47","end":"12:33","startHours":11.786257315608,"endHours":12.552755199921895,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:53","end":"05:39","startHours":4.887776356782936,"endHours":5.654274241096831,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:28","end":"06:25","startHours":5.462649770018357,"endHours":6.4207721254107275,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:05","end":"14:51","startHours":14.085750968549686,"endHours":14.852248852863582,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:43","end":"18:07","startHours":17.718240390119167,"endHours":18.118240390119166,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:55","end":"18:24","startHours":17.918240390119166,"endHours":18.39730156781535,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:40","end":"19:25","startHours":17.668240390119166,"endHours":19.418240390119166,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:47","end":"00:33","startHours":23.786257315608,"endHours":24.552755199921894,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:25","end":"07:51","startHours":6.4207721254107275,"endHours":7.857955658499282,"quality":"inauspicious"},{"name":"Udveg","start":"07:51","end":"09:18","startHours":7.857955658499282,"endHours":9.295139191587836,"quality":"inauspicious"},{"name":"Chala","start":"09:18","end":"10:44","startHours":9.295139191587836,"endHours":10.732322724676392,"quality":"neutral"},{"name":"Labha","start":"10:44","end":"12:10","startHours":10.732322724676392,"endHours":12.169506257764947,"quality":"auspicious"},{"name":"Amṛta","start":"12:10","end":"13:36","startHours":12.169506257764947,"endHours":13.606689790853501,"quality":"auspicious"},{"name":"Kāla","start":"13:36","end":"15:03","startHours":13.606689790853501,"endHours":15.043873323942055,"quality":"inauspicious"},{"name":"Śubha","start":"15:03","end":"16:29","startHours":15.043873323942055,"endHours":16.481056857030612,"quality":"auspicious"},{"name":"Roga","start":"16:29","end":"17:55","startHours":16.481056857030612,"endHours":17.918240390119166,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:55","end":"19:29","startHours":17.918240390119166,"endHours":19.481056857030612,"quality":"inauspicious"},{"name":"Śubha","start":"19:29","end":"21:03","startHours":19.481056857030612,"endHours":21.04387332394206,"quality":"auspicious"},{"name":"Roga","start":"21:03","end":"22:36","startHours":21.04387332394206,"endHours":22.6066897908535,"quality":"inauspicious"},{"name":"Udveg","start":"22:36","end":"00:10","startHours":22.6066897908535,"endHours":24.169506257764947,"quality":"inauspicious"},{"name":"Chala","start":"00:10","end":"01:44","startHours":24.169506257764947,"endHours":25.732322724676393,"quality":"neutral"},{"name":"Labha","start":"01:44","end":"03:18","startHours":25.732322724676393,"endHours":27.295139191587836,"quality":"auspicious"},{"name":"Amṛta","start":"03:18","end":"04:51","startHours":27.295139191587836,"endHours":28.857955658499282,"quality":"auspicious"},{"name":"Kāla","start":"04:51","end":"06:25","startHours":28.857955658499282,"endHours":30.42077212541073,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:25","end":"07:25","startHours":6.4207721254107275,"endHours":7.4207721254107275,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:25","end":"08:25","startHours":7.4207721254107275,"endHours":8.420772125410728,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:25","end":"09:25","startHours":8.420772125410728,"endHours":9.420772125410728,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:25","end":"10:25","startHours":9.420772125410728,"endHours":10.420772125410728,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:25","end":"11:25","startHours":10.420772125410728,"endHours":11.420772125410728,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:25","end":"12:25","startHours":11.420772125410728,"endHours":12.420772125410728,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:25","end":"13:25","startHours":12.420772125410728,"endHours":13.420772125410728,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:25","end":"14:25","startHours":13.420772125410728,"endHours":14.420772125410728,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:25","end":"15:25","startHours":14.420772125410728,"endHours":15.420772125410728,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:25","end":"16:25","startHours":15.420772125410728,"endHours":16.42077212541073,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:25","end":"17:25","startHours":16.42077212541073,"endHours":17.42077212541073,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:25","end":"18:25","startHours":17.42077212541073,"endHours":18.42077212541073,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:25","end":"19:25","startHours":18.42077212541073,"endHours":19.42077212541073,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:25","end":"20:25","startHours":19.42077212541073,"endHours":20.42077212541073,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:25","end":"21:25","startHours":20.42077212541073,"endHours":21.42077212541073,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:25","end":"22:25","startHours":21.42077212541073,"endHours":22.42077212541073,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:25","end":"23:25","startHours":22.42077212541073,"endHours":23.42077212541073,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:25","end":"00:25","startHours":23.42077212541073,"endHours":24.42077212541073,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:25","end":"01:25","startHours":24.42077212541073,"endHours":25.42077212541073,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:25","end":"02:25","startHours":25.42077212541073,"endHours":26.42077212541073,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:25","end":"03:25","startHours":26.42077212541073,"endHours":27.42077212541073,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:25","end":"04:25","startHours":27.42077212541073,"endHours":28.42077212541073,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:25","end":"05:25","startHours":28.42077212541073,"endHours":29.42077212541073,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:25","end":"06:25","startHours":29.42077212541073,"endHours":30.42077212541073,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"North","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Śarad (Autumn)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-22.174788470511736,"eotMinutes":8.960824534103129,"ayanamsa":23.7262}},"calendars":{"vikram_samvat":2047,"vikram_samvatsara":"Subhānu","saka_samvat":1912,"saka_samvatsara":"Pramoda","bengali_samvat":1397,"malayalam_era":1166,"nanakshahi_year":521,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Kṛṣṇa Dvitīyā · Vikram 2047 Subhānu · Śaka 1912 Pramoda"},"festivals":[{"id":"vrischika-sankranti","name":"Vṛścika Saṅkrānti","name_sanskrit":"वृश्चिक सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Scorpio.","vrata":false,"detection":{"sun_rashi":"Vṛścika"},"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 4, 1990 CE · Erode, Tamil Nadu · Vidhyamitra","description":"December 4, 1990 CE for Erode, Tamil Nadu: Kṛṣṇa Dvitīyā, sūryodaya 06:25, sūryāsta 17:55.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1990-12-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1990-12-04","sa":"https://sa.vidhyamitra.com/city/erode/1990-12-04","hi":"https://hi.vidhyamitra.com/city/erode/1990-12-04","x-default":"https://vidhyamitra.com/city/erode/1990-12-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T17:50:31.686Z","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":"2026-05-17T17:50:31.686Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T17:50:31.686Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}