{"id":"vidhyamitra:city-day:erode:1989-12-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1989-12-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1989-12-30","date_display":"December 30, 1989 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":1989,"month":12,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447890.770833,"kali_year":5091,"ahargana":1859425.2708,"sun":{"sidereal_longitude":254.3744,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":276.9316,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":22.5572,"elapsed_within_tithi_degrees":10.5572},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4,"moon_longitude":276.9316,"elapsed_within_degrees":10.2649},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":171.3059},"karana":{"half_tithi_index":3,"name":"Kaulava"},"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":1989,"month":12,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2447890.770833,"ahargana":1859425.2708,"kali_year":5091,"ayanamsa_lahiri":23.7132,"grahas":{"sun":{"sidereal_longitude":254.60232900000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":277.0349289999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false,"latitude":-1.6674},"mars":{"sidereal_longitude":224.689929,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":272.33782900000006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":71.94282900000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":282.830729,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":true},"saturn":{"sidereal_longitude":261.4235289999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":298.701,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":118.701,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":1989,"month":12,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447890.770833,"kali_year":5091,"ahargana":1859425.2708,"sun":{"sidereal_longitude":254.3744,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":276.9316,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":22.5572,"elapsed_within_tithi_degrees":10.5572},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4,"moon_longitude":276.9316,"elapsed_within_degrees":10.2649},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":171.3059},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.667,"elongation":22.557},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.667,"opposition_distance":157.443}},"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":"06:38","sunsetLocal":"18:06","solarNoonLocal":"12:22","dayLengthHours":11.46685641314695,"dayLengthDisplay":"11 Hours 28 Mins 01 Secs","nightLengthDisplay":"12 Hours 31 Mins 59 Secs","moonriseLocal":"08:06","moonsetLocal":"19:37","rahuKala":{"name":"Rāhu Kāla","start":"09:30","end":"10:56","startHours":9.498860805051134,"endHours":10.932217856694502,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:48","end":"15:14","startHours":13.798931959981239,"endHours":15.232289011624609,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:38","end":"08:04","startHours":6.632146701764396,"endHours":8.065503753407764,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:18","end":"09:41","startHours":9.307746531498683,"endHours":9.689975078603583,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:07","end":"07:25","startHours":7.109932385645519,"endHours":7.415715223329437,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:59","end":"12:45","startHours":11.983346361232972,"endHours":12.747803455442767,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:06","end":"05:52","startHours":5.103232513344802,"endHours":5.867689607554599,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:41","end":"06:38","startHours":5.67657533400215,"endHours":6.632146701764396,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:17","end":"15:02","startHours":14.276717643862362,"endHours":15.04117473807216,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:54","end":"18:18","startHours":17.899003114911345,"endHours":18.299003114911343,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:06","end":"18:35","startHours":18.099003114911344,"endHours":18.576788798792467,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:51","end":"19:36","startHours":17.849003114911344,"endHours":19.599003114911344,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:59","end":"00:45","startHours":23.98334636123297,"endHours":24.747803455442767,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:38","end":"08:04","startHours":6.632146701764396,"endHours":8.065503753407764,"quality":"inauspicious"},{"name":"Śubha","start":"08:04","end":"09:30","startHours":8.065503753407764,"endHours":9.498860805051134,"quality":"auspicious"},{"name":"Roga","start":"09:30","end":"10:56","startHours":9.498860805051134,"endHours":10.932217856694502,"quality":"inauspicious"},{"name":"Udveg","start":"10:56","end":"12:22","startHours":10.932217856694502,"endHours":12.36557490833787,"quality":"inauspicious"},{"name":"Chala","start":"12:22","end":"13:48","startHours":12.36557490833787,"endHours":13.798931959981239,"quality":"neutral"},{"name":"Labha","start":"13:48","end":"15:14","startHours":13.798931959981239,"endHours":15.232289011624609,"quality":"auspicious"},{"name":"Amṛta","start":"15:14","end":"16:40","startHours":15.232289011624609,"endHours":16.665646063267975,"quality":"auspicious"},{"name":"Kāla","start":"16:40","end":"18:06","startHours":16.665646063267975,"endHours":18.099003114911344,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:06","end":"19:40","startHours":18.099003114911344,"endHours":19.665646063267975,"quality":"auspicious"},{"name":"Amṛta","start":"19:40","end":"21:14","startHours":19.665646063267975,"endHours":21.23228901162461,"quality":"auspicious"},{"name":"Kāla","start":"21:14","end":"22:48","startHours":21.23228901162461,"endHours":22.79893195998124,"quality":"inauspicious"},{"name":"Śubha","start":"22:48","end":"00:22","startHours":22.79893195998124,"endHours":24.36557490833787,"quality":"auspicious"},{"name":"Roga","start":"00:22","end":"01:56","startHours":24.36557490833787,"endHours":25.9322178566945,"quality":"inauspicious"},{"name":"Udveg","start":"01:56","end":"03:30","startHours":25.9322178566945,"endHours":27.49886080505113,"quality":"inauspicious"},{"name":"Chala","start":"03:30","end":"05:04","startHours":27.49886080505113,"endHours":29.065503753407764,"quality":"neutral"},{"name":"Labha","start":"05:04","end":"06:38","startHours":29.065503753407764,"endHours":30.632146701764395,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:38","end":"07:38","startHours":6.632146701764396,"endHours":7.632146701764396,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:38","end":"08:38","startHours":7.632146701764396,"endHours":8.632146701764395,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:38","end":"09:38","startHours":8.632146701764395,"endHours":9.632146701764395,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:38","end":"10:38","startHours":9.632146701764395,"endHours":10.632146701764395,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:38","end":"11:38","startHours":10.632146701764395,"endHours":11.632146701764395,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:38","end":"12:38","startHours":11.632146701764395,"endHours":12.632146701764395,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:38","end":"13:38","startHours":12.632146701764395,"endHours":13.632146701764395,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:38","end":"14:38","startHours":13.632146701764395,"endHours":14.632146701764395,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:38","end":"15:38","startHours":14.632146701764395,"endHours":15.632146701764395,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:38","end":"16:38","startHours":15.632146701764395,"endHours":16.632146701764395,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:38","end":"17:38","startHours":16.632146701764395,"endHours":17.632146701764395,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:38","end":"18:38","startHours":17.632146701764395,"endHours":18.632146701764395,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:38","end":"19:38","startHours":18.632146701764395,"endHours":19.632146701764395,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:38","end":"20:38","startHours":19.632146701764395,"endHours":20.632146701764395,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:38","end":"21:38","startHours":20.632146701764395,"endHours":21.632146701764395,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:38","end":"22:38","startHours":21.632146701764395,"endHours":22.632146701764395,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:38","end":"23:38","startHours":22.632146701764395,"endHours":23.632146701764395,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:38","end":"00:38","startHours":23.632146701764395,"endHours":24.632146701764395,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:38","end":"01:38","startHours":24.632146701764395,"endHours":25.632146701764395,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:38","end":"02:38","startHours":25.632146701764395,"endHours":26.632146701764395,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:38","end":"03:38","startHours":26.632146701764395,"endHours":27.632146701764395,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:38","end":"04:38","startHours":27.632146701764395,"endHours":28.632146701764395,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:38","end":"05:38","startHours":28.632146701764395,"endHours":29.632146701764395,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:38","end":"06:38","startHours":29.632146701764395,"endHours":30.632146701764395,"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":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.175631229411376,"eotMinutes":-2.803294500272213,"ayanamsa":23.7132}},"calendars":{"vikram_samvat":2046,"vikram_samvatsara":"Citrabhānu","saka_samvat":1911,"saka_samvatsara":"Śukla","bengali_samvat":1396,"malayalam_era":1165,"nanakshahi_year":520,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Dvitīyā · Vikram 2046 Citrabhānu · Śaka 1911 Śukla"},"festivals":[],"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":[]},"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 30, 1989 CE · Erode, Tamil Nadu · Vidhyamitra","description":"December 30, 1989 CE for Erode, Tamil Nadu: Śukla Dvitīyā, sūryodaya 06:38, sūryāsta 18:06.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1989-12-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1989-12-30","sa":"https://sa.vidhyamitra.com/city/erode/1989-12-30","hi":"https://hi.vidhyamitra.com/city/erode/1989-12-30","x-default":"https://vidhyamitra.com/city/erode/1989-12-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T13:08:19.811Z","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":"2026-06-01T13:08:19.811Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T13:08:19.811Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}