{"id":"vidhyamitra:city-day:erode:1983-01-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1983-01-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1983-01-30","date_display":"January 30, 1983 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":1983,"month":1,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445364.770833,"kali_year":5084,"ahargana":1856899.2708,"sun":{"sidereal_longitude":285.9996,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":121.09,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":195.0904,"elapsed_within_tithi_degrees":3.0904},"nakshatra":{"number":10,"name":"Maghā","pada":1,"moon_longitude":121.09,"elapsed_within_degrees":1.09},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":47.0896},"karana":{"half_tithi_index":32,"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":1983,"month":1,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2445364.770833,"ahargana":1856899.2708,"kali_year":5084,"ayanamsa_lahiri":23.6166,"grahas":{"sun":{"sidereal_longitude":285.95774099999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"moon":{"sidereal_longitude":121.68684100000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false,"latitude":3.3713},"mars":{"sidereal_longitude":316.41974099999993,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":263.389141,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":223.407241,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":307.02384099999995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":190.34214099999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":72.5406,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":252.5406,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":1983,"month":1,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445364.770833,"kali_year":5084,"ahargana":1856899.2708,"sun":{"sidereal_longitude":285.9996,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":121.09,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":195.0904,"elapsed_within_tithi_degrees":3.0904},"nakshatra":{"number":10,"name":"Maghā","pada":1,"moon_longitude":121.09,"elapsed_within_degrees":1.09},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":47.0896},"karana":{"half_tithi_index":32,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.371,"elongation":164.91},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.371,"opposition_distance":15.09}},"eclipse_window_40days":[{"offset_days":-16,"type":"solar","occurs":true,"moon_latitude":-1.179,"elongation":1.007}]},"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":"06:44","sunsetLocal":"18:21","solarNoonLocal":"12:32","dayLengthHours":11.62536418375991,"dayLengthDisplay":"11 Hours 37 Mins 31 Secs","nightLengthDisplay":"12 Hours 22 Mins 29 Secs","moonriseLocal":"19:22","moonsetLocal":"07:49","rahuKala":{"name":"Rāhu Kāla","start":"16:54","end":"18:21","startHours":16.900984001839372,"endHours":18.354154524809363,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:32","end":"14:00","startHours":12.541472432929407,"endHours":13.994642955899398,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:27","end":"16:54","startHours":15.447813478869385,"endHours":16.900984001839372,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:26","end":"09:50","startHours":9.441375317260098,"endHours":9.828887456718762,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:13","end":"07:31","startHours":7.213180515372782,"endHours":7.523190226939713,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:56","startHours":12.153960293470744,"endHours":12.928984572388073,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:11","end":"05:57","startHours":5.178741783214798,"endHours":5.953766062132125,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:46","end":"06:44","startHours":5.760009992402794,"endHours":6.728790341049453,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:29","end":"15:15","startHours":14.479033130222724,"endHours":15.254057409140051,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:09","end":"18:33","startHours":18.154154524809364,"endHours":18.554154524809363,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:21","end":"18:50","startHours":18.354154524809363,"endHours":18.838544699132694,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:06","end":"19:51","startHours":18.104154524809363,"endHours":19.854154524809363,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:56","startHours":24.153960293470746,"endHours":24.928984572388075,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:44","end":"08:11","startHours":6.728790341049453,"endHours":8.181960864019441,"quality":"inauspicious"},{"name":"Chala","start":"08:11","end":"09:38","startHours":8.181960864019441,"endHours":9.63513138698943,"quality":"neutral"},{"name":"Labha","start":"09:38","end":"11:05","startHours":9.63513138698943,"endHours":11.08830190995942,"quality":"auspicious"},{"name":"Amṛta","start":"11:05","end":"12:32","startHours":11.08830190995942,"endHours":12.541472432929407,"quality":"auspicious"},{"name":"Kāla","start":"12:32","end":"14:00","startHours":12.541472432929407,"endHours":13.994642955899398,"quality":"inauspicious"},{"name":"Śubha","start":"14:00","end":"15:27","startHours":13.994642955899398,"endHours":15.447813478869385,"quality":"auspicious"},{"name":"Roga","start":"15:27","end":"16:54","startHours":15.447813478869385,"endHours":16.900984001839372,"quality":"inauspicious"},{"name":"Udveg","start":"16:54","end":"18:21","startHours":16.900984001839372,"endHours":18.354154524809363,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:21","end":"19:54","startHours":18.354154524809363,"endHours":19.900984001839376,"quality":"auspicious"},{"name":"Roga","start":"19:54","end":"21:27","startHours":19.900984001839376,"endHours":21.447813478869385,"quality":"inauspicious"},{"name":"Udveg","start":"21:27","end":"23:00","startHours":21.447813478869385,"endHours":22.994642955899398,"quality":"inauspicious"},{"name":"Chala","start":"23:00","end":"00:32","startHours":22.994642955899398,"endHours":24.54147243292941,"quality":"neutral"},{"name":"Labha","start":"00:32","end":"02:05","startHours":24.54147243292941,"endHours":26.08830190995942,"quality":"auspicious"},{"name":"Amṛta","start":"02:05","end":"03:38","startHours":26.08830190995942,"endHours":27.635131386989432,"quality":"auspicious"},{"name":"Kāla","start":"03:38","end":"05:11","startHours":27.635131386989432,"endHours":29.181960864019445,"quality":"inauspicious"},{"name":"Śubha","start":"05:11","end":"06:44","startHours":29.181960864019445,"endHours":30.728790341049454,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:44","end":"07:44","startHours":6.728790341049453,"endHours":7.728790341049453,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:44","end":"08:44","startHours":7.728790341049453,"endHours":8.728790341049454,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:44","end":"09:44","startHours":8.728790341049454,"endHours":9.728790341049454,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:44","end":"10:44","startHours":9.728790341049454,"endHours":10.728790341049454,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:44","end":"11:44","startHours":10.728790341049454,"endHours":11.728790341049454,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:44","end":"12:44","startHours":11.728790341049454,"endHours":12.728790341049454,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:44","end":"13:44","startHours":12.728790341049454,"endHours":13.728790341049454,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:44","end":"14:44","startHours":13.728790341049454,"endHours":14.728790341049454,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:44","end":"15:44","startHours":14.728790341049454,"endHours":15.728790341049454,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:44","end":"16:44","startHours":15.728790341049454,"endHours":16.728790341049454,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:44","end":"17:44","startHours":16.728790341049454,"endHours":17.728790341049454,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:44","end":"18:44","startHours":17.728790341049454,"endHours":18.728790341049454,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:44","end":"19:44","startHours":18.728790341049454,"endHours":19.728790341049454,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:44","end":"20:44","startHours":19.728790341049454,"endHours":20.728790341049454,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:44","end":"21:44","startHours":20.728790341049454,"endHours":21.728790341049454,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:44","end":"22:44","startHours":21.728790341049454,"endHours":22.728790341049454,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:44","end":"23:44","startHours":22.728790341049454,"endHours":23.728790341049454,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:44","end":"00:44","startHours":23.728790341049454,"endHours":24.728790341049454,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:44","end":"01:44","startHours":24.728790341049454,"endHours":25.728790341049454,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:44","end":"02:44","startHours":25.728790341049454,"endHours":26.728790341049454,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:44","end":"03:44","startHours":26.728790341049454,"endHours":27.728790341049454,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:44","end":"04:44","startHours":27.728790341049454,"endHours":28.728790341049454,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:44","end":"05:44","startHours":28.728790341049454,"endHours":29.728790341049454,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:44","end":"06:44","startHours":29.728790341049454,"endHours":30.728790341049454,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-17.852742210420633,"eotMinutes":-13.357145975764517,"ayanamsa":23.6166}},"calendars":{"vikram_samvat":2040,"vikram_samvatsara":"Dhātṛ","saka_samvat":1905,"saka_samvatsara":"Rudhirodgāri","bengali_samvat":1390,"malayalam_era":1159,"nanakshahi_year":514,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Dvitīyā · Vikram 2040 Dhātṛ · Śaka 1905 Rudhirodgāri"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2}],"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":[]},"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 January 30, 1983 CE · Erode, Tamil Nadu · Vidhyamitra","description":"January 30, 1983 CE for Erode, Tamil Nadu: Kṛṣṇa Dvitīyā, sūryodaya 06:44, sūryāsta 18:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1983-01-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1983-01-30","sa":"https://sa.vidhyamitra.com/city/erode/1983-01-30","hi":"https://hi.vidhyamitra.com/city/erode/1983-01-30","x-default":"https://vidhyamitra.com/city/erode/1983-01-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T12:35:26.160Z","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":"2026-05-18T12:35:26.160Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T12:35:26.160Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}