{"id":"vidhyamitra:city-day:erode:1980-01-24:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1980-01-24","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1980-01-24","date_display":"January 24, 1980 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":1980,"month":1,"day":24,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444262.770833,"kali_year":5081,"ahargana":1855797.2708,"sun":{"sidereal_longitude":279.6284,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":0.1052,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":80.4768,"elapsed_within_tithi_degrees":8.4768},"nakshatra":{"number":1,"name":"Aśvinī","pada":1,"moon_longitude":0.1052,"elapsed_within_degrees":0.1052},"yoga":{"number":21,"name":"Siddha","sum_longitude":279.7336},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":1980,"month":1,"day":24,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444262.770833,"ahargana":1855797.2708,"kali_year":5081,"ayanamsa_lahiri":23.5745,"grahas":{"sun":{"sidereal_longitude":279.6256450000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":2.597545000000025,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false,"latitude":-3.4037},"mars":{"sidereal_longitude":141.660345,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":281.731045,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":135.16654500000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":true},"venus":{"sidereal_longitude":316.30694500000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":153.00714500000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":130.9299,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":310.9299,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":1980,"month":1,"day":24,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444262.770833,"kali_year":5081,"ahargana":1855797.2708,"sun":{"sidereal_longitude":279.6284,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":0.1052,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":80.4768,"elapsed_within_tithi_degrees":8.4768},"nakshatra":{"number":1,"name":"Aśvinī","pada":1,"moon_longitude":0.1052,"elapsed_within_degrees":0.1052},"yoga":{"number":21,"name":"Siddha","sum_longitude":279.7336},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.404,"elongation":80.477},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.404,"opposition_distance":99.523}},"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":"06:44","sunsetLocal":"18:19","solarNoonLocal":"12:31","dayLengthHours":11.579156810465484,"dayLengthDisplay":"11 Hours 34 Mins 45 Secs","nightLengthDisplay":"12 Hours 25 Mins 15 Secs","moonriseLocal":"11:52","moonsetLocal":"00:14","rahuKala":{"name":"Rāhu Kāla","start":"13:58","end":"15:25","startHours":13.967294681083596,"endHours":15.41468928239178,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:44","end":"08:11","startHours":6.730321674542668,"endHours":8.177716275850853,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:38","end":"11:04","startHours":9.625110877159038,"endHours":11.072505478467225,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:26","end":"09:49","startHours":9.432124930317947,"endHours":9.818096824000131,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:13","end":"07:31","startHours":7.2127865416453965,"endHours":7.521564056591143,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:08","end":"12:54","startHours":12.133928186093229,"endHours":12.905871973457593,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:11","end":"05:58","startHours":5.186434099813937,"endHours":5.958377887178302,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:46","end":"06:44","startHours":5.765391940337211,"endHours":6.730321674542668,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:27","end":"15:13","startHours":14.449759548186325,"endHours":15.221703335550691,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:07","end":"18:31","startHours":18.109478485008154,"endHours":18.509478485008152,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:19","end":"18:48","startHours":18.309478485008153,"endHours":18.79194335211088,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:04","end":"19:49","startHours":18.059478485008153,"endHours":19.809478485008153,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:08","end":"00:54","startHours":24.13392818609323,"endHours":24.905871973457593,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:44","end":"08:11","startHours":6.730321674542668,"endHours":8.177716275850853,"quality":"auspicious"},{"name":"Roga","start":"08:11","end":"09:38","startHours":8.177716275850853,"endHours":9.625110877159038,"quality":"inauspicious"},{"name":"Udveg","start":"09:38","end":"11:04","startHours":9.625110877159038,"endHours":11.072505478467225,"quality":"inauspicious"},{"name":"Chala","start":"11:04","end":"12:31","startHours":11.072505478467225,"endHours":12.519900079775411,"quality":"neutral"},{"name":"Labha","start":"12:31","end":"13:58","startHours":12.519900079775411,"endHours":13.967294681083596,"quality":"auspicious"},{"name":"Amṛta","start":"13:58","end":"15:25","startHours":13.967294681083596,"endHours":15.41468928239178,"quality":"auspicious"},{"name":"Kāla","start":"15:25","end":"16:52","startHours":15.41468928239178,"endHours":16.862083883699967,"quality":"inauspicious"},{"name":"Śubha","start":"16:52","end":"18:19","startHours":16.862083883699967,"endHours":18.309478485008153,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:19","end":"19:52","startHours":18.309478485008153,"endHours":19.862083883699967,"quality":"auspicious"},{"name":"Kāla","start":"19:52","end":"21:25","startHours":19.862083883699967,"endHours":21.414689282391784,"quality":"inauspicious"},{"name":"Śubha","start":"21:25","end":"22:58","startHours":21.414689282391784,"endHours":22.967294681083597,"quality":"auspicious"},{"name":"Roga","start":"22:58","end":"00:31","startHours":22.967294681083597,"endHours":24.51990007977541,"quality":"inauspicious"},{"name":"Udveg","start":"00:31","end":"02:04","startHours":24.51990007977541,"endHours":26.072505478467225,"quality":"inauspicious"},{"name":"Chala","start":"02:04","end":"03:38","startHours":26.072505478467225,"endHours":27.625110877159038,"quality":"neutral"},{"name":"Labha","start":"03:38","end":"05:11","startHours":27.625110877159038,"endHours":29.177716275850855,"quality":"auspicious"},{"name":"Amṛta","start":"05:11","end":"06:44","startHours":29.177716275850855,"endHours":30.73032167454267,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:44","end":"07:44","startHours":6.730321674542668,"endHours":7.730321674542668,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:44","end":"08:44","startHours":7.730321674542668,"endHours":8.730321674542669,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:44","end":"09:44","startHours":8.730321674542669,"endHours":9.730321674542669,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:44","end":"10:44","startHours":9.730321674542669,"endHours":10.730321674542669,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:44","end":"11:44","startHours":10.730321674542669,"endHours":11.730321674542669,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:44","end":"12:44","startHours":11.730321674542669,"endHours":12.730321674542669,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:44","end":"13:44","startHours":12.730321674542669,"endHours":13.730321674542669,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:44","end":"14:44","startHours":13.730321674542669,"endHours":14.730321674542669,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:44","end":"15:44","startHours":14.730321674542669,"endHours":15.730321674542669,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:44","end":"16:44","startHours":15.730321674542669,"endHours":16.73032167454267,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:44","end":"17:44","startHours":16.73032167454267,"endHours":17.73032167454267,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:44","end":"18:44","startHours":17.73032167454267,"endHours":18.73032167454267,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:44","end":"19:44","startHours":18.73032167454267,"endHours":19.73032167454267,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:44","end":"20:44","startHours":19.73032167454267,"endHours":20.73032167454267,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:44","end":"21:44","startHours":20.73032167454267,"endHours":21.73032167454267,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:44","end":"22:44","startHours":21.73032167454267,"endHours":22.73032167454267,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:44","end":"23:44","startHours":22.73032167454267,"endHours":23.73032167454267,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:44","end":"00:44","startHours":23.73032167454267,"endHours":24.73032167454267,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:44","end":"01:44","startHours":24.73032167454267,"endHours":25.73032167454267,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:44","end":"02:44","startHours":25.73032167454267,"endHours":26.73032167454267,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:44","end":"03:44","startHours":26.73032167454267,"endHours":27.73032167454267,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:44","end":"04:44","startHours":27.73032167454267,"endHours":28.73032167454267,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:44","end":"05:44","startHours":28.73032167454267,"endHours":29.73032167454267,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:44","end":"06:44","startHours":29.73032167454267,"endHours":30.73032167454267,"planetary_lord":"Moon"}],"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":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"East","rahuVasa":"North-West","anandadiYoga":{"name":"Mṛtyu","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":-19.439285111571575,"eotMinutes":-12.062804786524666,"ayanamsa":23.5745}},"calendars":{"vikram_samvat":2037,"vikram_samvatsara":"Śrīmukha","saka_samvat":1902,"saka_samvatsara":"Raudra","bengali_samvat":1387,"malayalam_era":1156,"nanakshahi_year":511,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Saptamī · Vikram 2037 Śrīmukha · Śaka 1902 Raudra"},"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":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","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 January 24, 1980 CE · Erode, Tamil Nadu · Vidhyamitra","description":"January 24, 1980 CE for Erode, Tamil Nadu: Śukla Saptamī, sūryodaya 06:44, sūryāsta 18:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1980-01-24","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1980-01-24","sa":"https://sa.vidhyamitra.com/city/erode/1980-01-24","hi":"https://hi.vidhyamitra.com/city/erode/1980-01-24","x-default":"https://vidhyamitra.com/city/erode/1980-01-24"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T00:26:12.318Z","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":"2026-05-19T00:26:12.318Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T00:26:12.318Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}