{"id":"vidhyamitra:city-day:erode:1963-02-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1963-02-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1963-02-12","date_display":"February 12, 1963 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":1963,"month":2,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438072.770833,"kali_year":5064,"ahargana":1849607.2708,"sun":{"sidereal_longitude":299.4353,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":160.9959,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":221.5607,"elapsed_within_tithi_degrees":5.5607},"nakshatra":{"number":13,"name":"Hasta","pada":1,"moon_longitude":160.9959,"elapsed_within_degrees":0.9959},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":100.4312},"karana":{"half_tithi_index":36,"name":"Bava"},"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":1963,"month":2,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2438072.770833,"ahargana":1849607.2708,"kali_year":5064,"ayanamsa_lahiri":23.3377,"grahas":{"sun":{"sidereal_longitude":299.26564900000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":158.00644899999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false,"latitude":3.9757},"mars":{"sidereal_longitude":109.16014899999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":273.730549,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":325.15324899999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":253.916249,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":292.16914899999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":98.9059,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":278.9059,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":1963,"month":2,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438072.770833,"kali_year":5064,"ahargana":1849607.2708,"sun":{"sidereal_longitude":299.4353,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":160.9959,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":221.5607,"elapsed_within_tithi_degrees":5.5607},"nakshatra":{"number":13,"name":"Hasta","pada":1,"moon_longitude":160.9959,"elapsed_within_degrees":0.9959},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":100.4312},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.976,"elongation":138.439},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.976,"opposition_distance":41.561}},"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":"06:42","sunsetLocal":"18:26","solarNoonLocal":"12:34","dayLengthHours":11.73527486815234,"dayLengthDisplay":"11 Hours 44 Mins 07 Secs","nightLengthDisplay":"12 Hours 15 Mins 53 Secs","moonriseLocal":"21:07","moonsetLocal":"09:11","rahuKala":{"name":"Rāhu Kāla","start":"15:30","end":"16:58","startHours":15.495917585286259,"endHours":16.9628269438053,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:38","end":"11:06","startHours":9.628280151210088,"endHours":11.095189509729131,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:34","end":"14:02","startHours":12.562098868248174,"endHours":14.029008226767216,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:26","end":"09:49","startHours":9.432692236740884,"endHours":9.823868065679294,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:11","end":"07:30","startHours":7.1834312203450175,"endHours":7.496371883495747,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:10","end":"12:57","startHours":12.170923039309763,"endHours":12.953274697186586,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:08","end":"05:55","startHours":5.1297581184183585,"endHours":5.912109776295181,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:43","end":"06:42","startHours":5.716521861825975,"endHours":6.694461434172004,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:31","end":"15:18","startHours":14.51797801294023,"endHours":15.300329670817053,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:14","end":"18:38","startHours":18.229736302324344,"endHours":18.629736302324343,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:26","end":"18:55","startHours":18.429736302324343,"endHours":18.91870608849736,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:11","end":"19:56","startHours":18.179736302324343,"endHours":19.929736302324343,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:10","end":"00:57","startHours":24.170923039309763,"endHours":24.953274697186586,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:42","end":"08:10","startHours":6.694461434172004,"endHours":8.161370792691047,"quality":"inauspicious"},{"name":"Udveg","start":"08:10","end":"09:38","startHours":8.161370792691047,"endHours":9.628280151210088,"quality":"inauspicious"},{"name":"Chala","start":"09:38","end":"11:06","startHours":9.628280151210088,"endHours":11.095189509729131,"quality":"neutral"},{"name":"Labha","start":"11:06","end":"12:34","startHours":11.095189509729131,"endHours":12.562098868248174,"quality":"auspicious"},{"name":"Amṛta","start":"12:34","end":"14:02","startHours":12.562098868248174,"endHours":14.029008226767216,"quality":"auspicious"},{"name":"Kāla","start":"14:02","end":"15:30","startHours":14.029008226767216,"endHours":15.495917585286259,"quality":"inauspicious"},{"name":"Śubha","start":"15:30","end":"16:58","startHours":15.495917585286259,"endHours":16.9628269438053,"quality":"auspicious"},{"name":"Roga","start":"16:58","end":"18:26","startHours":16.9628269438053,"endHours":18.429736302324343,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:26","end":"19:58","startHours":18.429736302324343,"endHours":19.9628269438053,"quality":"inauspicious"},{"name":"Śubha","start":"19:58","end":"21:30","startHours":19.9628269438053,"endHours":21.495917585286257,"quality":"auspicious"},{"name":"Roga","start":"21:30","end":"23:02","startHours":21.495917585286257,"endHours":23.029008226767218,"quality":"inauspicious"},{"name":"Udveg","start":"23:02","end":"00:34","startHours":23.029008226767218,"endHours":24.562098868248174,"quality":"inauspicious"},{"name":"Chala","start":"00:34","end":"02:06","startHours":24.562098868248174,"endHours":26.09518950972913,"quality":"neutral"},{"name":"Labha","start":"02:06","end":"03:38","startHours":26.09518950972913,"endHours":27.628280151210088,"quality":"auspicious"},{"name":"Amṛta","start":"03:38","end":"05:10","startHours":27.628280151210088,"endHours":29.161370792691045,"quality":"auspicious"},{"name":"Kāla","start":"05:10","end":"06:42","startHours":29.161370792691045,"endHours":30.694461434172005,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:42","end":"07:42","startHours":6.694461434172004,"endHours":7.694461434172004,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:42","end":"08:42","startHours":7.694461434172004,"endHours":8.694461434172004,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:42","end":"09:42","startHours":8.694461434172004,"endHours":9.694461434172004,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:42","end":"10:42","startHours":9.694461434172004,"endHours":10.694461434172004,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:42","end":"11:42","startHours":10.694461434172004,"endHours":11.694461434172004,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:42","end":"12:42","startHours":11.694461434172004,"endHours":12.694461434172004,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:42","end":"13:42","startHours":12.694461434172004,"endHours":13.694461434172004,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:42","end":"14:42","startHours":13.694461434172004,"endHours":14.694461434172004,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:42","end":"15:42","startHours":14.694461434172004,"endHours":15.694461434172004,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:42","end":"16:42","startHours":15.694461434172004,"endHours":16.694461434172005,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:42","end":"17:42","startHours":16.694461434172005,"endHours":17.694461434172005,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:42","end":"18:42","startHours":17.694461434172005,"endHours":18.694461434172005,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:42","end":"19:42","startHours":18.694461434172005,"endHours":19.694461434172005,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:42","end":"20:42","startHours":19.694461434172005,"endHours":20.694461434172005,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:42","end":"21:42","startHours":20.694461434172005,"endHours":21.694461434172005,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:42","end":"22:42","startHours":21.694461434172005,"endHours":22.694461434172005,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:42","end":"23:42","startHours":22.694461434172005,"endHours":23.694461434172005,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:42","end":"00:42","startHours":23.694461434172005,"endHours":24.694461434172005,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:42","end":"01:42","startHours":24.694461434172005,"endHours":25.694461434172005,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:42","end":"02:42","startHours":25.694461434172005,"endHours":26.694461434172005,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:42","end":"03:42","startHours":26.694461434172005,"endHours":27.694461434172005,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:42","end":"04:42","startHours":27.694461434172005,"endHours":28.694461434172005,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:42","end":"05:42","startHours":28.694461434172005,"endHours":29.694461434172005,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:42","end":"06:42","startHours":29.694461434172005,"endHours":30.694461434172005,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"North-West","rahuVasa":"North","anandadiYoga":{"name":"Amṛta","quality":"Auspicious"},"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":-13.978313391727493,"eotMinutes":-14.594732094890398,"ayanamsa":23.3377}},"calendars":{"vikram_samvat":2020,"vikram_samvatsara":"Nala","saka_samvat":1885,"saka_samvatsara":"Śobhana","bengali_samvat":1370,"malayalam_era":1139,"nanakshahi_year":494,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Caturthī · Vikram 2020 Nala · Śaka 1885 Śobhana"},"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},{"id":"angarika-chaturthi","name":"Aṅgāraka Caturthī (Tuesday Caturthī)","name_sanskrit":"अङ्गारक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa + Maṅgala","significance":"Tuesday-Caturthī (rare); supremely auspicious for Maṅgala-doṣa-nivāraṇa.","vrata":true,"detection":{"any_of":[{"tithi_number":4,"vara_name":"Maṅgalavāra (Tuesday)"},{"tithi_number":19,"vara_name":"Maṅgalavāra (Tuesday)"}]},"precedence":3},{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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 February 12, 1963 CE · Erode, Tamil Nadu · Vidhyamitra","description":"February 12, 1963 CE for Erode, Tamil Nadu: Kṛṣṇa Caturthī, sūryodaya 06:42, sūryāsta 18:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1963-02-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1963-02-12","sa":"https://sa.vidhyamitra.com/city/erode/1963-02-12","hi":"https://hi.vidhyamitra.com/city/erode/1963-02-12","x-default":"https://vidhyamitra.com/city/erode/1963-02-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-20T09:10:46.284Z","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":"2026-05-20T09:10:46.284Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-20T09:10:46.284Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}