{"id":"vidhyamitra:city-day:erode:1972-01-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1972-01-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1972-01-18","date_display":"January 18, 1972 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":1972,"month":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441334.770833,"kali_year":5073,"ahargana":1852869.2708,"sun":{"sidereal_longitude":273.5469,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":292.3776,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":18.8306,"elapsed_within_tithi_degrees":6.8306},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4,"moon_longitude":292.3776,"elapsed_within_degrees":12.3776},"yoga":{"number":16,"name":"Siddhi","sum_longitude":205.9245},"karana":{"half_tithi_index":3,"name":"Kaulava"},"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":1972,"month":1,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2441334.770833,"ahargana":1852869.2708,"kali_year":5073,"ayanamsa_lahiri":23.4625,"grahas":{"sun":{"sidereal_longitude":273.57171600000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":293.514416,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false,"latitude":0.4939},"mars":{"sidereal_longitude":351.411116,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":255.686916,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":243.30341599999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"venus":{"sidereal_longitude":308.652116,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":36.640315999999984,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":286.0694,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":106.0694,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":1972,"month":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441334.770833,"kali_year":5073,"ahargana":1852869.2708,"sun":{"sidereal_longitude":273.5469,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":292.3776,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":18.8306,"elapsed_within_tithi_degrees":6.8306},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4,"moon_longitude":292.3776,"elapsed_within_degrees":12.3776},"yoga":{"number":16,"name":"Siddhi","sum_longitude":205.9245},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.494,"elongation":18.831},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.494,"opposition_distance":161.169}},"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":"06:43","sunsetLocal":"18:16","solarNoonLocal":"12:29","dayLengthHours":11.54038787474201,"dayLengthDisplay":"11 Hours 32 Mins 25 Secs","nightLengthDisplay":"12 Hours 27 Mins 35 Secs","moonriseLocal":"08:00","moonsetLocal":"19:39","rahuKala":{"name":"Rāhu Kāla","start":"15:23","end":"16:49","startHours":15.376437461713664,"endHours":16.818985946056415,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:36","end":"11:03","startHours":9.60624352434266,"endHours":11.04879200868541,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:29","end":"13:56","startHours":12.491340493028162,"endHours":13.933888977370913,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:25","end":"09:48","startHours":9.413903726430293,"endHours":9.798583322255027,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:12","end":"07:31","startHours":7.2019960504380744,"endHours":7.509739727097862,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:06","end":"12:53","startHours":12.106660897203428,"endHours":12.876020088852895,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:11","end":"05:57","startHours":5.1824281723582235,"endHours":5.95178736400769,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:46","end":"06:43","startHours":5.759447566095323,"endHours":6.721146555657158,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:25","end":"15:11","startHours":14.414738472151832,"endHours":15.1840976638013,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:04","end":"18:28","startHours":18.061534430399167,"endHours":18.461534430399166,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:16","end":"18:45","startHours":18.261534430399166,"endHours":18.742383925180082,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:01","end":"19:46","startHours":18.011534430399166,"endHours":19.761534430399166,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:06","end":"00:53","startHours":24.10666089720343,"endHours":24.876020088852894,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:43","end":"08:10","startHours":6.721146555657158,"endHours":8.163695039999908,"quality":"inauspicious"},{"name":"Udveg","start":"08:10","end":"09:36","startHours":8.163695039999908,"endHours":9.60624352434266,"quality":"inauspicious"},{"name":"Chala","start":"09:36","end":"11:03","startHours":9.60624352434266,"endHours":11.04879200868541,"quality":"neutral"},{"name":"Labha","start":"11:03","end":"12:29","startHours":11.04879200868541,"endHours":12.491340493028162,"quality":"auspicious"},{"name":"Amṛta","start":"12:29","end":"13:56","startHours":12.491340493028162,"endHours":13.933888977370913,"quality":"auspicious"},{"name":"Kāla","start":"13:56","end":"15:23","startHours":13.933888977370913,"endHours":15.376437461713664,"quality":"inauspicious"},{"name":"Śubha","start":"15:23","end":"16:49","startHours":15.376437461713664,"endHours":16.818985946056415,"quality":"auspicious"},{"name":"Roga","start":"16:49","end":"18:16","startHours":16.818985946056415,"endHours":18.261534430399166,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:16","end":"19:49","startHours":18.261534430399166,"endHours":19.818985946056415,"quality":"inauspicious"},{"name":"Śubha","start":"19:49","end":"21:23","startHours":19.818985946056415,"endHours":21.376437461713664,"quality":"auspicious"},{"name":"Roga","start":"21:23","end":"22:56","startHours":21.376437461713664,"endHours":22.933888977370913,"quality":"inauspicious"},{"name":"Udveg","start":"22:56","end":"00:29","startHours":22.933888977370913,"endHours":24.49134049302816,"quality":"inauspicious"},{"name":"Chala","start":"00:29","end":"02:03","startHours":24.49134049302816,"endHours":26.04879200868541,"quality":"neutral"},{"name":"Labha","start":"02:03","end":"03:36","startHours":26.04879200868541,"endHours":27.60624352434266,"quality":"auspicious"},{"name":"Amṛta","start":"03:36","end":"05:10","startHours":27.60624352434266,"endHours":29.163695039999908,"quality":"auspicious"},{"name":"Kāla","start":"05:10","end":"06:43","startHours":29.163695039999908,"endHours":30.721146555657157,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:43","end":"07:43","startHours":6.721146555657158,"endHours":7.721146555657158,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:43","end":"08:43","startHours":7.721146555657158,"endHours":8.721146555657157,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:43","end":"09:43","startHours":8.721146555657157,"endHours":9.721146555657157,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:43","end":"10:43","startHours":9.721146555657157,"endHours":10.721146555657157,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:43","end":"11:43","startHours":10.721146555657157,"endHours":11.721146555657157,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:43","end":"12:43","startHours":11.721146555657157,"endHours":12.721146555657157,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:43","end":"13:43","startHours":12.721146555657157,"endHours":13.721146555657157,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:43","end":"14:43","startHours":13.721146555657157,"endHours":14.721146555657157,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:43","end":"15:43","startHours":14.721146555657157,"endHours":15.721146555657157,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:43","end":"16:43","startHours":15.721146555657157,"endHours":16.721146555657157,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:43","end":"17:43","startHours":16.721146555657157,"endHours":17.721146555657157,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:43","end":"18:43","startHours":17.721146555657157,"endHours":18.721146555657157,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:43","end":"19:43","startHours":18.721146555657157,"endHours":19.721146555657157,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:43","end":"20:43","startHours":19.721146555657157,"endHours":20.721146555657157,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:43","end":"21:43","startHours":20.721146555657157,"endHours":21.721146555657157,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:43","end":"22:43","startHours":21.721146555657157,"endHours":22.721146555657157,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:43","end":"23:43","startHours":22.721146555657157,"endHours":23.721146555657157,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:43","end":"00:43","startHours":23.721146555657157,"endHours":24.721146555657157,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:43","end":"01:43","startHours":24.721146555657157,"endHours":25.721146555657157,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:43","end":"02:43","startHours":25.721146555657157,"endHours":26.721146555657157,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:43","end":"03:43","startHours":26.721146555657157,"endHours":27.721146555657157,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:43","end":"04:43","startHours":27.721146555657157,"endHours":28.721146555657157,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:43","end":"05:43","startHours":28.721146555657157,"endHours":29.721146555657157,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:43","end":"06:43","startHours":29.721146555657157,"endHours":30.721146555657157,"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","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"North","anandadiYoga":{"name":"Kāladaṇḍa","quality":"Inauspicious"},"drikRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-20.7489758995053,"eotMinutes":-10.349229581689698,"ayanamsa":23.4625}},"calendars":{"vikram_samvat":2029,"vikram_samvatsara":"Krodhana","saka_samvat":1894,"saka_samvatsara":"Paridhāvi","bengali_samvat":1379,"malayalam_era":1148,"nanakshahi_year":503,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Dvitīyā · Vikram 2029 Krodhana · Śaka 1894 Paridhāvi"},"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":"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 January 18, 1972 CE · Erode, Tamil Nadu · Vidhyamitra","description":"January 18, 1972 CE for Erode, Tamil Nadu: Śukla Dvitīyā, sūryodaya 06:43, sūryāsta 18:16.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1972-01-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1972-01-18","sa":"https://sa.vidhyamitra.com/city/erode/1972-01-18","hi":"https://hi.vidhyamitra.com/city/erode/1972-01-18","x-default":"https://vidhyamitra.com/city/erode/1972-01-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T15:43:41.548Z","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":"2026-05-19T15:43:41.549Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T15:43:41.549Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}