{"id":"vidhyamitra:city-day:erode:1957-01-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1957-01-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1957-01-28","date_display":"January 28, 1957 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":1957,"month":1,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2435866.770833,"kali_year":5058,"ahargana":1847401.2708,"sun":{"sidereal_longitude":284.6982,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":252.5126,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":327.8144,"elapsed_within_tithi_degrees":3.8144},"nakshatra":{"number":19,"name":"Mūla","pada":4,"moon_longitude":252.5126,"elapsed_within_degrees":12.5126},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":177.2109},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1957,"month":1,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2435866.770833,"ahargana":1847401.2708,"kali_year":5058,"ayanamsa_lahiri":23.2534,"grahas":{"sun":{"sidereal_longitude":284.605234,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"moon":{"sidereal_longitude":253.39133399999992,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false,"latitude":2.6889},"mars":{"sidereal_longitude":6.9979339999999866,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":260.740134,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":158.33263399999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":266.345334,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":229.03353400000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":215.7904,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":35.7904,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"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":1957,"month":1,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2435866.770833,"kali_year":5058,"ahargana":1847401.2708,"sun":{"sidereal_longitude":284.6982,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":252.5126,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":327.8144,"elapsed_within_tithi_degrees":3.8144},"nakshatra":{"number":19,"name":"Mūla","pada":4,"moon_longitude":252.5126,"elapsed_within_degrees":12.5126},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":177.2109},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.689,"elongation":32.186},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.689,"opposition_distance":147.814}},"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":"18:20","solarNoonLocal":"12:32","dayLengthHours":11.612367489088628,"dayLengthDisplay":"11 Hours 36 Mins 45 Secs","nightLengthDisplay":"12 Hours 23 Mins 15 Secs","moonriseLocal":"04:44","moonsetLocal":"16:10","rahuKala":{"name":"Rāhu Kāla","start":"08:11","end":"09:38","startHours":8.180459392172862,"endHours":9.63200532830894,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:05","end":"12:32","startHours":11.08355126444502,"endHours":12.535097200581099,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:59","end":"15:26","startHours":13.986643136717177,"endHours":15.438189072853255,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:26","end":"09:50","startHours":9.438465870157463,"endHours":9.825544786460418,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:13","end":"07:31","startHours":7.212762101415477,"endHours":7.52242523445784,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:55","startHours":12.148018284278143,"endHours":12.922176116884051,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:11","end":"05:57","startHours":5.180597790824967,"endHours":5.954755623430875,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:46","end":"06:44","startHours":5.761216165279398,"endHours":6.728913456036784,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:15","startHours":14.47049178209587,"endHours":15.244649614701778,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:08","end":"18:32","startHours":18.141280945125413,"endHours":18.54128094512541,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:20","end":"18:50","startHours":18.341280945125412,"endHours":18.825129590504105,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:05","end":"19:50","startHours":18.091280945125412,"endHours":19.841280945125412,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:55","startHours":24.148018284278145,"endHours":24.922176116884053,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:44","end":"08:11","startHours":6.728913456036784,"endHours":8.180459392172862,"quality":"auspicious"},{"name":"Kāla","start":"08:11","end":"09:38","startHours":8.180459392172862,"endHours":9.63200532830894,"quality":"inauspicious"},{"name":"Śubha","start":"09:38","end":"11:05","startHours":9.63200532830894,"endHours":11.08355126444502,"quality":"auspicious"},{"name":"Roga","start":"11:05","end":"12:32","startHours":11.08355126444502,"endHours":12.535097200581099,"quality":"inauspicious"},{"name":"Udveg","start":"12:32","end":"13:59","startHours":12.535097200581099,"endHours":13.986643136717177,"quality":"inauspicious"},{"name":"Chala","start":"13:59","end":"15:26","startHours":13.986643136717177,"endHours":15.438189072853255,"quality":"neutral"},{"name":"Labha","start":"15:26","end":"16:53","startHours":15.438189072853255,"endHours":16.889735008989334,"quality":"auspicious"},{"name":"Amṛta","start":"16:53","end":"18:20","startHours":16.889735008989334,"endHours":18.341280945125412,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:20","end":"19:53","startHours":18.341280945125412,"endHours":19.889735008989334,"quality":"neutral"},{"name":"Labha","start":"19:53","end":"21:26","startHours":19.889735008989334,"endHours":21.438189072853255,"quality":"auspicious"},{"name":"Amṛta","start":"21:26","end":"22:59","startHours":21.438189072853255,"endHours":22.986643136717177,"quality":"auspicious"},{"name":"Kāla","start":"22:59","end":"00:32","startHours":22.986643136717177,"endHours":24.5350972005811,"quality":"inauspicious"},{"name":"Śubha","start":"00:32","end":"02:05","startHours":24.5350972005811,"endHours":26.08355126444502,"quality":"auspicious"},{"name":"Roga","start":"02:05","end":"03:38","startHours":26.08355126444502,"endHours":27.632005328308942,"quality":"inauspicious"},{"name":"Udveg","start":"03:38","end":"05:11","startHours":27.632005328308942,"endHours":29.180459392172864,"quality":"inauspicious"},{"name":"Chala","start":"05:11","end":"06:44","startHours":29.180459392172864,"endHours":30.728913456036786,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:44","end":"07:44","startHours":6.728913456036784,"endHours":7.728913456036784,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:44","end":"08:44","startHours":7.728913456036784,"endHours":8.728913456036784,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:44","end":"09:44","startHours":8.728913456036784,"endHours":9.728913456036784,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:44","end":"10:44","startHours":9.728913456036784,"endHours":10.728913456036784,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:44","end":"11:44","startHours":10.728913456036784,"endHours":11.728913456036784,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:44","end":"12:44","startHours":11.728913456036784,"endHours":12.728913456036784,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:44","end":"13:44","startHours":12.728913456036784,"endHours":13.728913456036784,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:44","end":"14:44","startHours":13.728913456036784,"endHours":14.728913456036784,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:44","end":"15:44","startHours":14.728913456036784,"endHours":15.728913456036784,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:44","end":"16:44","startHours":15.728913456036784,"endHours":16.728913456036786,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:44","end":"17:44","startHours":16.728913456036786,"endHours":17.728913456036786,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:44","end":"18:44","startHours":17.728913456036786,"endHours":18.728913456036786,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:44","end":"19:44","startHours":18.728913456036786,"endHours":19.728913456036786,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:44","end":"20:44","startHours":19.728913456036786,"endHours":20.728913456036786,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:44","end":"21:44","startHours":20.728913456036786,"endHours":21.728913456036786,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:44","end":"22:44","startHours":21.728913456036786,"endHours":22.728913456036786,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:44","end":"23:44","startHours":22.728913456036786,"endHours":23.728913456036786,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:44","end":"00:44","startHours":23.728913456036786,"endHours":24.728913456036786,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:44","end":"01:44","startHours":24.728913456036786,"endHours":25.728913456036786,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:44","end":"02:44","startHours":25.728913456036786,"endHours":26.728913456036786,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:44","end":"03:44","startHours":26.728913456036786,"endHours":27.728913456036786,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:44","end":"04:44","startHours":27.728913456036786,"endHours":28.728913456036786,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:44","end":"05:44","startHours":28.728913456036786,"endHours":29.728913456036786,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:44","end":"06:44","startHours":29.728913456036786,"endHours":30.728913456036786,"planetary_lord":"Venus"}],"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","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Gada","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":-18.301702457845263,"eotMinutes":-12.974632034865841,"ayanamsa":23.2534}},"calendars":{"vikram_samvat":2014,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":1879,"saka_samvatsara":"Hemalambī","bengali_samvat":1364,"malayalam_era":1133,"nanakshahi_year":488,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Trayodaśī · Vikram 2014 Sādhāraṇa · Śaka 1879 Hemalambī"},"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":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 28, 1957 CE · Erode, Tamil Nadu · Vidhyamitra","description":"January 28, 1957 CE for Erode, Tamil Nadu: Kṛṣṇa Trayodaśī, sūryodaya 06:44, sūryāsta 18:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1957-01-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1957-01-28","sa":"https://sa.vidhyamitra.com/city/erode/1957-01-28","hi":"https://hi.vidhyamitra.com/city/erode/1957-01-28","x-default":"https://vidhyamitra.com/city/erode/1957-01-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-20T22:08:12.040Z","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":"2026-05-20T22:08:12.040Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-20T22:08:12.040Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}