{"id":"vidhyamitra:city-day:erode:2013-01-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2013-01-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2013-01-27","date_display":"January 27, 2013 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":2013,"month":1,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456319.770833,"kali_year":5114,"ahargana":1867854.2708,"sun":{"sidereal_longitude":283.1731,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":101.24,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":178.0669,"elapsed_within_tithi_degrees":10.0669},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":101.24,"elapsed_within_degrees":7.9067},"yoga":{"number":2,"name":"Prīti","sum_longitude":24.4131},"karana":{"half_tithi_index":29,"name":"Bava"},"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":2013,"month":1,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456319.770833,"ahargana":1867854.2708,"kali_year":5114,"ayanamsa_lahiri":24.0356,"grahas":{"sun":{"sidereal_longitude":283.2210789999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"moon":{"sidereal_longitude":101.46217899999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false,"latitude":-4.2047},"mars":{"sidereal_longitude":301.04937900000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":289.033779,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":41.897779000000014,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":true},"venus":{"sidereal_longitude":268.1932790000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":196.78027900000006,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":212.092,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":32.092,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","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":2013,"month":1,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456319.770833,"kali_year":5114,"ahargana":1867854.2708,"sun":{"sidereal_longitude":283.1731,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":101.24,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":178.0669,"elapsed_within_tithi_degrees":10.0669},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":101.24,"elapsed_within_degrees":7.9067},"yoga":{"number":2,"name":"Prīti","sum_longitude":24.4131},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.205,"elongation":178.067},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.205,"opposition_distance":1.933}},"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":11.60790174549983,"dayLengthDisplay":"11 Hours 36 Mins 28 Secs","nightLengthDisplay":"12 Hours 23 Mins 32 Secs","moonriseLocal":"18:07","moonsetLocal":"06:43","rahuKala":{"name":"Rāhu Kāla","start":"16:53","end":"18:20","startHours":16.884563246343752,"endHours":18.335550964531233,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:32","end":"13:59","startHours":12.531600091781318,"endHours":13.982587809968795,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:26","end":"16:53","startHours":15.433575528156275,"endHours":16.884563246343752,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:26","end":"09:49","startHours":9.436159626314694,"endHours":9.823089684498022,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:13","end":"07:31","startHours":7.211311791760561,"endHours":7.520855838307224,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:55","startHours":12.14467003359799,"endHours":12.918530149964646,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:11","end":"05:57","startHours":5.179928986298091,"endHours":5.9537891026647465,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:46","end":"06:44","startHours":5.7603240735730825,"endHours":6.7276492190314015,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:14","startHours":14.466250382697956,"endHours":15.240110499064611,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:08","end":"18:32","startHours":18.135550964531234,"endHours":18.535550964531232,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:20","end":"18:49","startHours":18.335550964531233,"endHours":18.819213537260392,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:05","end":"19:50","startHours":18.085550964531233,"endHours":19.835550964531233,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:55","startHours":24.14467003359799,"endHours":24.918530149964646,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:44","end":"08:11","startHours":6.7276492190314015,"endHours":8.17863693721888,"quality":"inauspicious"},{"name":"Chala","start":"08:11","end":"09:38","startHours":8.17863693721888,"endHours":9.62962465540636,"quality":"neutral"},{"name":"Labha","start":"09:38","end":"11:05","startHours":9.62962465540636,"endHours":11.080612373593837,"quality":"auspicious"},{"name":"Amṛta","start":"11:05","end":"12:32","startHours":11.080612373593837,"endHours":12.531600091781318,"quality":"auspicious"},{"name":"Kāla","start":"12:32","end":"13:59","startHours":12.531600091781318,"endHours":13.982587809968795,"quality":"inauspicious"},{"name":"Śubha","start":"13:59","end":"15:26","startHours":13.982587809968795,"endHours":15.433575528156275,"quality":"auspicious"},{"name":"Roga","start":"15:26","end":"16:53","startHours":15.433575528156275,"endHours":16.884563246343752,"quality":"inauspicious"},{"name":"Udveg","start":"16:53","end":"18:20","startHours":16.884563246343752,"endHours":18.335550964531233,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:20","end":"19:53","startHours":18.335550964531233,"endHours":19.884563246343752,"quality":"auspicious"},{"name":"Roga","start":"19:53","end":"21:26","startHours":19.884563246343752,"endHours":21.433575528156275,"quality":"inauspicious"},{"name":"Udveg","start":"21:26","end":"22:59","startHours":21.433575528156275,"endHours":22.9825878099688,"quality":"inauspicious"},{"name":"Chala","start":"22:59","end":"00:32","startHours":22.9825878099688,"endHours":24.531600091781318,"quality":"neutral"},{"name":"Labha","start":"00:32","end":"02:05","startHours":24.531600091781318,"endHours":26.080612373593837,"quality":"auspicious"},{"name":"Amṛta","start":"02:05","end":"03:38","startHours":26.080612373593837,"endHours":27.62962465540636,"quality":"auspicious"},{"name":"Kāla","start":"03:38","end":"05:11","startHours":27.62962465540636,"endHours":29.178636937218883,"quality":"inauspicious"},{"name":"Śubha","start":"05:11","end":"06:44","startHours":29.178636937218883,"endHours":30.727649219031402,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:44","end":"07:44","startHours":6.7276492190314015,"endHours":7.7276492190314015,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:44","end":"08:44","startHours":7.7276492190314015,"endHours":8.727649219031402,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:44","end":"09:44","startHours":8.727649219031402,"endHours":9.727649219031402,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:44","end":"10:44","startHours":9.727649219031402,"endHours":10.727649219031402,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:44","end":"11:44","startHours":10.727649219031402,"endHours":11.727649219031402,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:44","end":"12:44","startHours":11.727649219031402,"endHours":12.727649219031402,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:44","end":"13:44","startHours":12.727649219031402,"endHours":13.727649219031402,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:44","end":"14:44","startHours":13.727649219031402,"endHours":14.727649219031402,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:44","end":"15:44","startHours":14.727649219031402,"endHours":15.727649219031402,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:44","end":"16:44","startHours":15.727649219031402,"endHours":16.727649219031402,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:44","end":"17:44","startHours":16.727649219031402,"endHours":17.727649219031402,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:44","end":"18:44","startHours":17.727649219031402,"endHours":18.727649219031402,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:44","end":"19:44","startHours":18.727649219031402,"endHours":19.727649219031402,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:44","end":"20:44","startHours":19.727649219031402,"endHours":20.727649219031402,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:44","end":"21:44","startHours":20.727649219031402,"endHours":21.727649219031402,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:44","end":"22:44","startHours":21.727649219031402,"endHours":22.727649219031402,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:44","end":"23:44","startHours":22.727649219031402,"endHours":23.727649219031402,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:44","end":"00:44","startHours":23.727649219031402,"endHours":24.727649219031402,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:44","end":"01:44","startHours":24.727649219031402,"endHours":25.727649219031402,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:44","end":"02:44","startHours":25.727649219031402,"endHours":26.727649219031402,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:44","end":"03:44","startHours":26.727649219031402,"endHours":27.727649219031402,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:44","end":"04:44","startHours":27.727649219031402,"endHours":28.727649219031402,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:44","end":"05:44","startHours":28.727649219031402,"endHours":29.727649219031402,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:44","end":"06:44","startHours":29.727649219031402,"endHours":30.727649219031402,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Śrīvatsa","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":-18.45548458671913,"eotMinutes":-12.76480550687915,"ayanamsa":24.0356}},"calendars":{"vikram_samvat":2070,"vikram_samvatsara":"Parābhava","saka_samvat":1935,"saka_samvatsara":"Vijaya","bengali_samvat":1420,"malayalam_era":1189,"nanakshahi_year":544,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Pūrṇimā · Vikram 2070 Parābhava · Śaka 1935 Vijaya"},"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":"magha-purnima","name":"Māghī Pūrṇimā","name_sanskrit":"माघी पूर्णिमा","tradition":"Pan-Hindu","significance":"Sacred snāna at Prayāga; Māgha-snāna culmination.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":2},{"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":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","url":"/day/-0562-04-11","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 27, 2013 CE · Erode, Tamil Nadu · Vidhyamitra","description":"January 27, 2013 CE for Erode, Tamil Nadu: Śukla Pūrṇimā, sūryodaya 06:44, sūryāsta 18:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2013-01-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2013-01-27","sa":"https://sa.vidhyamitra.com/city/erode/2013-01-27","hi":"https://hi.vidhyamitra.com/city/erode/2013-01-27","x-default":"https://vidhyamitra.com/city/erode/2013-01-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T20:12:57.015Z","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":"2026-05-15T20:12:57.015Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T20:12:57.015Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}