{"id":"vidhyamitra:city-day:erode:1997-02-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1997-02-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1997-02-15","date_display":"February 15, 1997 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":1997,"month":2,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450494.770833,"kali_year":5098,"ahargana":1862029.2708,"sun":{"sidereal_longitude":302.6881,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":37.4479,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":94.7598,"elapsed_within_tithi_degrees":10.7598},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4,"moon_longitude":37.4479,"elapsed_within_degrees":10.7812},"yoga":{"number":26,"name":"Indra","sum_longitude":340.136},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":1997,"month":2,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450494.770833,"ahargana":1862029.2708,"kali_year":5098,"ayanamsa_lahiri":23.8128,"grahas":{"sun":{"sidereal_longitude":302.581637,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":40.456436999999994,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false,"latitude":-3.7608},"mars":{"sidereal_longitude":161.53933699999993,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":284.888737,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":281.92473700000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"venus":{"sidereal_longitude":291.10583700000007,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":341.195837,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":160.7285,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":340.7285,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","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":1997,"month":2,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450494.770833,"kali_year":5098,"ahargana":1862029.2708,"sun":{"sidereal_longitude":302.6881,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":37.4479,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":94.7598,"elapsed_within_tithi_degrees":10.7598},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4,"moon_longitude":37.4479,"elapsed_within_degrees":10.7812},"yoga":{"number":26,"name":"Indra","sum_longitude":340.136},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.761,"elongation":94.76},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.761,"opposition_distance":85.24}},"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":"06:41","sunsetLocal":"18:27","solarNoonLocal":"12:34","dayLengthHours":11.77031826442257,"dayLengthDisplay":"11 Hours 46 Mins 13 Secs","nightLengthDisplay":"12 Hours 13 Mins 47 Secs","moonriseLocal":"12:45","moonsetLocal":"01:25","rahuKala":{"name":"Rāhu Kāla","start":"09:37","end":"11:05","startHours":9.619124784684356,"endHours":11.090414567737177,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:02","end":"15:30","startHours":14.03299413384282,"endHours":15.504283916895641,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:41","end":"08:09","startHours":6.676545218578712,"endHours":8.147835001631535,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:25","end":"09:49","startHours":9.422952813610646,"endHours":9.815296755758064,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:10","end":"07:29","startHours":7.1669751462629865,"endHours":7.480850299980922,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:10","end":"12:57","startHours":12.16936040864258,"endHours":12.954048292937417,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:06","end":"05:54","startHours":5.107169449989036,"endHours":5.891857334283874,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:42","end":"06:41","startHours":5.695685363210165,"endHours":6.676545218578712,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:31","end":"15:18","startHours":14.523424061527093,"endHours":15.308111945821931,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:15","end":"18:39","startHours":18.246863483001285,"endHours":18.646863483001283,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:27","end":"18:56","startHours":18.446863483001284,"endHours":18.93729341068556,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:12","end":"19:57","startHours":18.196863483001284,"endHours":19.946863483001284,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:10","end":"00:57","startHours":24.16936040864258,"endHours":24.95404829293742,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:41","end":"08:09","startHours":6.676545218578712,"endHours":8.147835001631535,"quality":"inauspicious"},{"name":"Śubha","start":"08:09","end":"09:37","startHours":8.147835001631535,"endHours":9.619124784684356,"quality":"auspicious"},{"name":"Roga","start":"09:37","end":"11:05","startHours":9.619124784684356,"endHours":11.090414567737177,"quality":"inauspicious"},{"name":"Udveg","start":"11:05","end":"12:34","startHours":11.090414567737177,"endHours":12.561704350789999,"quality":"inauspicious"},{"name":"Chala","start":"12:34","end":"14:02","startHours":12.561704350789999,"endHours":14.03299413384282,"quality":"neutral"},{"name":"Labha","start":"14:02","end":"15:30","startHours":14.03299413384282,"endHours":15.504283916895641,"quality":"auspicious"},{"name":"Amṛta","start":"15:30","end":"16:59","startHours":15.504283916895641,"endHours":16.975573699948463,"quality":"auspicious"},{"name":"Kāla","start":"16:59","end":"18:27","startHours":16.975573699948463,"endHours":18.446863483001284,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:27","end":"19:59","startHours":18.446863483001284,"endHours":19.975573699948463,"quality":"auspicious"},{"name":"Amṛta","start":"19:59","end":"21:30","startHours":19.975573699948463,"endHours":21.50428391689564,"quality":"auspicious"},{"name":"Kāla","start":"21:30","end":"23:02","startHours":21.50428391689564,"endHours":23.03299413384282,"quality":"inauspicious"},{"name":"Śubha","start":"23:02","end":"00:34","startHours":23.03299413384282,"endHours":24.56170435079,"quality":"auspicious"},{"name":"Roga","start":"00:34","end":"02:05","startHours":24.56170435079,"endHours":26.090414567737177,"quality":"inauspicious"},{"name":"Udveg","start":"02:05","end":"03:37","startHours":26.090414567737177,"endHours":27.619124784684356,"quality":"inauspicious"},{"name":"Chala","start":"03:37","end":"05:09","startHours":27.619124784684356,"endHours":29.147835001631535,"quality":"neutral"},{"name":"Labha","start":"05:09","end":"06:41","startHours":29.147835001631535,"endHours":30.676545218578713,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:41","end":"07:41","startHours":6.676545218578712,"endHours":7.676545218578712,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:41","end":"08:41","startHours":7.676545218578712,"endHours":8.676545218578713,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:41","end":"09:41","startHours":8.676545218578713,"endHours":9.676545218578713,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:41","end":"10:41","startHours":9.676545218578713,"endHours":10.676545218578713,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:41","end":"11:41","startHours":10.676545218578713,"endHours":11.676545218578713,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:41","end":"12:41","startHours":11.676545218578713,"endHours":12.676545218578713,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:41","end":"13:41","startHours":12.676545218578713,"endHours":13.676545218578713,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:41","end":"14:41","startHours":13.676545218578713,"endHours":14.676545218578713,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:41","end":"15:41","startHours":14.676545218578713,"endHours":15.676545218578713,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:41","end":"16:41","startHours":15.676545218578713,"endHours":16.676545218578713,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:41","end":"17:41","startHours":16.676545218578713,"endHours":17.676545218578713,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:41","end":"18:41","startHours":17.676545218578713,"endHours":18.676545218578713,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:41","end":"19:41","startHours":18.676545218578713,"endHours":19.676545218578713,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:41","end":"20:41","startHours":19.676545218578713,"endHours":20.676545218578713,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:41","end":"21:41","startHours":20.676545218578713,"endHours":21.676545218578713,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:41","end":"22:41","startHours":21.676545218578713,"endHours":22.676545218578713,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:41","end":"23:41","startHours":22.676545218578713,"endHours":23.676545218578713,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:41","end":"00:41","startHours":23.676545218578713,"endHours":24.676545218578713,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:41","end":"01:41","startHours":24.676545218578713,"endHours":25.676545218578713,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:41","end":"02:41","startHours":25.676545218578713,"endHours":26.676545218578713,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:41","end":"03:41","startHours":26.676545218578713,"endHours":27.676545218578713,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:41","end":"04:41","startHours":27.676545218578713,"endHours":28.676545218578713,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:41","end":"05:41","startHours":28.676545218578713,"endHours":29.676545218578713,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:41","end":"06:41","startHours":29.676545218578713,"endHours":30.676545218578713,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"drikRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-12.716900445828443,"eotMinutes":-14.571061047399978,"ayanamsa":23.8128}},"calendars":{"vikram_samvat":2054,"vikram_samvatsara":"Vikṛti","saka_samvat":1919,"saka_samvatsara":"Īśvara","bengali_samvat":1404,"malayalam_era":1173,"nanakshahi_year":528,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Aṣṭamī · Vikram 2054 Vikṛti · Śaka 1919 Īśvara"},"festivals":[{"id":"kumbha-sankranti","name":"Kumbha Saṅkrānti","name_sanskrit":"कुम्भ सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aquarius; Kumbha-māsa begins.","vrata":false,"detection":{"sun_rashi":"Kumbha"},"precedence":5}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī + Kṛttikā","url":"/day/-3137-12-25","relevance":1},{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","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 February 15, 1997 CE · Erode, Tamil Nadu · Vidhyamitra","description":"February 15, 1997 CE for Erode, Tamil Nadu: Śukla Aṣṭamī, sūryodaya 06:41, sūryāsta 18:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1997-02-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1997-02-15","sa":"https://sa.vidhyamitra.com/city/erode/1997-02-15","hi":"https://hi.vidhyamitra.com/city/erode/1997-02-15","x-default":"https://vidhyamitra.com/city/erode/1997-02-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T05:18:29.322Z","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":"2026-05-17T05:18:29.322Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T05:18:29.322Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}