{"id":"vidhyamitra:city-day:erode:2017-02-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2017-02-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2017-02-18","date_display":"February 18, 2017 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":2017,"month":2,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457802.770833,"kali_year":5118,"ahargana":1869337.2708,"sun":{"sidereal_longitude":305.5529,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":207.7858,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":262.2329,"elapsed_within_tithi_degrees":10.2329},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":207.7858,"elapsed_within_degrees":7.7858},"yoga":{"number":12,"name":"Dhruva","sum_longitude":153.3388},"karana":{"half_tithi_index":43,"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":2017,"month":2,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457802.770833,"ahargana":1869337.2708,"kali_year":5118,"ayanamsa_lahiri":24.0923,"grahas":{"sun":{"sidereal_longitude":305.47921700000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":207.07021699999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false,"latitude":4.3312},"mars":{"sidereal_longitude":351.076017,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":292.30161699999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":178.348617,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":345.111417,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":true},"saturn":{"sidereal_longitude":241.736717,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":133.5155,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":313.5155,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":2017,"month":2,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457802.770833,"kali_year":5118,"ahargana":1869337.2708,"sun":{"sidereal_longitude":305.5529,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":207.7858,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":262.2329,"elapsed_within_tithi_degrees":10.2329},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":207.7858,"elapsed_within_degrees":7.7858},"yoga":{"number":12,"name":"Dhruva","sum_longitude":153.3388},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.331,"elongation":97.767},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.331,"opposition_distance":82.233}},"eclipse_window_40days":[{"offset_days":-7,"type":"lunar","occurs":true,"moon_latitude":-1.052,"opposition_distance":1.908}]},"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":"06:40","sunsetLocal":"18:28","solarNoonLocal":"12:34","dayLengthHours":11.800523070473917,"dayLengthDisplay":"11 Hours 48 Mins 02 Secs","nightLengthDisplay":"12 Hours 11 Mins 58 Secs","moonriseLocal":"00:12","moonsetLocal":"11:47","rahuKala":{"name":"Rāhu Kāla","start":"09:37","end":"11:05","startHours":9.609303835921525,"endHours":11.084369219730764,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:02","end":"15:31","startHours":14.034499987349243,"endHours":15.509565371158484,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:40","end":"08:08","startHours":6.659173068303046,"endHours":8.134238452112285,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:25","end":"09:48","startHours":9.412628451413626,"endHours":9.805979220429425,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:09","end":"07:28","startHours":7.150861529572793,"endHours":7.465542144785431,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:10","end":"12:57","startHours":12.166083834524208,"endHours":12.952785372555802,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:05","end":"05:52","startHours":5.085769992239857,"endHours":5.872471530271452,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:41","end":"06:40","startHours":5.675796145763552,"endHours":6.659173068303046,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:32","end":"15:19","startHours":14.52618844861899,"endHours":15.312889986650585,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:16","end":"18:40","startHours":18.259696138776963,"endHours":18.65969613877696,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:28","end":"18:57","startHours":18.459696138776962,"endHours":18.95138460004671,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:13","end":"19:58","startHours":18.209696138776962,"endHours":19.959696138776962,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:10","end":"00:57","startHours":24.16608383452421,"endHours":24.9527853725558,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:40","end":"08:08","startHours":6.659173068303046,"endHours":8.134238452112285,"quality":"inauspicious"},{"name":"Śubha","start":"08:08","end":"09:37","startHours":8.134238452112285,"endHours":9.609303835921525,"quality":"auspicious"},{"name":"Roga","start":"09:37","end":"11:05","startHours":9.609303835921525,"endHours":11.084369219730764,"quality":"inauspicious"},{"name":"Udveg","start":"11:05","end":"12:34","startHours":11.084369219730764,"endHours":12.559434603540005,"quality":"inauspicious"},{"name":"Chala","start":"12:34","end":"14:02","startHours":12.559434603540005,"endHours":14.034499987349243,"quality":"neutral"},{"name":"Labha","start":"14:02","end":"15:31","startHours":14.034499987349243,"endHours":15.509565371158484,"quality":"auspicious"},{"name":"Amṛta","start":"15:31","end":"16:59","startHours":15.509565371158484,"endHours":16.984630754967725,"quality":"auspicious"},{"name":"Kāla","start":"16:59","end":"18:28","startHours":16.984630754967725,"endHours":18.459696138776962,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:28","end":"19:59","startHours":18.459696138776962,"endHours":19.98463075496772,"quality":"auspicious"},{"name":"Amṛta","start":"19:59","end":"21:31","startHours":19.98463075496772,"endHours":21.509565371158484,"quality":"auspicious"},{"name":"Kāla","start":"21:31","end":"23:02","startHours":21.509565371158484,"endHours":23.034499987349243,"quality":"inauspicious"},{"name":"Śubha","start":"23:02","end":"00:34","startHours":23.034499987349243,"endHours":24.559434603540005,"quality":"auspicious"},{"name":"Roga","start":"00:34","end":"02:05","startHours":24.559434603540005,"endHours":26.084369219730764,"quality":"inauspicious"},{"name":"Udveg","start":"02:05","end":"03:37","startHours":26.084369219730764,"endHours":27.609303835921523,"quality":"inauspicious"},{"name":"Chala","start":"03:37","end":"05:08","startHours":27.609303835921523,"endHours":29.134238452112285,"quality":"neutral"},{"name":"Labha","start":"05:08","end":"06:40","startHours":29.134238452112285,"endHours":30.659173068303048,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:40","end":"07:40","startHours":6.659173068303046,"endHours":7.659173068303046,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:40","end":"08:40","startHours":7.659173068303046,"endHours":8.659173068303046,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:40","end":"09:40","startHours":8.659173068303046,"endHours":9.659173068303046,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:40","end":"10:40","startHours":9.659173068303046,"endHours":10.659173068303046,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:40","end":"11:40","startHours":10.659173068303046,"endHours":11.659173068303046,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:40","end":"12:40","startHours":11.659173068303046,"endHours":12.659173068303046,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:40","end":"13:40","startHours":12.659173068303046,"endHours":13.659173068303046,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:40","end":"14:40","startHours":13.659173068303046,"endHours":14.659173068303046,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:40","end":"15:40","startHours":14.659173068303046,"endHours":15.659173068303046,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:40","end":"16:40","startHours":15.659173068303046,"endHours":16.659173068303048,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:40","end":"17:40","startHours":16.659173068303048,"endHours":17.659173068303048,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:40","end":"18:40","startHours":17.659173068303048,"endHours":18.659173068303048,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:40","end":"19:40","startHours":18.659173068303048,"endHours":19.659173068303048,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:40","end":"20:40","startHours":19.659173068303048,"endHours":20.659173068303048,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:40","end":"21:40","startHours":20.659173068303048,"endHours":21.659173068303048,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:40","end":"22:40","startHours":21.659173068303048,"endHours":22.659173068303048,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:40","end":"23:40","startHours":22.659173068303048,"endHours":23.659173068303048,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:40","end":"00:40","startHours":23.659173068303048,"endHours":24.659173068303048,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:40","end":"01:40","startHours":24.659173068303048,"endHours":25.659173068303048,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:40","end":"02:40","startHours":25.659173068303048,"endHours":26.659173068303048,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:40","end":"03:40","startHours":26.659173068303048,"endHours":27.659173068303048,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:40","end":"04:40","startHours":27.659173068303048,"endHours":28.659173068303048,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:40","end":"05:40","startHours":28.659173068303048,"endHours":29.659173068303048,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:40","end":"06:40","startHours":29.659173068303048,"endHours":30.659173068303048,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"North","rahuVasa":"East","anandadiYoga":{"name":"Maitra","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":-11.620978148559416,"eotMinutes":-14.434876212400278,"ayanamsa":24.0923}},"calendars":{"vikram_samvat":2074,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":1939,"saka_samvatsara":"Hemalambī","bengali_samvat":1424,"malayalam_era":1193,"nanakshahi_year":548,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Saptamī · Vikram 2074 Sādhāraṇa · Śaka 1939 Hemalambī"},"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":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","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 February 18, 2017 CE · Erode, Tamil Nadu · Vidhyamitra","description":"February 18, 2017 CE for Erode, Tamil Nadu: Kṛṣṇa Saptamī, sūryodaya 06:40, sūryāsta 18:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2017-02-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2017-02-18","sa":"https://sa.vidhyamitra.com/city/erode/2017-02-18","hi":"https://hi.vidhyamitra.com/city/erode/2017-02-18","x-default":"https://vidhyamitra.com/city/erode/2017-02-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T04:50:45.096Z","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":"2026-05-15T04:50:45.096Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T04:50:45.096Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}