{"id":"vidhyamitra:city-day:erode:2021-02-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2021-02-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2021-02-20","date_display":"February 20, 2021 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":2021,"month":2,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459265.770833,"kali_year":5122,"ahargana":1870800.2708,"sun":{"sidereal_longitude":307.543,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":41.7127,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":94.1697,"elapsed_within_tithi_degrees":10.1697},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":41.7127,"elapsed_within_degrees":1.7127},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":349.2558},"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":2021,"month":2,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2459265.770833,"ahargana":1870800.2708,"kali_year":5122,"ayanamsa_lahiri":24.1483,"grahas":{"sun":{"sidereal_longitude":307.4705200000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":40.23892000000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false,"latitude":-1.1094},"mars":{"sidereal_longitude":28.66192000000001,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":286.61242000000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":290.39482,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"venus":{"sidereal_longitude":298.71101999999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":283.34432000000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":55.9987,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":235.9987,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","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":2021,"month":2,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459265.770833,"kali_year":5122,"ahargana":1870800.2708,"sun":{"sidereal_longitude":307.543,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":41.7127,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":94.1697,"elapsed_within_tithi_degrees":10.1697},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":41.7127,"elapsed_within_degrees":1.7127},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":349.2558},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.109,"elongation":94.17},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.109,"opposition_distance":85.83}},"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":"06:39","sunsetLocal":"18:28","solarNoonLocal":"12:33","dayLengthHours":11.820347228341333,"dayLengthDisplay":"11 Hours 49 Mins 13 Secs","nightLengthDisplay":"12 Hours 10 Mins 47 Secs","moonriseLocal":"12:24","moonsetLocal":"01:05","rahuKala":{"name":"Rāhu Kāla","start":"09:36","end":"11:05","startHours":9.60182227699337,"endHours":11.079365680536036,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:02","end":"15:31","startHours":14.034452487621369,"endHours":15.511995891164037,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:39","end":"08:07","startHours":6.6467354699080365,"endHours":8.124278873450702,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:24","end":"09:48","startHours":9.404816489854348,"endHours":9.798828064132392,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:08","end":"07:27","startHours":7.139249937755592,"endHours":7.454459197178028,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:10","end":"12:57","startHours":12.16289750980066,"endHours":12.950920658356749,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:04","end":"05:52","startHours":5.070689172795859,"endHours":5.858712321351947,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:40","end":"06:39","startHours":5.661706534212925,"endHours":6.6467354699080365,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:32","end":"15:19","startHours":14.526966955468925,"endHours":15.314990104025014,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:16","end":"18:40","startHours":18.26708269824937,"endHours":18.66708269824937,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:28","end":"18:58","startHours":18.46708269824937,"endHours":18.959597166096927,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:13","end":"19:58","startHours":18.21708269824937,"endHours":19.96708269824937,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:10","end":"00:57","startHours":24.16289750980066,"endHours":24.950920658356747,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:39","end":"08:07","startHours":6.6467354699080365,"endHours":8.124278873450702,"quality":"inauspicious"},{"name":"Śubha","start":"08:07","end":"09:36","startHours":8.124278873450702,"endHours":9.60182227699337,"quality":"auspicious"},{"name":"Roga","start":"09:36","end":"11:05","startHours":9.60182227699337,"endHours":11.079365680536036,"quality":"inauspicious"},{"name":"Udveg","start":"11:05","end":"12:33","startHours":11.079365680536036,"endHours":12.556909084078704,"quality":"inauspicious"},{"name":"Chala","start":"12:33","end":"14:02","startHours":12.556909084078704,"endHours":14.034452487621369,"quality":"neutral"},{"name":"Labha","start":"14:02","end":"15:31","startHours":14.034452487621369,"endHours":15.511995891164037,"quality":"auspicious"},{"name":"Amṛta","start":"15:31","end":"16:59","startHours":15.511995891164037,"endHours":16.989539294706702,"quality":"auspicious"},{"name":"Kāla","start":"16:59","end":"18:28","startHours":16.989539294706702,"endHours":18.46708269824937,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:28","end":"19:59","startHours":18.46708269824937,"endHours":19.989539294706702,"quality":"auspicious"},{"name":"Amṛta","start":"19:59","end":"21:31","startHours":19.989539294706702,"endHours":21.511995891164037,"quality":"auspicious"},{"name":"Kāla","start":"21:31","end":"23:02","startHours":21.511995891164037,"endHours":23.034452487621373,"quality":"inauspicious"},{"name":"Śubha","start":"23:02","end":"00:33","startHours":23.034452487621373,"endHours":24.556909084078704,"quality":"auspicious"},{"name":"Roga","start":"00:33","end":"02:05","startHours":24.556909084078704,"endHours":26.079365680536036,"quality":"inauspicious"},{"name":"Udveg","start":"02:05","end":"03:36","startHours":26.079365680536036,"endHours":27.60182227699337,"quality":"inauspicious"},{"name":"Chala","start":"03:36","end":"05:07","startHours":27.60182227699337,"endHours":29.124278873450706,"quality":"neutral"},{"name":"Labha","start":"05:07","end":"06:39","startHours":29.124278873450706,"endHours":30.646735469908037,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:39","end":"07:39","startHours":6.6467354699080365,"endHours":7.6467354699080365,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:39","end":"08:39","startHours":7.6467354699080365,"endHours":8.646735469908037,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:39","end":"09:39","startHours":8.646735469908037,"endHours":9.646735469908037,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:39","end":"10:39","startHours":9.646735469908037,"endHours":10.646735469908037,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:39","end":"11:39","startHours":10.646735469908037,"endHours":11.646735469908037,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:39","end":"12:39","startHours":11.646735469908037,"endHours":12.646735469908037,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:39","end":"13:39","startHours":12.646735469908037,"endHours":13.646735469908037,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:39","end":"14:39","startHours":13.646735469908037,"endHours":14.646735469908037,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:39","end":"15:39","startHours":14.646735469908037,"endHours":15.646735469908037,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:39","end":"16:39","startHours":15.646735469908037,"endHours":16.646735469908037,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:39","end":"17:39","startHours":16.646735469908037,"endHours":17.646735469908037,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:39","end":"18:39","startHours":17.646735469908037,"endHours":18.646735469908037,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:39","end":"19:39","startHours":18.646735469908037,"endHours":19.646735469908037,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:39","end":"20:39","startHours":19.646735469908037,"endHours":20.646735469908037,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:39","end":"21:39","startHours":20.646735469908037,"endHours":21.646735469908037,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:39","end":"22:39","startHours":21.646735469908037,"endHours":22.646735469908037,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:39","end":"23:39","startHours":22.646735469908037,"endHours":23.646735469908037,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:39","end":"00:39","startHours":23.646735469908037,"endHours":24.646735469908037,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:39","end":"01:39","startHours":24.646735469908037,"endHours":25.646735469908037,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:39","end":"02:39","startHours":25.646735469908037,"endHours":26.646735469908037,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:39","end":"03:39","startHours":26.646735469908037,"endHours":27.646735469908037,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:39","end":"04:39","startHours":27.646735469908037,"endHours":28.646735469908037,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:39","end":"05:39","startHours":28.646735469908037,"endHours":29.646735469908037,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:39","end":"06:39","startHours":29.646735469908037,"endHours":30.646735469908037,"planetary_lord":"Mercury"}],"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":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-10.897713545289434,"eotMinutes":-14.28334504472219,"ayanamsa":24.1483}},"calendars":{"vikram_samvat":2078,"vikram_samvatsara":"Ānanda","saka_samvat":1943,"saka_samvatsara":"Plava","bengali_samvat":1428,"malayalam_era":1197,"nanakshahi_year":552,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Aṣṭamī · Vikram 2078 Ānanda · Śaka 1943 Plava"},"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":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","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 20, 2021 CE · Erode, Tamil Nadu · Vidhyamitra","description":"February 20, 2021 CE for Erode, Tamil Nadu: Śukla Aṣṭamī, sūryodaya 06:39, sūryāsta 18:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2021-02-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2021-02-20","sa":"https://sa.vidhyamitra.com/city/erode/2021-02-20","hi":"https://hi.vidhyamitra.com/city/erode/2021-02-20","x-default":"https://vidhyamitra.com/city/erode/2021-02-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T02:38:09.513Z","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":"2026-05-15T02:38:09.513Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T02:38:09.513Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}