{"id":"vidhyamitra:city-day:erode:2021-02-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2021-02-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2021-02-23","date_display":"February 23, 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":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459268.770833,"kali_year":5122,"ahargana":1870803.2708,"sun":{"sidereal_longitude":310.577,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":77.3359,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":126.7589,"elapsed_within_tithi_degrees":6.7589},"nakshatra":{"number":6,"name":"Ārdrā","pada":4,"moon_longitude":77.3359,"elapsed_within_degrees":10.6692},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":27.9128},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2459268.770833,"ahargana":1870803.2708,"kali_year":5122,"ayanamsa_lahiri":24.1484,"grahas":{"sun":{"sidereal_longitude":310.492606,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":76.77340600000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false,"latitude":1.6475},"mars":{"sidereal_longitude":30.367706,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":286.78370600000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":291.090006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"venus":{"sidereal_longitude":302.462806,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":283.67900599999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":55.8398,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":235.8398,"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":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459268.770833,"kali_year":5122,"ahargana":1870803.2708,"sun":{"sidereal_longitude":310.577,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":77.3359,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":126.7589,"elapsed_within_tithi_degrees":6.7589},"nakshatra":{"number":6,"name":"Ārdrā","pada":4,"moon_longitude":77.3359,"elapsed_within_degrees":10.6692},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":27.9128},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.648,"elongation":126.759},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.648,"opposition_distance":53.241}},"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":"06:38","sunsetLocal":"18:29","solarNoonLocal":"12:33","dayLengthHours":11.850073043828152,"dayLengthDisplay":"11 Hours 51 Mins 00 Secs","nightLengthDisplay":"12 Hours 09 Mins 00 Secs","moonriseLocal":"14:36","moonsetLocal":"03:20","rahuKala":{"name":"Rāhu Kāla","start":"15:31","end":"17:00","startHours":15.514176543614761,"endHours":16.99543567409328,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:35","end":"11:04","startHours":9.589140021700686,"endHours":11.070399152179204,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:33","end":"14:02","startHours":12.551658282657723,"endHours":14.032917413136243,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:23","end":"09:47","startHours":9.39163880430355,"endHours":9.786641239097822,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:07","end":"07:26","startHours":7.120374804236487,"endHours":7.436376752071904,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:57","startHours":12.156655847863451,"endHours":12.946660717451994,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:03","end":"05:50","startHours":5.046612021566561,"endHours":5.836616891155105,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:38","end":"06:38","startHours":5.639115673757969,"endHours":6.626621760743648,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:32","end":"15:19","startHours":14.526670456629082,"endHours":15.316675326217625,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:17","end":"18:41","startHours":18.2766948045718,"endHours":18.6766948045718,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:29","end":"18:58","startHours":18.4766948045718,"endHours":18.97044784806464,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:14","end":"19:59","startHours":18.2266948045718,"endHours":19.9766948045718,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:57","startHours":24.15665584786345,"endHours":24.946660717451994,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:38","end":"08:06","startHours":6.626621760743648,"endHours":8.107880891222166,"quality":"inauspicious"},{"name":"Udveg","start":"08:06","end":"09:35","startHours":8.107880891222166,"endHours":9.589140021700686,"quality":"inauspicious"},{"name":"Chala","start":"09:35","end":"11:04","startHours":9.589140021700686,"endHours":11.070399152179204,"quality":"neutral"},{"name":"Labha","start":"11:04","end":"12:33","startHours":11.070399152179204,"endHours":12.551658282657723,"quality":"auspicious"},{"name":"Amṛta","start":"12:33","end":"14:02","startHours":12.551658282657723,"endHours":14.032917413136243,"quality":"auspicious"},{"name":"Kāla","start":"14:02","end":"15:31","startHours":14.032917413136243,"endHours":15.514176543614761,"quality":"inauspicious"},{"name":"Śubha","start":"15:31","end":"17:00","startHours":15.514176543614761,"endHours":16.99543567409328,"quality":"auspicious"},{"name":"Roga","start":"17:00","end":"18:29","startHours":16.99543567409328,"endHours":18.4766948045718,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:29","end":"20:00","startHours":18.4766948045718,"endHours":19.99543567409328,"quality":"inauspicious"},{"name":"Śubha","start":"20:00","end":"21:31","startHours":19.99543567409328,"endHours":21.514176543614763,"quality":"auspicious"},{"name":"Roga","start":"21:31","end":"23:02","startHours":21.514176543614763,"endHours":23.032917413136243,"quality":"inauspicious"},{"name":"Udveg","start":"23:02","end":"00:33","startHours":23.032917413136243,"endHours":24.551658282657723,"quality":"inauspicious"},{"name":"Chala","start":"00:33","end":"02:04","startHours":24.551658282657723,"endHours":26.070399152179206,"quality":"neutral"},{"name":"Labha","start":"02:04","end":"03:35","startHours":26.070399152179206,"endHours":27.589140021700686,"quality":"auspicious"},{"name":"Amṛta","start":"03:35","end":"05:06","startHours":27.589140021700686,"endHours":29.107880891222166,"quality":"auspicious"},{"name":"Kāla","start":"05:06","end":"06:38","startHours":29.107880891222166,"endHours":30.626621760743646,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:38","end":"07:38","startHours":6.626621760743648,"endHours":7.626621760743648,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:38","end":"08:38","startHours":7.626621760743648,"endHours":8.626621760743648,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:38","end":"09:38","startHours":8.626621760743648,"endHours":9.626621760743648,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:38","end":"10:38","startHours":9.626621760743648,"endHours":10.626621760743648,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:38","end":"11:38","startHours":10.626621760743648,"endHours":11.626621760743648,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:38","end":"12:38","startHours":11.626621760743648,"endHours":12.626621760743648,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:38","end":"13:38","startHours":12.626621760743648,"endHours":13.626621760743648,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:38","end":"14:38","startHours":13.626621760743648,"endHours":14.626621760743648,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:38","end":"15:38","startHours":14.626621760743648,"endHours":15.626621760743648,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:38","end":"16:38","startHours":15.626621760743648,"endHours":16.626621760743646,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:38","end":"17:38","startHours":16.626621760743646,"endHours":17.626621760743646,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:38","end":"18:38","startHours":17.626621760743646,"endHours":18.626621760743646,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:38","end":"19:38","startHours":18.626621760743646,"endHours":19.626621760743646,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:38","end":"20:38","startHours":19.626621760743646,"endHours":20.626621760743646,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:38","end":"21:38","startHours":20.626621760743646,"endHours":21.626621760743646,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:38","end":"22:38","startHours":21.626621760743646,"endHours":22.626621760743646,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:38","end":"23:38","startHours":22.626621760743646,"endHours":23.626621760743646,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:38","end":"00:38","startHours":23.626621760743646,"endHours":24.626621760743646,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:38","end":"01:38","startHours":24.626621760743646,"endHours":25.626621760743646,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:38","end":"02:38","startHours":25.626621760743646,"endHours":26.626621760743646,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:38","end":"03:38","startHours":26.626621760743646,"endHours":27.626621760743646,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:38","end":"04:38","startHours":27.626621760743646,"endHours":28.626621760743646,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:38","end":"05:38","startHours":28.626621760743646,"endHours":29.626621760743646,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:38","end":"06:38","startHours":29.626621760743646,"endHours":30.626621760743646,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"North","anandadiYoga":{"name":"Padma","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":-9.807834813263188,"eotMinutes":-13.968296959463448,"ayanamsa":24.1484}},"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 Ekādaśī · Vikram 2078 Ānanda · Śaka 1943 Plava"},"festivals":[{"id":"amalaki-ekadashi","name":"Āmalakī Ekādaśī","name_sanskrit":"आमलकी एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu (in Āmalakī tree)","significance":"Worship of Āmalakī (Indian gooseberry, sacred to Viṣṇu).","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Phālguna"},"precedence":4},{"id":"rangbhari-ekadashi","name":"Raṅgbhari Ekādaśī","name_sanskrit":"रङ्गभरी एकादशी","tradition":"Shaiva","associated_deity":"Śiva-Pārvatī","significance":"Kāśī tradition: Śiva brings Pārvatī home; rang-utsava begins.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Phālguna"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5},{"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":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 February 23, 2021 CE · Erode, Tamil Nadu · Vidhyamitra","description":"February 23, 2021 CE for Erode, Tamil Nadu: Śukla Ekādaśī, sūryodaya 06:38, sūryāsta 18:29.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2021-02-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2021-02-23","sa":"https://sa.vidhyamitra.com/city/erode/2021-02-23","hi":"https://hi.vidhyamitra.com/city/erode/2021-02-23","x-default":"https://vidhyamitra.com/city/erode/2021-02-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T15:40:10.132Z","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":"2026-05-15T15:40:10.132Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T15:40:10.132Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}