{"id":"vidhyamitra:city-day:erode:2026-07-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2026-07-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2026-07-21","date_display":"July 21, 2026 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":2026,"month":7,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461242.770833,"kali_year":5128,"ahargana":1872777.2708,"sun":{"sidereal_longitude":93.5736,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":176.8993,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":83.3258,"elapsed_within_tithi_degrees":11.3258},"nakshatra":{"number":14,"name":"Citrā","pada":2,"moon_longitude":176.8993,"elapsed_within_degrees":3.566},"yoga":{"number":21,"name":"Siddha","sum_longitude":270.4729},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"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":2026,"month":7,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461242.770833,"ahargana":1872777.2708,"kali_year":5128,"ayanamsa_lahiri":24.2239,"grahas":{"sun":{"sidereal_longitude":94.10368399999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"moon":{"sidereal_longitude":179.19318399999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false,"latitude":-3.2163},"mars":{"sidereal_longitude":51.013983999999994,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":81.95478400000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":100.11558400000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"venus":{"sidereal_longitude":137.828984,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":350.549484,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":311.2478,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":131.2478,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"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":2026,"month":7,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461242.770833,"kali_year":5128,"ahargana":1872777.2708,"sun":{"sidereal_longitude":93.5736,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":176.8993,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":83.3258,"elapsed_within_tithi_degrees":11.3258},"nakshatra":{"number":14,"name":"Citrā","pada":2,"moon_longitude":176.8993,"elapsed_within_degrees":3.566},"yoga":{"number":21,"name":"Siddha","sum_longitude":270.4729},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.216,"elongation":83.326},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.216,"opposition_distance":96.674}},"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":"06:04","sunsetLocal":"18:46","solarNoonLocal":"12:25","dayLengthHours":12.694555521710122,"dayLengthDisplay":"12 Hours 41 Mins 40 Secs","nightLengthDisplay":"11 Hours 18 Mins 20 Secs","moonriseLocal":"12:10","moonsetLocal":"00:01","rahuKala":{"name":"Rāhu Kāla","start":"15:36","end":"17:11","startHours":15.593322271015598,"endHours":17.18014171122936,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:15","end":"10:50","startHours":9.246044510160537,"endHours":10.832863950374302,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:25","end":"14:00","startHours":12.419683390588066,"endHours":14.006502830801832,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:02","end":"09:27","startHours":9.0344685847987,"endHours":9.457620435522372,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:36","end":"06:56","startHours":6.601345443137594,"endHours":6.939866923716531,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:00","end":"12:51","startHours":11.996531539864396,"endHours":12.842835241311736,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:23","end":"05:14","startHours":4.379798226838323,"endHours":5.226101928285664,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:01","end":"06:04","startHours":5.014526002923829,"endHours":6.072405629733006,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:32","end":"15:23","startHours":14.53544264420642,"endHours":15.381746345653761,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:34","end":"18:58","startHours":18.566961151443127,"endHours":18.966961151443126,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:46","end":"19:18","startHours":18.766961151443127,"endHours":19.295900964847714,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:31","end":"20:16","startHours":18.516961151443127,"endHours":20.266961151443127,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:00","end":"00:51","startHours":23.996531539864396,"endHours":24.842835241311736,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:04","end":"07:40","startHours":6.072405629733006,"endHours":7.659225069946771,"quality":"inauspicious"},{"name":"Udveg","start":"07:40","end":"09:15","startHours":7.659225069946771,"endHours":9.246044510160537,"quality":"inauspicious"},{"name":"Chala","start":"09:15","end":"10:50","startHours":9.246044510160537,"endHours":10.832863950374302,"quality":"neutral"},{"name":"Labha","start":"10:50","end":"12:25","startHours":10.832863950374302,"endHours":12.419683390588066,"quality":"auspicious"},{"name":"Amṛta","start":"12:25","end":"14:00","startHours":12.419683390588066,"endHours":14.006502830801832,"quality":"auspicious"},{"name":"Kāla","start":"14:00","end":"15:36","startHours":14.006502830801832,"endHours":15.593322271015598,"quality":"inauspicious"},{"name":"Śubha","start":"15:36","end":"17:11","startHours":15.593322271015598,"endHours":17.18014171122936,"quality":"auspicious"},{"name":"Roga","start":"17:11","end":"18:46","startHours":17.18014171122936,"endHours":18.766961151443127,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:46","end":"20:11","startHours":18.766961151443127,"endHours":20.18014171122936,"quality":"inauspicious"},{"name":"Śubha","start":"20:11","end":"21:36","startHours":20.18014171122936,"endHours":21.593322271015595,"quality":"auspicious"},{"name":"Roga","start":"21:36","end":"23:00","startHours":21.593322271015595,"endHours":23.006502830801832,"quality":"inauspicious"},{"name":"Udveg","start":"23:00","end":"00:25","startHours":23.006502830801832,"endHours":24.419683390588066,"quality":"inauspicious"},{"name":"Chala","start":"00:25","end":"01:50","startHours":24.419683390588066,"endHours":25.8328639503743,"quality":"neutral"},{"name":"Labha","start":"01:50","end":"03:15","startHours":25.8328639503743,"endHours":27.246044510160537,"quality":"auspicious"},{"name":"Amṛta","start":"03:15","end":"04:40","startHours":27.246044510160537,"endHours":28.65922506994677,"quality":"auspicious"},{"name":"Kāla","start":"04:40","end":"06:04","startHours":28.65922506994677,"endHours":30.072405629733005,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:04","end":"07:04","startHours":6.072405629733006,"endHours":7.072405629733006,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:04","end":"08:04","startHours":7.072405629733006,"endHours":8.072405629733005,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:04","end":"09:04","startHours":8.072405629733005,"endHours":9.072405629733005,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:04","end":"10:04","startHours":9.072405629733005,"endHours":10.072405629733005,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:04","end":"11:04","startHours":10.072405629733005,"endHours":11.072405629733005,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:04","end":"12:04","startHours":11.072405629733005,"endHours":12.072405629733005,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:04","end":"13:04","startHours":12.072405629733005,"endHours":13.072405629733005,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:04","end":"14:04","startHours":13.072405629733005,"endHours":14.072405629733005,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:04","end":"15:04","startHours":14.072405629733005,"endHours":15.072405629733005,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:04","end":"16:04","startHours":15.072405629733005,"endHours":16.072405629733005,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:04","end":"17:04","startHours":16.072405629733005,"endHours":17.072405629733005,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:04","end":"18:04","startHours":17.072405629733005,"endHours":18.072405629733005,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:04","end":"19:04","startHours":18.072405629733005,"endHours":19.072405629733005,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:04","end":"20:04","startHours":19.072405629733005,"endHours":20.072405629733005,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:04","end":"21:04","startHours":20.072405629733005,"endHours":21.072405629733005,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:04","end":"22:04","startHours":21.072405629733005,"endHours":22.072405629733005,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:04","end":"23:04","startHours":22.072405629733005,"endHours":23.072405629733005,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:04","end":"00:04","startHours":23.072405629733005,"endHours":24.072405629733005,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:04","end":"01:04","startHours":24.072405629733005,"endHours":25.072405629733005,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:04","end":"02:04","startHours":25.072405629733005,"endHours":26.072405629733005,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:04","end":"03:04","startHours":26.072405629733005,"endHours":27.072405629733005,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:04","end":"04:04","startHours":27.072405629733005,"endHours":28.072405629733005,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:04","end":"05:04","startHours":28.072405629733005,"endHours":29.072405629733005,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:04","end":"06:04","startHours":29.072405629733005,"endHours":30.072405629733005,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"North-West","rahuVasa":"North","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"drikRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":20.49365221023443,"eotMinutes":-6.049803435283957,"ayanamsa":24.2239}},"calendars":{"vikram_samvat":2083,"vikram_samvatsara":"Siddhārthī","saka_samvat":1948,"saka_samvatsara":"Parābhava","bengali_samvat":1433,"malayalam_era":1202,"nanakshahi_year":557,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Saptamī · Vikram 2083 Siddhārthī · Śaka 1948 Parābhava"},"festivals":[{"id":"karka-sankranti","name":"Karka Saṅkrānti (Dakṣiṇāyana)","name_sanskrit":"कर्क सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Cancer; Dakṣiṇāyana (south-going) begins. Devatā-rātri begins.","vrata":true,"detection":{"sun_rashi":"Karka"},"precedence":2}],"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 July 21, 2026 CE · Erode, Tamil Nadu · Vidhyamitra","description":"July 21, 2026 CE for Erode, Tamil Nadu: Śukla Saptamī, sūryodaya 06:04, sūryāsta 18:46.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2026-07-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2026-07-21","sa":"https://sa.vidhyamitra.com/city/erode/2026-07-21","hi":"https://hi.vidhyamitra.com/city/erode/2026-07-21","x-default":"https://vidhyamitra.com/city/erode/2026-07-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T22:24:22.409Z","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":"2026-05-14T22:24:22.409Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T22:24:22.409Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}