{"id":"vidhyamitra:city-day:erode:2026-04-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2026-04-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2026-04-09","date_display":"April 9, 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":4,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461139.770833,"kali_year":5127,"ahargana":1872674.2708,"sun":{"sidereal_longitude":355.079,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":254.9505,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":259.8715,"elapsed_within_tithi_degrees":7.8715},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1,"moon_longitude":254.9505,"elapsed_within_degrees":1.6172},"yoga":{"number":19,"name":"Parigha","sum_longitude":250.0295},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":4,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461139.770833,"ahargana":1872674.2708,"kali_year":5127,"ayanamsa_lahiri":24.22,"grahas":{"sun":{"sidereal_longitude":354.99012,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":252.20232,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false,"latitude":-3.9633},"mars":{"sidereal_longitude":334.76532,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":327.43912,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":82.00422000000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"venus":{"sidereal_longitude":16.96392000000003,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":342.40652,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":316.7052,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":136.7052,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"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":4,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461139.770833,"kali_year":5127,"ahargana":1872674.2708,"sun":{"sidereal_longitude":355.079,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":254.9505,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":259.8715,"elapsed_within_tithi_degrees":7.8715},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1,"moon_longitude":254.9505,"elapsed_within_degrees":1.6172},"yoga":{"number":19,"name":"Parigha","sum_longitude":250.0295},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.963,"elongation":100.129},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.963,"opposition_distance":79.871}},"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":"06:12","sunsetLocal":"18:31","solarNoonLocal":"12:21","dayLengthHours":12.316601496938539,"dayLengthDisplay":"12 Hours 19 Mins 00 Secs","nightLengthDisplay":"11 Hours 41 Mins 00 Secs","moonriseLocal":"23:47","moonsetLocal":"11:13","rahuKala":{"name":"Rāhu Kāla","start":"13:53","end":"15:26","startHours":13.890033291838073,"endHours":15.429608478955391,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:12","end":"07:44","startHours":6.192157356251486,"endHours":7.731732543368803,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:16","end":"10:49","startHours":9.271307730486122,"endHours":10.810882917603438,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:04","end":"09:29","startHours":9.066031038870477,"endHours":9.476584422101762,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:42","end":"07:02","startHours":6.7053490852905915,"endHours":7.033791791875619,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:46","startHours":11.93990472148947,"endHours":12.76101148795204,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:33","end":"05:22","startHours":4.549943823326347,"endHours":5.371050589788917,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:10","end":"06:12","startHours":5.165773898173274,"endHours":6.192157356251486,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:24","end":"15:13","startHours":14.403225020877176,"endHours":15.224331787339745,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:19","end":"18:43","startHours":18.308758853190024,"endHours":18.708758853190023,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:31","end":"19:01","startHours":18.508758853190024,"endHours":19.02195058222913,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:16","end":"20:01","startHours":18.258758853190024,"endHours":20.008758853190024,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:46","startHours":23.93990472148947,"endHours":24.76101148795204,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:12","end":"07:44","startHours":6.192157356251486,"endHours":7.731732543368803,"quality":"auspicious"},{"name":"Roga","start":"07:44","end":"09:16","startHours":7.731732543368803,"endHours":9.271307730486122,"quality":"inauspicious"},{"name":"Udveg","start":"09:16","end":"10:49","startHours":9.271307730486122,"endHours":10.810882917603438,"quality":"inauspicious"},{"name":"Chala","start":"10:49","end":"12:21","startHours":10.810882917603438,"endHours":12.350458104720754,"quality":"neutral"},{"name":"Labha","start":"12:21","end":"13:53","startHours":12.350458104720754,"endHours":13.890033291838073,"quality":"auspicious"},{"name":"Amṛta","start":"13:53","end":"15:26","startHours":13.890033291838073,"endHours":15.429608478955391,"quality":"auspicious"},{"name":"Kāla","start":"15:26","end":"16:58","startHours":15.429608478955391,"endHours":16.969183666072706,"quality":"inauspicious"},{"name":"Śubha","start":"16:58","end":"18:31","startHours":16.969183666072706,"endHours":18.508758853190024,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:31","end":"19:58","startHours":18.508758853190024,"endHours":19.969183666072706,"quality":"auspicious"},{"name":"Kāla","start":"19:58","end":"21:26","startHours":19.969183666072706,"endHours":21.429608478955387,"quality":"inauspicious"},{"name":"Śubha","start":"21:26","end":"22:53","startHours":21.429608478955387,"endHours":22.890033291838073,"quality":"auspicious"},{"name":"Roga","start":"22:53","end":"00:21","startHours":22.890033291838073,"endHours":24.350458104720754,"quality":"inauspicious"},{"name":"Udveg","start":"00:21","end":"01:49","startHours":24.350458104720754,"endHours":25.810882917603436,"quality":"inauspicious"},{"name":"Chala","start":"01:49","end":"03:16","startHours":25.810882917603436,"endHours":27.27130773048612,"quality":"neutral"},{"name":"Labha","start":"03:16","end":"04:44","startHours":27.27130773048612,"endHours":28.731732543368803,"quality":"auspicious"},{"name":"Amṛta","start":"04:44","end":"06:12","startHours":28.731732543368803,"endHours":30.192157356251485,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:12","end":"07:12","startHours":6.192157356251486,"endHours":7.192157356251486,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:12","end":"08:12","startHours":7.192157356251486,"endHours":8.192157356251485,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:12","end":"09:12","startHours":8.192157356251485,"endHours":9.192157356251485,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:12","end":"10:12","startHours":9.192157356251485,"endHours":10.192157356251485,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:12","end":"11:12","startHours":10.192157356251485,"endHours":11.192157356251485,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:12","end":"12:12","startHours":11.192157356251485,"endHours":12.192157356251485,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:12","end":"13:12","startHours":12.192157356251485,"endHours":13.192157356251485,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:12","end":"14:12","startHours":13.192157356251485,"endHours":14.192157356251485,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:12","end":"15:12","startHours":14.192157356251485,"endHours":15.192157356251485,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:12","end":"16:12","startHours":15.192157356251485,"endHours":16.192157356251485,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:12","end":"17:12","startHours":16.192157356251485,"endHours":17.192157356251485,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:12","end":"18:12","startHours":17.192157356251485,"endHours":18.192157356251485,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:12","end":"19:12","startHours":18.192157356251485,"endHours":19.192157356251485,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:12","end":"20:12","startHours":19.192157356251485,"endHours":20.192157356251485,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:12","end":"21:12","startHours":20.192157356251485,"endHours":21.192157356251485,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:12","end":"22:12","startHours":21.192157356251485,"endHours":22.192157356251485,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:12","end":"23:12","startHours":22.192157356251485,"endHours":23.192157356251485,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:12","end":"00:12","startHours":23.192157356251485,"endHours":24.192157356251485,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:12","end":"01:12","startHours":24.192157356251485,"endHours":25.192157356251485,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:12","end":"02:12","startHours":25.192157356251485,"endHours":26.192157356251485,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:12","end":"03:12","startHours":26.192157356251485,"endHours":27.192157356251485,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:12","end":"04:12","startHours":27.192157356251485,"endHours":28.192157356251485,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:12","end":"05:12","startHours":28.192157356251485,"endHours":29.192157356251485,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:12","end":"06:12","startHours":29.192157356251485,"endHours":30.192157356251485,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"East","rahuVasa":"North-West","anandadiYoga":{"name":"Śrīvatsa","quality":"Auspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":7.519712064207657,"eotMinutes":-1.8962862832453116,"ayanamsa":24.22}},"calendars":{"vikram_samvat":2083,"vikram_samvatsara":"Siddhārthī","saka_samvat":1948,"saka_samvatsara":"Parābhava","bengali_samvat":1433,"malayalam_era":1202,"nanakshahi_year":557,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Kṛṣṇa Saptamī · Vikram 2083 Siddhārthī · Śaka 1948 Parābhava"},"festivals":[{"id":"mina-sankranti","name":"Mīna Saṅkrānti","name_sanskrit":"मीन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Pisces; Mīna-māsa begins.","vrata":false,"detection":{"sun_rashi":"Mīna"},"precedence":5}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 April 9, 2026 CE · Erode, Tamil Nadu · Vidhyamitra","description":"April 9, 2026 CE for Erode, Tamil Nadu: Kṛṣṇa Saptamī, sūryodaya 06:12, sūryāsta 18:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2026-04-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2026-04-09","sa":"https://sa.vidhyamitra.com/city/erode/2026-04-09","hi":"https://hi.vidhyamitra.com/city/erode/2026-04-09","x-default":"https://vidhyamitra.com/city/erode/2026-04-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T15:20:36.461Z","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":"2026-05-14T15:20:36.461Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T15:20:36.461Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}