{"id":"vidhyamitra:city-day:erode:2181-04-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2181-04-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2181-04-07","date_display":"April 7, 2181 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":2181,"month":4,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517750.770833,"kali_year":5282,"ahargana":1929285.2708,"sun":{"sidereal_longitude":351.0485,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":264.0914,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":273.043,"elapsed_within_tithi_degrees":9.043},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":264.0914,"elapsed_within_degrees":10.7581},"yoga":{"number":20,"name":"Śiva","sum_longitude":255.1399},"karana":{"half_tithi_index":45,"name":"Kaulava"},"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":2181,"month":4,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2517750.770833,"ahargana":1929285.2708,"kali_year":5282,"ayanamsa_lahiri":26.3851,"grahas":{"sun":{"sidereal_longitude":351.310663,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":265.95476299999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false,"latitude":4.1388},"mars":{"sidereal_longitude":70.63806299999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":7.573163000000022,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":103.80216300000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":true},"venus":{"sidereal_longitude":3.7811629999999923,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":75.902763,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":197.182,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":17.182,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","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":2181,"month":4,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517750.770833,"kali_year":5282,"ahargana":1929285.2708,"sun":{"sidereal_longitude":351.0485,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":264.0914,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":273.043,"elapsed_within_tithi_degrees":9.043},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":264.0914,"elapsed_within_degrees":10.7581},"yoga":{"number":20,"name":"Śiva","sum_longitude":255.1399},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.139,"elongation":86.957},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.139,"opposition_distance":93.043}},"eclipse_window_40days":[{"offset_days":7,"type":"solar","occurs":true,"moon_latitude":1.281,"elongation":2.34}]},"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":"06:13","sunsetLocal":"18:31","solarNoonLocal":"12:22","dayLengthHours":12.30079398900557,"dayLengthDisplay":"12 Hours 18 Mins 03 Secs","nightLengthDisplay":"11 Hours 41 Mins 57 Secs","moonriseLocal":"00:56","moonsetLocal":"12:25","rahuKala":{"name":"Rāhu Kāla","start":"09:17","end":"10:49","startHours":9.285121711829156,"endHours":10.822720960454852,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:54","end":"15:26","startHours":13.897919457706244,"endHours":15.43551870633194,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:13","end":"07:45","startHours":6.209923214577763,"endHours":7.74752246320346,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:05","end":"09:29","startHours":9.080108478679062,"endHours":9.490134944979248,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:43","end":"07:03","startHours":6.722456297452996,"endHours":7.050477470493144,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:46","startHours":11.950293742780362,"endHours":12.770346675380734,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:34","end":"05:23","startHours":4.569817349377021,"endHours":5.389870281977392,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:11","end":"06:13","startHours":5.1848570488273,"endHours":6.209923214577763,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:25","end":"15:14","startHours":14.410452540581476,"endHours":15.230505473181847,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:19","end":"18:43","startHours":18.310717203583334,"endHours":18.710717203583332,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:31","end":"19:01","startHours":18.510717203583333,"endHours":19.023250286458566,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:16","end":"20:01","startHours":18.260717203583333,"endHours":20.010717203583333,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:46","startHours":23.950293742780364,"endHours":24.770346675380733,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:13","end":"07:45","startHours":6.209923214577763,"endHours":7.74752246320346,"quality":"inauspicious"},{"name":"Śubha","start":"07:45","end":"09:17","startHours":7.74752246320346,"endHours":9.285121711829156,"quality":"auspicious"},{"name":"Roga","start":"09:17","end":"10:49","startHours":9.285121711829156,"endHours":10.822720960454852,"quality":"inauspicious"},{"name":"Udveg","start":"10:49","end":"12:22","startHours":10.822720960454852,"endHours":12.360320209080548,"quality":"inauspicious"},{"name":"Chala","start":"12:22","end":"13:54","startHours":12.360320209080548,"endHours":13.897919457706244,"quality":"neutral"},{"name":"Labha","start":"13:54","end":"15:26","startHours":13.897919457706244,"endHours":15.43551870633194,"quality":"auspicious"},{"name":"Amṛta","start":"15:26","end":"16:58","startHours":15.43551870633194,"endHours":16.973117954957637,"quality":"auspicious"},{"name":"Kāla","start":"16:58","end":"18:31","startHours":16.973117954957637,"endHours":18.510717203583333,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:31","end":"19:58","startHours":18.510717203583333,"endHours":19.973117954957637,"quality":"auspicious"},{"name":"Amṛta","start":"19:58","end":"21:26","startHours":19.973117954957637,"endHours":21.43551870633194,"quality":"auspicious"},{"name":"Kāla","start":"21:26","end":"22:54","startHours":21.43551870633194,"endHours":22.897919457706244,"quality":"inauspicious"},{"name":"Śubha","start":"22:54","end":"00:22","startHours":22.897919457706244,"endHours":24.360320209080548,"quality":"auspicious"},{"name":"Roga","start":"00:22","end":"01:49","startHours":24.360320209080548,"endHours":25.822720960454852,"quality":"inauspicious"},{"name":"Udveg","start":"01:49","end":"03:17","startHours":25.822720960454852,"endHours":27.285121711829156,"quality":"inauspicious"},{"name":"Chala","start":"03:17","end":"04:45","startHours":27.285121711829156,"endHours":28.74752246320346,"quality":"neutral"},{"name":"Labha","start":"04:45","end":"06:13","startHours":28.74752246320346,"endHours":30.209923214577763,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:13","end":"07:13","startHours":6.209923214577763,"endHours":7.209923214577763,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:13","end":"08:13","startHours":7.209923214577763,"endHours":8.209923214577763,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:13","end":"09:13","startHours":8.209923214577763,"endHours":9.209923214577763,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:13","end":"10:13","startHours":9.209923214577763,"endHours":10.209923214577763,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:13","end":"11:13","startHours":10.209923214577763,"endHours":11.209923214577763,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:13","end":"12:13","startHours":11.209923214577763,"endHours":12.209923214577763,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:13","end":"13:13","startHours":12.209923214577763,"endHours":13.209923214577763,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:13","end":"14:13","startHours":13.209923214577763,"endHours":14.209923214577763,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:13","end":"15:13","startHours":14.209923214577763,"endHours":15.209923214577763,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:13","end":"16:13","startHours":15.209923214577763,"endHours":16.209923214577763,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:13","end":"17:13","startHours":16.209923214577763,"endHours":17.209923214577763,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:13","end":"18:13","startHours":17.209923214577763,"endHours":18.209923214577763,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:13","end":"19:13","startHours":18.209923214577763,"endHours":19.209923214577763,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:13","end":"20:13","startHours":19.209923214577763,"endHours":20.209923214577763,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:13","end":"21:13","startHours":20.209923214577763,"endHours":21.209923214577763,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:13","end":"22:13","startHours":21.209923214577763,"endHours":22.209923214577763,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:13","end":"23:13","startHours":22.209923214577763,"endHours":23.209923214577763,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:13","end":"00:13","startHours":23.209923214577763,"endHours":24.209923214577763,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:13","end":"01:13","startHours":24.209923214577763,"endHours":25.209923214577763,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:13","end":"02:13","startHours":25.209923214577763,"endHours":26.209923214577763,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:13","end":"03:13","startHours":26.209923214577763,"endHours":27.209923214577763,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:13","end":"04:13","startHours":27.209923214577763,"endHours":28.209923214577763,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:13","end":"05:13","startHours":28.209923214577763,"endHours":29.209923214577763,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:13","end":"06:13","startHours":29.209923214577763,"endHours":30.209923214577763,"planetary_lord":"Mercury"}],"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":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":6.9438044010504,"eotMinutes":-2.4880125448329173,"ayanamsa":26.3851}},"calendars":{"vikram_samvat":2238,"vikram_samvatsara":"Jaya","saka_samvat":2103,"saka_samvatsara":"Vṛṣa","bengali_samvat":1588,"malayalam_era":1357,"nanakshahi_year":712,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Phālguna","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Kṛṣṇa Aṣṭamī · Vikram 2238 Jaya · Śaka 2103 Vṛṣa"},"festivals":[],"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 Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","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 April 7, 2181 CE · Erode, Tamil Nadu · Vidhyamitra","description":"April 7, 2181 CE for Erode, Tamil Nadu: Kṛṣṇa Aṣṭamī, sūryodaya 06:13, sūryāsta 18:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2181-04-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2181-04-07","sa":"https://sa.vidhyamitra.com/city/erode/2181-04-07","hi":"https://hi.vidhyamitra.com/city/erode/2181-04-07","x-default":"https://vidhyamitra.com/city/erode/2181-04-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-29T18:58:46.674Z","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":"2026-05-29T18:58:46.674Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-29T18:58:46.674Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}