{"id":"vidhyamitra:city-day:erode:2146-04-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2146-04-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2146-04-20","date_display":"April 20, 2146 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":2146,"month":4,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2504979.770833,"kali_year":5248,"ahargana":1916514.2708,"sun":{"sidereal_longitude":3.8215,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":104.324,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":100.5026,"elapsed_within_tithi_degrees":4.5026},"nakshatra":{"number":8,"name":"Puṣya","pada":4,"moon_longitude":104.324,"elapsed_within_degrees":10.9907},"yoga":{"number":9,"name":"Śūla","sum_longitude":108.1455},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2146,"month":4,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2504979.770833,"ahargana":1916514.2708,"kali_year":5248,"ayanamsa_lahiri":25.8967,"grahas":{"sun":{"sidereal_longitude":4.043609000000004,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":103.07680900000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false,"latitude":-3.4217},"mars":{"sidereal_longitude":283.514909,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":1.9904089999999997,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":122.768009,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":35.12790899999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":7.666709000000026,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":153.851,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":333.851,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"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":2146,"month":4,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2504979.770833,"kali_year":5248,"ahargana":1916514.2708,"sun":{"sidereal_longitude":3.8215,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":104.324,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":100.5026,"elapsed_within_tithi_degrees":4.5026},"nakshatra":{"number":8,"name":"Puṣya","pada":4,"moon_longitude":104.324,"elapsed_within_degrees":10.9907},"yoga":{"number":9,"name":"Śūla","sum_longitude":108.1455},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.422,"elongation":100.503},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.422,"opposition_distance":79.497}},"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":"06:05","sunsetLocal":"18:31","solarNoonLocal":"12:18","dayLengthHours":12.42612321666821,"dayLengthDisplay":"12 Hours 25 Mins 34 Secs","nightLengthDisplay":"11 Hours 34 Mins 26 Secs","moonriseLocal":"12:37","moonsetLocal":"01:12","rahuKala":{"name":"Rāhu Kāla","start":"12:18","end":"13:51","startHours":12.302723942239318,"endHours":13.855989344322845,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:39","end":"09:12","startHours":7.64292773598874,"endHours":9.196193138072267,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:45","end":"12:18","startHours":10.749458540155793,"endHours":12.302723942239318,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:59","end":"09:24","startHours":8.98909108446113,"endHours":9.403295191683403,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:36","end":"06:56","startHours":6.607417467933057,"endHours":6.938780753710875,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:43","startHours":11.888519835017044,"endHours":12.716928049461591,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:26","end":"05:16","startHours":4.432845905016119,"endHours":5.261254119460667,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:03","end":"06:05","startHours":5.0541520658495305,"endHours":6.089662333905214,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:22","end":"15:12","startHours":14.373744478350687,"endHours":15.202152692795234,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:19","end":"18:43","startHours":18.315785550573423,"endHours":18.715785550573422,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:31","end":"19:02","startHours":18.515785550573423,"endHours":19.033540684601263,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:16","end":"20:01","startHours":18.265785550573423,"endHours":20.015785550573423,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:43","startHours":23.888519835017043,"endHours":24.716928049461593,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:05","end":"07:39","startHours":6.089662333905214,"endHours":7.64292773598874,"quality":"auspicious"},{"name":"Amṛta","start":"07:39","end":"09:12","startHours":7.64292773598874,"endHours":9.196193138072267,"quality":"auspicious"},{"name":"Kāla","start":"09:12","end":"10:45","startHours":9.196193138072267,"endHours":10.749458540155793,"quality":"inauspicious"},{"name":"Śubha","start":"10:45","end":"12:18","startHours":10.749458540155793,"endHours":12.302723942239318,"quality":"auspicious"},{"name":"Roga","start":"12:18","end":"13:51","startHours":12.302723942239318,"endHours":13.855989344322845,"quality":"inauspicious"},{"name":"Udveg","start":"13:51","end":"15:25","startHours":13.855989344322845,"endHours":15.409254746406372,"quality":"inauspicious"},{"name":"Chala","start":"15:25","end":"16:58","startHours":15.409254746406372,"endHours":16.962520148489897,"quality":"neutral"},{"name":"Labha","start":"16:58","end":"18:31","startHours":16.962520148489897,"endHours":18.515785550573423,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:31","end":"19:58","startHours":18.515785550573423,"endHours":19.962520148489897,"quality":"inauspicious"},{"name":"Chala","start":"19:58","end":"21:25","startHours":19.962520148489897,"endHours":21.40925474640637,"quality":"neutral"},{"name":"Labha","start":"21:25","end":"22:51","startHours":21.40925474640637,"endHours":22.855989344322843,"quality":"auspicious"},{"name":"Amṛta","start":"22:51","end":"00:18","startHours":22.855989344322843,"endHours":24.302723942239318,"quality":"auspicious"},{"name":"Kāla","start":"00:18","end":"01:45","startHours":24.302723942239318,"endHours":25.749458540155793,"quality":"inauspicious"},{"name":"Śubha","start":"01:45","end":"03:12","startHours":25.749458540155793,"endHours":27.196193138072267,"quality":"auspicious"},{"name":"Roga","start":"03:12","end":"04:39","startHours":27.196193138072267,"endHours":28.64292773598874,"quality":"inauspicious"},{"name":"Udveg","start":"04:39","end":"06:05","startHours":28.64292773598874,"endHours":30.089662333905213,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:05","end":"07:05","startHours":6.089662333905214,"endHours":7.089662333905214,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:05","end":"08:05","startHours":7.089662333905214,"endHours":8.089662333905213,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:05","end":"09:05","startHours":8.089662333905213,"endHours":9.089662333905213,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:05","end":"10:05","startHours":9.089662333905213,"endHours":10.089662333905213,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:05","end":"11:05","startHours":10.089662333905213,"endHours":11.089662333905213,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:05","end":"12:05","startHours":11.089662333905213,"endHours":12.089662333905213,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:05","end":"13:05","startHours":12.089662333905213,"endHours":13.089662333905213,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:05","end":"14:05","startHours":13.089662333905213,"endHours":14.089662333905213,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:05","end":"15:05","startHours":14.089662333905213,"endHours":15.089662333905213,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:05","end":"16:05","startHours":15.089662333905213,"endHours":16.089662333905213,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:05","end":"17:05","startHours":16.089662333905213,"endHours":17.089662333905213,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:05","end":"18:05","startHours":17.089662333905213,"endHours":18.089662333905213,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:05","end":"19:05","startHours":18.089662333905213,"endHours":19.089662333905213,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:05","end":"20:05","startHours":19.089662333905213,"endHours":20.089662333905213,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:05","end":"21:05","startHours":20.089662333905213,"endHours":21.089662333905213,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:05","end":"22:05","startHours":21.089662333905213,"endHours":22.089662333905213,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:05","end":"23:05","startHours":22.089662333905213,"endHours":23.089662333905213,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:05","end":"00:05","startHours":23.089662333905213,"endHours":24.089662333905213,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:05","end":"01:05","startHours":24.089662333905213,"endHours":25.089662333905213,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:05","end":"02:05","startHours":25.089662333905213,"endHours":26.089662333905213,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:05","end":"03:05","startHours":26.089662333905213,"endHours":27.089662333905213,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:05","end":"04:05","startHours":27.089662333905213,"endHours":28.089662333905213,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:05","end":"05:05","startHours":28.089662333905213,"endHours":29.089662333905213,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:05","end":"06:05","startHours":29.089662333905213,"endHours":30.089662333905213,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"South-West","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":11.44968221130409,"eotMinutes":0.9677634656409275,"ayanamsa":25.8967}},"calendars":{"vikram_samvat":2203,"vikram_samvatsara":"Siddhārthī","saka_samvat":2068,"saka_samvatsara":"Parābhava","bengali_samvat":1553,"malayalam_era":1322,"nanakshahi_year":677,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Navamī · Vikram 2203 Siddhārthī · Śaka 2068 Parābhava"},"festivals":[{"id":"rama-navami","name":"Rāma Navamī","name_sanskrit":"राम नवमी","tradition":"Vaishnava","associated_deity":"Rāma (18th avatāra of Krishna)","deity_avatara_index":18,"significance":"Bhagavān Rāma's birth at Ayodhyā. Sūryavaṃśa's most exalted moment.","vrata":true,"primary_observance":"Madhyāhna (noon) abhiṣekam in Ayodhyā tradition","detection":{"tithi_number":9,"tithi_paksha":"Śukla","lunar_month":"Caitra"},"precedence":1,"related_chart":"rama","historical_anchor":{"event":"Bhagavān Rāma's birth at Ayodhyā","date_julian":"-1626101-04-03","location":"Ayodhyā"},"sources":["Vālmīki Rāmāyaṇa, Bāla-Kāṇḍa 1.18"]}],"todays_walk":{"walk":{"id":"rama-navami-walk","name":"Rāma Navamī Walk","name_sanskrit":"राम नवमी यात्रा","type":"festival","description":"Vālmīki Bāla-Kāṇḍa selections + BG 4.7-8 (avatāra principle).","step_count":9,"url":"/walk/rama-navami-walk"},"reason":"Today is Rāma Navamī — its dedicated walk."},"cosmic_resonances":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","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 20, 2146 CE · Erode, Tamil Nadu · Vidhyamitra","description":"April 20, 2146 CE for Erode, Tamil Nadu: Śukla Navamī, sūryodaya 06:05, sūryāsta 18:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2146-04-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2146-04-20","sa":"https://sa.vidhyamitra.com/city/erode/2146-04-20","hi":"https://hi.vidhyamitra.com/city/erode/2146-04-20","x-default":"https://vidhyamitra.com/city/erode/2146-04-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-30T23:40:44.192Z","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":"2026-05-30T23:40:44.192Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-30T23:40:44.192Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}