{"id":"vidhyamitra:city-day:erode:2021-04-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2021-04-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2021-04-30","date_display":"April 30, 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":4,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459334.770833,"kali_year":5123,"ahargana":1870869.2708,"sun":{"sidereal_longitude":15.7966,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":233.977,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":218.1804,"elapsed_within_tithi_degrees":2.1804},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3,"moon_longitude":233.977,"elapsed_within_degrees":7.3103},"yoga":{"number":19,"name":"Parigha","sum_longitude":249.7736},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":4,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2459334.770833,"ahargana":1870869.2708,"kali_year":5123,"ayanamsa_lahiri":24.1509,"grahas":{"sun":{"sidereal_longitude":15.779984000000013,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":236.57968400000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false,"latitude":-0.1282},"mars":{"sidereal_longitude":69.560584,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":27.76768400000003,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":304.048584,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":24.439684,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":288.93978400000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":52.3428,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":232.3428,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","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":2021,"month":4,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459334.770833,"kali_year":5123,"ahargana":1870869.2708,"sun":{"sidereal_longitude":15.7966,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":233.977,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":218.1804,"elapsed_within_tithi_degrees":2.1804},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3,"moon_longitude":233.977,"elapsed_within_degrees":7.3103},"yoga":{"number":19,"name":"Parigha","sum_longitude":249.7736},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.128,"elongation":141.82},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.128,"opposition_distance":38.18}},"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":"06:01","sunsetLocal":"18:32","solarNoonLocal":"12:16","dayLengthHours":12.522122145658109,"dayLengthDisplay":"12 Hours 31 Mins 20 Secs","nightLengthDisplay":"11 Hours 28 Mins 40 Secs","moonriseLocal":"21:17","moonsetLocal":"08:42","rahuKala":{"name":"Rāhu Kāla","start":"10:42","end":"12:16","startHours":10.7071637119727,"endHours":12.272428980179964,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:24","end":"16:58","startHours":15.40295951659449,"endHours":16.968224784801755,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:35","end":"09:09","startHours":7.576633175558173,"endHours":9.141898443765436,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:56","end":"09:21","startHours":8.933196408004468,"endHours":9.350600479526404,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:32","end":"06:52","startHours":6.53312299675333,"endHours":6.86704625397088,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:51","end":"12:41","startHours":11.855024908658027,"endHours":12.6898330517019,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:21","end":"05:11","startHours":4.341751621263161,"endHours":5.176559764307035,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:58","end":"06:01","startHours":4.9678577285460666,"endHours":6.011367907350909,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:22","end":"15:12","startHours":14.359449337789648,"endHours":15.194257480833523,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:20","end":"18:44","startHours":18.33349005300902,"endHours":18.733490053009017,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:32","end":"19:03","startHours":18.533490053009018,"endHours":19.05524514241144,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:17","end":"20:02","startHours":18.283490053009018,"endHours":20.033490053009018,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:51","end":"00:41","startHours":23.855024908658027,"endHours":24.6898330517019,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:01","end":"07:35","startHours":6.011367907350909,"endHours":7.576633175558173,"quality":"neutral"},{"name":"Labha","start":"07:35","end":"09:09","startHours":7.576633175558173,"endHours":9.141898443765436,"quality":"auspicious"},{"name":"Amṛta","start":"09:09","end":"10:42","startHours":9.141898443765436,"endHours":10.7071637119727,"quality":"auspicious"},{"name":"Kāla","start":"10:42","end":"12:16","startHours":10.7071637119727,"endHours":12.272428980179964,"quality":"inauspicious"},{"name":"Śubha","start":"12:16","end":"13:50","startHours":12.272428980179964,"endHours":13.837694248387226,"quality":"auspicious"},{"name":"Roga","start":"13:50","end":"15:24","startHours":13.837694248387226,"endHours":15.40295951659449,"quality":"inauspicious"},{"name":"Udveg","start":"15:24","end":"16:58","startHours":15.40295951659449,"endHours":16.968224784801755,"quality":"inauspicious"},{"name":"Chala","start":"16:58","end":"18:32","startHours":16.968224784801755,"endHours":18.533490053009018,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:32","end":"19:58","startHours":18.533490053009018,"endHours":19.968224784801755,"quality":"inauspicious"},{"name":"Udveg","start":"19:58","end":"21:24","startHours":19.968224784801755,"endHours":21.402959516594493,"quality":"inauspicious"},{"name":"Chala","start":"21:24","end":"22:50","startHours":21.402959516594493,"endHours":22.837694248387226,"quality":"neutral"},{"name":"Labha","start":"22:50","end":"00:16","startHours":22.837694248387226,"endHours":24.272428980179964,"quality":"auspicious"},{"name":"Amṛta","start":"00:16","end":"01:42","startHours":24.272428980179964,"endHours":25.7071637119727,"quality":"auspicious"},{"name":"Kāla","start":"01:42","end":"03:09","startHours":25.7071637119727,"endHours":27.141898443765434,"quality":"inauspicious"},{"name":"Śubha","start":"03:09","end":"04:35","startHours":27.141898443765434,"endHours":28.57663317555817,"quality":"auspicious"},{"name":"Roga","start":"04:35","end":"06:01","startHours":28.57663317555817,"endHours":30.01136790735091,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:01","end":"07:01","startHours":6.011367907350909,"endHours":7.011367907350909,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:01","end":"08:01","startHours":7.011367907350909,"endHours":8.011367907350909,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:01","end":"09:01","startHours":8.011367907350909,"endHours":9.011367907350909,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:01","end":"10:01","startHours":9.011367907350909,"endHours":10.011367907350909,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:01","end":"11:01","startHours":10.011367907350909,"endHours":11.011367907350909,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:01","end":"12:01","startHours":11.011367907350909,"endHours":12.011367907350909,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:01","end":"13:01","startHours":12.011367907350909,"endHours":13.011367907350909,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:01","end":"14:01","startHours":13.011367907350909,"endHours":14.011367907350909,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:01","end":"15:01","startHours":14.011367907350909,"endHours":15.011367907350909,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:01","end":"16:01","startHours":15.011367907350909,"endHours":16.01136790735091,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:01","end":"17:01","startHours":16.01136790735091,"endHours":17.01136790735091,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:01","end":"18:01","startHours":17.01136790735091,"endHours":18.01136790735091,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:01","end":"19:01","startHours":18.01136790735091,"endHours":19.01136790735091,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:01","end":"20:01","startHours":19.01136790735091,"endHours":20.01136790735091,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:01","end":"21:01","startHours":20.01136790735091,"endHours":21.01136790735091,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:01","end":"22:01","startHours":21.01136790735091,"endHours":22.01136790735091,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:01","end":"23:01","startHours":22.01136790735091,"endHours":23.01136790735091,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:01","end":"00:01","startHours":23.01136790735091,"endHours":24.01136790735091,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:01","end":"01:01","startHours":24.01136790735091,"endHours":25.01136790735091,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:01","end":"02:01","startHours":25.01136790735091,"endHours":26.01136790735091,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:01","end":"03:01","startHours":26.01136790735091,"endHours":27.01136790735091,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:01","end":"04:01","startHours":27.01136790735091,"endHours":28.01136790735091,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:01","end":"05:01","startHours":28.01136790735091,"endHours":29.01136790735091,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:01","end":"06:01","startHours":29.01136790735091,"endHours":30.01136790735091,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"South-East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":14.790756363668876,"eotMinutes":2.785461189202204,"ayanamsa":24.1509}},"calendars":{"vikram_samvat":2078,"vikram_samvatsara":"Ānanda","saka_samvat":1943,"saka_samvatsara":"Plava","bengali_samvat":1428,"malayalam_era":1197,"nanakshahi_year":552,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Caturthī · Vikram 2078 Ānanda · Śaka 1943 Plava"},"festivals":[{"id":"mesha-sankranti","name":"Meṣa Saṅkrānti (Vaiśākhī / Vishu / Pohelā Boishākh / Bihu)","name_sanskrit":"मेष सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aries; solar new year. Regional: Vaiśākhī (Punjab) · Vishu (Kerala) · Pohelā Boishākh (Bengal) · Bihu (Assam) · Tamil Puthāṇḍu.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":1},{"id":"baisakhi","name":"Baisakhi (Vaiśākhī)","name_sanskrit":"वैशाखी","tradition":"Regional","associated_deity":"Sūrya + Khalsa Pantha (Sikh)","significance":"Punjab New Year + Sikh Khalsa founding day.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":2},{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","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 30, 2021 CE · Erode, Tamil Nadu · Vidhyamitra","description":"April 30, 2021 CE for Erode, Tamil Nadu: Kṛṣṇa Caturthī, sūryodaya 06:01, sūryāsta 18:32.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2021-04-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2021-04-30","sa":"https://sa.vidhyamitra.com/city/erode/2021-04-30","hi":"https://hi.vidhyamitra.com/city/erode/2021-04-30","x-default":"https://vidhyamitra.com/city/erode/2021-04-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T12:16:14.531Z","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":"2026-05-15T12:16:14.531Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T12:16:14.531Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}