{"id":"vidhyamitra:city-day:erode:2021-03-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2021-03-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2021-03-17","date_display":"March 17, 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":3,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459290.770833,"kali_year":5122,"ahargana":1870825.2708,"sun":{"sidereal_longitude":332.6493,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":15.9414,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":43.2922,"elapsed_within_tithi_degrees":7.2922},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":15.9414,"elapsed_within_degrees":2.6081},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":348.5907},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"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":2021,"month":3,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2459290.770833,"ahargana":1870825.2708,"kali_year":5122,"ayanamsa_lahiri":24.1492,"grahas":{"sun":{"sidereal_longitude":332.5201649999999,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":12.758564999999976,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false,"latitude":-2.8138},"mars":{"sidereal_longitude":43.15426500000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":307.078165,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":296.000865,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":329.914765,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":285.946865,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":54.6741,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":234.6741,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"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":3,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459290.770833,"kali_year":5122,"ahargana":1870825.2708,"sun":{"sidereal_longitude":332.6493,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":15.9414,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":43.2922,"elapsed_within_tithi_degrees":7.2922},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":15.9414,"elapsed_within_degrees":2.6081},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":348.5907},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.814,"elongation":43.292},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.814,"opposition_distance":136.708}},"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":"06:26","sunsetLocal":"18:31","solarNoonLocal":"12:28","dayLengthHours":12.077891634016034,"dayLengthDisplay":"12 Hours 04 Mins 40 Secs","nightLengthDisplay":"11 Hours 55 Mins 20 Secs","moonriseLocal":"08:55","moonsetLocal":"21:23","rahuKala":{"name":"Rāhu Kāla","start":"12:28","end":"13:59","startHours":12.469917356537042,"endHours":13.979653810789046,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:56","end":"09:27","startHours":7.940707993781029,"endHours":9.450444448033032,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:58","end":"12:28","startHours":10.960180902285037,"endHours":12.469917356537042,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:15","end":"09:39","startHours":9.249146254132766,"endHours":9.6517426419333,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:56","end":"07:15","startHours":6.934217024279692,"endHours":7.25629413452012,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:04","end":"12:52","startHours":12.067320968736508,"endHours":12.872513744337576,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:49","end":"05:38","startHours":4.8205859883268865,"endHours":5.625778763927956,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:25","end":"06:26","startHours":5.424480570027688,"endHours":6.430971539529025,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:29","end":"15:17","startHours":14.482899295539713,"endHours":15.288092071140783,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:19","end":"18:43","startHours":18.30886317354506,"endHours":18.70886317354506,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:31","end":"19:01","startHours":18.50886317354506,"endHours":19.012108658295727,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:16","end":"20:01","startHours":18.25886317354506,"endHours":20.00886317354506,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:04","end":"00:52","startHours":24.067320968736507,"endHours":24.872513744337578,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:26","end":"07:56","startHours":6.430971539529025,"endHours":7.940707993781029,"quality":"auspicious"},{"name":"Amṛta","start":"07:56","end":"09:27","startHours":7.940707993781029,"endHours":9.450444448033032,"quality":"auspicious"},{"name":"Kāla","start":"09:27","end":"10:58","startHours":9.450444448033032,"endHours":10.960180902285037,"quality":"inauspicious"},{"name":"Śubha","start":"10:58","end":"12:28","startHours":10.960180902285037,"endHours":12.469917356537042,"quality":"auspicious"},{"name":"Roga","start":"12:28","end":"13:59","startHours":12.469917356537042,"endHours":13.979653810789046,"quality":"inauspicious"},{"name":"Udveg","start":"13:59","end":"15:29","startHours":13.979653810789046,"endHours":15.489390265041049,"quality":"inauspicious"},{"name":"Chala","start":"15:29","end":"17:00","startHours":15.489390265041049,"endHours":16.999126719293056,"quality":"neutral"},{"name":"Labha","start":"17:00","end":"18:31","startHours":16.999126719293056,"endHours":18.50886317354506,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:31","end":"20:00","startHours":18.50886317354506,"endHours":19.999126719293056,"quality":"inauspicious"},{"name":"Chala","start":"20:00","end":"21:29","startHours":19.999126719293056,"endHours":21.489390265041052,"quality":"neutral"},{"name":"Labha","start":"21:29","end":"22:59","startHours":21.489390265041052,"endHours":22.979653810789046,"quality":"auspicious"},{"name":"Amṛta","start":"22:59","end":"00:28","startHours":22.979653810789046,"endHours":24.469917356537042,"quality":"auspicious"},{"name":"Kāla","start":"00:28","end":"01:58","startHours":24.469917356537042,"endHours":25.96018090228504,"quality":"inauspicious"},{"name":"Śubha","start":"01:58","end":"03:27","startHours":25.96018090228504,"endHours":27.450444448033032,"quality":"auspicious"},{"name":"Roga","start":"03:27","end":"04:56","startHours":27.450444448033032,"endHours":28.94070799378103,"quality":"inauspicious"},{"name":"Udveg","start":"04:56","end":"06:26","startHours":28.94070799378103,"endHours":30.430971539529025,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:26","end":"07:26","startHours":6.430971539529025,"endHours":7.430971539529025,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:26","end":"08:26","startHours":7.430971539529025,"endHours":8.430971539529025,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:26","end":"09:26","startHours":8.430971539529025,"endHours":9.430971539529025,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:26","end":"10:26","startHours":9.430971539529025,"endHours":10.430971539529025,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:26","end":"11:26","startHours":10.430971539529025,"endHours":11.430971539529025,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:26","end":"12:26","startHours":11.430971539529025,"endHours":12.430971539529025,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:26","end":"13:26","startHours":12.430971539529025,"endHours":13.430971539529025,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:26","end":"14:26","startHours":13.430971539529025,"endHours":14.430971539529025,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:26","end":"15:26","startHours":14.430971539529025,"endHours":15.430971539529025,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:26","end":"16:26","startHours":15.430971539529025,"endHours":16.430971539529025,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:26","end":"17:26","startHours":16.430971539529025,"endHours":17.430971539529025,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:26","end":"18:26","startHours":17.430971539529025,"endHours":18.430971539529025,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:26","end":"19:26","startHours":18.430971539529025,"endHours":19.430971539529025,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:26","end":"20:26","startHours":19.430971539529025,"endHours":20.430971539529025,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:26","end":"21:26","startHours":20.430971539529025,"endHours":21.430971539529025,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:26","end":"22:26","startHours":21.430971539529025,"endHours":22.430971539529025,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:26","end":"23:26","startHours":22.430971539529025,"endHours":23.430971539529025,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:26","end":"00:26","startHours":23.430971539529025,"endHours":24.430971539529025,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:26","end":"01:26","startHours":24.430971539529025,"endHours":25.430971539529025,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:26","end":"02:26","startHours":25.430971539529025,"endHours":26.430971539529025,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:26","end":"03:26","startHours":26.430971539529025,"endHours":27.430971539529025,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:26","end":"04:26","startHours":27.430971539529025,"endHours":28.430971539529025,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:26","end":"05:26","startHours":28.430971539529025,"endHours":29.430971539529025,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:26","end":"06:26","startHours":29.430971539529025,"endHours":30.430971539529025,"planetary_lord":"Sun"}],"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":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"South-West","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"drikRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-1.3240735682257616,"eotMinutes":-9.063841392222612,"ayanamsa":24.1492}},"calendars":{"vikram_samvat":2078,"vikram_samvatsara":"Ānanda","saka_samvat":1943,"saka_samvatsara":"Plava","bengali_samvat":1428,"malayalam_era":1197,"nanakshahi_year":552,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Caturthī · Vikram 2078 Ānanda · Śaka 1943 Plava"},"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},{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 March 17, 2021 CE · Erode, Tamil Nadu · Vidhyamitra","description":"March 17, 2021 CE for Erode, Tamil Nadu: Śukla Caturthī, sūryodaya 06:26, sūryāsta 18:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2021-03-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2021-03-17","sa":"https://sa.vidhyamitra.com/city/erode/2021-03-17","hi":"https://hi.vidhyamitra.com/city/erode/2021-03-17","x-default":"https://vidhyamitra.com/city/erode/2021-03-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T03:24:14.206Z","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":"2026-05-15T03:24:14.206Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T03:24:14.206Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}