{"id":"vidhyamitra:city-day:erode:2020-04-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2020-04-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2020-04-13","date_display":"April 13, 2020 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":2020,"month":4,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458952.770833,"kali_year":5121,"ahargana":1870487.2708,"sun":{"sidereal_longitude":359.533,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":243.695,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":244.1619,"elapsed_within_tithi_degrees":4.1619},"nakshatra":{"number":19,"name":"Mūla","pada":2,"moon_longitude":243.695,"elapsed_within_degrees":3.695},"yoga":{"number":19,"name":"Parigha","sum_longitude":243.228},"karana":{"half_tithi_index":40,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2020,"month":4,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458952.770833,"ahargana":1870487.2708,"kali_year":5121,"ayanamsa_lahiri":24.1363,"grahas":{"sun":{"sidereal_longitude":359.444279,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":246.37087900000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false,"latitude":0.6946},"mars":{"sidereal_longitude":284.81067899999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":338.458379,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":271.5872790000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":43.565878999999995,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":277.14987900000006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":72.583,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":252.583,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"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":2020,"month":4,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458952.770833,"kali_year":5121,"ahargana":1870487.2708,"sun":{"sidereal_longitude":359.533,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":243.695,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":244.1619,"elapsed_within_tithi_degrees":4.1619},"nakshatra":{"number":19,"name":"Mūla","pada":2,"moon_longitude":243.695,"elapsed_within_degrees":3.695},"yoga":{"number":19,"name":"Parigha","sum_longitude":243.228},"karana":{"half_tithi_index":40,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.695,"elongation":115.838},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.695,"opposition_distance":64.162}},"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":"06:09","sunsetLocal":"18:31","solarNoonLocal":"12:20","dayLengthHours":12.361802015078704,"dayLengthDisplay":"12 Hours 21 Mins 42 Secs","nightLengthDisplay":"11 Hours 38 Mins 18 Secs","moonriseLocal":"23:05","moonsetLocal":"10:30","rahuKala":{"name":"Rāhu Kāla","start":"07:42","end":"09:14","startHours":7.696007758173891,"endHours":9.241233010058728,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:47","end":"12:20","startHours":10.786458261943567,"endHours":12.331683513828406,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:53","end":"15:25","startHours":13.876908765713242,"endHours":15.422134017598081,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:02","end":"09:27","startHours":9.035202976474084,"endHours":9.447263043643375,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:40","end":"07:00","startHours":6.665857590250665,"endHours":6.995505643986097,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:55","end":"12:45","startHours":11.919623446659115,"endHours":12.743743580997696,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:30","end":"05:20","startHours":4.502542237611893,"endHours":5.326662371950473,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:07","end":"06:09","startHours":5.120632338365827,"endHours":6.150782506289053,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:24","end":"15:13","startHours":14.391983849674855,"endHours":15.216103984013435,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:19","end":"18:43","startHours":18.312584521367757,"endHours":18.712584521367756,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:31","end":"19:02","startHours":18.512584521367756,"endHours":19.02765960532937,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:16","end":"20:01","startHours":18.262584521367756,"endHours":20.012584521367756,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:55","end":"00:45","startHours":23.919623446659116,"endHours":24.743743580997695,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:09","end":"07:42","startHours":6.150782506289053,"endHours":7.696007758173891,"quality":"auspicious"},{"name":"Kāla","start":"07:42","end":"09:14","startHours":7.696007758173891,"endHours":9.241233010058728,"quality":"inauspicious"},{"name":"Śubha","start":"09:14","end":"10:47","startHours":9.241233010058728,"endHours":10.786458261943567,"quality":"auspicious"},{"name":"Roga","start":"10:47","end":"12:20","startHours":10.786458261943567,"endHours":12.331683513828406,"quality":"inauspicious"},{"name":"Udveg","start":"12:20","end":"13:53","startHours":12.331683513828406,"endHours":13.876908765713242,"quality":"inauspicious"},{"name":"Chala","start":"13:53","end":"15:25","startHours":13.876908765713242,"endHours":15.422134017598081,"quality":"neutral"},{"name":"Labha","start":"15:25","end":"16:58","startHours":15.422134017598081,"endHours":16.96735926948292,"quality":"auspicious"},{"name":"Amṛta","start":"16:58","end":"18:31","startHours":16.96735926948292,"endHours":18.512584521367756,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:31","end":"19:58","startHours":18.512584521367756,"endHours":19.96735926948292,"quality":"neutral"},{"name":"Labha","start":"19:58","end":"21:25","startHours":19.96735926948292,"endHours":21.42213401759808,"quality":"auspicious"},{"name":"Amṛta","start":"21:25","end":"22:53","startHours":21.42213401759808,"endHours":22.876908765713242,"quality":"auspicious"},{"name":"Kāla","start":"22:53","end":"00:20","startHours":22.876908765713242,"endHours":24.331683513828406,"quality":"inauspicious"},{"name":"Śubha","start":"00:20","end":"01:47","startHours":24.331683513828406,"endHours":25.786458261943565,"quality":"auspicious"},{"name":"Roga","start":"01:47","end":"03:14","startHours":25.786458261943565,"endHours":27.24123301005873,"quality":"inauspicious"},{"name":"Udveg","start":"03:14","end":"04:42","startHours":27.24123301005873,"endHours":28.69600775817389,"quality":"inauspicious"},{"name":"Chala","start":"04:42","end":"06:09","startHours":28.69600775817389,"endHours":30.150782506289055,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:09","end":"07:09","startHours":6.150782506289053,"endHours":7.150782506289053,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:09","end":"08:09","startHours":7.150782506289053,"endHours":8.150782506289053,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:09","end":"09:09","startHours":8.150782506289053,"endHours":9.150782506289053,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:09","end":"10:09","startHours":9.150782506289053,"endHours":10.150782506289053,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:09","end":"11:09","startHours":10.150782506289053,"endHours":11.150782506289053,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:09","end":"12:09","startHours":11.150782506289053,"endHours":12.150782506289053,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:09","end":"13:09","startHours":12.150782506289053,"endHours":13.150782506289053,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:09","end":"14:09","startHours":13.150782506289053,"endHours":14.150782506289053,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:09","end":"15:09","startHours":14.150782506289053,"endHours":15.150782506289053,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:09","end":"16:09","startHours":15.150782506289053,"endHours":16.150782506289055,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:09","end":"17:09","startHours":16.150782506289055,"endHours":17.150782506289055,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:09","end":"18:09","startHours":17.150782506289055,"endHours":18.150782506289055,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:09","end":"19:09","startHours":18.150782506289055,"endHours":19.150782506289055,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:09","end":"20:09","startHours":19.150782506289055,"endHours":20.150782506289055,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:09","end":"21:09","startHours":20.150782506289055,"endHours":21.150782506289055,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:09","end":"22:09","startHours":21.150782506289055,"endHours":22.150782506289055,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:09","end":"23:09","startHours":22.150782506289055,"endHours":23.150782506289055,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:09","end":"00:09","startHours":23.150782506289055,"endHours":24.150782506289055,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:09","end":"01:09","startHours":24.150782506289055,"endHours":25.150782506289055,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:09","end":"02:09","startHours":25.150782506289055,"endHours":26.150782506289055,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:09","end":"03:09","startHours":26.150782506289055,"endHours":27.150782506289055,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:09","end":"04:09","startHours":27.150782506289055,"endHours":28.150782506289055,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:09","end":"05:09","startHours":28.150782506289055,"endHours":29.150782506289055,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:09","end":"06:09","startHours":29.150782506289055,"endHours":30.150782506289055,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","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":"North-East","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"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":9.155140067750693,"eotMinutes":-0.7698108297043191,"ayanamsa":24.1363}},"calendars":{"vikram_samvat":2077,"vikram_samvatsara":"Pramādī","saka_samvat":1942,"saka_samvatsara":"Śārvarī","bengali_samvat":1427,"malayalam_era":1196,"nanakshahi_year":551,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Kṛṣṇa Ṣaṣṭhī · Vikram 2077 Pramādī · Śaka 1942 Śārvarī"},"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":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 13, 2020 CE · Erode, Tamil Nadu · Vidhyamitra","description":"April 13, 2020 CE for Erode, Tamil Nadu: Kṛṣṇa Ṣaṣṭhī, sūryodaya 06:09, sūryāsta 18:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2020-04-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2020-04-13","sa":"https://sa.vidhyamitra.com/city/erode/2020-04-13","hi":"https://hi.vidhyamitra.com/city/erode/2020-04-13","x-default":"https://vidhyamitra.com/city/erode/2020-04-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T02:37:40.268Z","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":"2026-05-15T02:37:40.268Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T02:37:40.268Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}