{"id":"vidhyamitra:city-day:erode:2040-04-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2040-04-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2040-04-13","date_display":"April 13, 2040 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":2040,"month":4,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2466257.770833,"kali_year":5141,"ahargana":1877792.2708,"sun":{"sidereal_longitude":359.362,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":18.8096,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":19.4476,"elapsed_within_tithi_degrees":7.4476},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2,"moon_longitude":18.8096,"elapsed_within_degrees":5.4762},"yoga":{"number":2,"name":"Prīti","sum_longitude":18.1715},"karana":{"half_tithi_index":3,"name":"Kaulava"},"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":2040,"month":4,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2466257.770833,"ahargana":1877792.2708,"kali_year":5141,"ayanamsa_lahiri":24.4157,"grahas":{"sun":{"sidereal_longitude":359.319674,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":16.695273999999984,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false,"latitude":-2.0216},"mars":{"sidereal_longitude":85.70417399999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":341.298574,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":148.58957399999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":true},"venus":{"sidereal_longitude":346.129874,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":162.350774,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":45.5289,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":225.5289,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","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":2040,"month":4,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2466257.770833,"kali_year":5141,"ahargana":1877792.2708,"sun":{"sidereal_longitude":359.362,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":18.8096,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":19.4476,"elapsed_within_tithi_degrees":7.4476},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2,"moon_longitude":18.8096,"elapsed_within_degrees":5.4762},"yoga":{"number":2,"name":"Prīti","sum_longitude":18.1715},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.022,"elongation":19.448},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.022,"opposition_distance":160.552}},"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":12.363389856535264,"dayLengthDisplay":"12 Hours 21 Mins 48 Secs","nightLengthDisplay":"11 Hours 38 Mins 12 Secs","moonriseLocal":"07:14","moonsetLocal":"19:44","rahuKala":{"name":"Rāhu Kāla","start":"10:47","end":"12:20","startHours":10.786259781761498,"endHours":12.331683513828406,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:25","end":"16:58","startHours":15.422530977962221,"endHours":16.96795471002913,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:42","end":"09:14","startHours":7.695412317627682,"endHours":9.24083604969459,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:02","end":"09:27","startHours":9.034779552085668,"endHours":9.446892547303511,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:40","end":"07:00","startHours":6.665129829583076,"endHours":6.99482022575735,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:55","end":"12:45","startHours":11.919570518610563,"endHours":12.743796509046248,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:30","end":"05:20","startHours":4.501536604689405,"endHours":5.32576259512509,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:07","end":"06:09","startHours":5.119706097516168,"endHours":6.149988585560774,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:24","end":"15:13","startHours":14.392248489917616,"endHours":15.2164744803533,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:19","end":"18:43","startHours":18.313378442096038,"endHours":18.713378442096037,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:31","end":"19:02","startHours":18.513378442096037,"endHours":19.02851968611834,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:16","end":"20:01","startHours":18.263378442096037,"endHours":20.013378442096037,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:55","end":"00:45","startHours":23.919570518610563,"endHours":24.74379650904625,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:09","end":"07:42","startHours":6.149988585560774,"endHours":7.695412317627682,"quality":"neutral"},{"name":"Labha","start":"07:42","end":"09:14","startHours":7.695412317627682,"endHours":9.24083604969459,"quality":"auspicious"},{"name":"Amṛta","start":"09:14","end":"10:47","startHours":9.24083604969459,"endHours":10.786259781761498,"quality":"auspicious"},{"name":"Kāla","start":"10:47","end":"12:20","startHours":10.786259781761498,"endHours":12.331683513828406,"quality":"inauspicious"},{"name":"Śubha","start":"12:20","end":"13:53","startHours":12.331683513828406,"endHours":13.877107245895314,"quality":"auspicious"},{"name":"Roga","start":"13:53","end":"15:25","startHours":13.877107245895314,"endHours":15.422530977962221,"quality":"inauspicious"},{"name":"Udveg","start":"15:25","end":"16:58","startHours":15.422530977962221,"endHours":16.96795471002913,"quality":"inauspicious"},{"name":"Chala","start":"16:58","end":"18:31","startHours":16.96795471002913,"endHours":18.513378442096037,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:31","end":"19:58","startHours":18.513378442096037,"endHours":19.96795471002913,"quality":"inauspicious"},{"name":"Udveg","start":"19:58","end":"21:25","startHours":19.96795471002913,"endHours":21.42253097796222,"quality":"inauspicious"},{"name":"Chala","start":"21:25","end":"22:53","startHours":21.42253097796222,"endHours":22.877107245895314,"quality":"neutral"},{"name":"Labha","start":"22:53","end":"00:20","startHours":22.877107245895314,"endHours":24.331683513828406,"quality":"auspicious"},{"name":"Amṛta","start":"00:20","end":"01:47","startHours":24.331683513828406,"endHours":25.786259781761498,"quality":"auspicious"},{"name":"Kāla","start":"01:47","end":"03:14","startHours":25.786259781761498,"endHours":27.24083604969459,"quality":"inauspicious"},{"name":"Śubha","start":"03:14","end":"04:42","startHours":27.24083604969459,"endHours":28.69541231762768,"quality":"auspicious"},{"name":"Roga","start":"04:42","end":"06:09","startHours":28.69541231762768,"endHours":30.149988585560774,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:09","end":"07:09","startHours":6.149988585560774,"endHours":7.149988585560774,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:09","end":"08:09","startHours":7.149988585560774,"endHours":8.149988585560774,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:09","end":"09:09","startHours":8.149988585560774,"endHours":9.149988585560774,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:09","end":"10:09","startHours":9.149988585560774,"endHours":10.149988585560774,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:09","end":"11:09","startHours":10.149988585560774,"endHours":11.149988585560774,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:09","end":"12:09","startHours":11.149988585560774,"endHours":12.149988585560774,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:09","end":"13:09","startHours":12.149988585560774,"endHours":13.149988585560774,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:09","end":"14:09","startHours":13.149988585560774,"endHours":14.149988585560774,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:09","end":"15:09","startHours":14.149988585560774,"endHours":15.149988585560774,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:09","end":"16:09","startHours":15.149988585560774,"endHours":16.149988585560774,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:09","end":"17:09","startHours":16.149988585560774,"endHours":17.149988585560774,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:09","end":"18:09","startHours":17.149988585560774,"endHours":18.149988585560774,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:09","end":"19:09","startHours":18.149988585560774,"endHours":19.149988585560774,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:09","end":"20:09","startHours":19.149988585560774,"endHours":20.149988585560774,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:09","end":"21:09","startHours":20.149988585560774,"endHours":21.149988585560774,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:09","end":"22:09","startHours":21.149988585560774,"endHours":22.149988585560774,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:09","end":"23:09","startHours":22.149988585560774,"endHours":23.149988585560774,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:09","end":"00:09","startHours":23.149988585560774,"endHours":24.149988585560774,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:09","end":"01:09","startHours":24.149988585560774,"endHours":25.149988585560774,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:09","end":"02:09","startHours":25.149988585560774,"endHours":26.149988585560774,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:09","end":"03:09","startHours":26.149988585560774,"endHours":27.149988585560774,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:09","end":"04:09","startHours":27.149988585560774,"endHours":28.149988585560774,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:09","end":"05:09","startHours":28.149988585560774,"endHours":29.149988585560774,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:09","end":"06:09","startHours":29.149988585560774,"endHours":30.149988585560774,"planetary_lord":"Mars"}],"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":"West (Paścim)","chandraVasa":"East","rahuVasa":"South-East","anandadiYoga":{"name":"Mausala","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":9.21226502847846,"eotMinutes":-0.7698108297043191,"ayanamsa":24.4157}},"calendars":{"vikram_samvat":2097,"vikram_samvatsara":"Śrīmukha","saka_samvat":1962,"saka_samvatsara":"Raudra","bengali_samvat":1447,"malayalam_era":1216,"nanakshahi_year":571,"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":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Dvitīyā · Vikram 2097 Śrīmukha · Śaka 1962 Raudra"},"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_ingress":"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_ingress":"Meṣa"},"precedence":2}],"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":[]},"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, 2040 CE · Erode, Tamil Nadu · Vidhyamitra","description":"April 13, 2040 CE for Erode, Tamil Nadu: Śukla Dvitīyā, sūryodaya 06:09, sūryāsta 18:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2040-04-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2040-04-13","sa":"https://sa.vidhyamitra.com/city/erode/2040-04-13","hi":"https://hi.vidhyamitra.com/city/erode/2040-04-13","x-default":"https://vidhyamitra.com/city/erode/2040-04-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T04:00:01.871Z","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":"2026-05-31T04:00:01.871Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T04:00:01.871Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}