{"id":"vidhyamitra:city-day:erode:2012-04-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2012-04-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-04-13","date_display":"April 13, 2012 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":2012,"month":4,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456030.770833,"kali_year":5113,"ahargana":1867565.2708,"sun":{"sidereal_longitude":359.6015,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":261.2672,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":261.6657,"elapsed_within_tithi_degrees":9.6657},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3,"moon_longitude":261.2672,"elapsed_within_degrees":7.9338},"yoga":{"number":20,"name":"Śiva","sum_longitude":260.8686},"karana":{"half_tithi_index":43,"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":2012,"month":4,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456030.770833,"ahargana":1867565.2708,"kali_year":5113,"ayanamsa_lahiri":24.0246,"grahas":{"sun":{"sidereal_longitude":359.494121,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":264.34202099999993,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false,"latitude":2.5056},"mars":{"sidereal_longitude":129.46032100000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":332.76222099999995,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":21.786921000000007,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":44.109920999999986,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":182.12272099999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":227.4046,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":47.4046,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":2012,"month":4,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456030.770833,"kali_year":5113,"ahargana":1867565.2708,"sun":{"sidereal_longitude":359.6015,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":261.2672,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":261.6657,"elapsed_within_tithi_degrees":9.6657},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3,"moon_longitude":261.2672,"elapsed_within_degrees":7.9338},"yoga":{"number":20,"name":"Śiva","sum_longitude":260.8686},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.506,"elongation":98.334},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.506,"opposition_distance":81.666}},"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":12.361167220209689,"dayLengthDisplay":"12 Hours 21 Mins 40 Secs","nightLengthDisplay":"11 Hours 38 Mins 20 Secs","moonriseLocal":"00:15","moonsetLocal":"11:43","rahuKala":{"name":"Rāhu Kāla","start":"10:47","end":"12:20","startHours":10.786537611302194,"endHours":12.331683513828406,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:25","end":"16:58","startHours":15.421975318880827,"endHours":16.967121221407037,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:42","end":"09:14","startHours":7.696245806249771,"endHours":9.241391708775982,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:02","end":"09:27","startHours":9.035372255105822,"endHours":9.447411162446144,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:40","end":"07:00","startHours":6.666148537898964,"endHours":6.995779663771223,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:55","end":"12:45","startHours":11.919644606488083,"endHours":12.743722421168728,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:30","end":"05:20","startHours":4.502944274362268,"endHours":5.327022089042915,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:07","end":"06:09","startHours":5.1210026353727525,"endHours":6.15109990372356,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:24","end":"15:13","startHours":14.39187805053002,"endHours":15.215955865210665,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:19","end":"18:43","startHours":18.31226712393325,"endHours":18.71226712393325,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:31","end":"19:02","startHours":18.51226712393325,"endHours":19.027315758108653,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:16","end":"20:01","startHours":18.26226712393325,"endHours":20.01226712393325,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:55","end":"00:45","startHours":23.91964460648808,"endHours":24.74372242116873,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:09","end":"07:42","startHours":6.15109990372356,"endHours":7.696245806249771,"quality":"neutral"},{"name":"Labha","start":"07:42","end":"09:14","startHours":7.696245806249771,"endHours":9.241391708775982,"quality":"auspicious"},{"name":"Amṛta","start":"09:14","end":"10:47","startHours":9.241391708775982,"endHours":10.786537611302194,"quality":"auspicious"},{"name":"Kāla","start":"10:47","end":"12:20","startHours":10.786537611302194,"endHours":12.331683513828406,"quality":"inauspicious"},{"name":"Śubha","start":"12:20","end":"13:53","startHours":12.331683513828406,"endHours":13.876829416354616,"quality":"auspicious"},{"name":"Roga","start":"13:53","end":"15:25","startHours":13.876829416354616,"endHours":15.421975318880827,"quality":"inauspicious"},{"name":"Udveg","start":"15:25","end":"16:58","startHours":15.421975318880827,"endHours":16.967121221407037,"quality":"inauspicious"},{"name":"Chala","start":"16:58","end":"18:31","startHours":16.967121221407037,"endHours":18.51226712393325,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:31","end":"19:58","startHours":18.51226712393325,"endHours":19.967121221407037,"quality":"inauspicious"},{"name":"Udveg","start":"19:58","end":"21:25","startHours":19.967121221407037,"endHours":21.421975318880826,"quality":"inauspicious"},{"name":"Chala","start":"21:25","end":"22:53","startHours":21.421975318880826,"endHours":22.876829416354617,"quality":"neutral"},{"name":"Labha","start":"22:53","end":"00:20","startHours":22.876829416354617,"endHours":24.331683513828406,"quality":"auspicious"},{"name":"Amṛta","start":"00:20","end":"01:47","startHours":24.331683513828406,"endHours":25.786537611302194,"quality":"auspicious"},{"name":"Kāla","start":"01:47","end":"03:14","startHours":25.786537611302194,"endHours":27.241391708775982,"quality":"inauspicious"},{"name":"Śubha","start":"03:14","end":"04:42","startHours":27.241391708775982,"endHours":28.69624580624977,"quality":"auspicious"},{"name":"Roga","start":"04:42","end":"06:09","startHours":28.69624580624977,"endHours":30.151099903723562,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:09","end":"07:09","startHours":6.15109990372356,"endHours":7.15109990372356,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:09","end":"08:09","startHours":7.15109990372356,"endHours":8.15109990372356,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:09","end":"09:09","startHours":8.15109990372356,"endHours":9.15109990372356,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:09","end":"10:09","startHours":9.15109990372356,"endHours":10.15109990372356,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:09","end":"11:09","startHours":10.15109990372356,"endHours":11.15109990372356,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:09","end":"12:09","startHours":11.15109990372356,"endHours":12.15109990372356,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:09","end":"13:09","startHours":12.15109990372356,"endHours":13.15109990372356,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:09","end":"14:09","startHours":13.15109990372356,"endHours":14.15109990372356,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:09","end":"15:09","startHours":14.15109990372356,"endHours":15.15109990372356,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:09","end":"16:09","startHours":15.15109990372356,"endHours":16.151099903723562,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:09","end":"17:09","startHours":16.151099903723562,"endHours":17.151099903723562,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:09","end":"18:09","startHours":17.151099903723562,"endHours":18.151099903723562,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:09","end":"19:09","startHours":18.151099903723562,"endHours":19.151099903723562,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:09","end":"20:09","startHours":19.151099903723562,"endHours":20.151099903723562,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:09","end":"21:09","startHours":20.151099903723562,"endHours":21.151099903723562,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:09","end":"22:09","startHours":21.151099903723562,"endHours":22.151099903723562,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:09","end":"23:09","startHours":22.151099903723562,"endHours":23.151099903723562,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:09","end":"00:09","startHours":23.151099903723562,"endHours":24.151099903723562,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:09","end":"01:09","startHours":24.151099903723562,"endHours":25.151099903723562,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:09","end":"02:09","startHours":25.151099903723562,"endHours":26.151099903723562,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:09","end":"03:09","startHours":26.151099903723562,"endHours":27.151099903723562,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:09","end":"04:09","startHours":27.151099903723562,"endHours":28.151099903723562,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:09","end":"05:09","startHours":28.151099903723562,"endHours":29.151099903723562,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:09","end":"06:09","startHours":29.151099903723562,"endHours":30.151099903723562,"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":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"South-East","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"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":9.132295925257631,"eotMinutes":-0.7698108297043191,"ayanamsa":24.0246}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Kṛṣṇa Saptamī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"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":"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, 2012 CE · Erode, Tamil Nadu · Vidhyamitra","description":"April 13, 2012 CE for Erode, Tamil Nadu: Kṛṣṇa Saptamī, sūryodaya 06:09, sūryāsta 18:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2012-04-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2012-04-13","sa":"https://sa.vidhyamitra.com/city/erode/2012-04-13","hi":"https://hi.vidhyamitra.com/city/erode/2012-04-13","x-default":"https://vidhyamitra.com/city/erode/2012-04-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T15:01:25.375Z","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":"2026-05-15T15:01:25.375Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T15:01:25.375Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}