{"id":"vidhyamitra:city-day:erode:2012-09-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2012-09-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-09-13","date_display":"September 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":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456183.770833,"kali_year":5114,"ahargana":1867718.2708,"sun":{"sidereal_longitude":145.875,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":107.2193,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":321.3442,"elapsed_within_tithi_degrees":9.3442},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1,"moon_longitude":107.2193,"elapsed_within_degrees":0.5526},"yoga":{"number":19,"name":"Parigha","sum_longitude":253.0943},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":9,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456183.770833,"ahargana":1867718.2708,"kali_year":5114,"ayanamsa_lahiri":24.0304,"grahas":{"sun":{"sidereal_longitude":146.628575,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":107.881575,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false,"latitude":-4.1694},"mars":{"sidereal_longitude":199.19107499999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":148.64977499999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":51.26867500000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":102.79737499999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":183.14977499999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":219.2979,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":39.2979,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","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":2012,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456183.770833,"kali_year":5114,"ahargana":1867718.2708,"sun":{"sidereal_longitude":145.875,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":107.2193,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":321.3442,"elapsed_within_tithi_degrees":9.3442},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1,"moon_longitude":107.2193,"elapsed_within_degrees":0.5526},"yoga":{"number":19,"name":"Parigha","sum_longitude":253.0943},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.169,"elongation":38.656},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.169,"opposition_distance":141.344}},"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":"06:08","sunsetLocal":"18:21","solarNoonLocal":"12:14","dayLengthHours":12.21265813646857,"dayLengthDisplay":"12 Hours 12 Mins 46 Secs","nightLengthDisplay":"11 Hours 47 Mins 14 Secs","moonriseLocal":"03:23","moonsetLocal":"15:56","rahuKala":{"name":"Rāhu Kāla","start":"13:46","end":"15:18","startHours":13.766204418227469,"endHours":15.292786685286039,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:08","end":"07:40","startHours":6.133293082934613,"endHours":7.659875349993184,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:11","end":"10:43","startHours":9.186457617051754,"endHours":10.713039884110326,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:59","end":"09:23","startHours":8.98291331477728,"endHours":9.390001919326231,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:39","end":"06:58","startHours":6.642153838620803,"endHours":6.967824722259965,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:39","startHours":11.832533546619945,"endHours":12.646710755717852,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:30","end":"05:19","startHours":4.504938664738804,"endHours":5.319115873836709,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:07","end":"06:08","startHours":5.115571571562232,"endHours":6.133293082934613,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:17","end":"15:05","startHours":14.27506517391366,"endHours":15.089242383011564,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:09","end":"18:33","startHours":18.145951219403184,"endHours":18.545951219403182,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:21","end":"18:51","startHours":18.345951219403183,"endHours":18.854811975089373,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:06","end":"19:51","startHours":18.095951219403183,"endHours":19.845951219403183,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:39","startHours":23.832533546619945,"endHours":24.64671075571785,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:08","end":"07:40","startHours":6.133293082934613,"endHours":7.659875349993184,"quality":"auspicious"},{"name":"Roga","start":"07:40","end":"09:11","startHours":7.659875349993184,"endHours":9.186457617051754,"quality":"inauspicious"},{"name":"Udveg","start":"09:11","end":"10:43","startHours":9.186457617051754,"endHours":10.713039884110326,"quality":"inauspicious"},{"name":"Chala","start":"10:43","end":"12:14","startHours":10.713039884110326,"endHours":12.239622151168899,"quality":"neutral"},{"name":"Labha","start":"12:14","end":"13:46","startHours":12.239622151168899,"endHours":13.766204418227469,"quality":"auspicious"},{"name":"Amṛta","start":"13:46","end":"15:18","startHours":13.766204418227469,"endHours":15.292786685286039,"quality":"auspicious"},{"name":"Kāla","start":"15:18","end":"16:49","startHours":15.292786685286039,"endHours":16.81936895234461,"quality":"inauspicious"},{"name":"Śubha","start":"16:49","end":"18:21","startHours":16.81936895234461,"endHours":18.345951219403183,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:21","end":"19:49","startHours":18.345951219403183,"endHours":19.81936895234461,"quality":"auspicious"},{"name":"Kāla","start":"19:49","end":"21:18","startHours":19.81936895234461,"endHours":21.29278668528604,"quality":"inauspicious"},{"name":"Śubha","start":"21:18","end":"22:46","startHours":21.29278668528604,"endHours":22.76620441822747,"quality":"auspicious"},{"name":"Roga","start":"22:46","end":"00:14","startHours":22.76620441822747,"endHours":24.2396221511689,"quality":"inauspicious"},{"name":"Udveg","start":"00:14","end":"01:43","startHours":24.2396221511689,"endHours":25.713039884110326,"quality":"inauspicious"},{"name":"Chala","start":"01:43","end":"03:11","startHours":25.713039884110326,"endHours":27.186457617051758,"quality":"neutral"},{"name":"Labha","start":"03:11","end":"04:40","startHours":27.186457617051758,"endHours":28.659875349993186,"quality":"auspicious"},{"name":"Amṛta","start":"04:40","end":"06:08","startHours":28.659875349993186,"endHours":30.133293082934614,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:08","end":"07:08","startHours":6.133293082934613,"endHours":7.133293082934613,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:08","end":"08:08","startHours":7.133293082934613,"endHours":8.133293082934614,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:08","end":"09:08","startHours":8.133293082934614,"endHours":9.133293082934614,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:08","end":"10:08","startHours":9.133293082934614,"endHours":10.133293082934614,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:08","end":"11:08","startHours":10.133293082934614,"endHours":11.133293082934614,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:08","end":"12:08","startHours":11.133293082934614,"endHours":12.133293082934614,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:08","end":"13:08","startHours":12.133293082934614,"endHours":13.133293082934614,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:08","end":"14:08","startHours":13.133293082934614,"endHours":14.133293082934614,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:08","end":"15:08","startHours":14.133293082934614,"endHours":15.133293082934614,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:08","end":"16:08","startHours":15.133293082934614,"endHours":16.133293082934614,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:08","end":"17:08","startHours":16.133293082934614,"endHours":17.133293082934614,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:08","end":"18:08","startHours":17.133293082934614,"endHours":18.133293082934614,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:08","end":"19:08","startHours":18.133293082934614,"endHours":19.133293082934614,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:08","end":"20:08","startHours":19.133293082934614,"endHours":20.133293082934614,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:08","end":"21:08","startHours":20.133293082934614,"endHours":21.133293082934614,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:08","end":"22:08","startHours":21.133293082934614,"endHours":22.133293082934614,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:08","end":"23:08","startHours":22.133293082934614,"endHours":23.133293082934614,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:08","end":"00:08","startHours":23.133293082934614,"endHours":24.133293082934614,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:08","end":"01:08","startHours":24.133293082934614,"endHours":25.133293082934614,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:08","end":"02:08","startHours":25.133293082934614,"endHours":26.133293082934614,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:08","end":"03:08","startHours":26.133293082934614,"endHours":27.133293082934614,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:08","end":"04:08","startHours":27.133293082934614,"endHours":28.133293082934614,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:08","end":"05:08","startHours":28.133293082934614,"endHours":29.133293082934614,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:08","end":"06:08","startHours":29.133293082934614,"endHours":30.133293082934614,"planetary_lord":"Moon"}],"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","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":3.7013666254339337,"eotMinutes":4.753870929866006,"ayanamsa":24.0304}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Dvādaśī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"festivals":[{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 September 13, 2012 CE · Erode, Tamil Nadu · Vidhyamitra","description":"September 13, 2012 CE for Erode, Tamil Nadu: Kṛṣṇa Dvādaśī, sūryodaya 06:08, sūryāsta 18:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2012-09-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2012-09-13","sa":"https://sa.vidhyamitra.com/city/erode/2012-09-13","hi":"https://hi.vidhyamitra.com/city/erode/2012-09-13","x-default":"https://vidhyamitra.com/city/erode/2012-09-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T17:14:17.615Z","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":"2026-05-15T17:14:17.615Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T17:14:17.615Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}