{"id":"vidhyamitra:city-day:erode:2011-09-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2011-09-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-09-09","date_display":"September 9, 2011 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":2011,"month":9,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455813.770833,"kali_year":5113,"ahargana":1867348.2708,"sun":{"sidereal_longitude":141.2776,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":282.5155,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":141.2379,"elapsed_within_tithi_degrees":9.2379},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1,"moon_longitude":282.5155,"elapsed_within_degrees":2.5155},"yoga":{"number":5,"name":"Śobhana","sum_longitude":63.7931},"karana":{"half_tithi_index":23,"name":"Bālava"},"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":2011,"month":9,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455813.770833,"ahargana":1867348.2708,"kali_year":5113,"ayanamsa_lahiri":24.0163,"grahas":{"sun":{"sidereal_longitude":142.01681199999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":284.0113120000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false,"latitude":3.1024},"mars":{"sidereal_longitude":89.563312,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":125.55451199999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":16.075512000000003,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":true},"venus":{"sidereal_longitude":148.31751199999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":171.77441199999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":238.9023,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":58.9023,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2},"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":2011,"month":9,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455813.770833,"kali_year":5113,"ahargana":1867348.2708,"sun":{"sidereal_longitude":141.2776,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":282.5155,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":141.2379,"elapsed_within_tithi_degrees":9.2379},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1,"moon_longitude":282.5155,"elapsed_within_degrees":2.5155},"yoga":{"number":5,"name":"Śobhana","sum_longitude":63.7931},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.102,"elongation":141.238},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.102,"opposition_distance":38.762}},"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":"18:24","solarNoonLocal":"12:16","dayLengthHours":12.261620134191993,"dayLengthDisplay":"12 Hours 15 Mins 42 Secs","nightLengthDisplay":"11 Hours 44 Mins 18 Secs","moonriseLocal":"15:56","moonsetLocal":"03:31","rahuKala":{"name":"Rāhu Kāla","start":"10:44","end":"12:16","startHours":10.731460389505862,"endHours":12.26416290627986,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:20","end":"16:52","startHours":15.329567939827859,"endHours":16.86227045660186,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:40","end":"09:12","startHours":7.666055355957863,"endHours":9.198757872731862,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:00","end":"09:24","startHours":8.994397537161996,"endHours":9.403118208301729,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:39","end":"06:58","startHours":6.64425367810853,"endHours":6.9712302150203165,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:51","end":"12:40","startHours":11.855442235140128,"endHours":12.672883577419594,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:30","end":"05:19","startHours":4.498470154624932,"endHours":5.315911496904398,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:07","end":"06:08","startHours":5.111551161334532,"endHours":6.133352839183864,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:18","end":"15:08","startHours":14.307766261978525,"endHours":15.12520760425799,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:12","end":"18:36","startHours":18.194972973375858,"endHours":18.594972973375857,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:24","end":"18:54","startHours":18.394972973375857,"endHours":18.905873812300523,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:09","end":"19:54","startHours":18.144972973375857,"endHours":19.894972973375857,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:51","end":"00:40","startHours":23.855442235140128,"endHours":24.672883577419594,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:08","end":"07:40","startHours":6.133352839183864,"endHours":7.666055355957863,"quality":"neutral"},{"name":"Labha","start":"07:40","end":"09:12","startHours":7.666055355957863,"endHours":9.198757872731862,"quality":"auspicious"},{"name":"Amṛta","start":"09:12","end":"10:44","startHours":9.198757872731862,"endHours":10.731460389505862,"quality":"auspicious"},{"name":"Kāla","start":"10:44","end":"12:16","startHours":10.731460389505862,"endHours":12.26416290627986,"quality":"inauspicious"},{"name":"Śubha","start":"12:16","end":"13:48","startHours":12.26416290627986,"endHours":13.796865423053859,"quality":"auspicious"},{"name":"Roga","start":"13:48","end":"15:20","startHours":13.796865423053859,"endHours":15.329567939827859,"quality":"inauspicious"},{"name":"Udveg","start":"15:20","end":"16:52","startHours":15.329567939827859,"endHours":16.86227045660186,"quality":"inauspicious"},{"name":"Chala","start":"16:52","end":"18:24","startHours":16.86227045660186,"endHours":18.394972973375857,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:24","end":"19:52","startHours":18.394972973375857,"endHours":19.86227045660186,"quality":"inauspicious"},{"name":"Udveg","start":"19:52","end":"21:20","startHours":19.86227045660186,"endHours":21.32956793982786,"quality":"inauspicious"},{"name":"Chala","start":"21:20","end":"22:48","startHours":21.32956793982786,"endHours":22.79686542305386,"quality":"neutral"},{"name":"Labha","start":"22:48","end":"00:16","startHours":22.79686542305386,"endHours":24.26416290627986,"quality":"auspicious"},{"name":"Amṛta","start":"00:16","end":"01:44","startHours":24.26416290627986,"endHours":25.731460389505862,"quality":"auspicious"},{"name":"Kāla","start":"01:44","end":"03:12","startHours":25.731460389505862,"endHours":27.19875787273186,"quality":"inauspicious"},{"name":"Śubha","start":"03:12","end":"04:40","startHours":27.19875787273186,"endHours":28.666055355957862,"quality":"auspicious"},{"name":"Roga","start":"04:40","end":"06:08","startHours":28.666055355957862,"endHours":30.133352839183864,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:08","end":"07:08","startHours":6.133352839183864,"endHours":7.133352839183864,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:08","end":"08:08","startHours":7.133352839183864,"endHours":8.133352839183864,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:08","end":"09:08","startHours":8.133352839183864,"endHours":9.133352839183864,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:08","end":"10:08","startHours":9.133352839183864,"endHours":10.133352839183864,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:08","end":"11:08","startHours":10.133352839183864,"endHours":11.133352839183864,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:08","end":"12:08","startHours":11.133352839183864,"endHours":12.133352839183864,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:08","end":"13:08","startHours":12.133352839183864,"endHours":13.133352839183864,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:08","end":"14:08","startHours":13.133352839183864,"endHours":14.133352839183864,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:08","end":"15:08","startHours":14.133352839183864,"endHours":15.133352839183864,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:08","end":"16:08","startHours":15.133352839183864,"endHours":16.133352839183864,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:08","end":"17:08","startHours":16.133352839183864,"endHours":17.133352839183864,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:08","end":"18:08","startHours":17.133352839183864,"endHours":18.133352839183864,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:08","end":"19:08","startHours":18.133352839183864,"endHours":19.133352839183864,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:08","end":"20:08","startHours":19.133352839183864,"endHours":20.133352839183864,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:08","end":"21:08","startHours":20.133352839183864,"endHours":21.133352839183864,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:08","end":"22:08","startHours":21.133352839183864,"endHours":22.133352839183864,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:08","end":"23:08","startHours":22.133352839183864,"endHours":23.133352839183864,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:08","end":"00:08","startHours":23.133352839183864,"endHours":24.133352839183864,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:08","end":"01:08","startHours":24.133352839183864,"endHours":25.133352839183864,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:08","end":"02:08","startHours":25.133352839183864,"endHours":26.133352839183864,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:08","end":"03:08","startHours":26.133352839183864,"endHours":27.133352839183864,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:08","end":"04:08","startHours":27.133352839183864,"endHours":28.133352839183864,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:08","end":"05:08","startHours":28.133352839183864,"endHours":29.133352839183864,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:08","end":"06:08","startHours":29.133352839183864,"endHours":30.133352839183864,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"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":5.508714484564225,"eotMinutes":3.2814256232083188,"ayanamsa":24.0163}},"calendars":{"vikram_samvat":2068,"vikram_samvatsara":"Krodhi","saka_samvat":1933,"saka_samvatsara":"Khara","bengali_samvat":1418,"malayalam_era":1187,"nanakshahi_year":542,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Dvādaśī · Vikram 2068 Krodhi · Śaka 1933 Khara"},"festivals":[{"id":"vamana-jayanti","name":"Vāmana Jayantī","name_sanskrit":"वामन जयन्ती","tradition":"Vaishnava","associated_deity":"Vāmana (5th daśāvatāra of Krishna)","deity_avatara_index":15,"significance":"Vāmana's three-step measure of all worlds; Bali's surrender. (= Onam in Kerala.)","vrata":true,"detection":{"tithi_number":12,"tithi_paksha":"Śukla","lunar_month":"Bhādrapada"},"precedence":2,"sources":["Bhāgavata 8.18-22"]},{"id":"onam","name":"Onam (Vāmana / King Bali)","name_sanskrit":"ओणम् (वामन-बलि स्मरण)","tradition":"Regional","associated_deity":"Vāmana + King Bali","significance":"Kerala festival; King Bali's annual return to Kerala. Aligned with Thiru-Onam (Śravaṇa nakshatra in Bhādrapada).","vrata":false,"detection":{"nakshatra_name":"Śravaṇa","lunar_month":"Bhādrapada"},"precedence":2},{"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":"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 September 9, 2011 CE · Erode, Tamil Nadu · Vidhyamitra","description":"September 9, 2011 CE for Erode, Tamil Nadu: Śukla Dvādaśī, sūryodaya 06:08, sūryāsta 18:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2011-09-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2011-09-09","sa":"https://sa.vidhyamitra.com/city/erode/2011-09-09","hi":"https://hi.vidhyamitra.com/city/erode/2011-09-09","x-default":"https://vidhyamitra.com/city/erode/2011-09-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T08:04:41.609Z","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":"2026-05-16T08:04:41.609Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T08:04:41.609Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}