{"id":"vidhyamitra:city-day:erode:2023-09-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2023-09-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2023-09-15","date_display":"September 15, 2023 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":2023,"month":9,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460202.770833,"kali_year":5125,"ahargana":1871737.2708,"sun":{"sidereal_longitude":146.9958,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":147.1667,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":0.1709,"elapsed_within_tithi_degrees":0.1709},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":147.1667,"elapsed_within_degrees":0.5},"yoga":{"number":23,"name":"Śubha","sum_longitude":294.1625},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"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":2023,"month":9,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2460202.770833,"ahargana":1871737.2708,"kali_year":5125,"ayanamsa_lahiri":24.1841,"grahas":{"sun":{"sidereal_longitude":147.77882,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":147.49311999999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false,"latitude":2.8415},"mars":{"sidereal_longitude":167.47741999999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":133.64062,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":21.227919999999983,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":true},"venus":{"sidereal_longitude":109.79182000000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":308.35672,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":6.352,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":186.352,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","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":2023,"month":9,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460202.770833,"kali_year":5125,"ahargana":1871737.2708,"sun":{"sidereal_longitude":146.9958,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":147.1667,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":0.1709,"elapsed_within_tithi_degrees":0.1709},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":147.1667,"elapsed_within_degrees":0.5},"yoga":{"number":23,"name":"Śubha","sum_longitude":294.1625},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.841,"elongation":0.171},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.841,"opposition_distance":179.829}},"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":"18:20","solarNoonLocal":"12:14","dayLengthHours":12.198807745736922,"dayLengthDisplay":"12 Hours 11 Mins 56 Secs","nightLengthDisplay":"11 Hours 48 Mins 04 Secs","moonriseLocal":"06:07","moonsetLocal":"18:18","rahuKala":{"name":"Rāhu Kāla","start":"10:42","end":"12:14","startHours":10.702391145392845,"endHours":12.227242113609961,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:17","end":"16:48","startHours":15.276944050044191,"endHours":16.801795018261306,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:39","end":"09:11","startHours":7.652689208958615,"endHours":9.17754017717573,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:58","end":"09:23","startHours":8.97422671474678,"endHours":9.380853639604679,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:38","end":"06:58","startHours":6.636121896813872,"endHours":6.961423436700191,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:38","startHours":11.820615188752063,"endHours":12.633869038467859,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:30","end":"05:19","startHours":4.501330541309911,"endHours":5.314584391025705,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:07","end":"06:08","startHours":5.111270928596757,"endHours":6.1278382407415,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:16","end":"15:04","startHours":14.260376737899447,"endHours":15.073630587615241,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:08","end":"18:32","startHours":18.126645986478422,"endHours":18.52664598647842,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:20","end":"18:50","startHours":18.32664598647842,"endHours":18.834929642550794,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:05","end":"19:50","startHours":18.07664598647842,"endHours":19.82664598647842,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:38","startHours":23.820615188752065,"endHours":24.633869038467857,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:08","end":"07:39","startHours":6.1278382407415,"endHours":7.652689208958615,"quality":"neutral"},{"name":"Labha","start":"07:39","end":"09:11","startHours":7.652689208958615,"endHours":9.17754017717573,"quality":"auspicious"},{"name":"Amṛta","start":"09:11","end":"10:42","startHours":9.17754017717573,"endHours":10.702391145392845,"quality":"auspicious"},{"name":"Kāla","start":"10:42","end":"12:14","startHours":10.702391145392845,"endHours":12.227242113609961,"quality":"inauspicious"},{"name":"Śubha","start":"12:14","end":"13:45","startHours":12.227242113609961,"endHours":13.752093081827077,"quality":"auspicious"},{"name":"Roga","start":"13:45","end":"15:17","startHours":13.752093081827077,"endHours":15.276944050044191,"quality":"inauspicious"},{"name":"Udveg","start":"15:17","end":"16:48","startHours":15.276944050044191,"endHours":16.801795018261306,"quality":"inauspicious"},{"name":"Chala","start":"16:48","end":"18:20","startHours":16.801795018261306,"endHours":18.32664598647842,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:20","end":"19:48","startHours":18.32664598647842,"endHours":19.801795018261306,"quality":"inauspicious"},{"name":"Udveg","start":"19:48","end":"21:17","startHours":19.801795018261306,"endHours":21.276944050044193,"quality":"inauspicious"},{"name":"Chala","start":"21:17","end":"22:45","startHours":21.276944050044193,"endHours":22.752093081827077,"quality":"neutral"},{"name":"Labha","start":"22:45","end":"00:14","startHours":22.752093081827077,"endHours":24.22724211360996,"quality":"auspicious"},{"name":"Amṛta","start":"00:14","end":"01:42","startHours":24.22724211360996,"endHours":25.702391145392845,"quality":"auspicious"},{"name":"Kāla","start":"01:42","end":"03:11","startHours":25.702391145392845,"endHours":27.17754017717573,"quality":"inauspicious"},{"name":"Śubha","start":"03:11","end":"04:39","startHours":27.17754017717573,"endHours":28.652689208958616,"quality":"auspicious"},{"name":"Roga","start":"04:39","end":"06:08","startHours":28.652689208958616,"endHours":30.1278382407415,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:08","end":"07:08","startHours":6.1278382407415,"endHours":7.1278382407415,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:08","end":"08:08","startHours":7.1278382407415,"endHours":8.1278382407415,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:08","end":"09:08","startHours":8.1278382407415,"endHours":9.1278382407415,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:08","end":"10:08","startHours":9.1278382407415,"endHours":10.1278382407415,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:08","end":"11:08","startHours":10.1278382407415,"endHours":11.1278382407415,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:08","end":"12:08","startHours":11.1278382407415,"endHours":12.1278382407415,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:08","end":"13:08","startHours":12.1278382407415,"endHours":13.1278382407415,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:08","end":"14:08","startHours":13.1278382407415,"endHours":14.1278382407415,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:08","end":"15:08","startHours":14.1278382407415,"endHours":15.1278382407415,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:08","end":"16:08","startHours":15.1278382407415,"endHours":16.1278382407415,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:08","end":"17:08","startHours":16.1278382407415,"endHours":17.1278382407415,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:08","end":"18:08","startHours":17.1278382407415,"endHours":18.1278382407415,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:08","end":"19:08","startHours":18.1278382407415,"endHours":19.1278382407415,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:08","end":"20:08","startHours":19.1278382407415,"endHours":20.1278382407415,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:08","end":"21:08","startHours":20.1278382407415,"endHours":21.1278382407415,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:08","end":"22:08","startHours":21.1278382407415,"endHours":22.1278382407415,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:08","end":"23:08","startHours":22.1278382407415,"endHours":23.1278382407415,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:08","end":"00:08","startHours":23.1278382407415,"endHours":24.1278382407415,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:08","end":"01:08","startHours":24.1278382407415,"endHours":25.1278382407415,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:08","end":"02:08","startHours":25.1278382407415,"endHours":26.1278382407415,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:08","end":"03:08","startHours":26.1278382407415,"endHours":27.1278382407415,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:08","end":"04:08","startHours":27.1278382407415,"endHours":28.1278382407415,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:08","end":"05:08","startHours":28.1278382407415,"endHours":29.1278382407415,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:08","end":"06:08","startHours":29.1278382407415,"endHours":30.1278382407415,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"West","rahuVasa":"South-East","anandadiYoga":{"name":"Prajāpati","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":3.187779201172736,"eotMinutes":5.496673183402374,"ayanamsa":24.1841}},"calendars":{"vikram_samvat":2080,"vikram_samvatsara":"Nala","saka_samvat":1945,"saka_samvatsara":"Śobhana","bengali_samvat":1430,"malayalam_era":1199,"nanakshahi_year":554,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Pratipada · Vikram 2080 Nala · Śaka 1945 Śobhana"},"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":"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 15, 2023 CE · Erode, Tamil Nadu · Vidhyamitra","description":"September 15, 2023 CE for Erode, Tamil Nadu: Śukla Pratipada, sūryodaya 06:08, sūryāsta 18:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2023-09-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2023-09-15","sa":"https://sa.vidhyamitra.com/city/erode/2023-09-15","hi":"https://hi.vidhyamitra.com/city/erode/2023-09-15","x-default":"https://vidhyamitra.com/city/erode/2023-09-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T00:48:51.893Z","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":"2026-05-15T00:48:51.893Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T00:48:51.893Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}