{"id":"vidhyamitra:city-day:erode:1950-09-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1950-09-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1950-09-13","date_display":"September 13, 1950 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":1950,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2433537.770833,"kali_year":5052,"ahargana":1845072.2708,"sun":{"sidereal_longitude":145.9167,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":156.193,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":10.2763,"elapsed_within_tithi_degrees":10.2763},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3,"moon_longitude":156.193,"elapsed_within_degrees":9.5264},"yoga":{"number":23,"name":"Śubha","sum_longitude":302.1097},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1950,"month":9,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2433537.770833,"ahargana":1845072.2708,"kali_year":5052,"ayanamsa_lahiri":23.1643,"grahas":{"sun":{"sidereal_longitude":146.520419,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":158.26641900000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false,"latitude":0.2352},"mars":{"sidereal_longitude":208.80451900000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":155.90541899999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":307.950419,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":131.24341900000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":149.36881900000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":339.192,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":159.192,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","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":1950,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2433537.770833,"kali_year":5052,"ahargana":1845072.2708,"sun":{"sidereal_longitude":145.9167,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":156.193,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":10.2763,"elapsed_within_tithi_degrees":10.2763},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3,"moon_longitude":156.193,"elapsed_within_degrees":9.5264},"yoga":{"number":23,"name":"Śubha","sum_longitude":302.1097},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.235,"elongation":10.276},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.235,"opposition_distance":169.724}},"eclipse_window_40days":[{"offset_days":-1,"type":"solar","occurs":true,"moon_latitude":1.306,"elongation":2.594},{"offset_days":13,"type":"lunar","occurs":true,"moon_latitude":0.007,"opposition_distance":0.001}]},"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":12.22299508441622,"dayLengthDisplay":"12 Hours 13 Mins 23 Secs","nightLengthDisplay":"11 Hours 46 Mins 37 Secs","moonriseLocal":"06:59","moonsetLocal":"19:03","rahuKala":{"name":"Rāhu Kāla","start":"12:14","end":"13:46","startHours":12.239622151168899,"endHours":13.767496536720925,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:39","end":"09:11","startHours":7.655998994512815,"endHours":9.183873380064842,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:43","end":"12:14","startHours":10.71174776561687,"endHours":12.239622151168899,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:59","end":"09:23","startHours":8.980156795324572,"endHours":9.387589964805112,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:38","end":"06:58","startHours":6.637416070811463,"endHours":6.963362606395896,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:39","startHours":11.832188981688358,"endHours":12.64705532064944,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:30","end":"05:19","startHours":4.498391931038625,"endHours":5.3132582699997055,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:07","end":"06:08","startHours":5.109541685259435,"endHours":6.128124608960787,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:17","end":"15:05","startHours":14.276787998571601,"endHours":15.091654337532683,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:09","end":"18:33","startHours":18.15111969337701,"endHours":18.551119693377007,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:21","end":"18:52","startHours":18.351119693377008,"endHours":18.860411155227684,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:06","end":"19:51","startHours":18.101119693377008,"endHours":19.851119693377008,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:39","startHours":23.832188981688358,"endHours":24.64705532064944,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:08","end":"07:39","startHours":6.128124608960787,"endHours":7.655998994512815,"quality":"auspicious"},{"name":"Amṛta","start":"07:39","end":"09:11","startHours":7.655998994512815,"endHours":9.183873380064842,"quality":"auspicious"},{"name":"Kāla","start":"09:11","end":"10:43","startHours":9.183873380064842,"endHours":10.71174776561687,"quality":"inauspicious"},{"name":"Śubha","start":"10:43","end":"12:14","startHours":10.71174776561687,"endHours":12.239622151168899,"quality":"auspicious"},{"name":"Roga","start":"12:14","end":"13:46","startHours":12.239622151168899,"endHours":13.767496536720925,"quality":"inauspicious"},{"name":"Udveg","start":"13:46","end":"15:18","startHours":13.767496536720925,"endHours":15.295370922272953,"quality":"inauspicious"},{"name":"Chala","start":"15:18","end":"16:49","startHours":15.295370922272953,"endHours":16.82324530782498,"quality":"neutral"},{"name":"Labha","start":"16:49","end":"18:21","startHours":16.82324530782498,"endHours":18.351119693377008,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:21","end":"19:49","startHours":18.351119693377008,"endHours":19.82324530782498,"quality":"inauspicious"},{"name":"Chala","start":"19:49","end":"21:18","startHours":19.82324530782498,"endHours":21.29537092227295,"quality":"neutral"},{"name":"Labha","start":"21:18","end":"22:46","startHours":21.29537092227295,"endHours":22.767496536720927,"quality":"auspicious"},{"name":"Amṛta","start":"22:46","end":"00:14","startHours":22.767496536720927,"endHours":24.2396221511689,"quality":"auspicious"},{"name":"Kāla","start":"00:14","end":"01:43","startHours":24.2396221511689,"endHours":25.71174776561687,"quality":"inauspicious"},{"name":"Śubha","start":"01:43","end":"03:11","startHours":25.71174776561687,"endHours":27.183873380064842,"quality":"auspicious"},{"name":"Roga","start":"03:11","end":"04:39","startHours":27.183873380064842,"endHours":28.655998994512814,"quality":"inauspicious"},{"name":"Udveg","start":"04:39","end":"06:08","startHours":28.655998994512814,"endHours":30.12812460896079,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:08","end":"07:08","startHours":6.128124608960787,"endHours":7.128124608960787,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:08","end":"08:08","startHours":7.128124608960787,"endHours":8.128124608960787,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:08","end":"09:08","startHours":8.128124608960787,"endHours":9.128124608960787,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:08","end":"10:08","startHours":9.128124608960787,"endHours":10.128124608960787,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:08","end":"11:08","startHours":10.128124608960787,"endHours":11.128124608960787,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:08","end":"12:08","startHours":11.128124608960787,"endHours":12.128124608960787,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:08","end":"13:08","startHours":12.128124608960787,"endHours":13.128124608960787,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:08","end":"14:08","startHours":13.128124608960787,"endHours":14.128124608960787,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:08","end":"15:08","startHours":14.128124608960787,"endHours":15.128124608960787,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:08","end":"16:08","startHours":15.128124608960787,"endHours":16.12812460896079,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:08","end":"17:08","startHours":16.12812460896079,"endHours":17.12812460896079,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:08","end":"18:08","startHours":17.12812460896079,"endHours":18.12812460896079,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:08","end":"19:08","startHours":18.12812460896079,"endHours":19.12812460896079,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:08","end":"20:08","startHours":19.12812460896079,"endHours":20.12812460896079,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:08","end":"21:08","startHours":20.12812460896079,"endHours":21.12812460896079,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:08","end":"22:08","startHours":21.12812460896079,"endHours":22.12812460896079,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:08","end":"23:08","startHours":22.12812460896079,"endHours":23.12812460896079,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:08","end":"00:08","startHours":23.12812460896079,"endHours":24.12812460896079,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:08","end":"01:08","startHours":24.12812460896079,"endHours":25.12812460896079,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:08","end":"02:08","startHours":25.12812460896079,"endHours":26.12812460896079,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:08","end":"03:08","startHours":26.12812460896079,"endHours":27.12812460896079,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:08","end":"04:08","startHours":27.12812460896079,"endHours":28.12812460896079,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:08","end":"05:08","startHours":28.12812460896079,"endHours":29.12812460896079,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:08","end":"06:08","startHours":29.12812460896079,"endHours":30.12812460896079,"planetary_lord":"Sun"}],"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":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"North-West","rahuVasa":"South-West","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":4.084052061352207,"eotMinutes":4.753870929866006,"ayanamsa":23.1643}},"calendars":{"vikram_samvat":2007,"vikram_samvatsara":"Śobhana","saka_samvat":1872,"saka_samvatsara":"Vikṛti","bengali_samvat":1357,"malayalam_era":1126,"nanakshahi_year":481,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Pratipada · Vikram 2007 Śobhana · Śaka 1872 Vikṛti"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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, 1950 CE · Erode, Tamil Nadu · Vidhyamitra","description":"September 13, 1950 CE for Erode, Tamil Nadu: Śukla Pratipada, sūryodaya 06:08, sūryāsta 18:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1950-09-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1950-09-13","sa":"https://sa.vidhyamitra.com/city/erode/1950-09-13","hi":"https://hi.vidhyamitra.com/city/erode/1950-09-13","x-default":"https://vidhyamitra.com/city/erode/1950-09-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T01:50:00.327Z","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":"2026-05-31T01:50:00.327Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T01:50:00.327Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}