{"id":"vidhyamitra:city-day:erode:1964-09-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1964-09-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1964-09-15","date_display":"September 15, 1964 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":1964,"month":9,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438653.770833,"kali_year":5066,"ahargana":1850188.2708,"sun":{"sidereal_longitude":148.2273,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":251.0671,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":102.8398,"elapsed_within_tithi_degrees":6.8398},"nakshatra":{"number":19,"name":"Mūla","pada":4,"moon_longitude":251.0671,"elapsed_within_degrees":11.0671},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":39.2944},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1964,"month":9,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2438653.770833,"ahargana":1850188.2708,"kali_year":5066,"ayanamsa_lahiri":23.36,"grahas":{"sun":{"sidereal_longitude":148.87014999999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":251.25175000000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false,"latitude":-0.231},"mars":{"sidereal_longitude":97.00745,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":132.35024999999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":33.46785,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":104.25565,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":307.47895000000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":68.1217,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":248.1217,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":1964,"month":9,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438653.770833,"kali_year":5066,"ahargana":1850188.2708,"sun":{"sidereal_longitude":148.2273,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":251.0671,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":102.8398,"elapsed_within_tithi_degrees":6.8398},"nakshatra":{"number":19,"name":"Mūla","pada":4,"moon_longitude":251.0671,"elapsed_within_degrees":11.0671},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":39.2944},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.231,"elongation":102.84},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.231,"opposition_distance":77.16}},"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":12.195967398372346,"dayLengthDisplay":"12 Hours 11 Mins 45 Secs","nightLengthDisplay":"11 Hours 48 Mins 15 Secs","moonriseLocal":"13:20","moonsetLocal":"00:46","rahuKala":{"name":"Rāhu Kāla","start":"15:17","end":"16:48","startHours":15.276233963203047,"endHours":16.80072988799959,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:11","end":"10:42","startHours":9.178250264016874,"endHours":10.702746188813418,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:14","end":"13:45","startHours":12.227242113609961,"endHours":13.751738038406504,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:58","end":"09:23","startHours":8.974984140710667,"endHours":9.38151638732308,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:38","end":"06:58","startHours":6.637423722689301,"endHours":6.96264951997923,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:38","startHours":11.82070986699755,"endHours":12.633774360222372,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:30","end":"05:19","startHours":4.503129427974141,"endHours":5.3161939211989635,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:07","end":"06:08","startHours":5.112927797892758,"endHours":6.129258414423787,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:16","end":"15:04","startHours":14.259903346672019,"endHours":15.072967839896842,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:08","end":"18:32","startHours":18.125225812796135,"endHours":18.525225812796133,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:20","end":"18:50","startHours":18.325225812796134,"endHours":18.83339112106165,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:05","end":"19:50","startHours":18.075225812796134,"endHours":19.825225812796134,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:38","startHours":23.82070986699755,"endHours":24.63377436022237,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:08","end":"07:39","startHours":6.129258414423787,"endHours":7.65375433922033,"quality":"inauspicious"},{"name":"Udveg","start":"07:39","end":"09:11","startHours":7.65375433922033,"endHours":9.178250264016874,"quality":"inauspicious"},{"name":"Chala","start":"09:11","end":"10:42","startHours":9.178250264016874,"endHours":10.702746188813418,"quality":"neutral"},{"name":"Labha","start":"10:42","end":"12:14","startHours":10.702746188813418,"endHours":12.227242113609961,"quality":"auspicious"},{"name":"Amṛta","start":"12:14","end":"13:45","startHours":12.227242113609961,"endHours":13.751738038406504,"quality":"auspicious"},{"name":"Kāla","start":"13:45","end":"15:17","startHours":13.751738038406504,"endHours":15.276233963203047,"quality":"inauspicious"},{"name":"Śubha","start":"15:17","end":"16:48","startHours":15.276233963203047,"endHours":16.80072988799959,"quality":"auspicious"},{"name":"Roga","start":"16:48","end":"18:20","startHours":16.80072988799959,"endHours":18.325225812796134,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:20","end":"19:48","startHours":18.325225812796134,"endHours":19.80072988799959,"quality":"inauspicious"},{"name":"Śubha","start":"19:48","end":"21:17","startHours":19.80072988799959,"endHours":21.276233963203047,"quality":"auspicious"},{"name":"Roga","start":"21:17","end":"22:45","startHours":21.276233963203047,"endHours":22.751738038406504,"quality":"inauspicious"},{"name":"Udveg","start":"22:45","end":"00:14","startHours":22.751738038406504,"endHours":24.22724211360996,"quality":"inauspicious"},{"name":"Chala","start":"00:14","end":"01:42","startHours":24.22724211360996,"endHours":25.702746188813418,"quality":"neutral"},{"name":"Labha","start":"01:42","end":"03:11","startHours":25.702746188813418,"endHours":27.178250264016874,"quality":"auspicious"},{"name":"Amṛta","start":"03:11","end":"04:39","startHours":27.178250264016874,"endHours":28.65375433922033,"quality":"auspicious"},{"name":"Kāla","start":"04:39","end":"06:08","startHours":28.65375433922033,"endHours":30.129258414423788,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:08","end":"07:08","startHours":6.129258414423787,"endHours":7.129258414423787,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:08","end":"08:08","startHours":7.129258414423787,"endHours":8.129258414423788,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:08","end":"09:08","startHours":8.129258414423788,"endHours":9.129258414423788,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:08","end":"10:08","startHours":9.129258414423788,"endHours":10.129258414423788,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:08","end":"11:08","startHours":10.129258414423788,"endHours":11.129258414423788,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:08","end":"12:08","startHours":11.129258414423788,"endHours":12.129258414423788,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:08","end":"13:08","startHours":12.129258414423788,"endHours":13.129258414423788,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:08","end":"14:08","startHours":13.129258414423788,"endHours":14.129258414423788,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:08","end":"15:08","startHours":14.129258414423788,"endHours":15.129258414423788,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:08","end":"16:08","startHours":15.129258414423788,"endHours":16.129258414423788,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:08","end":"17:08","startHours":16.129258414423788,"endHours":17.129258414423788,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:08","end":"18:08","startHours":17.129258414423788,"endHours":18.129258414423788,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:08","end":"19:08","startHours":18.129258414423788,"endHours":19.129258414423788,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:08","end":"20:08","startHours":19.129258414423788,"endHours":20.129258414423788,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:08","end":"21:08","startHours":20.129258414423788,"endHours":21.129258414423788,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:08","end":"22:08","startHours":21.129258414423788,"endHours":22.129258414423788,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:08","end":"23:08","startHours":22.129258414423788,"endHours":23.129258414423788,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:08","end":"00:08","startHours":23.129258414423788,"endHours":24.129258414423788,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:08","end":"01:08","startHours":24.129258414423788,"endHours":25.129258414423788,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:08","end":"02:08","startHours":25.129258414423788,"endHours":26.129258414423788,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:08","end":"03:08","startHours":26.129258414423788,"endHours":27.129258414423788,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:08","end":"04:08","startHours":27.129258414423788,"endHours":28.129258414423788,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:08","end":"05:08","startHours":28.129258414423788,"endHours":29.129258414423788,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:08","end":"06:08","startHours":29.129258414423788,"endHours":30.129258414423788,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","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":"North (Uttara)","chandraVasa":"East","rahuVasa":"North","anandadiYoga":{"name":"Sushira","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":3.0823450375749664,"eotMinutes":5.496673183402374,"ayanamsa":23.36}},"calendars":{"vikram_samvat":2021,"vikram_samvatsara":"Piṅgala","saka_samvat":1886,"saka_samvatsara":"Krodhi","bengali_samvat":1371,"malayalam_era":1140,"nanakshahi_year":495,"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 Navamī · Vikram 2021 Piṅgala · Śaka 1886 Krodhi"},"festivals":[],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","relevance":0.5}]},"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, 1964 CE · Erode, Tamil Nadu · Vidhyamitra","description":"September 15, 1964 CE for Erode, Tamil Nadu: Śukla Navamī, sūryodaya 06:08, sūryāsta 18:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1964-09-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1964-09-15","sa":"https://sa.vidhyamitra.com/city/erode/1964-09-15","hi":"https://hi.vidhyamitra.com/city/erode/1964-09-15","x-default":"https://vidhyamitra.com/city/erode/1964-09-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T00:05:51.393Z","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":"2026-06-01T00:05:51.393Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T00:05:51.393Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}