{"id":"vidhyamitra:city-day:erode:2177-09-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2177-09-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2177-09-30","date_display":"September 30, 2177 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":2177,"month":9,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2516465.770833,"kali_year":5279,"ahargana":1928000.2708,"sun":{"sidereal_longitude":159.8335,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":251.9818,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":92.1484,"elapsed_within_tithi_degrees":8.1484},"nakshatra":{"number":19,"name":"Mūla","pada":4,"moon_longitude":251.9818,"elapsed_within_degrees":11.9818},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":51.8153},"karana":{"half_tithi_index":15,"name":"Bava"},"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":2177,"month":9,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2516465.770833,"ahargana":1928000.2708,"kali_year":5279,"ayanamsa_lahiri":26.336,"grahas":{"sun":{"sidereal_longitude":161.01026000000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"moon":{"sidereal_longitude":253.07776,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false,"latitude":-1.0331},"mars":{"sidereal_longitude":151.01135999999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":178.31546000000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":9.543259999999975,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":true},"venus":{"sidereal_longitude":145.50106,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":39.792959999999994,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":265.2675,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":85.2675,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","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":2177,"month":9,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2516465.770833,"kali_year":5279,"ahargana":1928000.2708,"sun":{"sidereal_longitude":159.8335,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":251.9818,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":92.1484,"elapsed_within_tithi_degrees":8.1484},"nakshatra":{"number":19,"name":"Mūla","pada":4,"moon_longitude":251.9818,"elapsed_within_degrees":11.9818},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":51.8153},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.033,"elongation":92.148},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.033,"opposition_distance":87.852}},"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":"06:07","sunsetLocal":"18:09","solarNoonLocal":"12:08","dayLengthHours":12.035398761732303,"dayLengthDisplay":"12 Hours 02 Mins 07 Secs","nightLengthDisplay":"11 Hours 57 Mins 53 Secs","moonriseLocal":"12:34","moonsetLocal":"00:00","rahuKala":{"name":"Rāhu Kāla","start":"15:09","end":"16:39","startHours":15.146958418516647,"endHours":16.651383263733187,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:08","end":"10:38","startHours":9.129259037650495,"endHours":10.633683882867034,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:08","end":"13:39","startHours":12.138108728083573,"endHours":13.64253357330011,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:56","end":"09:20","startHours":8.92866905828829,"endHours":9.329849017012702,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:37","end":"06:57","startHours":6.621884295622933,"endHours":6.942828262602461,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:44","end":"12:32","startHours":11.736928769359162,"endHours":12.539288686807984,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:31","end":"05:19","startHours":4.51568951231978,"endHours":5.3180494297686005,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:07","end":"06:07","startHours":5.117459450406395,"endHours":6.120409347217421,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:57","startHours":14.144008521705622,"endHours":14.946368439154442,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:57","end":"18:21","startHours":17.955808108949725,"endHours":18.355808108949724,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:09","end":"18:39","startHours":18.155808108949724,"endHours":18.657283057355237,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:54","end":"19:39","startHours":17.905808108949724,"endHours":19.655808108949724,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:44","end":"00:32","startHours":23.736928769359164,"endHours":24.539288686807982,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:07","end":"07:37","startHours":6.120409347217421,"endHours":7.624834192433958,"quality":"inauspicious"},{"name":"Udveg","start":"07:37","end":"09:08","startHours":7.624834192433958,"endHours":9.129259037650495,"quality":"inauspicious"},{"name":"Chala","start":"09:08","end":"10:38","startHours":9.129259037650495,"endHours":10.633683882867034,"quality":"neutral"},{"name":"Labha","start":"10:38","end":"12:08","startHours":10.633683882867034,"endHours":12.138108728083573,"quality":"auspicious"},{"name":"Amṛta","start":"12:08","end":"13:39","startHours":12.138108728083573,"endHours":13.64253357330011,"quality":"auspicious"},{"name":"Kāla","start":"13:39","end":"15:09","startHours":13.64253357330011,"endHours":15.146958418516647,"quality":"inauspicious"},{"name":"Śubha","start":"15:09","end":"16:39","startHours":15.146958418516647,"endHours":16.651383263733187,"quality":"auspicious"},{"name":"Roga","start":"16:39","end":"18:09","startHours":16.651383263733187,"endHours":18.155808108949724,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:09","end":"19:39","startHours":18.155808108949724,"endHours":19.651383263733187,"quality":"inauspicious"},{"name":"Śubha","start":"19:39","end":"21:09","startHours":19.651383263733187,"endHours":21.146958418516647,"quality":"auspicious"},{"name":"Roga","start":"21:09","end":"22:39","startHours":21.146958418516647,"endHours":22.64253357330011,"quality":"inauspicious"},{"name":"Udveg","start":"22:39","end":"00:08","startHours":22.64253357330011,"endHours":24.138108728083573,"quality":"inauspicious"},{"name":"Chala","start":"00:08","end":"01:38","startHours":24.138108728083573,"endHours":25.633683882867036,"quality":"neutral"},{"name":"Labha","start":"01:38","end":"03:08","startHours":25.633683882867036,"endHours":27.1292590376505,"quality":"auspicious"},{"name":"Amṛta","start":"03:08","end":"04:37","startHours":27.1292590376505,"endHours":28.62483419243396,"quality":"auspicious"},{"name":"Kāla","start":"04:37","end":"06:07","startHours":28.62483419243396,"endHours":30.12040934721742,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:07","end":"07:07","startHours":6.120409347217421,"endHours":7.120409347217421,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:07","end":"08:07","startHours":7.120409347217421,"endHours":8.120409347217421,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:07","end":"09:07","startHours":8.120409347217421,"endHours":9.120409347217421,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:07","end":"10:07","startHours":9.120409347217421,"endHours":10.120409347217421,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:07","end":"11:07","startHours":10.120409347217421,"endHours":11.120409347217421,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:07","end":"12:07","startHours":11.120409347217421,"endHours":12.120409347217421,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:07","end":"13:07","startHours":12.120409347217421,"endHours":13.120409347217421,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:07","end":"14:07","startHours":13.120409347217421,"endHours":14.120409347217421,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:07","end":"15:07","startHours":14.120409347217421,"endHours":15.120409347217421,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:07","end":"16:07","startHours":15.120409347217421,"endHours":16.12040934721742,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:07","end":"17:07","startHours":16.12040934721742,"endHours":17.12040934721742,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:07","end":"18:07","startHours":17.12040934721742,"endHours":18.12040934721742,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:07","end":"19:07","startHours":18.12040934721742,"endHours":19.12040934721742,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:07","end":"20:07","startHours":19.12040934721742,"endHours":20.12040934721742,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:07","end":"21:07","startHours":20.12040934721742,"endHours":21.12040934721742,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:07","end":"22:07","startHours":21.12040934721742,"endHours":22.12040934721742,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:07","end":"23:07","startHours":22.12040934721742,"endHours":23.12040934721742,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:07","end":"00:07","startHours":23.12040934721742,"endHours":24.12040934721742,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:07","end":"01:07","startHours":24.12040934721742,"endHours":25.12040934721742,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:07","end":"02:07","startHours":25.12040934721742,"endHours":26.12040934721742,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:07","end":"03:07","startHours":26.12040934721742,"endHours":27.12040934721742,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:07","end":"04:07","startHours":27.12040934721742,"endHours":28.12040934721742,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:07","end":"05:07","startHours":28.12040934721742,"endHours":29.12040934721742,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:07","end":"06:07","startHours":29.12040934721742,"endHours":30.12040934721742,"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":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-2.915104561710685,"eotMinutes":10.844676314985584,"ayanamsa":26.336}},"calendars":{"vikram_samvat":2234,"vikram_samvatsara":"Vikṛti","saka_samvat":2099,"saka_samvatsara":"Īśvara","bengali_samvat":1584,"malayalam_era":1353,"nanakshahi_year":708,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Aṣṭamī · Vikram 2234 Vikṛti · Śaka 2099 Īśvara"},"festivals":[{"id":"durga-ashtami","name":"Mahā-Aṣṭamī (Durgā-Aṣṭamī)","name_sanskrit":"महाष्टमी","tradition":"Shakta","associated_deity":"Devī Durgā","significance":"8th day of Śāradīya Navrātri; Mahiṣāsura-mardinī kṣaṇa.","vrata":true,"detection":{"tithi_number":8,"tithi_paksha":"Śukla","lunar_month":"Āśvina"},"precedence":1}],"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":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","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 30, 2177 CE · Erode, Tamil Nadu · Vidhyamitra","description":"September 30, 2177 CE for Erode, Tamil Nadu: Śukla Aṣṭamī, sūryodaya 06:07, sūryāsta 18:09.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2177-09-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2177-09-30","sa":"https://sa.vidhyamitra.com/city/erode/2177-09-30","hi":"https://hi.vidhyamitra.com/city/erode/2177-09-30","x-default":"https://vidhyamitra.com/city/erode/2177-09-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T10:56:44.911Z","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":"2026-05-31T10:56:44.911Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T10:56:44.911Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}