{"id":"vidhyamitra:city-day:erode:2177-09-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2177-09-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2177-09-18","date_display":"September 18, 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":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2516453.770833,"kali_year":5279,"ahargana":1927988.2708,"sun":{"sidereal_longitude":148.1153,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":92.5328,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":304.4175,"elapsed_within_tithi_degrees":4.4175},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":92.5328,"elapsed_within_degrees":12.5328},"yoga":{"number":19,"name":"Parigha","sum_longitude":240.6481},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2516453.770833,"ahargana":1927988.2708,"kali_year":5279,"ayanamsa_lahiri":26.3355,"grahas":{"sun":{"sidereal_longitude":149.27581799999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":91.63441799999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false,"latitude":-0.519},"mars":{"sidereal_longitude":143.31831799999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":159.75381800000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":10.521318000000008,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":130.61541799999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":39.91501800000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":265.9033,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":85.9033,"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":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2516453.770833,"kali_year":5279,"ahargana":1927988.2708,"sun":{"sidereal_longitude":148.1153,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":92.5328,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":304.4175,"elapsed_within_tithi_degrees":4.4175},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":92.5328,"elapsed_within_degrees":12.5328},"yoga":{"number":19,"name":"Parigha","sum_longitude":240.6481},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.519,"elongation":55.583},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.519,"opposition_distance":124.417}},"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":"18:17","solarNoonLocal":"12:13","dayLengthHours":12.159993201790478,"dayLengthDisplay":"12 Hours 09 Mins 36 Secs","nightLengthDisplay":"11 Hours 50 Mins 24 Secs","moonriseLocal":"02:02","moonsetLocal":"14:42","rahuKala":{"name":"Rāhu Kāla","start":"13:44","end":"15:15","startHours":13.728685447329235,"endHours":15.248684597553044,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:08","end":"07:39","startHours":6.128689696210187,"endHours":7.648688846433997,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:10","end":"10:41","startHours":9.168687996657805,"endHours":10.688687146881616,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:58","end":"09:22","startHours":8.966021443294633,"endHours":9.371354550020982,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:38","end":"06:58","startHours":6.6353560796181235,"endHours":6.9596225649992025,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:48","end":"12:37","startHours":11.803353190379077,"endHours":12.614019403831776,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:30","end":"05:19","startHours":4.50735726930479,"endHours":5.318023482757488,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:07","end":"06:08","startHours":5.115356929394314,"endHours":6.128689696210187,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:14","end":"15:03","startHours":14.235351830737173,"endHours":15.046018044189871,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:05","end":"18:29","startHours":18.088682898000666,"endHours":18.488682898000665,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:17","end":"18:48","startHours":18.288682898000665,"endHours":18.7953492814086,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:02","end":"19:47","startHours":18.038682898000665,"endHours":19.788682898000665,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:48","end":"00:37","startHours":23.803353190379077,"endHours":24.614019403831776,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:08","end":"07:39","startHours":6.128689696210187,"endHours":7.648688846433997,"quality":"auspicious"},{"name":"Roga","start":"07:39","end":"09:10","startHours":7.648688846433997,"endHours":9.168687996657805,"quality":"inauspicious"},{"name":"Udveg","start":"09:10","end":"10:41","startHours":9.168687996657805,"endHours":10.688687146881616,"quality":"inauspicious"},{"name":"Chala","start":"10:41","end":"12:13","startHours":10.688687146881616,"endHours":12.208686297105427,"quality":"neutral"},{"name":"Labha","start":"12:13","end":"13:44","startHours":12.208686297105427,"endHours":13.728685447329235,"quality":"auspicious"},{"name":"Amṛta","start":"13:44","end":"15:15","startHours":13.728685447329235,"endHours":15.248684597553044,"quality":"auspicious"},{"name":"Kāla","start":"15:15","end":"16:46","startHours":15.248684597553044,"endHours":16.768683747776855,"quality":"inauspicious"},{"name":"Śubha","start":"16:46","end":"18:17","startHours":16.768683747776855,"endHours":18.288682898000665,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:17","end":"19:46","startHours":18.288682898000665,"endHours":19.768683747776855,"quality":"auspicious"},{"name":"Kāla","start":"19:46","end":"21:15","startHours":19.768683747776855,"endHours":21.248684597553044,"quality":"inauspicious"},{"name":"Śubha","start":"21:15","end":"22:44","startHours":21.248684597553044,"endHours":22.728685447329237,"quality":"auspicious"},{"name":"Roga","start":"22:44","end":"00:13","startHours":22.728685447329237,"endHours":24.208686297105427,"quality":"inauspicious"},{"name":"Udveg","start":"00:13","end":"01:41","startHours":24.208686297105427,"endHours":25.688687146881616,"quality":"inauspicious"},{"name":"Chala","start":"01:41","end":"03:10","startHours":25.688687146881616,"endHours":27.16868799665781,"quality":"neutral"},{"name":"Labha","start":"03:10","end":"04:39","startHours":27.16868799665781,"endHours":28.648688846434,"quality":"auspicious"},{"name":"Amṛta","start":"04:39","end":"06:08","startHours":28.648688846434,"endHours":30.128689696210188,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:08","end":"07:08","startHours":6.128689696210187,"endHours":7.128689696210187,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:08","end":"08:08","startHours":7.128689696210187,"endHours":8.128689696210188,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:08","end":"09:08","startHours":8.128689696210188,"endHours":9.128689696210188,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:08","end":"10:08","startHours":9.128689696210188,"endHours":10.128689696210188,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:08","end":"11:08","startHours":10.128689696210188,"endHours":11.128689696210188,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:08","end":"12:08","startHours":11.128689696210188,"endHours":12.128689696210188,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:08","end":"13:08","startHours":12.128689696210188,"endHours":13.128689696210188,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:08","end":"14:08","startHours":13.128689696210188,"endHours":14.128689696210188,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:08","end":"15:08","startHours":14.128689696210188,"endHours":15.128689696210188,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:08","end":"16:08","startHours":15.128689696210188,"endHours":16.128689696210188,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:08","end":"17:08","startHours":16.128689696210188,"endHours":17.128689696210188,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:08","end":"18:08","startHours":17.128689696210188,"endHours":18.128689696210188,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:08","end":"19:08","startHours":18.128689696210188,"endHours":19.128689696210188,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:08","end":"20:08","startHours":19.128689696210188,"endHours":20.128689696210188,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:08","end":"21:08","startHours":20.128689696210188,"endHours":21.128689696210188,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:08","end":"22:08","startHours":21.128689696210188,"endHours":22.128689696210188,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:08","end":"23:08","startHours":22.128689696210188,"endHours":23.128689696210188,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:08","end":"00:08","startHours":23.128689696210188,"endHours":24.128689696210188,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:08","end":"01:08","startHours":24.128689696210188,"endHours":25.128689696210188,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:08","end":"02:08","startHours":25.128689696210188,"endHours":26.128689696210188,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:08","end":"03:08","startHours":26.128689696210188,"endHours":27.128689696210188,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:08","end":"04:08","startHours":27.128689696210188,"endHours":28.128689696210188,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:08","end":"05:08","startHours":28.128689696210188,"endHours":29.128689696210188,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:08","end":"06:08","startHours":29.128689696210188,"endHours":30.128689696210188,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":1.7440842684995206,"eotMinutes":6.610022173674397,"ayanamsa":26.3355}},"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 Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","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":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Ekādaśī · Vikram 2234 Vikṛti · Śaka 2099 Īśvara"},"festivals":[{"id":"rama-ekadashi","name":"Ramā Ekādaśī","name_sanskrit":"रमा एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu (with Ramā = Lakṣmī)","significance":"Lakṣmī (Ramā) granted boon to King Mucukunda.","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Āśvina"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 Punarvasu","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 18, 2177 CE · Erode, Tamil Nadu · Vidhyamitra","description":"September 18, 2177 CE for Erode, Tamil Nadu: Kṛṣṇa Ekādaśī, sūryodaya 06:08, sūryāsta 18:17.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2177-09-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2177-09-18","sa":"https://sa.vidhyamitra.com/city/erode/2177-09-18","hi":"https://hi.vidhyamitra.com/city/erode/2177-09-18","x-default":"https://vidhyamitra.com/city/erode/2177-09-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T09:43:20.248Z","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":"2026-05-31T09:43:20.248Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T09:43:20.248Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}