{"id":"vidhyamitra:city-day:erode:2025-08-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2025-08-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2025-08-31","date_display":"August 31, 2025 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":2025,"month":8,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460918.770833,"kali_year":5127,"ahargana":1872453.2708,"sun":{"sidereal_longitude":132.9507,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":222.7175,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":89.7669,"elapsed_within_tithi_degrees":5.7669},"nakshatra":{"number":17,"name":"Anurādhā","pada":3,"moon_longitude":222.7175,"elapsed_within_degrees":9.3842},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":355.6682},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2025,"month":8,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2460918.770833,"ahargana":1872453.2708,"kali_year":5127,"ayanamsa_lahiri":24.2115,"grahas":{"sun":{"sidereal_longitude":133.695763,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":221.06796299999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false,"latitude":-4.3318},"mars":{"sidereal_longitude":170.70966299999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":120.74176299999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":83.38786300000004,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"venus":{"sidereal_longitude":101.86156299999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":335.944063,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":328.4148,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":148.4148,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"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":2025,"month":8,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460918.770833,"kali_year":5127,"ahargana":1872453.2708,"sun":{"sidereal_longitude":132.9507,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":222.7175,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":89.7669,"elapsed_within_tithi_degrees":5.7669},"nakshatra":{"number":17,"name":"Anurādhā","pada":3,"moon_longitude":222.7175,"elapsed_within_degrees":9.3842},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":355.6682},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.332,"elongation":89.767},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.332,"opposition_distance":90.233}},"eclipse_window_40days":[{"offset_days":8,"type":"lunar","occurs":true,"moon_latitude":-0.388,"opposition_distance":2.369}]},"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":"06:09","sunsetLocal":"18:29","solarNoonLocal":"12:19","dayLengthHours":12.346491677667668,"dayLengthDisplay":"12 Hours 20 Mins 47 Secs","nightLengthDisplay":"11 Hours 39 Mins 13 Secs","moonriseLocal":"12:24","moonsetLocal":"23:53","rahuKala":{"name":"Rāhu Kāla","start":"16:57","end":"18:29","startHours":16.946361220402252,"endHours":18.48967268011071,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:19","end":"13:52","startHours":12.31642684127688,"endHours":13.859738300985338,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:24","end":"16:57","startHours":15.403049760693794,"endHours":16.946361220402252,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:01","end":"09:26","startHours":9.0240290605655,"endHours":9.435578783154423,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:39","end":"06:59","startHours":6.657618155679197,"endHours":6.9868579337503345,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:44","startHours":11.904877118687955,"endHours":12.7279765638658,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:30","end":"05:19","startHours":4.496982112087355,"endHours":5.320081557265199,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:07","end":"06:09","startHours":5.114306695970739,"endHours":6.143181002443044,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:22","end":"15:12","startHours":14.37417545422149,"endHours":15.197274899399334,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:17","end":"18:41","startHours":18.289672680110712,"endHours":18.68967268011071,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:29","end":"19:00","startHours":18.48967268011071,"endHours":19.004109833346863,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:14","end":"19:59","startHours":18.23967268011071,"endHours":19.98967268011071,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:44","startHours":23.904877118687956,"endHours":24.727976563865802,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:09","end":"07:41","startHours":6.143181002443044,"endHours":7.686492462151502,"quality":"inauspicious"},{"name":"Chala","start":"07:41","end":"09:14","startHours":7.686492462151502,"endHours":9.229803921859961,"quality":"neutral"},{"name":"Labha","start":"09:14","end":"10:46","startHours":9.229803921859961,"endHours":10.77311538156842,"quality":"auspicious"},{"name":"Amṛta","start":"10:46","end":"12:19","startHours":10.77311538156842,"endHours":12.31642684127688,"quality":"auspicious"},{"name":"Kāla","start":"12:19","end":"13:52","startHours":12.31642684127688,"endHours":13.859738300985338,"quality":"inauspicious"},{"name":"Śubha","start":"13:52","end":"15:24","startHours":13.859738300985338,"endHours":15.403049760693794,"quality":"auspicious"},{"name":"Roga","start":"15:24","end":"16:57","startHours":15.403049760693794,"endHours":16.946361220402252,"quality":"inauspicious"},{"name":"Udveg","start":"16:57","end":"18:29","startHours":16.946361220402252,"endHours":18.48967268011071,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:29","end":"19:57","startHours":18.48967268011071,"endHours":19.946361220402252,"quality":"auspicious"},{"name":"Roga","start":"19:57","end":"21:24","startHours":19.946361220402252,"endHours":21.403049760693794,"quality":"inauspicious"},{"name":"Udveg","start":"21:24","end":"22:52","startHours":21.403049760693794,"endHours":22.859738300985335,"quality":"inauspicious"},{"name":"Chala","start":"22:52","end":"00:19","startHours":22.859738300985335,"endHours":24.31642684127688,"quality":"neutral"},{"name":"Labha","start":"00:19","end":"01:46","startHours":24.31642684127688,"endHours":25.773115381568417,"quality":"auspicious"},{"name":"Amṛta","start":"01:46","end":"03:14","startHours":25.773115381568417,"endHours":27.22980392185996,"quality":"auspicious"},{"name":"Kāla","start":"03:14","end":"04:41","startHours":27.22980392185996,"endHours":28.686492462151502,"quality":"inauspicious"},{"name":"Śubha","start":"04:41","end":"06:09","startHours":28.686492462151502,"endHours":30.143181002443043,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:09","end":"07:09","startHours":6.143181002443044,"endHours":7.143181002443044,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:09","end":"08:09","startHours":7.143181002443044,"endHours":8.143181002443043,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:09","end":"09:09","startHours":8.143181002443043,"endHours":9.143181002443043,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:09","end":"10:09","startHours":9.143181002443043,"endHours":10.143181002443043,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:09","end":"11:09","startHours":10.143181002443043,"endHours":11.143181002443043,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:09","end":"12:09","startHours":11.143181002443043,"endHours":12.143181002443043,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:09","end":"13:09","startHours":12.143181002443043,"endHours":13.143181002443043,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:09","end":"14:09","startHours":13.143181002443043,"endHours":14.143181002443043,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:09","end":"15:09","startHours":14.143181002443043,"endHours":15.143181002443043,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:09","end":"16:09","startHours":15.143181002443043,"endHours":16.143181002443043,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:09","end":"17:09","startHours":16.143181002443043,"endHours":17.143181002443043,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:09","end":"18:09","startHours":17.143181002443043,"endHours":18.143181002443043,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:09","end":"19:09","startHours":18.143181002443043,"endHours":19.143181002443043,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:09","end":"20:09","startHours":19.143181002443043,"endHours":20.143181002443043,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:09","end":"21:09","startHours":20.143181002443043,"endHours":21.143181002443043,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:09","end":"22:09","startHours":21.143181002443043,"endHours":22.143181002443043,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:09","end":"23:09","startHours":22.143181002443043,"endHours":23.143181002443043,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:09","end":"00:09","startHours":23.143181002443043,"endHours":24.143181002443043,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:09","end":"01:09","startHours":24.143181002443043,"endHours":25.143181002443043,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:09","end":"02:09","startHours":25.143181002443043,"endHours":26.143181002443043,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:09","end":"03:09","startHours":26.143181002443043,"endHours":27.143181002443043,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:09","end":"04:09","startHours":27.143181002443043,"endHours":28.143181002443043,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:09","end":"05:09","startHours":28.143181002443043,"endHours":29.143181002443043,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:09","end":"06:09","startHours":29.143181002443043,"endHours":30.143181002443043,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"North-East","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"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":8.603160685153751,"eotMinutes":0.14558952338733633,"ayanamsa":24.2115}},"calendars":{"vikram_samvat":2082,"vikram_samvatsara":"Kālayukta","saka_samvat":1947,"saka_samvatsara":"Viśvāvasu","bengali_samvat":1432,"malayalam_era":1201,"nanakshahi_year":556,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Aṣṭamī · Vikram 2082 Kālayukta · Śaka 1947 Viśvāvasu"},"festivals":[{"id":"radhashtami","name":"Rādhāṣṭamī","name_sanskrit":"राधाष्टमी","tradition":"Vaishnava","associated_deity":"Śrī Rādhā (Krishna's hlādinī-śakti)","significance":"Manifestation of Śrī Rādhā at Barsānā — Krishna's ādi-śakti.","vrata":true,"detection":{"tithi_number":8,"tithi_paksha":"Śukla","lunar_month":"Bhādrapada"},"precedence":2,"sources":["Padma Purāṇa","Brahma-Vaivarta Purāṇa"]},{"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":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 August 31, 2025 CE · Erode, Tamil Nadu · Vidhyamitra","description":"August 31, 2025 CE for Erode, Tamil Nadu: Śukla Aṣṭamī, sūryodaya 06:09, sūryāsta 18:29.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2025-08-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2025-08-31","sa":"https://sa.vidhyamitra.com/city/erode/2025-08-31","hi":"https://hi.vidhyamitra.com/city/erode/2025-08-31","x-default":"https://vidhyamitra.com/city/erode/2025-08-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T21:59:51.214Z","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":"2026-05-14T21:59:51.214Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T21:59:51.214Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}