{"id":"vidhyamitra:city-day:erode:2031-08-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2031-08-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2031-08-31","date_display":"August 31, 2031 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":2031,"month":8,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2463109.770833,"kali_year":5133,"ahargana":1874644.2708,"sun":{"sidereal_longitude":132.4185,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":295.5264,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":163.108,"elapsed_within_tithi_degrees":7.108},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1,"moon_longitude":295.5264,"elapsed_within_degrees":2.1931},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":67.9449},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"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":2031,"month":8,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2463109.770833,"ahargana":1874644.2708,"kali_year":5133,"ayanamsa_lahiri":24.2953,"grahas":{"sun":{"sidereal_longitude":133.17585100000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":294.38155099999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false,"latitude":4.4683},"mars":{"sidereal_longitude":218.61695099999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":114.62765100000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":235.15825100000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":105.19555100000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":57.45145100000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":212.3251,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":32.3251,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","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":2031,"month":8,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2463109.770833,"kali_year":5133,"ahargana":1874644.2708,"sun":{"sidereal_longitude":132.4185,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":295.5264,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":163.108,"elapsed_within_tithi_degrees":7.108},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1,"moon_longitude":295.5264,"elapsed_within_degrees":2.1931},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":67.9449},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.468,"elongation":163.108},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.468,"opposition_distance":16.892}},"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":"18:30","solarNoonLocal":"12:19","dayLengthHours":12.350988275403363,"dayLengthDisplay":"12 Hours 21 Mins 04 Secs","nightLengthDisplay":"11 Hours 38 Mins 56 Secs","moonriseLocal":"17:14","moonsetLocal":"04:54","rahuKala":{"name":"Rāhu Kāla","start":"16:57","end":"18:30","startHours":16.94804744455314,"endHours":18.49192097897856,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:19","end":"13:52","startHours":12.31642684127688,"endHours":13.860300375702298,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:24","end":"16:57","startHours":15.404173910127717,"endHours":16.94804744455314,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:01","end":"09:26","startHours":9.022829967835982,"endHours":9.434529577016093,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:39","end":"06:59","startHours":6.655557215050337,"endHours":6.984916902394426,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:44","startHours":11.904727232096766,"endHours":12.728126450456989,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:30","end":"05:19","startHours":4.494134266854748,"endHours":5.317533485214972,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:07","end":"06:08","startHours":5.111683680624917,"endHours":6.140932703575197,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:22","end":"15:12","startHours":14.374924887177439,"endHours":15.198324105537663,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:18","end":"18:42","startHours":18.29192097897856,"endHours":18.69192097897856,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:30","end":"19:00","startHours":18.49192097897856,"endHours":19.0065454904537,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:15","end":"20:00","startHours":18.24192097897856,"endHours":19.99192097897856,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:44","startHours":23.904727232096768,"endHours":24.72812645045699,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:08","end":"07:41","startHours":6.140932703575197,"endHours":7.684806238000617,"quality":"inauspicious"},{"name":"Chala","start":"07:41","end":"09:14","startHours":7.684806238000617,"endHours":9.228679772426037,"quality":"neutral"},{"name":"Labha","start":"09:14","end":"10:46","startHours":9.228679772426037,"endHours":10.772553306851457,"quality":"auspicious"},{"name":"Amṛta","start":"10:46","end":"12:19","startHours":10.772553306851457,"endHours":12.31642684127688,"quality":"auspicious"},{"name":"Kāla","start":"12:19","end":"13:52","startHours":12.31642684127688,"endHours":13.860300375702298,"quality":"inauspicious"},{"name":"Śubha","start":"13:52","end":"15:24","startHours":13.860300375702298,"endHours":15.404173910127717,"quality":"auspicious"},{"name":"Roga","start":"15:24","end":"16:57","startHours":15.404173910127717,"endHours":16.94804744455314,"quality":"inauspicious"},{"name":"Udveg","start":"16:57","end":"18:30","startHours":16.94804744455314,"endHours":18.49192097897856,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:30","end":"19:57","startHours":18.49192097897856,"endHours":19.94804744455314,"quality":"auspicious"},{"name":"Roga","start":"19:57","end":"21:24","startHours":19.94804744455314,"endHours":21.404173910127717,"quality":"inauspicious"},{"name":"Udveg","start":"21:24","end":"22:52","startHours":21.404173910127717,"endHours":22.8603003757023,"quality":"inauspicious"},{"name":"Chala","start":"22:52","end":"00:19","startHours":22.8603003757023,"endHours":24.31642684127688,"quality":"neutral"},{"name":"Labha","start":"00:19","end":"01:46","startHours":24.31642684127688,"endHours":25.772553306851457,"quality":"auspicious"},{"name":"Amṛta","start":"01:46","end":"03:14","startHours":25.772553306851457,"endHours":27.228679772426037,"quality":"auspicious"},{"name":"Kāla","start":"03:14","end":"04:41","startHours":27.228679772426037,"endHours":28.68480623800062,"quality":"inauspicious"},{"name":"Śubha","start":"04:41","end":"06:08","startHours":28.68480623800062,"endHours":30.140932703575196,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:08","end":"07:08","startHours":6.140932703575197,"endHours":7.140932703575197,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:08","end":"08:08","startHours":7.140932703575197,"endHours":8.140932703575196,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:08","end":"09:08","startHours":8.140932703575196,"endHours":9.140932703575196,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:08","end":"10:08","startHours":9.140932703575196,"endHours":10.140932703575196,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:08","end":"11:08","startHours":10.140932703575196,"endHours":11.140932703575196,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:08","end":"12:08","startHours":11.140932703575196,"endHours":12.140932703575196,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:08","end":"13:08","startHours":12.140932703575196,"endHours":13.140932703575196,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:08","end":"14:08","startHours":13.140932703575196,"endHours":14.140932703575196,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:08","end":"15:08","startHours":14.140932703575196,"endHours":15.140932703575196,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:08","end":"16:08","startHours":15.140932703575196,"endHours":16.140932703575196,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:08","end":"17:08","startHours":16.140932703575196,"endHours":17.140932703575196,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:08","end":"18:08","startHours":17.140932703575196,"endHours":18.140932703575196,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:08","end":"19:08","startHours":18.140932703575196,"endHours":19.140932703575196,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:08","end":"20:08","startHours":19.140932703575196,"endHours":20.140932703575196,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:08","end":"21:08","startHours":20.140932703575196,"endHours":21.140932703575196,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:08","end":"22:08","startHours":21.140932703575196,"endHours":22.140932703575196,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:08","end":"23:08","startHours":22.140932703575196,"endHours":23.140932703575196,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:08","end":"00:08","startHours":23.140932703575196,"endHours":24.140932703575196,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:08","end":"01:08","startHours":24.140932703575196,"endHours":25.140932703575196,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:08","end":"02:08","startHours":25.140932703575196,"endHours":26.140932703575196,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:08","end":"03:08","startHours":26.140932703575196,"endHours":27.140932703575196,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:08","end":"04:08","startHours":27.140932703575196,"endHours":28.140932703575196,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:08","end":"05:08","startHours":28.140932703575196,"endHours":29.140932703575196,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:08","end":"06:08","startHours":29.140932703575196,"endHours":30.140932703575196,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Gada","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":8.765492126579833,"eotMinutes":0.14558952338733633,"ayanamsa":24.2953}},"calendars":{"vikram_samvat":2088,"vikram_samvatsara":"Raktākṣī","saka_samvat":1953,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1438,"malayalam_era":1207,"nanakshahi_year":562,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Caturdaśī · Vikram 2088 Raktākṣī · Śaka 1953 Virodhakṛt"},"festivals":[{"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":[]},"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, 2031 CE · Erode, Tamil Nadu · Vidhyamitra","description":"August 31, 2031 CE for Erode, Tamil Nadu: Śukla Caturdaśī, sūryodaya 06:08, sūryāsta 18:30.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2031-08-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2031-08-31","sa":"https://sa.vidhyamitra.com/city/erode/2031-08-31","hi":"https://hi.vidhyamitra.com/city/erode/2031-08-31","x-default":"https://vidhyamitra.com/city/erode/2031-08-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T01:15:42.020Z","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":"2026-05-15T01:15:42.020Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T01:15:42.020Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}