{"id":"vidhyamitra:city-day:erode:2031-09-10:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2031-09-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2031-09-10","date_display":"September 10, 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":9,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2463119.770833,"kali_year":5133,"ahargana":1874654.2708,"sun":{"sidereal_longitude":142.0765,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":65.83,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":283.7535,"elapsed_within_tithi_degrees":7.7535},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":65.83,"elapsed_within_degrees":12.4966},"yoga":{"number":16,"name":"Siddhi","sum_longitude":207.9065},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":9,"day":10,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2463119.770833,"ahargana":1874654.2708,"kali_year":5133,"ayanamsa_lahiri":24.2957,"grahas":{"sun":{"sidereal_longitude":142.86606899999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":67.75716899999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false,"latitude":-2.5168},"mars":{"sidereal_longitude":224.77506900000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":129.960169,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":235.75736899999993,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":106.44126899999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":57.98136899999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":211.7953,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":31.7953,"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":9,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2463119.770833,"kali_year":5133,"ahargana":1874654.2708,"sun":{"sidereal_longitude":142.0765,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":65.83,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":283.7535,"elapsed_within_tithi_degrees":7.7535},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":65.83,"elapsed_within_degrees":12.4966},"yoga":{"number":16,"name":"Siddhi","sum_longitude":207.9065},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.517,"elongation":76.247},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.517,"opposition_distance":103.753}},"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":"18:23","solarNoonLocal":"12:15","dayLengthHours":12.249704912207,"dayLengthDisplay":"12 Hours 14 Mins 59 Secs","nightLengthDisplay":"11 Hours 45 Mins 01 Secs","moonriseLocal":"00:53","moonsetLocal":"13:38","rahuKala":{"name":"Rāhu Kāla","start":"12:15","end":"13:47","startHours":12.258071703705898,"endHours":13.789284817731774,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:40","end":"09:12","startHours":7.664432361628275,"endHours":9.19564547565415,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:44","end":"12:15","startHours":10.726858589680024,"endHours":12.258071703705898,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:59","end":"09:24","startHours":8.991483727117366,"endHours":9.399807224190933,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:39","end":"06:58","startHours":6.643623618944358,"endHours":6.970282416603212,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:51","end":"12:40","startHours":11.84974820663233,"endHours":12.666395200779466,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:30","end":"05:19","startHours":4.499925259308133,"endHours":5.316572253455266,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:07","end":"06:08","startHours":5.112410504918483,"endHours":6.1332192476023994,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:18","end":"15:07","startHours":14.299689189073732,"endHours":15.116336183220865,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:11","end":"18:35","startHours":18.1829241598094,"endHours":18.582924159809398,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:23","end":"18:54","startHours":18.3829241598094,"endHours":18.893328531151358,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:08","end":"19:53","startHours":18.1329241598094,"endHours":19.8829241598094,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:51","end":"00:40","startHours":23.84974820663233,"endHours":24.666395200779466,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:08","end":"07:40","startHours":6.1332192476023994,"endHours":7.664432361628275,"quality":"auspicious"},{"name":"Amṛta","start":"07:40","end":"09:12","startHours":7.664432361628275,"endHours":9.19564547565415,"quality":"auspicious"},{"name":"Kāla","start":"09:12","end":"10:44","startHours":9.19564547565415,"endHours":10.726858589680024,"quality":"inauspicious"},{"name":"Śubha","start":"10:44","end":"12:15","startHours":10.726858589680024,"endHours":12.258071703705898,"quality":"auspicious"},{"name":"Roga","start":"12:15","end":"13:47","startHours":12.258071703705898,"endHours":13.789284817731774,"quality":"inauspicious"},{"name":"Udveg","start":"13:47","end":"15:19","startHours":13.789284817731774,"endHours":15.320497931757648,"quality":"inauspicious"},{"name":"Chala","start":"15:19","end":"16:51","startHours":15.320497931757648,"endHours":16.851711045783524,"quality":"neutral"},{"name":"Labha","start":"16:51","end":"18:23","startHours":16.851711045783524,"endHours":18.3829241598094,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:23","end":"19:51","startHours":18.3829241598094,"endHours":19.851711045783524,"quality":"inauspicious"},{"name":"Chala","start":"19:51","end":"21:19","startHours":19.851711045783524,"endHours":21.32049793175765,"quality":"neutral"},{"name":"Labha","start":"21:19","end":"22:47","startHours":21.32049793175765,"endHours":22.789284817731776,"quality":"auspicious"},{"name":"Amṛta","start":"22:47","end":"00:15","startHours":22.789284817731776,"endHours":24.258071703705898,"quality":"auspicious"},{"name":"Kāla","start":"00:15","end":"01:44","startHours":24.258071703705898,"endHours":25.726858589680024,"quality":"inauspicious"},{"name":"Śubha","start":"01:44","end":"03:12","startHours":25.726858589680024,"endHours":27.19564547565415,"quality":"auspicious"},{"name":"Roga","start":"03:12","end":"04:40","startHours":27.19564547565415,"endHours":28.664432361628272,"quality":"inauspicious"},{"name":"Udveg","start":"04:40","end":"06:08","startHours":28.664432361628272,"endHours":30.133219247602398,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:08","end":"07:08","startHours":6.1332192476023994,"endHours":7.1332192476023994,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:08","end":"08:08","startHours":7.1332192476023994,"endHours":8.1332192476024,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:08","end":"09:08","startHours":8.1332192476024,"endHours":9.1332192476024,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:08","end":"10:08","startHours":9.1332192476024,"endHours":10.1332192476024,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:08","end":"11:08","startHours":10.1332192476024,"endHours":11.1332192476024,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:08","end":"12:08","startHours":11.1332192476024,"endHours":12.1332192476024,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:08","end":"13:08","startHours":12.1332192476024,"endHours":13.1332192476024,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:08","end":"14:08","startHours":13.1332192476024,"endHours":14.1332192476024,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:08","end":"15:08","startHours":14.1332192476024,"endHours":15.1332192476024,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:08","end":"16:08","startHours":15.1332192476024,"endHours":16.133219247602398,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:08","end":"17:08","startHours":16.133219247602398,"endHours":17.133219247602398,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:08","end":"18:08","startHours":17.133219247602398,"endHours":18.133219247602398,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:08","end":"19:08","startHours":18.133219247602398,"endHours":19.133219247602398,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:08","end":"20:08","startHours":19.133219247602398,"endHours":20.133219247602398,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:08","end":"21:08","startHours":20.133219247602398,"endHours":21.133219247602398,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:08","end":"22:08","startHours":21.133219247602398,"endHours":22.133219247602398,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:08","end":"23:08","startHours":22.133219247602398,"endHours":23.133219247602398,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:08","end":"00:08","startHours":23.133219247602398,"endHours":24.133219247602398,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:08","end":"01:08","startHours":24.133219247602398,"endHours":25.133219247602398,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:08","end":"02:08","startHours":25.133219247602398,"endHours":26.133219247602398,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:08","end":"03:08","startHours":26.133219247602398,"endHours":27.133219247602398,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:08","end":"04:08","startHours":27.133219247602398,"endHours":28.133219247602398,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:08","end":"05:08","startHours":28.133219247602398,"endHours":29.133219247602398,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:08","end":"06:08","startHours":29.133219247602398,"endHours":30.133219247602398,"planetary_lord":"Sun"}],"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":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"South-West","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":5.070175171796591,"eotMinutes":3.6468977776461458,"ayanamsa":24.2957}},"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 Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Navamī · 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":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 September 10, 2031 CE · Erode, Tamil Nadu · Vidhyamitra","description":"September 10, 2031 CE for Erode, Tamil Nadu: Kṛṣṇa Navamī, sūryodaya 06:08, sūryāsta 18:23.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2031-09-10","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2031-09-10","sa":"https://sa.vidhyamitra.com/city/erode/2031-09-10","hi":"https://hi.vidhyamitra.com/city/erode/2031-09-10","x-default":"https://vidhyamitra.com/city/erode/2031-09-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T05:54:05.265Z","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":"2026-05-15T05:54:05.265Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T05:54:05.265Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}