{"id":"vidhyamitra:city-day:erode:2025-10-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2025-10-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2025-10-04","date_display":"October 4, 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":10,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460952.770833,"kali_year":5127,"ahargana":1872487.2708,"sun":{"sidereal_longitude":166.0551,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":305.4373,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":139.3822,"elapsed_within_tithi_degrees":7.3822},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4,"moon_longitude":305.4373,"elapsed_within_degrees":12.104},"yoga":{"number":9,"name":"Śūla","sum_longitude":111.4924},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":10,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2460952.770833,"ahargana":1872487.2708,"kali_year":5127,"ayanamsa_lahiri":24.2128,"grahas":{"sun":{"sidereal_longitude":166.86326399999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"moon":{"sidereal_longitude":305.1050640000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false,"latitude":-1.6241},"mars":{"sidereal_longitude":193.36686399999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":181.27426400000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":88.49866400000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"venus":{"sidereal_longitude":143.27736399999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":333.38606400000003,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":326.6134,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":146.6134,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"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":10,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460952.770833,"kali_year":5127,"ahargana":1872487.2708,"sun":{"sidereal_longitude":166.0551,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":305.4373,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":139.3822,"elapsed_within_tithi_degrees":7.3822},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4,"moon_longitude":305.4373,"elapsed_within_degrees":12.104},"yoga":{"number":9,"name":"Śūla","sum_longitude":111.4924},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.624,"elongation":139.382},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.624,"opposition_distance":40.618}},"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":"18:07","solarNoonLocal":"12:07","dayLengthHours":11.996189555113801,"dayLengthDisplay":"11 Hours 59 Mins 46 Secs","nightLengthDisplay":"12 Hours 00 Mins 14 Secs","moonriseLocal":"15:27","moonsetLocal":"03:13","rahuKala":{"name":"Rāhu Kāla","start":"09:07","end":"10:37","startHours":9.118188224760047,"endHours":10.617711919149272,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:37","end":"15:07","startHours":13.616759307927722,"endHours":15.116283002316948,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:07","end":"07:37","startHours":6.119140835981597,"endHours":7.618664530370822,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:55","end":"09:19","startHours":8.918251732174816,"endHours":9.318124717345277,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:37","end":"06:56","startHours":6.618982067444672,"endHours":6.93888045558104,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:43","end":"12:31","startHours":11.717362628368038,"endHours":12.517108598708957,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:31","end":"05:19","startHours":4.519648895299756,"endHours":5.319394865640676,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:07","end":"06:07","startHours":5.119458373055447,"endHours":6.119140835981597,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:07","end":"14:55","startHours":14.116600539390799,"endHours":14.916346509731719,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:55","end":"18:19","startHours":17.9153303910954,"endHours":18.315330391095397,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:07","end":"18:37","startHours":18.115330391095398,"endHours":18.615171622558474,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:52","end":"19:37","startHours":17.865330391095398,"endHours":19.615330391095398,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:43","end":"00:31","startHours":23.717362628368036,"endHours":24.51710859870896,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:07","end":"07:37","startHours":6.119140835981597,"endHours":7.618664530370822,"quality":"inauspicious"},{"name":"Śubha","start":"07:37","end":"09:07","startHours":7.618664530370822,"endHours":9.118188224760047,"quality":"auspicious"},{"name":"Roga","start":"09:07","end":"10:37","startHours":9.118188224760047,"endHours":10.617711919149272,"quality":"inauspicious"},{"name":"Udveg","start":"10:37","end":"12:07","startHours":10.617711919149272,"endHours":12.117235613538497,"quality":"inauspicious"},{"name":"Chala","start":"12:07","end":"13:37","startHours":12.117235613538497,"endHours":13.616759307927722,"quality":"neutral"},{"name":"Labha","start":"13:37","end":"15:07","startHours":13.616759307927722,"endHours":15.116283002316948,"quality":"auspicious"},{"name":"Amṛta","start":"15:07","end":"16:37","startHours":15.116283002316948,"endHours":16.615806696706173,"quality":"auspicious"},{"name":"Kāla","start":"16:37","end":"18:07","startHours":16.615806696706173,"endHours":18.115330391095398,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:07","end":"19:37","startHours":18.115330391095398,"endHours":19.615806696706173,"quality":"auspicious"},{"name":"Amṛta","start":"19:37","end":"21:07","startHours":19.615806696706173,"endHours":21.116283002316948,"quality":"auspicious"},{"name":"Kāla","start":"21:07","end":"22:37","startHours":21.116283002316948,"endHours":22.616759307927722,"quality":"inauspicious"},{"name":"Śubha","start":"22:37","end":"00:07","startHours":22.616759307927722,"endHours":24.117235613538497,"quality":"auspicious"},{"name":"Roga","start":"00:07","end":"01:37","startHours":24.117235613538497,"endHours":25.617711919149272,"quality":"inauspicious"},{"name":"Udveg","start":"01:37","end":"03:07","startHours":25.617711919149272,"endHours":27.118188224760047,"quality":"inauspicious"},{"name":"Chala","start":"03:07","end":"04:37","startHours":27.118188224760047,"endHours":28.618664530370822,"quality":"neutral"},{"name":"Labha","start":"04:37","end":"06:07","startHours":28.618664530370822,"endHours":30.119140835981597,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:07","end":"07:07","startHours":6.119140835981597,"endHours":7.119140835981597,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:07","end":"08:07","startHours":7.119140835981597,"endHours":8.119140835981597,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:07","end":"09:07","startHours":8.119140835981597,"endHours":9.119140835981597,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:07","end":"10:07","startHours":9.119140835981597,"endHours":10.119140835981597,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:07","end":"11:07","startHours":10.119140835981597,"endHours":11.119140835981597,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:07","end":"12:07","startHours":11.119140835981597,"endHours":12.119140835981597,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:07","end":"13:07","startHours":12.119140835981597,"endHours":13.119140835981597,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:07","end":"14:07","startHours":13.119140835981597,"endHours":14.119140835981597,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:07","end":"15:07","startHours":14.119140835981597,"endHours":15.119140835981597,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:07","end":"16:07","startHours":15.119140835981597,"endHours":16.119140835981597,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:07","end":"17:07","startHours":16.119140835981597,"endHours":17.119140835981597,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:07","end":"18:07","startHours":17.119140835981597,"endHours":18.119140835981597,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:07","end":"19:07","startHours":18.119140835981597,"endHours":19.119140835981597,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:07","end":"20:07","startHours":19.119140835981597,"endHours":20.119140835981597,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:07","end":"21:07","startHours":20.119140835981597,"endHours":21.119140835981597,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:07","end":"22:07","startHours":21.119140835981597,"endHours":22.119140835981597,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:07","end":"23:07","startHours":22.119140835981597,"endHours":23.119140835981597,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:07","end":"00:07","startHours":23.119140835981597,"endHours":24.119140835981597,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:07","end":"01:07","startHours":24.119140835981597,"endHours":25.119140835981597,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:07","end":"02:07","startHours":25.119140835981597,"endHours":26.119140835981597,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:07","end":"03:07","startHours":26.119140835981597,"endHours":27.119140835981597,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:07","end":"04:07","startHours":27.119140835981597,"endHours":28.119140835981597,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:07","end":"05:07","startHours":28.119140835981597,"endHours":29.119140835981597,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:07","end":"06:07","startHours":29.119140835981597,"endHours":30.119140835981597,"planetary_lord":"Mercury"}],"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","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-4.3821947311403475,"eotMinutes":12.09706318769023,"ayanamsa":24.2128}},"calendars":{"vikram_samvat":2082,"vikram_samvatsara":"Kālayukta","saka_samvat":1947,"saka_samvatsara":"Viśvāvasu","bengali_samvat":1432,"malayalam_era":1201,"nanakshahi_year":556,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Dvādaśī · Vikram 2082 Kālayukta · Śaka 1947 Viśvāvasu"},"festivals":[{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi":"Kanyā"},"precedence":4}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 October 4, 2025 CE · Erode, Tamil Nadu · Vidhyamitra","description":"October 4, 2025 CE for Erode, Tamil Nadu: Śukla Dvādaśī, sūryodaya 06:07, sūryāsta 18:07.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2025-10-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2025-10-04","sa":"https://sa.vidhyamitra.com/city/erode/2025-10-04","hi":"https://hi.vidhyamitra.com/city/erode/2025-10-04","x-default":"https://vidhyamitra.com/city/erode/2025-10-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T23:37:11.903Z","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":"2026-05-14T23:37:11.903Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T23:37:11.903Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}