{"id":"vidhyamitra:city-day:erode:2027-07-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2027-07-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2027-07-31","date_display":"July 31, 2027 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":2027,"month":7,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461617.770833,"kali_year":5129,"ahargana":1873152.2708,"sun":{"sidereal_longitude":102.8184,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":70.7531,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":327.9347,"elapsed_within_tithi_degrees":3.9347},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":70.7531,"elapsed_within_degrees":4.0864},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":173.5715},"karana":{"half_tithi_index":54,"name":"Gara"},"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":2027,"month":7,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461617.770833,"ahargana":1873152.2708,"kali_year":5129,"ayanamsa_lahiri":24.2382,"grahas":{"sun":{"sidereal_longitude":103.41105600000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"moon":{"sidereal_longitude":69.70935600000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false,"latitude":2.9283},"mars":{"sidereal_longitude":164.68325600000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":90.59035599999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":126.54465600000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":99.747256,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":3.579656,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":291.3785,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":111.3785,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":2027,"month":7,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461617.770833,"kali_year":5129,"ahargana":1873152.2708,"sun":{"sidereal_longitude":102.8184,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":70.7531,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":327.9347,"elapsed_within_tithi_degrees":3.9347},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":70.7531,"elapsed_within_degrees":4.0864},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":173.5715},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.928,"elongation":32.065},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.928,"opposition_distance":147.935}},"eclipse_window_40days":[{"offset_days":17,"type":"lunar","occurs":true,"moon_latitude":0.487,"opposition_distance":2.324}]},"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":"06:06","sunsetLocal":"18:44","solarNoonLocal":"12:25","dayLengthHours":12.62842510783807,"dayLengthDisplay":"12 Hours 37 Mins 42 Secs","nightLengthDisplay":"11 Hours 22 Mins 18 Secs","moonriseLocal":"03:48","moonsetLocal":"16:33","rahuKala":{"name":"Rāhu Kāla","start":"09:16","end":"10:50","startHours":9.262936631579663,"endHours":10.841489770059422,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:00","end":"15:35","startHours":13.998596047018939,"endHours":15.577149185498698,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:06","end":"07:41","startHours":6.105830354620145,"endHours":7.6843834930999035,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:03","end":"09:28","startHours":9.052462879782361,"endHours":9.473410383376963,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:38","end":"06:58","startHours":6.6320147341133975,"endHours":6.968772736989079,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:00","end":"12:50","startHours":11.999095404944578,"endHours":12.840990412133783,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:25","end":"05:16","startHours":4.422040340241736,"endHours":5.26393534743094,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:03","end":"06:06","startHours":5.053461595633639,"endHours":6.105830354620145,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:31","end":"15:22","startHours":14.52478042651219,"endHours":15.366675433701396,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:32","end":"18:56","startHours":18.534255462458216,"endHours":18.934255462458214,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:44","end":"19:16","startHours":18.734255462458215,"endHours":19.260439841951467,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:29","end":"20:14","startHours":18.484255462458215,"endHours":20.234255462458215,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:00","end":"00:50","startHours":23.99909540494458,"endHours":24.84099041213378,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:06","end":"07:41","startHours":6.105830354620145,"endHours":7.6843834930999035,"quality":"inauspicious"},{"name":"Śubha","start":"07:41","end":"09:16","startHours":7.6843834930999035,"endHours":9.262936631579663,"quality":"auspicious"},{"name":"Roga","start":"09:16","end":"10:50","startHours":9.262936631579663,"endHours":10.841489770059422,"quality":"inauspicious"},{"name":"Udveg","start":"10:50","end":"12:25","startHours":10.841489770059422,"endHours":12.42004290853918,"quality":"inauspicious"},{"name":"Chala","start":"12:25","end":"14:00","startHours":12.42004290853918,"endHours":13.998596047018939,"quality":"neutral"},{"name":"Labha","start":"14:00","end":"15:35","startHours":13.998596047018939,"endHours":15.577149185498698,"quality":"auspicious"},{"name":"Amṛta","start":"15:35","end":"17:09","startHours":15.577149185498698,"endHours":17.155702323978456,"quality":"auspicious"},{"name":"Kāla","start":"17:09","end":"18:44","startHours":17.155702323978456,"endHours":18.734255462458215,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:44","end":"20:09","startHours":18.734255462458215,"endHours":20.155702323978456,"quality":"auspicious"},{"name":"Amṛta","start":"20:09","end":"21:35","startHours":20.155702323978456,"endHours":21.577149185498698,"quality":"auspicious"},{"name":"Kāla","start":"21:35","end":"23:00","startHours":21.577149185498698,"endHours":22.99859604701894,"quality":"inauspicious"},{"name":"Śubha","start":"23:00","end":"00:25","startHours":22.99859604701894,"endHours":24.42004290853918,"quality":"auspicious"},{"name":"Roga","start":"00:25","end":"01:50","startHours":24.42004290853918,"endHours":25.84148977005942,"quality":"inauspicious"},{"name":"Udveg","start":"01:50","end":"03:16","startHours":25.84148977005942,"endHours":27.262936631579663,"quality":"inauspicious"},{"name":"Chala","start":"03:16","end":"04:41","startHours":27.262936631579663,"endHours":28.684383493099904,"quality":"neutral"},{"name":"Labha","start":"04:41","end":"06:06","startHours":28.684383493099904,"endHours":30.105830354620146,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:06","end":"07:06","startHours":6.105830354620145,"endHours":7.105830354620145,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:06","end":"08:06","startHours":7.105830354620145,"endHours":8.105830354620146,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:06","end":"09:06","startHours":8.105830354620146,"endHours":9.105830354620146,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:06","end":"10:06","startHours":9.105830354620146,"endHours":10.105830354620146,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:06","end":"11:06","startHours":10.105830354620146,"endHours":11.105830354620146,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:06","end":"12:06","startHours":11.105830354620146,"endHours":12.105830354620146,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:06","end":"13:06","startHours":12.105830354620146,"endHours":13.105830354620146,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:06","end":"14:06","startHours":13.105830354620146,"endHours":14.105830354620146,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:06","end":"15:06","startHours":14.105830354620146,"endHours":15.105830354620146,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:06","end":"16:06","startHours":15.105830354620146,"endHours":16.105830354620146,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:06","end":"17:06","startHours":16.105830354620146,"endHours":17.105830354620146,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:06","end":"18:06","startHours":17.105830354620146,"endHours":18.105830354620146,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:06","end":"19:06","startHours":18.105830354620146,"endHours":19.105830354620146,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:06","end":"20:06","startHours":19.105830354620146,"endHours":20.105830354620146,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:06","end":"21:06","startHours":20.105830354620146,"endHours":21.105830354620146,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:06","end":"22:06","startHours":21.105830354620146,"endHours":22.105830354620146,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:06","end":"23:06","startHours":22.105830354620146,"endHours":23.105830354620146,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:06","end":"00:06","startHours":23.105830354620146,"endHours":24.105830354620146,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:06","end":"01:06","startHours":24.105830354620146,"endHours":25.105830354620146,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:06","end":"02:06","startHours":25.105830354620146,"endHours":26.105830354620146,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:06","end":"03:06","startHours":26.105830354620146,"endHours":27.105830354620146,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:06","end":"04:06","startHours":27.105830354620146,"endHours":28.105830354620146,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:06","end":"05:06","startHours":28.105830354620146,"endHours":29.105830354620146,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:06","end":"06:06","startHours":29.105830354620146,"endHours":30.105830354620146,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"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":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Kāladaṇḍa","quality":"Inauspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":18.35541513867788,"eotMinutes":-6.071374512350812,"ayanamsa":24.2382}},"calendars":{"vikram_samvat":2084,"vikram_samvatsara":"Raudra","saka_samvat":1949,"saka_samvatsara":"Plavaṅga","bengali_samvat":1434,"malayalam_era":1203,"nanakshahi_year":558,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Trayodaśī · Vikram 2084 Raudra · Śaka 1949 Plavaṅga"},"festivals":[{"id":"karka-sankranti","name":"Karka Saṅkrānti (Dakṣiṇāyana)","name_sanskrit":"कर्क सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Cancer; Dakṣiṇāyana (south-going) begins. Devatā-rātri begins.","vrata":true,"detection":{"sun_rashi":"Karka"},"precedence":2},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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 July 31, 2027 CE · Erode, Tamil Nadu · Vidhyamitra","description":"July 31, 2027 CE for Erode, Tamil Nadu: Kṛṣṇa Trayodaśī, sūryodaya 06:06, sūryāsta 18:44.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2027-07-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2027-07-31","sa":"https://sa.vidhyamitra.com/city/erode/2027-07-31","hi":"https://hi.vidhyamitra.com/city/erode/2027-07-31","x-default":"https://vidhyamitra.com/city/erode/2027-07-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T21:56:20.243Z","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":"2026-05-14T21:56:20.243Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T21:56:20.243Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}