{"id":"vidhyamitra:city-day:erode:2026-07-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2026-07-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2026-07-13","date_display":"July 13, 2026 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":2026,"month":7,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461234.770833,"kali_year":5128,"ahargana":1872769.2708,"sun":{"sidereal_longitude":85.9943,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":68.0934,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":342.0991,"elapsed_within_tithi_degrees":6.0991},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":68.0934,"elapsed_within_degrees":1.4267},"yoga":{"number":12,"name":"Dhruva","sum_longitude":154.0876},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2026,"month":7,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461234.770833,"ahargana":1872769.2708,"kali_year":5128,"ayanamsa_lahiri":24.2236,"grahas":{"sun":{"sidereal_longitude":86.47129000000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"moon":{"sidereal_longitude":67.04138999999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false,"latitude":4.0291},"mars":{"sidereal_longitude":45.46159,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":86.02659,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":98.35618999999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"venus":{"sidereal_longitude":129.07599,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":350.41899,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":311.6716,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":131.6716,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","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":2026,"month":7,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461234.770833,"kali_year":5128,"ahargana":1872769.2708,"sun":{"sidereal_longitude":85.9943,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":68.0934,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":342.0991,"elapsed_within_tithi_degrees":6.0991},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":68.0934,"elapsed_within_degrees":1.4267},"yoga":{"number":12,"name":"Dhruva","sum_longitude":154.0876},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.029,"elongation":17.901},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.029,"opposition_distance":162.099}},"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":"06:02","sunsetLocal":"18:47","solarNoonLocal":"12:24","dayLengthHours":12.737357880471002,"dayLengthDisplay":"12 Hours 44 Mins 14 Secs","nightLengthDisplay":"11 Hours 15 Mins 46 Secs","moonriseLocal":"04:44","moonsetLocal":"17:29","rahuKala":{"name":"Rāhu Kāla","start":"07:38","end":"09:13","startHours":7.631701275592718,"endHours":9.223871010651592,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:49","end":"12:24","startHours":10.816040745710469,"endHours":12.408210480769345,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:00","end":"15:36","startHours":14.00038021582822,"endHours":15.592549950887094,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:01","end":"09:26","startHours":9.011581712643743,"endHours":9.436160308659444,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:34","end":"06:55","startHours":6.570254785553468,"endHours":6.909917662366028,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:59","end":"12:50","startHours":11.983631884753645,"endHours":12.832789076785044,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:20","end":"05:11","startHours":4.341217156471043,"endHours":5.190374348502442,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:59","end":"06:02","startHours":4.978085050494593,"endHours":6.039531540533843,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:32","end":"15:23","startHours":14.531103460847845,"endHours":15.380260652879246,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:35","end":"18:59","startHours":18.576889421004847,"endHours":18.976889421004845,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:47","end":"19:18","startHours":18.776889421004846,"endHours":19.307612666024472,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:32","end":"20:17","startHours":18.526889421004846,"endHours":20.276889421004846,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:59","end":"00:50","startHours":23.983631884753645,"endHours":24.832789076785044,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:02","end":"07:38","startHours":6.039531540533843,"endHours":7.631701275592718,"quality":"auspicious"},{"name":"Kāla","start":"07:38","end":"09:13","startHours":7.631701275592718,"endHours":9.223871010651592,"quality":"inauspicious"},{"name":"Śubha","start":"09:13","end":"10:49","startHours":9.223871010651592,"endHours":10.816040745710469,"quality":"auspicious"},{"name":"Roga","start":"10:49","end":"12:24","startHours":10.816040745710469,"endHours":12.408210480769345,"quality":"inauspicious"},{"name":"Udveg","start":"12:24","end":"14:00","startHours":12.408210480769345,"endHours":14.00038021582822,"quality":"inauspicious"},{"name":"Chala","start":"14:00","end":"15:36","startHours":14.00038021582822,"endHours":15.592549950887094,"quality":"neutral"},{"name":"Labha","start":"15:36","end":"17:11","startHours":15.592549950887094,"endHours":17.18471968594597,"quality":"auspicious"},{"name":"Amṛta","start":"17:11","end":"18:47","startHours":17.18471968594597,"endHours":18.776889421004846,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:47","end":"20:11","startHours":18.776889421004846,"endHours":20.18471968594597,"quality":"neutral"},{"name":"Labha","start":"20:11","end":"21:36","startHours":20.18471968594597,"endHours":21.592549950887097,"quality":"auspicious"},{"name":"Amṛta","start":"21:36","end":"23:00","startHours":21.592549950887097,"endHours":23.00038021582822,"quality":"auspicious"},{"name":"Kāla","start":"23:00","end":"00:24","startHours":23.00038021582822,"endHours":24.408210480769345,"quality":"inauspicious"},{"name":"Śubha","start":"00:24","end":"01:49","startHours":24.408210480769345,"endHours":25.81604074571047,"quality":"auspicious"},{"name":"Roga","start":"01:49","end":"03:13","startHours":25.81604074571047,"endHours":27.223871010651592,"quality":"inauspicious"},{"name":"Udveg","start":"03:13","end":"04:38","startHours":27.223871010651592,"endHours":28.631701275592718,"quality":"inauspicious"},{"name":"Chala","start":"04:38","end":"06:02","startHours":28.631701275592718,"endHours":30.039531540533844,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:02","end":"07:02","startHours":6.039531540533843,"endHours":7.039531540533843,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:02","end":"08:02","startHours":7.039531540533843,"endHours":8.039531540533844,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:02","end":"09:02","startHours":8.039531540533844,"endHours":9.039531540533844,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:02","end":"10:02","startHours":9.039531540533844,"endHours":10.039531540533844,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:02","end":"11:02","startHours":10.039531540533844,"endHours":11.039531540533844,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:02","end":"12:02","startHours":11.039531540533844,"endHours":12.039531540533844,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:02","end":"13:02","startHours":12.039531540533844,"endHours":13.039531540533844,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:02","end":"14:02","startHours":13.039531540533844,"endHours":14.039531540533844,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:02","end":"15:02","startHours":14.039531540533844,"endHours":15.039531540533844,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:02","end":"16:02","startHours":15.039531540533844,"endHours":16.039531540533844,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:02","end":"17:02","startHours":16.039531540533844,"endHours":17.039531540533844,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:02","end":"18:02","startHours":17.039531540533844,"endHours":18.039531540533844,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:02","end":"19:02","startHours":18.039531540533844,"endHours":19.039531540533844,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:02","end":"20:02","startHours":19.039531540533844,"endHours":20.039531540533844,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:02","end":"21:02","startHours":20.039531540533844,"endHours":21.039531540533844,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:02","end":"22:02","startHours":21.039531540533844,"endHours":22.039531540533844,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:02","end":"23:02","startHours":22.039531540533844,"endHours":23.039531540533844,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:02","end":"00:02","startHours":23.039531540533844,"endHours":24.039531540533844,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:02","end":"01:02","startHours":24.039531540533844,"endHours":25.039531540533844,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:02","end":"02:02","startHours":25.039531540533844,"endHours":26.039531540533844,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:02","end":"03:02","startHours":26.039531540533844,"endHours":27.039531540533844,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:02","end":"04:02","startHours":27.039531540533844,"endHours":28.039531540533844,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:02","end":"05:02","startHours":28.039531540533844,"endHours":29.039531540533844,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:02","end":"06:02","startHours":29.039531540533844,"endHours":30.039531540533844,"planetary_lord":"Venus"}],"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":"North-East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"drikRitu":"Grīṣma (Summer) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":21.843274196747785,"eotMinutes":-5.361428846160681,"ayanamsa":24.2236}},"calendars":{"vikram_samvat":2083,"vikram_samvatsara":"Siddhārthī","saka_samvat":1948,"saka_samvatsara":"Parābhava","bengali_samvat":1433,"malayalam_era":1202,"nanakshahi_year":557,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Kṛṣṇa Pakṣa","solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Kṛṣṇa Caturdaśī · Vikram 2083 Siddhārthī · Śaka 1948 Parābhava"},"festivals":[{"id":"mithuna-sankranti","name":"Mithuna Saṅkrānti","name_sanskrit":"मिथुन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Gemini.","vrata":false,"detection":{"sun_rashi":"Mithuna"},"precedence":5},{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 13, 2026 CE · Erode, Tamil Nadu · Vidhyamitra","description":"July 13, 2026 CE for Erode, Tamil Nadu: Kṛṣṇa Caturdaśī, sūryodaya 06:02, sūryāsta 18:47.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2026-07-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2026-07-13","sa":"https://sa.vidhyamitra.com/city/erode/2026-07-13","hi":"https://hi.vidhyamitra.com/city/erode/2026-07-13","x-default":"https://vidhyamitra.com/city/erode/2026-07-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T16:55:19.905Z","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":"2026-05-14T16:55:19.905Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T16:55:19.905Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}