{"id":"vidhyamitra:city-day:erode:2015-05-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2015-05-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2015-05-18","date_display":"May 18, 2015 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":2015,"month":5,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457160.770833,"kali_year":5117,"ahargana":1868695.2708,"sun":{"sidereal_longitude":32.6755,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":32.7154,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":0.0399,"elapsed_within_tithi_degrees":0.0399},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2,"moon_longitude":32.7154,"elapsed_within_degrees":6.0487},"yoga":{"number":5,"name":"Śobhana","sum_longitude":65.3909},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"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":2015,"month":5,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457160.770833,"ahargana":1868695.2708,"kali_year":5117,"ayanamsa_lahiri":24.0678,"grahas":{"sun":{"sidereal_longitude":32.74384700000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":31.01964700000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false,"latitude":-3.1905},"mars":{"sidereal_longitude":39.877846999999974,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":49.02524699999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":110.03474699999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":76.71874700000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":217.725147,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":167.5318,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":347.5318,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"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":2015,"month":5,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457160.770833,"kali_year":5117,"ahargana":1868695.2708,"sun":{"sidereal_longitude":32.6755,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":32.7154,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":0.0399,"elapsed_within_tithi_degrees":0.0399},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2,"moon_longitude":32.7154,"elapsed_within_degrees":6.0487},"yoga":{"number":5,"name":"Śobhana","sum_longitude":65.3909},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.191,"elongation":0.04},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.191,"opposition_distance":179.96}},"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":"05:56","sunsetLocal":"18:35","solarNoonLocal":"12:15","dayLengthHours":12.661785929192625,"dayLengthDisplay":"12 Hours 39 Mins 42 Secs","nightLengthDisplay":"11 Hours 20 Mins 18 Secs","moonriseLocal":"05:50","moonsetLocal":"18:27","rahuKala":{"name":"Rāhu Kāla","start":"07:31","end":"09:06","startHours":7.509197240044939,"endHours":9.091920481194016,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:40","end":"12:15","startHours":10.674643722343095,"endHours":12.257366963492174,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:50","end":"15:25","startHours":13.840090204641252,"endHours":15.422813445790329,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:18","startHours":8.880890715707473,"endHours":9.302950246680561,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:27","end":"06:48","startHours":6.45404841261222,"endHours":6.7916960373906905,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:41","startHours":11.835307432519087,"endHours":12.679426494465261,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:14","end":"05:05","startHours":4.238235875003511,"endHours":5.082354936949685,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:52","end":"05:56","startHours":4.871325171463142,"endHours":5.926473998895861,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:22","end":"15:13","startHours":14.367664618357612,"endHours":15.211783680303787,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:23","end":"18:47","startHours":18.388259928088488,"endHours":18.788259928088486,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:35","end":"19:07","startHours":18.588259928088487,"endHours":19.115834341804845,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:20","end":"20:05","startHours":18.338259928088487,"endHours":20.088259928088487,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:41","startHours":23.835307432519087,"endHours":24.67942649446526,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:56","end":"07:31","startHours":5.926473998895861,"endHours":7.509197240044939,"quality":"auspicious"},{"name":"Kāla","start":"07:31","end":"09:06","startHours":7.509197240044939,"endHours":9.091920481194016,"quality":"inauspicious"},{"name":"Śubha","start":"09:06","end":"10:40","startHours":9.091920481194016,"endHours":10.674643722343095,"quality":"auspicious"},{"name":"Roga","start":"10:40","end":"12:15","startHours":10.674643722343095,"endHours":12.257366963492174,"quality":"inauspicious"},{"name":"Udveg","start":"12:15","end":"13:50","startHours":12.257366963492174,"endHours":13.840090204641252,"quality":"inauspicious"},{"name":"Chala","start":"13:50","end":"15:25","startHours":13.840090204641252,"endHours":15.422813445790329,"quality":"neutral"},{"name":"Labha","start":"15:25","end":"17:00","startHours":15.422813445790329,"endHours":17.005536686939408,"quality":"auspicious"},{"name":"Amṛta","start":"17:00","end":"18:35","startHours":17.005536686939408,"endHours":18.588259928088487,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:35","end":"20:00","startHours":18.588259928088487,"endHours":20.005536686939408,"quality":"neutral"},{"name":"Labha","start":"20:00","end":"21:25","startHours":20.005536686939408,"endHours":21.422813445790332,"quality":"auspicious"},{"name":"Amṛta","start":"21:25","end":"22:50","startHours":21.422813445790332,"endHours":22.840090204641253,"quality":"auspicious"},{"name":"Kāla","start":"22:50","end":"00:15","startHours":22.840090204641253,"endHours":24.257366963492174,"quality":"inauspicious"},{"name":"Śubha","start":"00:15","end":"01:40","startHours":24.257366963492174,"endHours":25.674643722343095,"quality":"auspicious"},{"name":"Roga","start":"01:40","end":"03:06","startHours":25.674643722343095,"endHours":27.091920481194016,"quality":"inauspicious"},{"name":"Udveg","start":"03:06","end":"04:31","startHours":27.091920481194016,"endHours":28.50919724004494,"quality":"inauspicious"},{"name":"Chala","start":"04:31","end":"05:56","startHours":28.50919724004494,"endHours":29.92647399889586,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:56","end":"06:56","startHours":5.926473998895861,"endHours":6.926473998895861,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:56","end":"07:56","startHours":6.926473998895861,"endHours":7.926473998895861,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:56","end":"08:56","startHours":7.926473998895861,"endHours":8.926473998895862,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:56","end":"09:56","startHours":8.926473998895862,"endHours":9.926473998895862,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:56","end":"10:56","startHours":9.926473998895862,"endHours":10.926473998895862,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:56","end":"11:56","startHours":10.926473998895862,"endHours":11.926473998895862,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:56","end":"12:56","startHours":11.926473998895862,"endHours":12.926473998895862,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:56","end":"13:56","startHours":12.926473998895862,"endHours":13.926473998895862,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:56","end":"14:56","startHours":13.926473998895862,"endHours":14.926473998895862,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:56","end":"15:56","startHours":14.926473998895862,"endHours":15.926473998895862,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:56","end":"16:56","startHours":15.926473998895862,"endHours":16.92647399889586,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:56","end":"17:56","startHours":16.92647399889586,"endHours":17.92647399889586,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:56","end":"18:56","startHours":17.92647399889586,"endHours":18.92647399889586,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:56","end":"19:56","startHours":18.92647399889586,"endHours":19.92647399889586,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:56","end":"20:56","startHours":19.92647399889586,"endHours":20.92647399889586,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:56","end":"21:56","startHours":20.92647399889586,"endHours":21.92647399889586,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:56","end":"22:56","startHours":21.92647399889586,"endHours":22.92647399889586,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:56","end":"23:56","startHours":22.92647399889586,"endHours":23.92647399889586,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:56","end":"00:56","startHours":23.92647399889586,"endHours":24.92647399889586,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:56","end":"01:56","startHours":24.92647399889586,"endHours":25.92647399889586,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:56","end":"02:56","startHours":25.92647399889586,"endHours":26.92647399889586,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:56","end":"03:56","startHours":26.92647399889586,"endHours":27.92647399889586,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:56","end":"04:56","startHours":27.92647399889586,"endHours":28.92647399889586,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:56","end":"05:56","startHours":28.92647399889586,"endHours":29.92647399889586,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvaja","quality":"Auspicious"},"drikRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":19.442008067122806,"eotMinutes":3.6891821904695723,"ayanamsa":24.0678}},"calendars":{"vikram_samvat":2072,"vikram_samvatsara":"Kīlaka","saka_samvat":1937,"saka_samvatsara":"Manmatha","bengali_samvat":1422,"malayalam_era":1191,"nanakshahi_year":546,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Śukla Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Pratipada · Vikram 2072 Kīlaka · Śaka 1937 Manmatha"},"festivals":[{"id":"vrishabha-sankranti","name":"Vṛṣabha Saṅkrānti","name_sanskrit":"वृषभ सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Taurus.","vrata":false,"detection":{"sun_rashi":"Vṛṣabha"},"precedence":5}],"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":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","relevance":0.5}]},"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 May 18, 2015 CE · Erode, Tamil Nadu · Vidhyamitra","description":"May 18, 2015 CE for Erode, Tamil Nadu: Śukla Pratipada, sūryodaya 05:56, sūryāsta 18:35.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2015-05-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2015-05-18","sa":"https://sa.vidhyamitra.com/city/erode/2015-05-18","hi":"https://hi.vidhyamitra.com/city/erode/2015-05-18","x-default":"https://vidhyamitra.com/city/erode/2015-05-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T13:39:14.511Z","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":"2026-05-15T13:39:14.511Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T13:39:14.511Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}