{"id":"vidhyamitra:city-day:erode:2097-04-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2097-04-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2097-04-18","date_display":"April 18, 2097 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":2097,"month":4,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2487081.770833,"kali_year":5199,"ahargana":1898616.2708,"sun":{"sidereal_longitude":3.5089,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":77.5305,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":74.0216,"elapsed_within_tithi_degrees":2.0216},"nakshatra":{"number":6,"name":"Ārdrā","pada":4,"moon_longitude":77.5305,"elapsed_within_degrees":10.8639},"yoga":{"number":7,"name":"Sukarma","sum_longitude":81.0394},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2097,"month":4,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2487081.770833,"ahargana":1898616.2708,"kali_year":5199,"ayanamsa_lahiri":25.2121,"grahas":{"sun":{"sidereal_longitude":3.6147439999999733,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":79.99674399999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false,"latitude":3.701},"mars":{"sidereal_longitude":262.86354400000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":338.201244,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":76.24424399999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":318.54914399999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":135.920844,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":22.1732,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":202.1732,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","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":2097,"month":4,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2487081.770833,"kali_year":5199,"ahargana":1898616.2708,"sun":{"sidereal_longitude":3.5089,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":77.5305,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":74.0216,"elapsed_within_tithi_degrees":2.0216},"nakshatra":{"number":6,"name":"Ārdrā","pada":4,"moon_longitude":77.5305,"elapsed_within_degrees":10.8639},"yoga":{"number":7,"name":"Sukarma","sum_longitude":81.0394},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.701,"elongation":74.022},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.701,"opposition_distance":105.978}},"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":"06:06","sunsetLocal":"18:31","solarNoonLocal":"12:19","dayLengthHours":12.415010484740911,"dayLengthDisplay":"12 Hours 24 Mins 54 Secs","nightLengthDisplay":"11 Hours 35 Mins 06 Secs","moonriseLocal":"11:02","moonsetLocal":"23:46","rahuKala":{"name":"Rāhu Kāla","start":"13:52","end":"15:25","startHours":13.86229826232789,"endHours":15.414174572920503,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:06","end":"07:39","startHours":6.10291670936482,"endHours":7.654793019957434,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:12","end":"10:46","startHours":9.206669330550048,"endHours":10.75854564114266,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:00","end":"09:25","startHours":8.999752489137698,"endHours":9.413586171962397,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:37","end":"06:57","startHours":6.620208812895691,"endHours":6.951275759155449,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:43","startHours":11.896588268910579,"endHours":12.724255634559972,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:27","end":"05:17","startHours":4.447581978066031,"endHours":5.2752493437154255,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:04","end":"06:06","startHours":5.068332502303077,"endHours":6.10291670936482,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:23","end":"15:12","startHours":14.37959036585876,"endHours":15.207257731508154,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:19","end":"18:43","startHours":18.31792719410573,"endHours":18.71792719410573,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:31","end":"19:02","startHours":18.51792719410573,"endHours":19.0352192976366,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:16","end":"20:01","startHours":18.26792719410573,"endHours":20.01792719410573,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:43","startHours":23.896588268910577,"endHours":24.724255634559974,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:06","end":"07:39","startHours":6.10291670936482,"endHours":7.654793019957434,"quality":"auspicious"},{"name":"Roga","start":"07:39","end":"09:12","startHours":7.654793019957434,"endHours":9.206669330550048,"quality":"inauspicious"},{"name":"Udveg","start":"09:12","end":"10:46","startHours":9.206669330550048,"endHours":10.75854564114266,"quality":"inauspicious"},{"name":"Chala","start":"10:46","end":"12:19","startHours":10.75854564114266,"endHours":12.310421951735275,"quality":"neutral"},{"name":"Labha","start":"12:19","end":"13:52","startHours":12.310421951735275,"endHours":13.86229826232789,"quality":"auspicious"},{"name":"Amṛta","start":"13:52","end":"15:25","startHours":13.86229826232789,"endHours":15.414174572920503,"quality":"auspicious"},{"name":"Kāla","start":"15:25","end":"16:58","startHours":15.414174572920503,"endHours":16.966050883513116,"quality":"inauspicious"},{"name":"Śubha","start":"16:58","end":"18:31","startHours":16.966050883513116,"endHours":18.51792719410573,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:31","end":"19:58","startHours":18.51792719410573,"endHours":19.966050883513116,"quality":"auspicious"},{"name":"Kāla","start":"19:58","end":"21:25","startHours":19.966050883513116,"endHours":21.4141745729205,"quality":"inauspicious"},{"name":"Śubha","start":"21:25","end":"22:52","startHours":21.4141745729205,"endHours":22.86229826232789,"quality":"auspicious"},{"name":"Roga","start":"22:52","end":"00:19","startHours":22.86229826232789,"endHours":24.310421951735275,"quality":"inauspicious"},{"name":"Udveg","start":"00:19","end":"01:46","startHours":24.310421951735275,"endHours":25.75854564114266,"quality":"inauspicious"},{"name":"Chala","start":"01:46","end":"03:12","startHours":25.75854564114266,"endHours":27.20666933055005,"quality":"neutral"},{"name":"Labha","start":"03:12","end":"04:39","startHours":27.20666933055005,"endHours":28.654793019957435,"quality":"auspicious"},{"name":"Amṛta","start":"04:39","end":"06:06","startHours":28.654793019957435,"endHours":30.10291670936482,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:06","end":"07:06","startHours":6.10291670936482,"endHours":7.10291670936482,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:06","end":"08:06","startHours":7.10291670936482,"endHours":8.10291670936482,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:06","end":"09:06","startHours":8.10291670936482,"endHours":9.10291670936482,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:06","end":"10:06","startHours":9.10291670936482,"endHours":10.10291670936482,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:06","end":"11:06","startHours":10.10291670936482,"endHours":11.10291670936482,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:06","end":"12:06","startHours":11.10291670936482,"endHours":12.10291670936482,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:06","end":"13:06","startHours":12.10291670936482,"endHours":13.10291670936482,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:06","end":"14:06","startHours":13.10291670936482,"endHours":14.10291670936482,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:06","end":"15:06","startHours":14.10291670936482,"endHours":15.10291670936482,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:06","end":"16:06","startHours":15.10291670936482,"endHours":16.10291670936482,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:06","end":"17:06","startHours":16.10291670936482,"endHours":17.10291670936482,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:06","end":"18:06","startHours":17.10291670936482,"endHours":18.10291670936482,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:06","end":"19:06","startHours":18.10291670936482,"endHours":19.10291670936482,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:06","end":"20:06","startHours":19.10291670936482,"endHours":20.10291670936482,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:06","end":"21:06","startHours":20.10291670936482,"endHours":21.10291670936482,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:06","end":"22:06","startHours":21.10291670936482,"endHours":22.10291670936482,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:06","end":"23:06","startHours":22.10291670936482,"endHours":23.10291670936482,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:06","end":"00:06","startHours":23.10291670936482,"endHours":24.10291670936482,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:06","end":"01:06","startHours":24.10291670936482,"endHours":25.10291670936482,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:06","end":"02:06","startHours":25.10291670936482,"endHours":26.10291670936482,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:06","end":"03:06","startHours":26.10291670936482,"endHours":27.10291670936482,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:06","end":"04:06","startHours":27.10291670936482,"endHours":28.10291670936482,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:06","end":"05:06","startHours":28.10291670936482,"endHours":29.10291670936482,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:06","end":"06:06","startHours":29.10291670936482,"endHours":30.10291670936482,"planetary_lord":"Moon"}],"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":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":11.05623450111259,"eotMinutes":0.5058828958834352,"ayanamsa":25.2121}},"calendars":{"vikram_samvat":2154,"vikram_samvatsara":"Pramoda","saka_samvat":2019,"saka_samvatsara":"Piṅgala","bengali_samvat":1504,"malayalam_era":1273,"nanakshahi_year":628,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Saptamī · Vikram 2154 Pramoda · Śaka 2019 Piṅgala"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 April 18, 2097 CE · Erode, Tamil Nadu · Vidhyamitra","description":"April 18, 2097 CE for Erode, Tamil Nadu: Śukla Saptamī, sūryodaya 06:06, sūryāsta 18:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2097-04-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2097-04-18","sa":"https://sa.vidhyamitra.com/city/erode/2097-04-18","hi":"https://hi.vidhyamitra.com/city/erode/2097-04-18","x-default":"https://vidhyamitra.com/city/erode/2097-04-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-30T23:13:01.278Z","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":"2026-05-30T23:13:01.278Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-30T23:13:01.278Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}