{"id":"vidhyamitra:city-day:erode:1998-10-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1998-10-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1998-10-23","date_display":"October 23, 1998 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":1998,"month":10,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451109.770833,"kali_year":5100,"ahargana":1862644.2708,"sun":{"sidereal_longitude":184.8824,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":216.3746,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":31.4922,"elapsed_within_tithi_degrees":7.4922},"nakshatra":{"number":17,"name":"Anurādhā","pada":1,"moon_longitude":216.3746,"elapsed_within_degrees":3.0412},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":41.2569},"karana":{"half_tithi_index":5,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1998,"month":10,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2451109.770833,"ahargana":1862644.2708,"kali_year":5100,"ayanamsa_lahiri":23.8364,"grahas":{"sun":{"sidereal_longitude":185.59583900000007,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":214.090639,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false,"latitude":4.4979},"mars":{"sidereal_longitude":135.58173899999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":202.71043899999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":325.102039,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":183.806739,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":6.3071390000000065,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":128.1429,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":308.1429,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":1998,"month":10,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451109.770833,"kali_year":5100,"ahargana":1862644.2708,"sun":{"sidereal_longitude":184.8824,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":216.3746,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":31.4922,"elapsed_within_tithi_degrees":7.4922},"nakshatra":{"number":17,"name":"Anurādhā","pada":1,"moon_longitude":216.3746,"elapsed_within_degrees":3.0412},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":41.2569},"karana":{"half_tithi_index":5,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.498,"elongation":31.492},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.498,"opposition_distance":148.508}},"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":"06:09","sunsetLocal":"17:57","solarNoonLocal":"12:03","dayLengthHours":11.810136410311962,"dayLengthDisplay":"11 Hours 48 Mins 36 Secs","nightLengthDisplay":"12 Hours 11 Mins 24 Secs","moonriseLocal":"08:11","moonsetLocal":"19:43","rahuKala":{"name":"Rāhu Kāla","start":"10:34","end":"12:03","startHours":10.574962366959445,"endHours":12.05122941824844,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:00","end":"16:29","startHours":15.003763520826432,"endHours":16.480030572115425,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:37","end":"09:06","startHours":7.622428264381455,"endHours":9.09869531567045,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:54","end":"09:18","startHours":8.901859708831918,"endHours":9.295530922508982,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:38","end":"06:57","startHours":6.638250230188791,"endHours":6.953187201130444,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:39","end":"12:27","startHours":11.657558204571375,"endHours":12.444900631925504,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:34","end":"05:22","startHours":4.5714763583841975,"endHours":5.358818785738329,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:10","end":"06:09","startHours":5.161983178899796,"endHours":6.146161213092459,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:01","end":"14:48","startHours":14.019585486633769,"endHours":14.8069279139879,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:45","end":"18:09","startHours":17.75629762340442,"endHours":18.15629762340442,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:57","end":"18:27","startHours":17.95629762340442,"endHours":18.448386640500754,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:42","end":"19:27","startHours":17.70629762340442,"endHours":19.45629762340442,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:39","end":"00:27","startHours":23.657558204571373,"endHours":24.444900631925506,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:09","end":"07:37","startHours":6.146161213092459,"endHours":7.622428264381455,"quality":"neutral"},{"name":"Labha","start":"07:37","end":"09:06","startHours":7.622428264381455,"endHours":9.09869531567045,"quality":"auspicious"},{"name":"Amṛta","start":"09:06","end":"10:34","startHours":9.09869531567045,"endHours":10.574962366959445,"quality":"auspicious"},{"name":"Kāla","start":"10:34","end":"12:03","startHours":10.574962366959445,"endHours":12.05122941824844,"quality":"inauspicious"},{"name":"Śubha","start":"12:03","end":"13:32","startHours":12.05122941824844,"endHours":13.527496469537436,"quality":"auspicious"},{"name":"Roga","start":"13:32","end":"15:00","startHours":13.527496469537436,"endHours":15.003763520826432,"quality":"inauspicious"},{"name":"Udveg","start":"15:00","end":"16:29","startHours":15.003763520826432,"endHours":16.480030572115425,"quality":"inauspicious"},{"name":"Chala","start":"16:29","end":"17:57","startHours":16.480030572115425,"endHours":17.95629762340442,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:57","end":"19:29","startHours":17.95629762340442,"endHours":19.480030572115425,"quality":"inauspicious"},{"name":"Udveg","start":"19:29","end":"21:00","startHours":19.480030572115425,"endHours":21.003763520826432,"quality":"inauspicious"},{"name":"Chala","start":"21:00","end":"22:32","startHours":21.003763520826432,"endHours":22.527496469537436,"quality":"neutral"},{"name":"Labha","start":"22:32","end":"00:03","startHours":22.527496469537436,"endHours":24.05122941824844,"quality":"auspicious"},{"name":"Amṛta","start":"00:03","end":"01:34","startHours":24.05122941824844,"endHours":25.574962366959443,"quality":"auspicious"},{"name":"Kāla","start":"01:34","end":"03:06","startHours":25.574962366959443,"endHours":27.098695315670447,"quality":"inauspicious"},{"name":"Śubha","start":"03:06","end":"04:37","startHours":27.098695315670447,"endHours":28.622428264381455,"quality":"auspicious"},{"name":"Roga","start":"04:37","end":"06:09","startHours":28.622428264381455,"endHours":30.14616121309246,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:09","end":"07:09","startHours":6.146161213092459,"endHours":7.146161213092459,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:09","end":"08:09","startHours":7.146161213092459,"endHours":8.146161213092459,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:09","end":"09:09","startHours":8.146161213092459,"endHours":9.146161213092459,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:09","end":"10:09","startHours":9.146161213092459,"endHours":10.146161213092459,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:09","end":"11:09","startHours":10.146161213092459,"endHours":11.146161213092459,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:09","end":"12:09","startHours":11.146161213092459,"endHours":12.146161213092459,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:09","end":"13:09","startHours":12.146161213092459,"endHours":13.146161213092459,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:09","end":"14:09","startHours":13.146161213092459,"endHours":14.146161213092459,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:09","end":"15:09","startHours":14.146161213092459,"endHours":15.146161213092459,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:09","end":"16:09","startHours":15.146161213092459,"endHours":16.14616121309246,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:09","end":"17:09","startHours":16.14616121309246,"endHours":17.14616121309246,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:09","end":"18:09","startHours":17.14616121309246,"endHours":18.14616121309246,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:09","end":"19:09","startHours":18.14616121309246,"endHours":19.14616121309246,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:09","end":"20:09","startHours":19.14616121309246,"endHours":20.14616121309246,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:09","end":"21:09","startHours":20.14616121309246,"endHours":21.14616121309246,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:09","end":"22:09","startHours":21.14616121309246,"endHours":22.14616121309246,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:09","end":"23:09","startHours":22.14616121309246,"endHours":23.14616121309246,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:09","end":"00:09","startHours":23.14616121309246,"endHours":24.14616121309246,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:09","end":"01:09","startHours":24.14616121309246,"endHours":25.14616121309246,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:09","end":"02:09","startHours":25.14616121309246,"endHours":26.14616121309246,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:09","end":"03:09","startHours":26.14616121309246,"endHours":27.14616121309246,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:09","end":"04:09","startHours":27.14616121309246,"endHours":28.14616121309246,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:09","end":"05:09","startHours":28.14616121309246,"endHours":29.14616121309246,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:09","end":"06:09","startHours":29.14616121309246,"endHours":30.14616121309246,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"South-East","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"drikRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-11.270621120074061,"eotMinutes":16.057434905093558,"ayanamsa":23.8364}},"calendars":{"vikram_samvat":2055,"vikram_samvatsara":"Khara","saka_samvat":1920,"saka_samvatsara":"Bahudhānya","bengali_samvat":1405,"malayalam_era":1174,"nanakshahi_year":529,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Śukla Pakṣa","solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Śukla Tṛtīyā · Vikram 2055 Khara · Śaka 1920 Bahudhānya"},"festivals":[{"id":"tula-sankranti","name":"Tulā Saṅkrānti","name_sanskrit":"तुला सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Libra.","vrata":false,"detection":{"sun_rashi":"Tulā"},"precedence":5}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 23, 1998 CE · Erode, Tamil Nadu · Vidhyamitra","description":"October 23, 1998 CE for Erode, Tamil Nadu: Śukla Tṛtīyā, sūryodaya 06:09, sūryāsta 17:57.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1998-10-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1998-10-23","sa":"https://sa.vidhyamitra.com/city/erode/1998-10-23","hi":"https://hi.vidhyamitra.com/city/erode/1998-10-23","x-default":"https://vidhyamitra.com/city/erode/1998-10-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T03:38:52.192Z","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":"2026-05-17T03:38:52.192Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T03:38:52.192Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}