{"id":"vidhyamitra:city-day:erode:1998-03-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1998-03-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1998-03-21","date_display":"March 21, 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":3,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450893.770833,"kali_year":5099,"ahargana":1862428.2708,"sun":{"sidereal_longitude":336.5786,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":246.9112,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":270.3326,"elapsed_within_tithi_degrees":6.3326},"nakshatra":{"number":19,"name":"Mūla","pada":3,"moon_longitude":246.9112,"elapsed_within_degrees":6.9112},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":223.4898},"karana":{"half_tithi_index":45,"name":"Kaulava"},"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":1998,"month":3,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450893.770833,"ahargana":1862428.2708,"kali_year":5099,"ayanamsa_lahiri":23.8281,"grahas":{"sun":{"sidereal_longitude":336.395392,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":243.086592,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false,"latitude":4.2955},"mars":{"sidereal_longitude":348.815592,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":354.822692,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":316.81639199999995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":290.064892,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":356.575392,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":139.5876,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":319.5876,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":1998,"month":3,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450893.770833,"kali_year":5099,"ahargana":1862428.2708,"sun":{"sidereal_longitude":336.5786,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":246.9112,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":270.3326,"elapsed_within_tithi_degrees":6.3326},"nakshatra":{"number":19,"name":"Mūla","pada":3,"moon_longitude":246.9112,"elapsed_within_degrees":6.9112},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":223.4898},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.295,"elongation":89.667},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.295,"opposition_distance":90.333}},"eclipse_window_40days":[{"offset_days":-8,"type":"lunar","occurs":true,"moon_latitude":0.638,"opposition_distance":0.442}]},"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":"06:24","sunsetLocal":"18:30","solarNoonLocal":"12:27","dayLengthHours":12.115656166908153,"dayLengthDisplay":"12 Hours 06 Mins 56 Secs","nightLengthDisplay":"11 Hours 53 Mins 04 Secs","moonriseLocal":"00:31","moonsetLocal":"11:56","rahuKala":{"name":"Rāhu Kāla","start":"09:25","end":"10:56","startHours":9.420652718635086,"endHours":10.935109739498603,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:58","end":"15:29","startHours":13.964023781225642,"endHours":15.478480802089162,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:24","end":"07:54","startHours":6.391738676908047,"endHours":7.906195697771566,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:13","end":"09:37","startHours":9.218725115853282,"endHours":9.622580321416887,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:54","end":"07:13","startHours":6.896557683862554,"endHours":7.2196418483134375,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:03","end":"12:51","startHours":12.045711554798519,"endHours":12.85342196592573,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:47","end":"05:35","startHours":4.776317854653627,"endHours":5.584028265780837,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:23","end":"06:24","startHours":5.382100662999035,"endHours":6.391738676908047,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:17","startHours":14.468842788180151,"endHours":15.276553199307362,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:18","end":"18:42","startHours":18.3073948438162,"endHours":18.7073948438162,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:30","end":"19:01","startHours":18.5073948438162,"endHours":19.012213850770706,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:15","end":"20:00","startHours":18.2573948438162,"endHours":20.0073948438162,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:03","end":"00:51","startHours":24.04571155479852,"endHours":24.85342196592573,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:24","end":"07:54","startHours":6.391738676908047,"endHours":7.906195697771566,"quality":"inauspicious"},{"name":"Śubha","start":"07:54","end":"09:25","startHours":7.906195697771566,"endHours":9.420652718635086,"quality":"auspicious"},{"name":"Roga","start":"09:25","end":"10:56","startHours":9.420652718635086,"endHours":10.935109739498603,"quality":"inauspicious"},{"name":"Udveg","start":"10:56","end":"12:27","startHours":10.935109739498603,"endHours":12.449566760362124,"quality":"inauspicious"},{"name":"Chala","start":"12:27","end":"13:58","startHours":12.449566760362124,"endHours":13.964023781225642,"quality":"neutral"},{"name":"Labha","start":"13:58","end":"15:29","startHours":13.964023781225642,"endHours":15.478480802089162,"quality":"auspicious"},{"name":"Amṛta","start":"15:29","end":"17:00","startHours":15.478480802089162,"endHours":16.99293782295268,"quality":"auspicious"},{"name":"Kāla","start":"17:00","end":"18:30","startHours":16.99293782295268,"endHours":18.5073948438162,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:30","end":"20:00","startHours":18.5073948438162,"endHours":19.992937822952683,"quality":"auspicious"},{"name":"Amṛta","start":"20:00","end":"21:29","startHours":19.992937822952683,"endHours":21.478480802089162,"quality":"auspicious"},{"name":"Kāla","start":"21:29","end":"22:58","startHours":21.478480802089162,"endHours":22.96402378122564,"quality":"inauspicious"},{"name":"Śubha","start":"22:58","end":"00:27","startHours":22.96402378122564,"endHours":24.449566760362124,"quality":"auspicious"},{"name":"Roga","start":"00:27","end":"01:56","startHours":24.449566760362124,"endHours":25.935109739498607,"quality":"inauspicious"},{"name":"Udveg","start":"01:56","end":"03:25","startHours":25.935109739498607,"endHours":27.420652718635086,"quality":"inauspicious"},{"name":"Chala","start":"03:25","end":"04:54","startHours":27.420652718635086,"endHours":28.906195697771565,"quality":"neutral"},{"name":"Labha","start":"04:54","end":"06:24","startHours":28.906195697771565,"endHours":30.391738676908048,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:24","end":"07:24","startHours":6.391738676908047,"endHours":7.391738676908047,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:24","end":"08:24","startHours":7.391738676908047,"endHours":8.391738676908048,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:24","end":"09:24","startHours":8.391738676908048,"endHours":9.391738676908048,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:24","end":"10:24","startHours":9.391738676908048,"endHours":10.391738676908048,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:24","end":"11:24","startHours":10.391738676908048,"endHours":11.391738676908048,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:24","end":"12:24","startHours":11.391738676908048,"endHours":12.391738676908048,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:24","end":"13:24","startHours":12.391738676908048,"endHours":13.391738676908048,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:24","end":"14:24","startHours":13.391738676908048,"endHours":14.391738676908048,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:24","end":"15:24","startHours":14.391738676908048,"endHours":15.391738676908048,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:24","end":"16:24","startHours":15.391738676908048,"endHours":16.391738676908048,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:24","end":"17:24","startHours":16.391738676908048,"endHours":17.391738676908048,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:24","end":"18:24","startHours":17.391738676908048,"endHours":18.391738676908048,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:24","end":"19:24","startHours":18.391738676908048,"endHours":19.391738676908048,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:24","end":"20:24","startHours":19.391738676908048,"endHours":20.391738676908048,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:24","end":"21:24","startHours":20.391738676908048,"endHours":21.391738676908048,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:24","end":"22:24","startHours":21.391738676908048,"endHours":22.391738676908048,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:24","end":"23:24","startHours":22.391738676908048,"endHours":23.391738676908048,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:24","end":"00:24","startHours":23.391738676908048,"endHours":24.391738676908048,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:24","end":"01:24","startHours":24.391738676908048,"endHours":25.391738676908048,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:24","end":"02:24","startHours":25.391738676908048,"endHours":26.391738676908048,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:24","end":"03:24","startHours":26.391738676908048,"endHours":27.391738676908048,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:24","end":"04:24","startHours":27.391738676908048,"endHours":28.391738676908048,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:24","end":"05:24","startHours":28.391738676908048,"endHours":29.391738676908048,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:24","end":"06:24","startHours":29.391738676908048,"endHours":30.391738676908048,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Lumba","quality":"Auspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":0.0888898334556664,"eotMinutes":-7.842805621727393,"ayanamsa":23.8281}},"calendars":{"vikram_samvat":2055,"vikram_samvatsara":"Khara","saka_samvat":1920,"saka_samvatsara":"Bahudhānya","bengali_samvat":1405,"malayalam_era":1174,"nanakshahi_year":529,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Kṛṣṇa Aṣṭamī · Vikram 2055 Khara · Śaka 1920 Bahudhānya"},"festivals":[{"id":"mina-sankranti","name":"Mīna Saṅkrānti","name_sanskrit":"मीन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Pisces; Mīna-māsa begins.","vrata":false,"detection":{"sun_rashi":"Mīna"},"precedence":5}],"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":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","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 March 21, 1998 CE · Erode, Tamil Nadu · Vidhyamitra","description":"March 21, 1998 CE for Erode, Tamil Nadu: Kṛṣṇa Aṣṭamī, sūryodaya 06:24, sūryāsta 18:30.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1998-03-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1998-03-21","sa":"https://sa.vidhyamitra.com/city/erode/1998-03-21","hi":"https://hi.vidhyamitra.com/city/erode/1998-03-21","x-default":"https://vidhyamitra.com/city/erode/1998-03-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-24T21:00:18.017Z","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":"2026-05-24T21:00:18.017Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-24T21:00:18.017Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}