{"id":"vidhyamitra:city-day:erode:2103-03-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2103-03-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2103-03-21","date_display":"March 21, 2103 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":2103,"month":3,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2489243.770833,"kali_year":5204,"ahargana":1900778.2708,"sun":{"sidereal_longitude":334.4226,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":122.4526,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":148.0299,"elapsed_within_tithi_degrees":4.0299},"nakshatra":{"number":10,"name":"Maghā","pada":1,"moon_longitude":122.4526,"elapsed_within_degrees":2.4526},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":96.8752},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2103,"month":3,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2489243.770833,"ahargana":1900778.2708,"kali_year":5204,"ayanamsa_lahiri":25.2948,"grahas":{"sun":{"sidereal_longitude":334.48384,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":123.64844,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false,"latitude":-2.5685},"mars":{"sidereal_longitude":301.8578399999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":350.57744,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":266.7482399999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":12.55104,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":215.54554000000007,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":267.62,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":87.62,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"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":2103,"month":3,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2489243.770833,"kali_year":5204,"ahargana":1900778.2708,"sun":{"sidereal_longitude":334.4226,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":122.4526,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":148.0299,"elapsed_within_tithi_degrees":4.0299},"nakshatra":{"number":10,"name":"Maghā","pada":1,"moon_longitude":122.4526,"elapsed_within_degrees":2.4526},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":96.8752},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.569,"elongation":148.03},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.569,"opposition_distance":31.97}},"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":"06:24","sunsetLocal":"18:30","solarNoonLocal":"12:27","dayLengthHours":12.110924156502783,"dayLengthDisplay":"12 Hours 06 Mins 39 Secs","nightLengthDisplay":"11 Hours 53 Mins 21 Secs","moonriseLocal":"16:12","moonsetLocal":"04:36","rahuKala":{"name":"Rāhu Kāla","start":"12:27","end":"13:58","startHours":12.449566760362124,"endHours":13.963432279924971,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:54","end":"09:25","startHours":7.90797020167358,"endHours":9.421835721236427,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:56","end":"12:27","startHours":10.935701240799276,"endHours":12.449566760362124,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:13","end":"09:37","startHours":9.219986985294714,"endHours":9.62368445717814,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:54","end":"07:13","startHours":6.898726521965014,"endHours":7.221684499471755,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:03","end":"12:51","startHours":12.045869288478698,"endHours":12.85326423224555,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:47","end":"05:35","startHours":4.779314794577028,"endHours":5.586709738343879,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:23","end":"06:24","startHours":5.384861002402166,"endHours":6.394104682110732,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:17","startHours":14.468054119779254,"endHours":15.275449063546105,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:18","end":"18:42","startHours":18.305028838613516,"endHours":18.705028838613515,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:30","end":"19:01","startHours":18.505028838613516,"endHours":19.0096506784678,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:15","end":"20:00","startHours":18.255028838613516,"endHours":20.005028838613516,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:03","end":"00:51","startHours":24.0458692884787,"endHours":24.85326423224555,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:24","end":"07:54","startHours":6.394104682110732,"endHours":7.90797020167358,"quality":"auspicious"},{"name":"Amṛta","start":"07:54","end":"09:25","startHours":7.90797020167358,"endHours":9.421835721236427,"quality":"auspicious"},{"name":"Kāla","start":"09:25","end":"10:56","startHours":9.421835721236427,"endHours":10.935701240799276,"quality":"inauspicious"},{"name":"Śubha","start":"10:56","end":"12:27","startHours":10.935701240799276,"endHours":12.449566760362124,"quality":"auspicious"},{"name":"Roga","start":"12:27","end":"13:58","startHours":12.449566760362124,"endHours":13.963432279924971,"quality":"inauspicious"},{"name":"Udveg","start":"13:58","end":"15:29","startHours":13.963432279924971,"endHours":15.477297799487818,"quality":"inauspicious"},{"name":"Chala","start":"15:29","end":"16:59","startHours":15.477297799487818,"endHours":16.991163319050667,"quality":"neutral"},{"name":"Labha","start":"16:59","end":"18:30","startHours":16.991163319050667,"endHours":18.505028838613516,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:30","end":"19:59","startHours":18.505028838613516,"endHours":19.991163319050667,"quality":"inauspicious"},{"name":"Chala","start":"19:59","end":"21:29","startHours":19.991163319050667,"endHours":21.477297799487822,"quality":"neutral"},{"name":"Labha","start":"21:29","end":"22:58","startHours":21.477297799487822,"endHours":22.963432279924973,"quality":"auspicious"},{"name":"Amṛta","start":"22:58","end":"00:27","startHours":22.963432279924973,"endHours":24.449566760362124,"quality":"auspicious"},{"name":"Kāla","start":"00:27","end":"01:56","startHours":24.449566760362124,"endHours":25.935701240799276,"quality":"inauspicious"},{"name":"Śubha","start":"01:56","end":"03:25","startHours":25.935701240799276,"endHours":27.421835721236427,"quality":"auspicious"},{"name":"Roga","start":"03:25","end":"04:54","startHours":27.421835721236427,"endHours":28.90797020167358,"quality":"inauspicious"},{"name":"Udveg","start":"04:54","end":"06:24","startHours":28.90797020167358,"endHours":30.394104682110733,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:24","end":"07:24","startHours":6.394104682110732,"endHours":7.394104682110732,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:24","end":"08:24","startHours":7.394104682110732,"endHours":8.394104682110733,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:24","end":"09:24","startHours":8.394104682110733,"endHours":9.394104682110733,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:24","end":"10:24","startHours":9.394104682110733,"endHours":10.394104682110733,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:24","end":"11:24","startHours":10.394104682110733,"endHours":11.394104682110733,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:24","end":"12:24","startHours":11.394104682110733,"endHours":12.394104682110733,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:24","end":"13:24","startHours":12.394104682110733,"endHours":13.394104682110733,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:24","end":"14:24","startHours":13.394104682110733,"endHours":14.394104682110733,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:24","end":"15:24","startHours":14.394104682110733,"endHours":15.394104682110733,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:24","end":"16:24","startHours":15.394104682110733,"endHours":16.394104682110733,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:24","end":"17:24","startHours":16.394104682110733,"endHours":17.394104682110733,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:24","end":"18:24","startHours":17.394104682110733,"endHours":18.394104682110733,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:24","end":"19:24","startHours":18.394104682110733,"endHours":19.394104682110733,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:24","end":"20:24","startHours":19.394104682110733,"endHours":20.394104682110733,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:24","end":"21:24","startHours":20.394104682110733,"endHours":21.394104682110733,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:24","end":"22:24","startHours":21.394104682110733,"endHours":22.394104682110733,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:24","end":"23:24","startHours":22.394104682110733,"endHours":23.394104682110733,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:24","end":"00:24","startHours":23.394104682110733,"endHours":24.394104682110733,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:24","end":"01:24","startHours":24.394104682110733,"endHours":25.394104682110733,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:24","end":"02:24","startHours":25.394104682110733,"endHours":26.394104682110733,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:24","end":"03:24","startHours":26.394104682110733,"endHours":27.394104682110733,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:24","end":"04:24","startHours":27.394104682110733,"endHours":28.394104682110733,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:24","end":"05:24","startHours":28.394104682110733,"endHours":29.394104682110733,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:24","end":"06:24","startHours":29.394104682110733,"endHours":30.394104682110733,"planetary_lord":"Sun"}],"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","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"West","rahuVasa":"South-West","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"drikRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-0.08804187322733553,"eotMinutes":-7.842805621727393,"ayanamsa":25.2948}},"calendars":{"vikram_samvat":2160,"vikram_samvatsara":"Dhātṛ","saka_samvat":2025,"saka_samvatsara":"Rudhirodgāri","bengali_samvat":1510,"malayalam_era":1279,"nanakshahi_year":634,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Trayodaśī · Vikram 2160 Dhātṛ · Śaka 2025 Rudhirodgāri"},"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},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 March 21, 2103 CE · Erode, Tamil Nadu · Vidhyamitra","description":"March 21, 2103 CE for Erode, Tamil Nadu: Śukla Trayodaśī, sūryodaya 06:24, sūryāsta 18:30.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2103-03-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2103-03-21","sa":"https://sa.vidhyamitra.com/city/erode/2103-03-21","hi":"https://hi.vidhyamitra.com/city/erode/2103-03-21","x-default":"https://vidhyamitra.com/city/erode/2103-03-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T05:56:07.151Z","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":"2026-05-21T05:56:07.151Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T05:56:07.151Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}