{"id":"vidhyamitra:city-day:erode:1923-05-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1923-05-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1923-05-01","date_display":"May 1, 1923 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":1923,"month":5,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2423540.770833,"kali_year":5025,"ahargana":1835075.2708,"sun":{"sidereal_longitude":17.1085,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":199.5454,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":182.4369,"elapsed_within_tithi_degrees":2.4369},"nakshatra":{"number":15,"name":"Svātī","pada":4,"moon_longitude":199.5454,"elapsed_within_degrees":12.8787},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":216.6539},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1923,"month":5,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2423540.770833,"ahargana":1835075.2708,"kali_year":5025,"ayanamsa_lahiri":22.7819,"grahas":{"sun":{"sidereal_longitude":16.869777999999997,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":199.06877800000007,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false,"latitude":3.4791},"mars":{"sidereal_longitude":48.46697799999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":38.15777800000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":203.17117800000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":343.648478,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":172.62097800000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":148.8812,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":328.8812,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","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":1923,"month":5,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2423540.770833,"kali_year":5025,"ahargana":1835075.2708,"sun":{"sidereal_longitude":17.1085,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":199.5454,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":182.4369,"elapsed_within_tithi_degrees":2.4369},"nakshatra":{"number":15,"name":"Svātī","pada":4,"moon_longitude":199.5454,"elapsed_within_degrees":12.8787},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":216.6539},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.479,"elongation":177.563},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.479,"opposition_distance":2.437}},"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":"06:01","sunsetLocal":"18:32","solarNoonLocal":"12:16","dayLengthHours":12.51954565120068,"dayLengthDisplay":"12 Hours 31 Mins 10 Secs","nightLengthDisplay":"11 Hours 28 Mins 50 Secs","moonriseLocal":"18:35","moonsetLocal":"06:15","rahuKala":{"name":"Rāhu Kāla","start":"15:24","end":"16:58","startHours":15.400106290650722,"endHours":16.96504949705081,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:08","end":"10:42","startHours":9.140333465050382,"endHours":10.705276671450468,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:16","end":"13:50","startHours":12.270219877850554,"endHours":13.835163084250638,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:56","end":"09:21","startHours":8.931674370863705,"endHours":9.348992559237061,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:32","end":"06:52","startHours":6.532094787716908,"endHours":6.865949338415593,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:51","end":"12:41","startHours":11.852901689477198,"endHours":12.68753806622391,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:20","end":"05:11","startHours":4.341174298756789,"endHours":5.175810675503501,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:58","end":"06:01","startHours":4.967151581316823,"endHours":6.010447052250213,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:21","end":"15:11","startHours":14.356810819717332,"endHours":15.191447196464043,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:20","end":"18:44","startHours":18.329992703450895,"endHours":18.729992703450893,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:32","end":"19:03","startHours":18.529992703450894,"endHours":19.051640438917588,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:17","end":"20:02","startHours":18.279992703450894,"endHours":20.029992703450894,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:51","end":"00:41","startHours":23.852901689477196,"endHours":24.68753806622391,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:01","end":"07:35","startHours":6.010447052250213,"endHours":7.575390258650298,"quality":"inauspicious"},{"name":"Udveg","start":"07:35","end":"09:08","startHours":7.575390258650298,"endHours":9.140333465050382,"quality":"inauspicious"},{"name":"Chala","start":"09:08","end":"10:42","startHours":9.140333465050382,"endHours":10.705276671450468,"quality":"neutral"},{"name":"Labha","start":"10:42","end":"12:16","startHours":10.705276671450468,"endHours":12.270219877850554,"quality":"auspicious"},{"name":"Amṛta","start":"12:16","end":"13:50","startHours":12.270219877850554,"endHours":13.835163084250638,"quality":"auspicious"},{"name":"Kāla","start":"13:50","end":"15:24","startHours":13.835163084250638,"endHours":15.400106290650722,"quality":"inauspicious"},{"name":"Śubha","start":"15:24","end":"16:58","startHours":15.400106290650722,"endHours":16.96504949705081,"quality":"auspicious"},{"name":"Roga","start":"16:58","end":"18:32","startHours":16.96504949705081,"endHours":18.529992703450894,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:32","end":"19:58","startHours":18.529992703450894,"endHours":19.96504949705081,"quality":"inauspicious"},{"name":"Śubha","start":"19:58","end":"21:24","startHours":19.96504949705081,"endHours":21.400106290650726,"quality":"auspicious"},{"name":"Roga","start":"21:24","end":"22:50","startHours":21.400106290650726,"endHours":22.835163084250638,"quality":"inauspicious"},{"name":"Udveg","start":"22:50","end":"00:16","startHours":22.835163084250638,"endHours":24.270219877850554,"quality":"inauspicious"},{"name":"Chala","start":"00:16","end":"01:42","startHours":24.270219877850554,"endHours":25.70527667145047,"quality":"neutral"},{"name":"Labha","start":"01:42","end":"03:08","startHours":25.70527667145047,"endHours":27.140333465050382,"quality":"auspicious"},{"name":"Amṛta","start":"03:08","end":"04:35","startHours":27.140333465050382,"endHours":28.575390258650298,"quality":"auspicious"},{"name":"Kāla","start":"04:35","end":"06:01","startHours":28.575390258650298,"endHours":30.010447052250214,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:01","end":"07:01","startHours":6.010447052250213,"endHours":7.010447052250213,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:01","end":"08:01","startHours":7.010447052250213,"endHours":8.010447052250214,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:01","end":"09:01","startHours":8.010447052250214,"endHours":9.010447052250214,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:01","end":"10:01","startHours":9.010447052250214,"endHours":10.010447052250214,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:01","end":"11:01","startHours":10.010447052250214,"endHours":11.010447052250214,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:01","end":"12:01","startHours":11.010447052250214,"endHours":12.010447052250214,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:01","end":"13:01","startHours":12.010447052250214,"endHours":13.010447052250214,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:01","end":"14:01","startHours":13.010447052250214,"endHours":14.010447052250214,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:01","end":"15:01","startHours":14.010447052250214,"endHours":15.010447052250214,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:01","end":"16:01","startHours":15.010447052250214,"endHours":16.010447052250214,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:01","end":"17:01","startHours":16.010447052250214,"endHours":17.010447052250214,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:01","end":"18:01","startHours":17.010447052250214,"endHours":18.010447052250214,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:01","end":"19:01","startHours":18.010447052250214,"endHours":19.010447052250214,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:01","end":"20:01","startHours":19.010447052250214,"endHours":20.010447052250214,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:01","end":"21:01","startHours":20.010447052250214,"endHours":21.010447052250214,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:01","end":"22:01","startHours":21.010447052250214,"endHours":22.010447052250214,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:01","end":"23:01","startHours":22.010447052250214,"endHours":23.010447052250214,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:01","end":"00:01","startHours":23.010447052250214,"endHours":24.010447052250214,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:01","end":"01:01","startHours":24.010447052250214,"endHours":25.010447052250214,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:01","end":"02:01","startHours":25.010447052250214,"endHours":26.010447052250214,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:01","end":"03:01","startHours":26.010447052250214,"endHours":27.010447052250214,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:01","end":"04:01","startHours":27.010447052250214,"endHours":28.010447052250214,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:01","end":"05:01","startHours":28.010447052250214,"endHours":29.010447052250214,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:01","end":"06:01","startHours":29.010447052250214,"endHours":30.010447052250214,"planetary_lord":"Saturn"}],"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","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"North","rahuVasa":"North","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":14.702521918281839,"eotMinutes":2.918007328966811,"ayanamsa":22.7819}},"calendars":{"vikram_samvat":1980,"vikram_samvatsara":"Dhātṛ","saka_samvat":1845,"saka_samvatsara":"Rudhirodgāri","bengali_samvat":1330,"malayalam_era":1099,"nanakshahi_year":454,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Pratipada · Vikram 1980 Dhātṛ · Śaka 1845 Rudhirodgāri"},"festivals":[{"id":"mesha-sankranti","name":"Meṣa Saṅkrānti (Vaiśākhī / Vishu / Pohelā Boishākh / Bihu)","name_sanskrit":"मेष सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aries; solar new year. Regional: Vaiśākhī (Punjab) · Vishu (Kerala) · Pohelā Boishākh (Bengal) · Bihu (Assam) · Tamil Puthāṇḍu.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":1},{"id":"narada-jayanti","name":"Bhagavān Nārada Jayantī","name_sanskrit":"भगवान् नारद जयन्ती","tradition":"Vaishnava","associated_deity":"Devarṣi Nārada (ādi-bhakta · Vyāsa's guru)","significance":"Manifestation of Devarṣi Nārada — ādi-bhakta and tri-loka-saṅcāri who instructed Vyāsa to compose Śrīmad Bhāgavata. Without Nārada, no Bhāgavata; without Bhāgavata, no Krishna-tattva-pratiṣṭhā in Kali Yuga. Falls on Vaiśākha Kṛṣṇa Pratipadā (day after Buddha Pūrṇimā).","vrata":true,"primary_observance":"Recitation of Nārada-Bhakti-Sūtra; meditation on Krishna as taught by Nārada to Vyāsa (Bhāgavata 1.5)","detection":{"tithi_number":16,"tithi_paksha":"Kṛṣṇa","lunar_month":"Vaiśākha"},"precedence":1,"sources":["Bhāgavata Purāṇa 1.5-6 (Nārada-Vyāsa-saṁvāda)","Nārada-Bhakti-Sūtra"]},{"id":"baisakhi","name":"Baisakhi (Vaiśākhī)","name_sanskrit":"वैशाखी","tradition":"Regional","associated_deity":"Sūrya + Khalsa Pantha (Sikh)","significance":"Punjab New Year + Sikh Khalsa founding day.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":2}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 May 1, 1923 CE · Erode, Tamil Nadu · Vidhyamitra","description":"May 1, 1923 CE for Erode, Tamil Nadu: Kṛṣṇa Pratipada, sūryodaya 06:01, sūryāsta 18:32.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1923-05-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1923-05-01","sa":"https://sa.vidhyamitra.com/city/erode/1923-05-01","hi":"https://hi.vidhyamitra.com/city/erode/1923-05-01","x-default":"https://vidhyamitra.com/city/erode/1923-05-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-23T02:31:56.593Z","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":"2026-05-23T02:31:56.593Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-23T02:31:56.593Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}