{"id":"vidhyamitra:city-day:erode:1939-05-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1939-05-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1939-05-01","date_display":"May 1, 1939 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":1939,"month":5,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2429384.770833,"kali_year":5041,"ahargana":1840919.2708,"sun":{"sidereal_longitude":16.9733,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":165.1873,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":148.214,"elapsed_within_tithi_degrees":4.214},"nakshatra":{"number":13,"name":"Hasta","pada":2,"moon_longitude":165.1873,"elapsed_within_degrees":5.1873},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":182.1605},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1939,"month":5,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2429384.770833,"ahargana":1840919.2708,"kali_year":5041,"ayanamsa_lahiri":23.0055,"grahas":{"sun":{"sidereal_longitude":16.77119399999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":163.55639399999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false,"latitude":-2.5179},"mars":{"sidereal_longitude":268.64389400000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":350.771094,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":335.54519400000004,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":344.385594,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":0.8442939999999908,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":199.2379,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":19.2379,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"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":1939,"month":5,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2429384.770833,"kali_year":5041,"ahargana":1840919.2708,"sun":{"sidereal_longitude":16.9733,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":165.1873,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":148.214,"elapsed_within_tithi_degrees":4.214},"nakshatra":{"number":13,"name":"Hasta","pada":2,"moon_longitude":165.1873,"elapsed_within_degrees":5.1873},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":182.1605},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.518,"elongation":148.214},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.518,"opposition_distance":31.786}},"eclipse_window_40days":[{"offset_days":18,"type":"solar","occurs":true,"moon_latitude":-1.027,"elongation":2.776}]},"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":12.52070015419141,"dayLengthDisplay":"12 Hours 31 Mins 15 Secs","nightLengthDisplay":"11 Hours 28 Mins 45 Secs","moonriseLocal":"16:03","moonsetLocal":"04:04","rahuKala":{"name":"Rāhu Kāla","start":"07:34","end":"09:08","startHours":7.574957320028776,"endHours":9.140044839302703,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:42","end":"12:16","startHours":10.705132358576629,"endHours":12.270219877850554,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:50","end":"15:24","startHours":13.835307397124481,"endHours":15.400394916398408,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:56","end":"09:21","startHours":8.931366503399513,"endHours":9.348723175205892,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:32","end":"06:52","startHours":6.5315656405128255,"endHours":6.86545097795793,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:51","end":"12:41","startHours":11.852863206044173,"endHours":12.687576549656935,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:20","end":"05:11","startHours":4.340443113529329,"endHours":5.17515645714209,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:58","end":"06:01","startHours":4.966478121238899,"endHours":6.00986980075485,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:21","end":"15:12","startHours":14.357003236882456,"endHours":15.191716580495216,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:20","end":"18:44","startHours":18.33056995494626,"endHours":18.730569954946258,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:32","end":"19:03","startHours":18.53056995494626,"endHours":19.052265794704233,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:17","end":"20:02","startHours":18.28056995494626,"endHours":20.03056995494626,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:51","end":"00:41","startHours":23.852863206044173,"endHours":24.687576549656935,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:01","end":"07:34","startHours":6.00986980075485,"endHours":7.574957320028776,"quality":"auspicious"},{"name":"Kāla","start":"07:34","end":"09:08","startHours":7.574957320028776,"endHours":9.140044839302703,"quality":"inauspicious"},{"name":"Śubha","start":"09:08","end":"10:42","startHours":9.140044839302703,"endHours":10.705132358576629,"quality":"auspicious"},{"name":"Roga","start":"10:42","end":"12:16","startHours":10.705132358576629,"endHours":12.270219877850554,"quality":"inauspicious"},{"name":"Udveg","start":"12:16","end":"13:50","startHours":12.270219877850554,"endHours":13.835307397124481,"quality":"inauspicious"},{"name":"Chala","start":"13:50","end":"15:24","startHours":13.835307397124481,"endHours":15.400394916398408,"quality":"neutral"},{"name":"Labha","start":"15:24","end":"16:58","startHours":15.400394916398408,"endHours":16.96548243567233,"quality":"auspicious"},{"name":"Amṛta","start":"16:58","end":"18:32","startHours":16.96548243567233,"endHours":18.53056995494626,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:32","end":"19:58","startHours":18.53056995494626,"endHours":19.96548243567233,"quality":"neutral"},{"name":"Labha","start":"19:58","end":"21:24","startHours":19.96548243567233,"endHours":21.400394916398405,"quality":"auspicious"},{"name":"Amṛta","start":"21:24","end":"22:50","startHours":21.400394916398405,"endHours":22.83530739712448,"quality":"auspicious"},{"name":"Kāla","start":"22:50","end":"00:16","startHours":22.83530739712448,"endHours":24.270219877850554,"quality":"inauspicious"},{"name":"Śubha","start":"00:16","end":"01:42","startHours":24.270219877850554,"endHours":25.705132358576627,"quality":"auspicious"},{"name":"Roga","start":"01:42","end":"03:08","startHours":25.705132358576627,"endHours":27.140044839302703,"quality":"inauspicious"},{"name":"Udveg","start":"03:08","end":"04:34","startHours":27.140044839302703,"endHours":28.574957320028776,"quality":"inauspicious"},{"name":"Chala","start":"04:34","end":"06:01","startHours":28.574957320028776,"endHours":30.00986980075485,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:01","end":"07:01","startHours":6.00986980075485,"endHours":7.00986980075485,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:01","end":"08:01","startHours":7.00986980075485,"endHours":8.00986980075485,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:01","end":"09:01","startHours":8.00986980075485,"endHours":9.00986980075485,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:01","end":"10:01","startHours":9.00986980075485,"endHours":10.00986980075485,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:01","end":"11:01","startHours":10.00986980075485,"endHours":11.00986980075485,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:01","end":"12:01","startHours":11.00986980075485,"endHours":12.00986980075485,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:01","end":"13:01","startHours":12.00986980075485,"endHours":13.00986980075485,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:01","end":"14:01","startHours":13.00986980075485,"endHours":14.00986980075485,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:01","end":"15:01","startHours":14.00986980075485,"endHours":15.00986980075485,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:01","end":"16:01","startHours":15.00986980075485,"endHours":16.00986980075485,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:01","end":"17:01","startHours":16.00986980075485,"endHours":17.00986980075485,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:01","end":"18:01","startHours":17.00986980075485,"endHours":18.00986980075485,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:01","end":"19:01","startHours":18.00986980075485,"endHours":19.00986980075485,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:01","end":"20:01","startHours":19.00986980075485,"endHours":20.00986980075485,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:01","end":"21:01","startHours":20.00986980075485,"endHours":21.00986980075485,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:01","end":"22:01","startHours":21.00986980075485,"endHours":22.00986980075485,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:01","end":"23:01","startHours":22.00986980075485,"endHours":23.00986980075485,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:01","end":"00:01","startHours":23.00986980075485,"endHours":24.00986980075485,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:01","end":"01:01","startHours":24.00986980075485,"endHours":25.00986980075485,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:01","end":"02:01","startHours":25.00986980075485,"endHours":26.00986980075485,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:01","end":"03:01","startHours":26.00986980075485,"endHours":27.00986980075485,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:01","end":"04:01","startHours":27.00986980075485,"endHours":28.00986980075485,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:01","end":"05:01","startHours":28.00986980075485,"endHours":29.00986980075485,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:01","end":"06:01","startHours":29.00986980075485,"endHours":30.00986980075485,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Mṛtyu","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":14.742069220029622,"eotMinutes":2.918007328966811,"ayanamsa":23.0055}},"calendars":{"vikram_samvat":1996,"vikram_samvatsara":"Nandana","saka_samvat":1861,"saka_samvatsara":"Pramāthi","bengali_samvat":1346,"malayalam_era":1115,"nanakshahi_year":470,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Trayodaśī · Vikram 1996 Nandana · Śaka 1861 Pramāthi"},"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":"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},{"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":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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, 1939 CE · Erode, Tamil Nadu · Vidhyamitra","description":"May 1, 1939 CE for Erode, Tamil Nadu: Śukla Trayodaśī, sūryodaya 06:01, sūryāsta 18:32.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1939-05-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1939-05-01","sa":"https://sa.vidhyamitra.com/city/erode/1939-05-01","hi":"https://hi.vidhyamitra.com/city/erode/1939-05-01","x-default":"https://vidhyamitra.com/city/erode/1939-05-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T21:38:10.714Z","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":"2026-05-21T21:38:10.714Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T21:38:10.714Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}