{"id":"vidhyamitra:city-day:erode:1939-10-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1939-10-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1939-10-13","date_display":"October 13, 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":10,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2429549.770833,"kali_year":5041,"ahargana":1841084.2708,"sun":{"sidereal_longitude":175.1989,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":178.9138,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":3.7149,"elapsed_within_tithi_degrees":3.7149},"nakshatra":{"number":14,"name":"Citrā","pada":2,"moon_longitude":178.9138,"elapsed_within_degrees":5.5804},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":354.1127},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"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":1939,"month":10,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2429549.770833,"ahargana":1841084.2708,"kali_year":5041,"ayanamsa_lahiri":23.0118,"grahas":{"sun":{"sidereal_longitude":175.79079000000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":178.31699000000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false,"latitude":-0.9025},"mars":{"sidereal_longitude":286.12158999999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":190.54548999999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":339.43449,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":186.51488999999992,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":5.940890000000024,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":190.4954,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":10.4954,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","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":1939,"month":10,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2429549.770833,"kali_year":5041,"ahargana":1841084.2708,"sun":{"sidereal_longitude":175.1989,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":178.9138,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":3.7149,"elapsed_within_tithi_degrees":3.7149},"nakshatra":{"number":14,"name":"Citrā","pada":2,"moon_longitude":178.9138,"elapsed_within_degrees":5.5804},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":354.1127},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.903,"elongation":3.715},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.903,"opposition_distance":176.285}},"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":"06:07","sunsetLocal":"18:02","solarNoonLocal":"12:05","dayLengthHours":11.91616506205365,"dayLengthDisplay":"11 Hours 54 Mins 58 Secs","nightLengthDisplay":"12 Hours 05 Mins 02 Secs","moonriseLocal":"06:19","moonsetLocal":"18:10","rahuKala":{"name":"Rāhu Kāla","start":"10:35","end":"12:05","startHours":10.588625547108705,"endHours":12.07814617986541,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:03","end":"16:33","startHours":15.057187445378823,"endHours":16.54670807813553,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:37","end":"09:06","startHours":7.609584281595292,"endHours":9.099104914351997,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:54","end":"09:18","startHours":8.900502163317771,"endHours":9.297707665386225,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:37","end":"06:56","startHours":6.616570526424154,"endHours":6.934334928078918,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:41","end":"12:29","startHours":11.680940677796954,"endHours":12.475351681933866,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:32","end":"05:20","startHours":4.531241640564765,"endHours":5.325652644701676,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:08","end":"06:07","startHours":5.127049893667448,"endHours":6.120063648838586,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:04","end":"14:52","startHours":14.064173690207685,"endHours":14.858584694344595,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:50","end":"18:14","startHours":17.836228710892236,"endHours":18.236228710892235,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:02","end":"18:32","startHours":18.036228710892235,"endHours":18.532735588477806,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:47","end":"19:32","startHours":17.786228710892235,"endHours":19.536228710892235,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:41","end":"00:29","startHours":23.680940677796954,"endHours":24.475351681933866,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:07","end":"07:37","startHours":6.120063648838586,"endHours":7.609584281595292,"quality":"neutral"},{"name":"Labha","start":"07:37","end":"09:06","startHours":7.609584281595292,"endHours":9.099104914351997,"quality":"auspicious"},{"name":"Amṛta","start":"09:06","end":"10:35","startHours":9.099104914351997,"endHours":10.588625547108705,"quality":"auspicious"},{"name":"Kāla","start":"10:35","end":"12:05","startHours":10.588625547108705,"endHours":12.07814617986541,"quality":"inauspicious"},{"name":"Śubha","start":"12:05","end":"13:34","startHours":12.07814617986541,"endHours":13.567666812622118,"quality":"auspicious"},{"name":"Roga","start":"13:34","end":"15:03","startHours":13.567666812622118,"endHours":15.057187445378823,"quality":"inauspicious"},{"name":"Udveg","start":"15:03","end":"16:33","startHours":15.057187445378823,"endHours":16.54670807813553,"quality":"inauspicious"},{"name":"Chala","start":"16:33","end":"18:02","startHours":16.54670807813553,"endHours":18.036228710892235,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:02","end":"19:33","startHours":18.036228710892235,"endHours":19.54670807813553,"quality":"inauspicious"},{"name":"Udveg","start":"19:33","end":"21:03","startHours":19.54670807813553,"endHours":21.057187445378823,"quality":"inauspicious"},{"name":"Chala","start":"21:03","end":"22:34","startHours":21.057187445378823,"endHours":22.567666812622114,"quality":"neutral"},{"name":"Labha","start":"22:34","end":"00:05","startHours":22.567666812622114,"endHours":24.07814617986541,"quality":"auspicious"},{"name":"Amṛta","start":"00:05","end":"01:35","startHours":24.07814617986541,"endHours":25.588625547108705,"quality":"auspicious"},{"name":"Kāla","start":"01:35","end":"03:06","startHours":25.588625547108705,"endHours":27.099104914351997,"quality":"inauspicious"},{"name":"Śubha","start":"03:06","end":"04:37","startHours":27.099104914351997,"endHours":28.60958428159529,"quality":"auspicious"},{"name":"Roga","start":"04:37","end":"06:07","startHours":28.60958428159529,"endHours":30.120063648838585,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:07","end":"07:07","startHours":6.120063648838586,"endHours":7.120063648838586,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:07","end":"08:07","startHours":7.120063648838586,"endHours":8.120063648838585,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:07","end":"09:07","startHours":8.120063648838585,"endHours":9.120063648838585,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:07","end":"10:07","startHours":9.120063648838585,"endHours":10.120063648838585,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:07","end":"11:07","startHours":10.120063648838585,"endHours":11.120063648838585,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:07","end":"12:07","startHours":11.120063648838585,"endHours":12.120063648838585,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:07","end":"13:07","startHours":12.120063648838585,"endHours":13.120063648838585,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:07","end":"14:07","startHours":13.120063648838585,"endHours":14.120063648838585,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:07","end":"15:07","startHours":14.120063648838585,"endHours":15.120063648838585,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:07","end":"16:07","startHours":15.120063648838585,"endHours":16.120063648838585,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:07","end":"17:07","startHours":16.120063648838585,"endHours":17.120063648838585,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:07","end":"18:07","startHours":17.120063648838585,"endHours":18.120063648838585,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:07","end":"19:07","startHours":18.120063648838585,"endHours":19.120063648838585,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:07","end":"20:07","startHours":19.120063648838585,"endHours":20.120063648838585,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:07","end":"21:07","startHours":20.120063648838585,"endHours":21.120063648838585,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:07","end":"22:07","startHours":21.120063648838585,"endHours":22.120063648838585,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:07","end":"23:07","startHours":22.120063648838585,"endHours":23.120063648838585,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:07","end":"00:07","startHours":23.120063648838585,"endHours":24.120063648838585,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:07","end":"01:07","startHours":24.120063648838585,"endHours":25.120063648838585,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:07","end":"02:07","startHours":25.120063648838585,"endHours":26.120063648838585,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:07","end":"03:07","startHours":26.120063648838585,"endHours":27.120063648838585,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:07","end":"04:07","startHours":27.120063648838585,"endHours":28.120063648838585,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:07","end":"05:07","startHours":28.120063648838585,"endHours":29.120063648838585,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:07","end":"06:07","startHours":29.120063648838585,"endHours":30.120063648838585,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"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":"West (Paścim)","chandraVasa":"North-West","rahuVasa":"South-East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-7.365159033008311,"eotMinutes":14.442429208075392,"ayanamsa":23.0118}},"calendars":{"vikram_samvat":1996,"vikram_samvatsara":"Nandana","saka_samvat":1861,"saka_samvatsara":"Pramāthi","bengali_samvat":1346,"malayalam_era":1115,"nanakshahi_year":470,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Pratipada · Vikram 1996 Nandana · Śaka 1861 Pramāthi"},"festivals":[{"id":"sharadiya-navratri-start","name":"Śāradīya Navrātri Start","name_sanskrit":"शारदीय नवरात्रि आरम्भ","tradition":"Shakta","associated_deity":"Devī Durgā","significance":"Autumn Navrātri begins; Devī Mahiṣāsura-mardinī worship for 9 nights.","vrata":true,"detection":{"tithi_number":1,"tithi_paksha":"Śukla","lunar_month":"Āśvina"},"precedence":1}],"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 13, 1939 CE · Erode, Tamil Nadu · Vidhyamitra","description":"October 13, 1939 CE for Erode, Tamil Nadu: Śukla Pratipada, sūryodaya 06:07, sūryāsta 18:02.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1939-10-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1939-10-13","sa":"https://sa.vidhyamitra.com/city/erode/1939-10-13","hi":"https://hi.vidhyamitra.com/city/erode/1939-10-13","x-default":"https://vidhyamitra.com/city/erode/1939-10-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T02:16:55.288Z","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":"2026-05-31T02:16:55.288Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T02:16:55.288Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}