{"id":"vidhyamitra:city-day:erode:1939-07-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1939-07-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1939-07-21","date_display":"July 21, 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":7,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2429465.770833,"kali_year":5041,"ahargana":1841000.2708,"sun":{"sidereal_longitude":94.0588,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":149.3164,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":55.2576,"elapsed_within_tithi_degrees":7.2576},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":149.3164,"elapsed_within_degrees":2.6497},"yoga":{"number":19,"name":"Parigha","sum_longitude":243.3752},"karana":{"half_tithi_index":9,"name":"Bālava"},"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":7,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2429465.770833,"ahargana":1841000.2708,"kali_year":5041,"ayanamsa_lahiri":23.0086,"grahas":{"sun":{"sidereal_longitude":94.38239900000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"moon":{"sidereal_longitude":152.71979899999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false,"latitude":-3.2151},"mars":{"sidereal_longitude":278.004499,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":120.32399900000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":346.322999,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":82.44199900000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":8.19569899999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":194.9461,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":14.9461,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"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":7,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2429465.770833,"kali_year":5041,"ahargana":1841000.2708,"sun":{"sidereal_longitude":94.0588,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":149.3164,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":55.2576,"elapsed_within_tithi_degrees":7.2576},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":149.3164,"elapsed_within_degrees":2.6497},"yoga":{"number":19,"name":"Parigha","sum_longitude":243.3752},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.215,"elongation":55.258},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.215,"opposition_distance":124.742}},"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":"06:04","sunsetLocal":"18:46","solarNoonLocal":"12:25","dayLengthHours":12.700401491329814,"dayLengthDisplay":"12 Hours 42 Mins 01 Secs","nightLengthDisplay":"11 Hours 17 Mins 59 Secs","moonriseLocal":"10:15","moonsetLocal":"22:22","rahuKala":{"name":"Rāhu Kāla","start":"10:50","end":"12:25","startHours":10.83213320417184,"endHours":12.419683390588066,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:36","end":"17:11","startHours":15.59478376342052,"endHours":17.182333949836746,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:39","end":"09:15","startHours":7.657032831339386,"endHours":9.244583017755613,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:02","end":"09:27","startHours":9.032909659566783,"endHours":9.456256375944443,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:36","end":"06:56","startHours":6.598666040395234,"endHours":6.937343413497363,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:00","end":"12:51","startHours":11.996336674210406,"endHours":12.843030106965726,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:23","end":"05:13","startHours":4.376095779412517,"endHours":5.2227892121678385,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:01","end":"06:04","startHours":5.011115853979008,"endHours":6.069482644923159,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:32","end":"15:23","startHours":14.536416972476369,"endHours":15.38311040523169,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:34","end":"18:58","startHours":18.569884136252973,"endHours":18.969884136252972,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:46","end":"19:18","startHours":18.769884136252973,"endHours":19.299067531725047,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:31","end":"20:16","startHours":18.519884136252973,"endHours":20.269884136252973,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:00","end":"00:51","startHours":23.996336674210404,"endHours":24.843030106965728,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:04","end":"07:39","startHours":6.069482644923159,"endHours":7.657032831339386,"quality":"neutral"},{"name":"Labha","start":"07:39","end":"09:15","startHours":7.657032831339386,"endHours":9.244583017755613,"quality":"auspicious"},{"name":"Amṛta","start":"09:15","end":"10:50","startHours":9.244583017755613,"endHours":10.83213320417184,"quality":"auspicious"},{"name":"Kāla","start":"10:50","end":"12:25","startHours":10.83213320417184,"endHours":12.419683390588066,"quality":"inauspicious"},{"name":"Śubha","start":"12:25","end":"14:00","startHours":12.419683390588066,"endHours":14.007233577004293,"quality":"auspicious"},{"name":"Roga","start":"14:00","end":"15:36","startHours":14.007233577004293,"endHours":15.59478376342052,"quality":"inauspicious"},{"name":"Udveg","start":"15:36","end":"17:11","startHours":15.59478376342052,"endHours":17.182333949836746,"quality":"inauspicious"},{"name":"Chala","start":"17:11","end":"18:46","startHours":17.182333949836746,"endHours":18.769884136252973,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:46","end":"20:11","startHours":18.769884136252973,"endHours":20.182333949836746,"quality":"inauspicious"},{"name":"Udveg","start":"20:11","end":"21:36","startHours":20.182333949836746,"endHours":21.59478376342052,"quality":"inauspicious"},{"name":"Chala","start":"21:36","end":"23:00","startHours":21.59478376342052,"endHours":23.007233577004293,"quality":"neutral"},{"name":"Labha","start":"23:00","end":"00:25","startHours":23.007233577004293,"endHours":24.419683390588066,"quality":"auspicious"},{"name":"Amṛta","start":"00:25","end":"01:50","startHours":24.419683390588066,"endHours":25.83213320417184,"quality":"auspicious"},{"name":"Kāla","start":"01:50","end":"03:15","startHours":25.83213320417184,"endHours":27.244583017755613,"quality":"inauspicious"},{"name":"Śubha","start":"03:15","end":"04:39","startHours":27.244583017755613,"endHours":28.657032831339386,"quality":"auspicious"},{"name":"Roga","start":"04:39","end":"06:04","startHours":28.657032831339386,"endHours":30.06948264492316,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:04","end":"07:04","startHours":6.069482644923159,"endHours":7.069482644923159,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:04","end":"08:04","startHours":7.069482644923159,"endHours":8.06948264492316,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:04","end":"09:04","startHours":8.06948264492316,"endHours":9.06948264492316,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:04","end":"10:04","startHours":9.06948264492316,"endHours":10.06948264492316,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:04","end":"11:04","startHours":10.06948264492316,"endHours":11.06948264492316,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:04","end":"12:04","startHours":11.06948264492316,"endHours":12.06948264492316,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:04","end":"13:04","startHours":12.06948264492316,"endHours":13.06948264492316,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:04","end":"14:04","startHours":13.06948264492316,"endHours":14.06948264492316,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:04","end":"15:04","startHours":14.06948264492316,"endHours":15.06948264492316,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:04","end":"16:04","startHours":15.06948264492316,"endHours":16.06948264492316,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:04","end":"17:04","startHours":16.06948264492316,"endHours":17.06948264492316,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:04","end":"18:04","startHours":17.06948264492316,"endHours":18.06948264492316,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:04","end":"19:04","startHours":18.06948264492316,"endHours":19.06948264492316,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:04","end":"20:04","startHours":19.06948264492316,"endHours":20.06948264492316,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:04","end":"21:04","startHours":20.06948264492316,"endHours":21.06948264492316,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:04","end":"22:04","startHours":21.06948264492316,"endHours":22.06948264492316,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:04","end":"23:04","startHours":22.06948264492316,"endHours":23.06948264492316,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:04","end":"00:04","startHours":23.06948264492316,"endHours":24.06948264492316,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:04","end":"01:04","startHours":24.06948264492316,"endHours":25.06948264492316,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:04","end":"02:04","startHours":25.06948264492316,"endHours":26.06948264492316,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:04","end":"03:04","startHours":26.06948264492316,"endHours":27.06948264492316,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:04","end":"04:04","startHours":27.06948264492316,"endHours":28.06948264492316,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:04","end":"05:04","startHours":28.06948264492316,"endHours":29.06948264492316,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:04","end":"06:04","startHours":29.06948264492316,"endHours":30.06948264492316,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"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":"Prajāpati","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":20.67959933457842,"eotMinutes":-6.049803435283957,"ayanamsa":23.0086}},"calendars":{"vikram_samvat":1996,"vikram_samvatsara":"Nandana","saka_samvat":1861,"saka_samvatsara":"Pramāthi","bengali_samvat":1346,"malayalam_era":1115,"nanakshahi_year":470,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa (Adhika) Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":true,"lunar_month_purnimanta_is_adhika":true,"lunar_month_amanta_is_adhika":true,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa (Adhika) Śukla Pañcamī · Vikram 1996 Nandana · Śaka 1861 Pramāthi"},"festivals":[],"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 July 21, 1939 CE · Erode, Tamil Nadu · Vidhyamitra","description":"July 21, 1939 CE for Erode, Tamil Nadu: Śukla Pañcamī, sūryodaya 06:04, sūryāsta 18:46.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1939-07-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1939-07-21","sa":"https://sa.vidhyamitra.com/city/erode/1939-07-21","hi":"https://hi.vidhyamitra.com/city/erode/1939-07-21","x-default":"https://vidhyamitra.com/city/erode/1939-07-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T15:13:10.135Z","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":"2026-05-31T15:13:10.135Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T15:13:10.135Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}