{"id":"vidhyamitra:city-day:erode:1939-05-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1939-05-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1939-05-21","date_display":"May 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":5,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2429404.770833,"kali_year":5041,"ahargana":1840939.2708,"sun":{"sidereal_longitude":36.1815,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":59.1107,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":22.9292,"elapsed_within_tithi_degrees":10.9292},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2,"moon_longitude":59.1107,"elapsed_within_degrees":5.7773},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":95.2921},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2429404.770833,"ahargana":1840939.2708,"kali_year":5041,"ayanamsa_lahiri":23.0062,"grahas":{"sun":{"sidereal_longitude":36.09332999999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":60.27283,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false,"latitude":-2.9465},"mars":{"sidereal_longitude":276.52172999999993,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":18.22712999999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":339.45603,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":8.40983,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":3.216229999999996,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":198.1782,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":18.1782,"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":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2429404.770833,"kali_year":5041,"ahargana":1840939.2708,"sun":{"sidereal_longitude":36.1815,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":59.1107,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":22.9292,"elapsed_within_tithi_degrees":10.9292},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2,"moon_longitude":59.1107,"elapsed_within_degrees":5.7773},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":95.2921},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.947,"elongation":22.929},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.947,"opposition_distance":157.071}},"eclipse_window_40days":[{"offset_days":-2,"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":"05:55","sunsetLocal":"18:36","solarNoonLocal":"12:16","dayLengthHours":12.67770320945801,"dayLengthDisplay":"12 Hours 40 Mins 40 Secs","nightLengthDisplay":"11 Hours 19 Mins 20 Secs","moonriseLocal":"07:30","moonsetLocal":"20:15","rahuKala":{"name":"Rāhu Kāla","start":"17:01","end":"18:36","startHours":17.014001740505453,"endHours":18.598714641687703,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:16","end":"13:51","startHours":12.259863036958699,"endHours":13.844575938140949,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:26","end":"17:01","startHours":15.4292888393232,"endHours":17.014001740505453,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:18","startHours":8.87914218110323,"endHours":9.301732288085162,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:27","end":"06:47","startHours":6.449249065957111,"endHours":6.787321151542658,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:41","startHours":11.837272929976765,"endHours":12.682453143940633,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:14","end":"05:05","startHours":4.23065100430196,"endHours":5.075831218265827,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:52","end":"05:55","startHours":4.86453616477486,"endHours":5.921011432229694,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:22","end":"15:13","startHours":14.372813571868367,"endHours":15.217993785832235,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:24","end":"18:48","startHours":18.398714641687704,"endHours":18.798714641687702,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:36","end":"19:08","startHours":18.598714641687703,"endHours":19.12695227541512,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:21","end":"20:06","startHours":18.348714641687703,"endHours":20.098714641687703,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:41","startHours":23.837272929976766,"endHours":24.68245314394063,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:55","end":"07:30","startHours":5.921011432229694,"endHours":7.505724333411945,"quality":"inauspicious"},{"name":"Chala","start":"07:30","end":"09:05","startHours":7.505724333411945,"endHours":9.090437234594196,"quality":"neutral"},{"name":"Labha","start":"09:05","end":"10:41","startHours":9.090437234594196,"endHours":10.675150135776448,"quality":"auspicious"},{"name":"Amṛta","start":"10:41","end":"12:16","startHours":10.675150135776448,"endHours":12.259863036958699,"quality":"auspicious"},{"name":"Kāla","start":"12:16","end":"13:51","startHours":12.259863036958699,"endHours":13.844575938140949,"quality":"inauspicious"},{"name":"Śubha","start":"13:51","end":"15:26","startHours":13.844575938140949,"endHours":15.4292888393232,"quality":"auspicious"},{"name":"Roga","start":"15:26","end":"17:01","startHours":15.4292888393232,"endHours":17.014001740505453,"quality":"inauspicious"},{"name":"Udveg","start":"17:01","end":"18:36","startHours":17.014001740505453,"endHours":18.598714641687703,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:36","end":"20:01","startHours":18.598714641687703,"endHours":20.014001740505453,"quality":"auspicious"},{"name":"Roga","start":"20:01","end":"21:26","startHours":20.014001740505453,"endHours":21.4292888393232,"quality":"inauspicious"},{"name":"Udveg","start":"21:26","end":"22:51","startHours":21.4292888393232,"endHours":22.84457593814095,"quality":"inauspicious"},{"name":"Chala","start":"22:51","end":"00:16","startHours":22.84457593814095,"endHours":24.2598630369587,"quality":"neutral"},{"name":"Labha","start":"00:16","end":"01:41","startHours":24.2598630369587,"endHours":25.675150135776448,"quality":"auspicious"},{"name":"Amṛta","start":"01:41","end":"03:05","startHours":25.675150135776448,"endHours":27.090437234594198,"quality":"auspicious"},{"name":"Kāla","start":"03:05","end":"04:30","startHours":27.090437234594198,"endHours":28.505724333411944,"quality":"inauspicious"},{"name":"Śubha","start":"04:30","end":"05:55","startHours":28.505724333411944,"endHours":29.921011432229694,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:55","end":"06:55","startHours":5.921011432229694,"endHours":6.921011432229694,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:55","end":"07:55","startHours":6.921011432229694,"endHours":7.921011432229694,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:55","end":"08:55","startHours":7.921011432229694,"endHours":8.921011432229694,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:55","end":"09:55","startHours":8.921011432229694,"endHours":9.921011432229694,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:55","end":"10:55","startHours":9.921011432229694,"endHours":10.921011432229694,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:55","end":"11:55","startHours":10.921011432229694,"endHours":11.921011432229694,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:55","end":"12:55","startHours":11.921011432229694,"endHours":12.921011432229694,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:55","end":"13:55","startHours":12.921011432229694,"endHours":13.921011432229694,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:55","end":"14:55","startHours":13.921011432229694,"endHours":14.921011432229694,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:55","end":"15:55","startHours":14.921011432229694,"endHours":15.921011432229694,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:55","end":"16:55","startHours":15.921011432229694,"endHours":16.921011432229694,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:55","end":"17:55","startHours":16.921011432229694,"endHours":17.921011432229694,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:55","end":"18:55","startHours":17.921011432229694,"endHours":18.921011432229694,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:55","end":"19:55","startHours":18.921011432229694,"endHours":19.921011432229694,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:55","end":"20:55","startHours":19.921011432229694,"endHours":20.921011432229694,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:55","end":"21:55","startHours":20.921011432229694,"endHours":21.921011432229694,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:55","end":"22:55","startHours":21.921011432229694,"endHours":22.921011432229694,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:55","end":"23:55","startHours":22.921011432229694,"endHours":23.921011432229694,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:55","end":"00:55","startHours":23.921011432229694,"endHours":24.921011432229694,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:55","end":"01:55","startHours":24.921011432229694,"endHours":25.921011432229694,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:55","end":"02:55","startHours":25.921011432229694,"endHours":26.921011432229694,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:55","end":"03:55","startHours":26.921011432229694,"endHours":27.921011432229694,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:55","end":"04:55","startHours":27.921011432229694,"endHours":28.921011432229694,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:55","end":"05:55","startHours":28.921011432229694,"endHours":29.921011432229694,"planetary_lord":"Jupiter"}],"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":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Saumya","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":19.954791912616358,"eotMinutes":3.539417782478063,"ayanamsa":23.0062}},"calendars":{"vikram_samvat":1996,"vikram_samvatsara":"Nandana","saka_samvat":1861,"saka_samvatsara":"Pramāthi","bengali_samvat":1346,"malayalam_era":1115,"nanakshahi_year":470,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Jyeṣṭha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Dvitīyā · Vikram 1996 Nandana · Śaka 1861 Pramāthi"},"festivals":[],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 21, 1939 CE · Erode, Tamil Nadu · Vidhyamitra","description":"May 21, 1939 CE for Erode, Tamil Nadu: Śukla Dvitīyā, sūryodaya 05:55, sūryāsta 18:36.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1939-05-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1939-05-21","sa":"https://sa.vidhyamitra.com/city/erode/1939-05-21","hi":"https://hi.vidhyamitra.com/city/erode/1939-05-21","x-default":"https://vidhyamitra.com/city/erode/1939-05-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T06:13:52.223Z","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":"2026-06-02T06:13:52.223Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T06:13:52.223Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}