{"id":"vidhyamitra:city-day:erode:1921-03-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1921-03-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1921-03-20","date_display":"March 20, 1921 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":1921,"month":3,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2422768.770833,"kali_year":5022,"ahargana":1834303.2708,"sun":{"sidereal_longitude":336.5034,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":107.1958,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":130.6924,"elapsed_within_tithi_degrees":10.6924},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1,"moon_longitude":107.1958,"elapsed_within_degrees":0.5292},"yoga":{"number":7,"name":"Sukarma","sum_longitude":83.6992},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"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":1921,"month":3,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2422768.770833,"ahargana":1834303.2708,"kali_year":5022,"ayanamsa_lahiri":22.7524,"grahas":{"sun":{"sidereal_longitude":336.14267399999994,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":104.584674,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false,"latitude":-4.4623},"mars":{"sidereal_longitude":4.456674000000021,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":312.51817400000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":139.88777399999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":true},"venus":{"sidereal_longitude":15.902273999999977,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":true},"saturn":{"sidereal_longitude":148.50307399999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":189.7854,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":9.7854,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","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":1921,"month":3,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2422768.770833,"kali_year":5022,"ahargana":1834303.2708,"sun":{"sidereal_longitude":336.5034,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":107.1958,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":130.6924,"elapsed_within_tithi_degrees":10.6924},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1,"moon_longitude":107.1958,"elapsed_within_degrees":0.5292},"yoga":{"number":7,"name":"Sukarma","sum_longitude":83.6992},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.462,"elongation":130.692},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.462,"opposition_distance":49.308}},"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":"06:24","sunsetLocal":"18:30","solarNoonLocal":"12:27","dayLengthHours":12.101529122451403,"dayLengthDisplay":"12 Hours 06 Mins 06 Secs","nightLengthDisplay":"11 Hours 53 Mins 54 Secs","moonriseLocal":"14:43","moonsetLocal":"03:19","rahuKala":{"name":"Rāhu Kāla","start":"17:00","end":"18:30","startHours":16.992809841963854,"endHours":18.50550098227028,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:27","end":"13:58","startHours":12.45473642104458,"endHours":13.967427561351004,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:29","end":"17:00","startHours":15.480118701657428,"endHours":16.992809841963854,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:14","end":"09:38","startHours":9.22766198839087,"endHours":9.631046292472584,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:54","end":"07:14","startHours":6.908202239921018,"endHours":7.230909683186389,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:03","end":"12:51","startHours":12.051352116962866,"endHours":12.858120725126293,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:47","end":"05:36","startHours":4.7904346434920235,"endHours":5.59720325165545,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:24","end":"06:24","startHours":5.395511099614593,"endHours":6.403971859818877,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:17","startHours":14.471657941453145,"endHours":15.278426549616572,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:18","end":"18:42","startHours":18.30550098227028,"endHours":18.70550098227028,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:30","end":"19:01","startHours":18.50550098227028,"endHours":19.009731362372424,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:15","end":"20:00","startHours":18.25550098227028,"endHours":20.00550098227028,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:03","end":"00:51","startHours":24.051352116962867,"endHours":24.85812072512629,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:24","end":"07:55","startHours":6.403971859818877,"endHours":7.916663000125302,"quality":"inauspicious"},{"name":"Chala","start":"07:55","end":"09:26","startHours":7.916663000125302,"endHours":9.429354140431727,"quality":"neutral"},{"name":"Labha","start":"09:26","end":"10:57","startHours":9.429354140431727,"endHours":10.942045280738153,"quality":"auspicious"},{"name":"Amṛta","start":"10:57","end":"12:27","startHours":10.942045280738153,"endHours":12.45473642104458,"quality":"auspicious"},{"name":"Kāla","start":"12:27","end":"13:58","startHours":12.45473642104458,"endHours":13.967427561351004,"quality":"inauspicious"},{"name":"Śubha","start":"13:58","end":"15:29","startHours":13.967427561351004,"endHours":15.480118701657428,"quality":"auspicious"},{"name":"Roga","start":"15:29","end":"17:00","startHours":15.480118701657428,"endHours":16.992809841963854,"quality":"inauspicious"},{"name":"Udveg","start":"17:00","end":"18:30","startHours":16.992809841963854,"endHours":18.50550098227028,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:30","end":"20:00","startHours":18.50550098227028,"endHours":19.992809841963854,"quality":"auspicious"},{"name":"Roga","start":"20:00","end":"21:29","startHours":19.992809841963854,"endHours":21.48011870165743,"quality":"inauspicious"},{"name":"Udveg","start":"21:29","end":"22:58","startHours":21.48011870165743,"endHours":22.967427561351005,"quality":"inauspicious"},{"name":"Chala","start":"22:58","end":"00:27","startHours":22.967427561351005,"endHours":24.45473642104458,"quality":"neutral"},{"name":"Labha","start":"00:27","end":"01:57","startHours":24.45473642104458,"endHours":25.942045280738153,"quality":"auspicious"},{"name":"Amṛta","start":"01:57","end":"03:26","startHours":25.942045280738153,"endHours":27.429354140431727,"quality":"auspicious"},{"name":"Kāla","start":"03:26","end":"04:55","startHours":27.429354140431727,"endHours":28.916663000125304,"quality":"inauspicious"},{"name":"Śubha","start":"04:55","end":"06:24","startHours":28.916663000125304,"endHours":30.403971859818878,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:24","end":"07:24","startHours":6.403971859818877,"endHours":7.403971859818877,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:24","end":"08:24","startHours":7.403971859818877,"endHours":8.403971859818878,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:24","end":"09:24","startHours":8.403971859818878,"endHours":9.403971859818878,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:24","end":"10:24","startHours":9.403971859818878,"endHours":10.403971859818878,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:24","end":"11:24","startHours":10.403971859818878,"endHours":11.403971859818878,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:24","end":"12:24","startHours":11.403971859818878,"endHours":12.403971859818878,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:24","end":"13:24","startHours":12.403971859818878,"endHours":13.403971859818878,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:24","end":"14:24","startHours":13.403971859818878,"endHours":14.403971859818878,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:24","end":"15:24","startHours":14.403971859818878,"endHours":15.403971859818878,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:24","end":"16:24","startHours":15.403971859818878,"endHours":16.403971859818878,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:24","end":"17:24","startHours":16.403971859818878,"endHours":17.403971859818878,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:24","end":"18:24","startHours":17.403971859818878,"endHours":18.403971859818878,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:24","end":"19:24","startHours":18.403971859818878,"endHours":19.403971859818878,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:24","end":"20:24","startHours":19.403971859818878,"endHours":20.403971859818878,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:24","end":"21:24","startHours":20.403971859818878,"endHours":21.403971859818878,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:24","end":"22:24","startHours":21.403971859818878,"endHours":22.403971859818878,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:24","end":"23:24","startHours":22.403971859818878,"endHours":23.403971859818878,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:24","end":"00:24","startHours":23.403971859818878,"endHours":24.403971859818878,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:24","end":"01:24","startHours":24.403971859818878,"endHours":25.403971859818878,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:24","end":"02:24","startHours":25.403971859818878,"endHours":26.403971859818878,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:24","end":"03:24","startHours":26.403971859818878,"endHours":27.403971859818878,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:24","end":"04:24","startHours":27.403971859818878,"endHours":28.403971859818878,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:24","end":"05:24","startHours":28.403971859818878,"endHours":29.403971859818878,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:24","end":"06:24","startHours":29.403971859818878,"endHours":30.403971859818878,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-0.439442007018674,"eotMinutes":-8.152985262674756,"ayanamsa":22.7524}},"calendars":{"vikram_samvat":1978,"vikram_samvatsara":"Bhāva","saka_samvat":1843,"saka_samvatsara":"Durmati","bengali_samvat":1328,"malayalam_era":1097,"nanakshahi_year":452,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Phālguna","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Ekādaśī · Vikram 1978 Bhāva · Śaka 1843 Durmati"},"festivals":[{"id":"amalaki-ekadashi","name":"Āmalakī Ekādaśī","name_sanskrit":"आमलकी एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu (in Āmalakī tree)","significance":"Worship of Āmalakī (Indian gooseberry, sacred to Viṣṇu).","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Phālguna"},"precedence":4},{"id":"rangbhari-ekadashi","name":"Raṅgbhari Ekādaśī","name_sanskrit":"रङ्गभरी एकादशी","tradition":"Shaiva","associated_deity":"Śiva-Pārvatī","significance":"Kāśī tradition: Śiva brings Pārvatī home; rang-utsava begins.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Phālguna"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"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 March 20, 1921 CE · Erode, Tamil Nadu · Vidhyamitra","description":"March 20, 1921 CE for Erode, Tamil Nadu: Śukla Ekādaśī, sūryodaya 06:24, sūryāsta 18:30.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1921-03-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1921-03-20","sa":"https://sa.vidhyamitra.com/city/erode/1921-03-20","hi":"https://hi.vidhyamitra.com/city/erode/1921-03-20","x-default":"https://vidhyamitra.com/city/erode/1921-03-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T09:02:54.073Z","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":"2026-06-02T09:02:54.073Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T09:02:54.073Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}