{"id":"vidhyamitra:city-day:erode:1950-04-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1950-04-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1950-04-21","date_display":"April 21, 1950 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":1950,"month":4,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2433392.770833,"kali_year":5052,"ahargana":1844927.2708,"sun":{"sidereal_longitude":7.4365,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":51.1064,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":43.67,"elapsed_within_tithi_degrees":7.67},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4,"moon_longitude":51.1064,"elapsed_within_degrees":11.1064},"yoga":{"number":5,"name":"Śobhana","sum_longitude":58.5429},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"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":1950,"month":4,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2433392.770833,"ahargana":1844927.2708,"kali_year":5052,"ayanamsa_lahiri":23.1587,"grahas":{"sun":{"sidereal_longitude":7.21485899999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":47.210658999999964,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false,"latitude":4.0517},"mars":{"sidereal_longitude":150.47645899999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":true},"mercury":{"sidereal_longitude":27.88405899999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":308.86655900000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":321.845859,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":140.24645899999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":346.8748,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":166.8748,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","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":1950,"month":4,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2433392.770833,"kali_year":5052,"ahargana":1844927.2708,"sun":{"sidereal_longitude":7.4365,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":51.1064,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":43.67,"elapsed_within_tithi_degrees":7.67},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4,"moon_longitude":51.1064,"elapsed_within_degrees":11.1064},"yoga":{"number":5,"name":"Śobhana","sum_longitude":58.5429},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.052,"elongation":43.67},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.052,"opposition_distance":136.33}},"eclipse_window_40days":[{"offset_days":-18,"type":"lunar","occurs":true,"moon_latitude":-0.259,"opposition_distance":1.295},{"offset_days":-4,"type":"solar","occurs":true,"moon_latitude":1.098,"elongation":2.321}]},"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":"06:05","sunsetLocal":"18:31","solarNoonLocal":"12:18","dayLengthHours":12.430428031645988,"dayLengthDisplay":"12 Hours 25 Mins 50 Secs","nightLengthDisplay":"11 Hours 34 Mins 10 Secs","moonriseLocal":"08:37","moonsetLocal":"21:19","rahuKala":{"name":"Rāhu Kāla","start":"10:45","end":"12:18","startHours":10.745261015358214,"endHours":12.299064519313962,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:24","end":"16:58","startHours":15.406671527225459,"endHours":16.960475031181208,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:38","end":"09:11","startHours":7.637654007446716,"endHours":9.191457511402465,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:59","end":"09:24","startHours":8.984283710875031,"endHours":9.398631311929897,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:36","end":"06:56","startHours":6.60178500480955,"endHours":6.933263085653443,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:43","startHours":11.884716918259096,"endHours":12.713412120368828,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:26","end":"05:15","startHours":4.426460099271502,"endHours":5.255155301381235,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:03","end":"06:05","startHours":5.047981500853801,"endHours":6.083850503490967,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:22","end":"15:12","startHours":14.370802524588292,"endHours":15.199497726698025,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:19","end":"18:43","startHours":18.314278535136957,"endHours":18.714278535136955,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:31","end":"19:02","startHours":18.514278535136956,"endHours":19.032213036455538,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:16","end":"20:01","startHours":18.264278535136956,"endHours":20.014278535136956,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:43","startHours":23.884716918259095,"endHours":24.71341212036883,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:05","end":"07:38","startHours":6.083850503490967,"endHours":7.637654007446716,"quality":"neutral"},{"name":"Labha","start":"07:38","end":"09:11","startHours":7.637654007446716,"endHours":9.191457511402465,"quality":"auspicious"},{"name":"Amṛta","start":"09:11","end":"10:45","startHours":9.191457511402465,"endHours":10.745261015358214,"quality":"auspicious"},{"name":"Kāla","start":"10:45","end":"12:18","startHours":10.745261015358214,"endHours":12.299064519313962,"quality":"inauspicious"},{"name":"Śubha","start":"12:18","end":"13:51","startHours":12.299064519313962,"endHours":13.85286802326971,"quality":"auspicious"},{"name":"Roga","start":"13:51","end":"15:24","startHours":13.85286802326971,"endHours":15.406671527225459,"quality":"inauspicious"},{"name":"Udveg","start":"15:24","end":"16:58","startHours":15.406671527225459,"endHours":16.960475031181208,"quality":"inauspicious"},{"name":"Chala","start":"16:58","end":"18:31","startHours":16.960475031181208,"endHours":18.514278535136956,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:31","end":"19:58","startHours":18.514278535136956,"endHours":19.960475031181208,"quality":"inauspicious"},{"name":"Udveg","start":"19:58","end":"21:24","startHours":19.960475031181208,"endHours":21.40667152722546,"quality":"inauspicious"},{"name":"Chala","start":"21:24","end":"22:51","startHours":21.40667152722546,"endHours":22.85286802326971,"quality":"neutral"},{"name":"Labha","start":"22:51","end":"00:18","startHours":22.85286802326971,"endHours":24.299064519313962,"quality":"auspicious"},{"name":"Amṛta","start":"00:18","end":"01:45","startHours":24.299064519313962,"endHours":25.745261015358214,"quality":"auspicious"},{"name":"Kāla","start":"01:45","end":"03:11","startHours":25.745261015358214,"endHours":27.191457511402465,"quality":"inauspicious"},{"name":"Śubha","start":"03:11","end":"04:38","startHours":27.191457511402465,"endHours":28.637654007446717,"quality":"auspicious"},{"name":"Roga","start":"04:38","end":"06:05","startHours":28.637654007446717,"endHours":30.083850503490968,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:05","end":"07:05","startHours":6.083850503490967,"endHours":7.083850503490967,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:05","end":"08:05","startHours":7.083850503490967,"endHours":8.083850503490968,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:05","end":"09:05","startHours":8.083850503490968,"endHours":9.083850503490968,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:05","end":"10:05","startHours":9.083850503490968,"endHours":10.083850503490968,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:05","end":"11:05","startHours":10.083850503490968,"endHours":11.083850503490968,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:05","end":"12:05","startHours":11.083850503490968,"endHours":12.083850503490968,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:05","end":"13:05","startHours":12.083850503490968,"endHours":13.083850503490968,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:05","end":"14:05","startHours":13.083850503490968,"endHours":14.083850503490968,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:05","end":"15:05","startHours":14.083850503490968,"endHours":15.083850503490968,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:05","end":"16:05","startHours":15.083850503490968,"endHours":16.083850503490968,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:05","end":"17:05","startHours":16.083850503490968,"endHours":17.083850503490968,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:05","end":"18:05","startHours":17.083850503490968,"endHours":18.083850503490968,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:05","end":"19:05","startHours":18.083850503490968,"endHours":19.083850503490968,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:05","end":"20:05","startHours":19.083850503490968,"endHours":20.083850503490968,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:05","end":"21:05","startHours":20.083850503490968,"endHours":21.083850503490968,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:05","end":"22:05","startHours":21.083850503490968,"endHours":22.083850503490968,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:05","end":"23:05","startHours":22.083850503490968,"endHours":23.083850503490968,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:05","end":"00:05","startHours":23.083850503490968,"endHours":24.083850503490968,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:05","end":"01:05","startHours":24.083850503490968,"endHours":25.083850503490968,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:05","end":"02:05","startHours":25.083850503490968,"endHours":26.083850503490968,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:05","end":"03:05","startHours":26.083850503490968,"endHours":27.083850503490968,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:05","end":"04:05","startHours":27.083850503490968,"endHours":28.083850503490968,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:05","end":"05:05","startHours":28.083850503490968,"endHours":29.083850503490968,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:05","end":"06:05","startHours":29.083850503490968,"endHours":30.083850503490968,"planetary_lord":"Mars"}],"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":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":11.60174304587382,"eotMinutes":1.1873288411622274,"ayanamsa":23.1587}},"calendars":{"vikram_samvat":2007,"vikram_samvatsara":"Śobhana","saka_samvat":1872,"saka_samvatsara":"Vikṛti","bengali_samvat":1357,"malayalam_era":1126,"nanakshahi_year":481,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Caturthī · Vikram 2007 Śobhana · Śaka 1872 Vikṛti"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"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":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","relevance":0.5}]},"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 April 21, 1950 CE · Erode, Tamil Nadu · Vidhyamitra","description":"April 21, 1950 CE for Erode, Tamil Nadu: Śukla Caturthī, sūryodaya 06:05, sūryāsta 18:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1950-04-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1950-04-21","sa":"https://sa.vidhyamitra.com/city/erode/1950-04-21","hi":"https://hi.vidhyamitra.com/city/erode/1950-04-21","x-default":"https://vidhyamitra.com/city/erode/1950-04-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T05:01:41.663Z","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":"2026-06-02T05:01:41.663Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T05:01:41.663Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}