{"id":"vidhyamitra:city-day:erode:1950-12-22:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1950-12-22","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1950-12-22","date_display":"December 22, 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":12,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2433637.770833,"kali_year":5052,"ahargana":1845172.2708,"sun":{"sidereal_longitude":246.2461,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":39.097,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":152.8509,"elapsed_within_tithi_degrees":8.8509},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4,"moon_longitude":39.097,"elapsed_within_degrees":12.4303},"yoga":{"number":22,"name":"Sādhya","sum_longitude":285.3431},"karana":{"half_tithi_index":25,"name":"Taitila"},"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":12,"day":22,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2433637.770833,"ahargana":1845172.2708,"kali_year":5052,"ayanamsa_lahiri":23.1681,"grahas":{"sun":{"sidereal_longitude":246.45259800000008,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"moon":{"sidereal_longitude":40.358698000000004,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false,"latitude":4.0844},"mars":{"sidereal_longitude":282.73129800000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":265.602798,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":310.621798,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":256.397098,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":159.07439799999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":333.8935,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":153.8935,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","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":12,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2433637.770833,"kali_year":5052,"ahargana":1845172.2708,"sun":{"sidereal_longitude":246.2461,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":39.097,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":152.8509,"elapsed_within_tithi_degrees":8.8509},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4,"moon_longitude":39.097,"elapsed_within_degrees":12.4303},"yoga":{"number":22,"name":"Sādhya","sum_longitude":285.3431},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.084,"elongation":152.851},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.084,"opposition_distance":27.149}},"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":"06:34","sunsetLocal":"18:02","solarNoonLocal":"12:18","dayLengthHours":11.458824476422286,"dayLengthDisplay":"11 Hours 27 Mins 32 Secs","nightLengthDisplay":"12 Hours 32 Mins 28 Secs","moonriseLocal":"16:14","moonsetLocal":"04:54","rahuKala":{"name":"Rāhu Kāla","start":"10:52","end":"12:18","startHours":10.87128348878854,"endHours":12.303636548341327,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:10","end":"16:36","startHours":15.168342667446897,"endHours":16.600695726999685,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:00","end":"09:26","startHours":8.006577369682969,"endHours":9.438930429235754,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:15","end":"09:38","startHours":9.247950021295383,"endHours":9.629910837176126,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:03","end":"07:21","startHours":7.051675329981111,"endHours":7.357243982685706,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:55","end":"12:41","startHours":11.921675732460583,"endHours":12.68559736422207,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:03","end":"05:49","startHours":5.046381046607212,"endHours":5.810302678368697,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:37","end":"06:34","startHours":5.619322270428325,"endHours":6.574224310130183,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:13","end":"14:59","startHours":14.21344062774504,"endHours":14.977362259506526,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:50","end":"18:14","startHours":17.83304878655247,"endHours":18.23304878655247,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:02","end":"18:31","startHours":18.03304878655247,"endHours":18.5104998064034,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:47","end":"19:32","startHours":17.78304878655247,"endHours":19.53304878655247,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:55","end":"00:41","startHours":23.921675732460585,"endHours":24.68559736422207,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:34","end":"08:00","startHours":6.574224310130183,"endHours":8.006577369682969,"quality":"neutral"},{"name":"Labha","start":"08:00","end":"09:26","startHours":8.006577369682969,"endHours":9.438930429235754,"quality":"auspicious"},{"name":"Amṛta","start":"09:26","end":"10:52","startHours":9.438930429235754,"endHours":10.87128348878854,"quality":"auspicious"},{"name":"Kāla","start":"10:52","end":"12:18","startHours":10.87128348878854,"endHours":12.303636548341327,"quality":"inauspicious"},{"name":"Śubha","start":"12:18","end":"13:44","startHours":12.303636548341327,"endHours":13.735989607894112,"quality":"auspicious"},{"name":"Roga","start":"13:44","end":"15:10","startHours":13.735989607894112,"endHours":15.168342667446897,"quality":"inauspicious"},{"name":"Udveg","start":"15:10","end":"16:36","startHours":15.168342667446897,"endHours":16.600695726999685,"quality":"inauspicious"},{"name":"Chala","start":"16:36","end":"18:02","startHours":16.600695726999685,"endHours":18.03304878655247,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:02","end":"19:36","startHours":18.03304878655247,"endHours":19.600695726999685,"quality":"inauspicious"},{"name":"Udveg","start":"19:36","end":"21:10","startHours":19.600695726999685,"endHours":21.1683426674469,"quality":"inauspicious"},{"name":"Chala","start":"21:10","end":"22:44","startHours":21.1683426674469,"endHours":22.735989607894112,"quality":"neutral"},{"name":"Labha","start":"22:44","end":"00:18","startHours":22.735989607894112,"endHours":24.303636548341327,"quality":"auspicious"},{"name":"Amṛta","start":"00:18","end":"01:52","startHours":24.303636548341327,"endHours":25.871283488788542,"quality":"auspicious"},{"name":"Kāla","start":"01:52","end":"03:26","startHours":25.871283488788542,"endHours":27.438930429235754,"quality":"inauspicious"},{"name":"Śubha","start":"03:26","end":"05:00","startHours":27.438930429235754,"endHours":29.00657736968297,"quality":"auspicious"},{"name":"Roga","start":"05:00","end":"06:34","startHours":29.00657736968297,"endHours":30.574224310130184,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:34","end":"07:34","startHours":6.574224310130183,"endHours":7.574224310130183,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:34","end":"08:34","startHours":7.574224310130183,"endHours":8.574224310130184,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:34","end":"09:34","startHours":8.574224310130184,"endHours":9.574224310130184,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:34","end":"10:34","startHours":9.574224310130184,"endHours":10.574224310130184,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:34","end":"11:34","startHours":10.574224310130184,"endHours":11.574224310130184,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:34","end":"12:34","startHours":11.574224310130184,"endHours":12.574224310130184,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:34","end":"13:34","startHours":12.574224310130184,"endHours":13.574224310130184,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:34","end":"14:34","startHours":13.574224310130184,"endHours":14.574224310130184,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:34","end":"15:34","startHours":14.574224310130184,"endHours":15.574224310130184,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:34","end":"16:34","startHours":15.574224310130184,"endHours":16.574224310130184,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:34","end":"17:34","startHours":16.574224310130184,"endHours":17.574224310130184,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:34","end":"18:34","startHours":17.574224310130184,"endHours":18.574224310130184,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:34","end":"19:34","startHours":18.574224310130184,"endHours":19.574224310130184,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:34","end":"20:34","startHours":19.574224310130184,"endHours":20.574224310130184,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:34","end":"21:34","startHours":20.574224310130184,"endHours":21.574224310130184,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:34","end":"22:34","startHours":21.574224310130184,"endHours":22.574224310130184,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:34","end":"23:34","startHours":22.574224310130184,"endHours":23.574224310130184,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:34","end":"00:34","startHours":23.574224310130184,"endHours":24.574224310130184,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:34","end":"01:34","startHours":24.574224310130184,"endHours":25.574224310130184,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:34","end":"02:34","startHours":25.574224310130184,"endHours":26.574224310130184,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:34","end":"03:34","startHours":26.574224310130184,"endHours":27.574224310130184,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:34","end":"04:34","startHours":27.574224310130184,"endHours":28.574224310130184,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:34","end":"05:34","startHours":28.574224310130184,"endHours":29.574224310130184,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:34","end":"06:34","startHours":29.574224310130184,"endHours":30.574224310130184,"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":["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":"Gada","quality":"Inauspicious"},"drikRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-23.435955748742806,"eotMinutes":0.9130070995203906,"ayanamsa":23.1681}},"calendars":{"vikram_samvat":2007,"vikram_samvatsara":"Śobhana","saka_samvat":1872,"saka_samvatsara":"Vikṛti","bengali_samvat":1357,"malayalam_era":1126,"nanakshahi_year":481,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Trayodaśī · Vikram 2007 Śobhana · Śaka 1872 Vikṛti"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":5},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","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 December 22, 1950 CE · Erode, Tamil Nadu · Vidhyamitra","description":"December 22, 1950 CE for Erode, Tamil Nadu: Śukla Trayodaśī, sūryodaya 06:34, sūryāsta 18:02.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1950-12-22","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1950-12-22","sa":"https://sa.vidhyamitra.com/city/erode/1950-12-22","hi":"https://hi.vidhyamitra.com/city/erode/1950-12-22","x-default":"https://vidhyamitra.com/city/erode/1950-12-22"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T08:44:17.636Z","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":"2026-05-21T08:44:17.636Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T08:44:17.636Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}