{"id":"vidhyamitra:city-day:erode:1924-02-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1924-02-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1924-02-13","date_display":"February 13, 1924 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":1924,"month":2,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2423828.770833,"kali_year":5025,"ahargana":1835363.2708,"sun":{"sidereal_longitude":300.5446,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":32.9682,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":92.4236,"elapsed_within_tithi_degrees":8.4236},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2,"moon_longitude":32.9682,"elapsed_within_degrees":6.3016},"yoga":{"number":26,"name":"Indra","sum_longitude":333.5128},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1924,"month":2,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2423828.770833,"ahargana":1835363.2708,"kali_year":5025,"ayanamsa_lahiri":22.793,"grahas":{"sun":{"sidereal_longitude":300.279674,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":32.43517400000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false,"latitude":-4.4223},"mars":{"sidereal_longitude":233.79257400000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":276.8676740000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":234.60057400000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":338.115774,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":189.819474,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":133.6215,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":313.6215,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":1924,"month":2,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2423828.770833,"kali_year":5025,"ahargana":1835363.2708,"sun":{"sidereal_longitude":300.5446,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":32.9682,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":92.4236,"elapsed_within_tithi_degrees":8.4236},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2,"moon_longitude":32.9682,"elapsed_within_degrees":6.3016},"yoga":{"number":26,"name":"Indra","sum_longitude":333.5128},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.422,"elongation":92.424},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.422,"opposition_distance":87.576}},"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":"06:42","sunsetLocal":"18:26","solarNoonLocal":"12:34","dayLengthHours":11.739549334187252,"dayLengthDisplay":"11 Hours 44 Mins 22 Secs","nightLengthDisplay":"12 Hours 15 Mins 38 Secs","moonriseLocal":"12:24","moonsetLocal":"01:01","rahuKala":{"name":"Rāhu Kāla","start":"12:34","end":"14:02","startHours":12.562178754343702,"endHours":14.029622421117107,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:10","end":"09:38","startHours":8.159847754023481,"endHours":9.627291420796887,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:06","end":"12:34","startHours":11.094735087570294,"endHours":12.562178754343702,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:26","end":"09:49","startHours":9.431632265227101,"endHours":9.822950576366676,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:11","end":"07:30","startHours":7.181551976174544,"endHours":7.494606625086204,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:10","end":"12:57","startHours":12.170860443204127,"endHours":12.953497065483276,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:08","end":"05:55","startHours":5.127130842691774,"endHours":5.909767464970924,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:43","end":"06:42","startHours":5.714108309401137,"endHours":6.6924040872500745,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:31","end":"15:18","startHours":14.518770310041576,"endHours":15.301406932320727,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:14","end":"18:38","startHours":18.23195342143733,"endHours":18.631953421437327,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:26","end":"18:55","startHours":18.431953421437328,"endHours":18.921101310361795,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:11","end":"19:56","startHours":18.181953421437328,"endHours":19.931953421437328,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:10","end":"00:57","startHours":24.170860443204127,"endHours":24.953497065483276,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:42","end":"08:10","startHours":6.6924040872500745,"endHours":8.159847754023481,"quality":"auspicious"},{"name":"Amṛta","start":"08:10","end":"09:38","startHours":8.159847754023481,"endHours":9.627291420796887,"quality":"auspicious"},{"name":"Kāla","start":"09:38","end":"11:06","startHours":9.627291420796887,"endHours":11.094735087570294,"quality":"inauspicious"},{"name":"Śubha","start":"11:06","end":"12:34","startHours":11.094735087570294,"endHours":12.562178754343702,"quality":"auspicious"},{"name":"Roga","start":"12:34","end":"14:02","startHours":12.562178754343702,"endHours":14.029622421117107,"quality":"inauspicious"},{"name":"Udveg","start":"14:02","end":"15:30","startHours":14.029622421117107,"endHours":15.497066087890513,"quality":"inauspicious"},{"name":"Chala","start":"15:30","end":"16:58","startHours":15.497066087890513,"endHours":16.964509754663922,"quality":"neutral"},{"name":"Labha","start":"16:58","end":"18:26","startHours":16.964509754663922,"endHours":18.431953421437328,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:26","end":"19:58","startHours":18.431953421437328,"endHours":19.964509754663922,"quality":"inauspicious"},{"name":"Chala","start":"19:58","end":"21:30","startHours":19.964509754663922,"endHours":21.497066087890516,"quality":"neutral"},{"name":"Labha","start":"21:30","end":"23:02","startHours":21.497066087890516,"endHours":23.029622421117107,"quality":"auspicious"},{"name":"Amṛta","start":"23:02","end":"00:34","startHours":23.029622421117107,"endHours":24.5621787543437,"quality":"auspicious"},{"name":"Kāla","start":"00:34","end":"02:06","startHours":24.5621787543437,"endHours":26.094735087570296,"quality":"inauspicious"},{"name":"Śubha","start":"02:06","end":"03:38","startHours":26.094735087570296,"endHours":27.627291420796887,"quality":"auspicious"},{"name":"Roga","start":"03:38","end":"05:10","startHours":27.627291420796887,"endHours":29.15984775402348,"quality":"inauspicious"},{"name":"Udveg","start":"05:10","end":"06:42","startHours":29.15984775402348,"endHours":30.692404087250075,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:42","end":"07:42","startHours":6.6924040872500745,"endHours":7.6924040872500745,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:42","end":"08:42","startHours":7.6924040872500745,"endHours":8.692404087250075,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:42","end":"09:42","startHours":8.692404087250075,"endHours":9.692404087250075,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:42","end":"10:42","startHours":9.692404087250075,"endHours":10.692404087250075,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:42","end":"11:42","startHours":10.692404087250075,"endHours":11.692404087250075,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:42","end":"12:42","startHours":11.692404087250075,"endHours":12.692404087250075,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:42","end":"13:42","startHours":12.692404087250075,"endHours":13.692404087250075,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:42","end":"14:42","startHours":13.692404087250075,"endHours":14.692404087250075,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:42","end":"15:42","startHours":14.692404087250075,"endHours":15.692404087250075,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:42","end":"16:42","startHours":15.692404087250075,"endHours":16.692404087250075,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:42","end":"17:42","startHours":16.692404087250075,"endHours":17.692404087250075,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:42","end":"18:42","startHours":17.692404087250075,"endHours":18.692404087250075,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:42","end":"19:42","startHours":18.692404087250075,"endHours":19.692404087250075,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:42","end":"20:42","startHours":19.692404087250075,"endHours":20.692404087250075,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:42","end":"21:42","startHours":20.692404087250075,"endHours":21.692404087250075,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:42","end":"22:42","startHours":21.692404087250075,"endHours":22.692404087250075,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:42","end":"23:42","startHours":22.692404087250075,"endHours":23.692404087250075,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:42","end":"00:42","startHours":23.692404087250075,"endHours":24.692404087250075,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:42","end":"01:42","startHours":24.692404087250075,"endHours":25.692404087250075,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:42","end":"02:42","startHours":25.692404087250075,"endHours":26.692404087250075,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:42","end":"03:42","startHours":26.692404087250075,"endHours":27.692404087250075,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:42","end":"04:42","startHours":27.692404087250075,"endHours":28.692404087250075,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:42","end":"05:42","startHours":28.692404087250075,"endHours":29.692404087250075,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:42","end":"06:42","startHours":29.692404087250075,"endHours":30.692404087250075,"planetary_lord":"Sun"}],"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":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"South-West","anandadiYoga":{"name":"Lumba","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-13.825065310274805,"eotMinutes":-14.599525260622107,"ayanamsa":22.793}},"calendars":{"vikram_samvat":1981,"vikram_samvatsara":"Īśvara","saka_samvat":1846,"saka_samvatsara":"Raktākṣī","bengali_samvat":1331,"malayalam_era":1100,"nanakshahi_year":455,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Aṣṭamī · Vikram 1981 Īśvara · Śaka 1846 Raktākṣī"},"festivals":[{"id":"bhishma-ashtami","name":"Bhīṣmāṣṭamī","name_sanskrit":"भीष्माष्टमी","tradition":"Pan-Hindu","associated_deity":"Bhīṣma Pitāmaha","significance":"Bhīṣma's mahaprasthāna anniversary (Māgha Śukla 8); Bhīṣma-tarpaṇa.","vrata":true,"detection":{"tithi_number":8,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":2,"sources":["Mahābhārata, Anuśāsana Parva"]}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī + Kṛttikā","url":"/day/-3137-12-25","relevance":1},{"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}]},"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 February 13, 1924 CE · Erode, Tamil Nadu · Vidhyamitra","description":"February 13, 1924 CE for Erode, Tamil Nadu: Śukla Aṣṭamī, sūryodaya 06:42, sūryāsta 18:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1924-02-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1924-02-13","sa":"https://sa.vidhyamitra.com/city/erode/1924-02-13","hi":"https://hi.vidhyamitra.com/city/erode/1924-02-13","x-default":"https://vidhyamitra.com/city/erode/1924-02-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T14:25:25.927Z","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":"2026-05-31T14:25:25.927Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T14:25:25.927Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}