{"id":"vidhyamitra:city-day:erode:1931-01-24:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1931-01-24","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1931-01-24","date_display":"January 24, 1931 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":1931,"month":1,"day":24,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2426365.770833,"kali_year":5032,"ahargana":1837900.2708,"sun":{"sidereal_longitude":280.3242,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":341.3462,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":61.0221,"elapsed_within_tithi_degrees":1.0221},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3,"moon_longitude":341.3462,"elapsed_within_degrees":8.0129},"yoga":{"number":20,"name":"Śiva","sum_longitude":261.6704},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":1931,"month":1,"day":24,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2426365.770833,"ahargana":1837900.2708,"kali_year":5032,"ayanamsa_lahiri":22.89,"grahas":{"sun":{"sidereal_longitude":280.2020419999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"moon":{"sidereal_longitude":337.639542,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false,"latitude":-1.3783},"mars":{"sidereal_longitude":106.48544200000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":256.809342,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":80.99074200000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":true},"venus":{"sidereal_longitude":234.56464200000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":263.8885419999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":359.1991,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":179.1991,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","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":1931,"month":1,"day":24,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2426365.770833,"kali_year":5032,"ahargana":1837900.2708,"sun":{"sidereal_longitude":280.3242,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":341.3462,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":61.0221,"elapsed_within_tithi_degrees":1.0221},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3,"moon_longitude":341.3462,"elapsed_within_degrees":8.0129},"yoga":{"number":20,"name":"Śiva","sum_longitude":261.6704},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.378,"elongation":61.022},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.378,"opposition_distance":118.978}},"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":"06:44","sunsetLocal":"18:19","solarNoonLocal":"12:31","dayLengthHours":11.578424261762905,"dayLengthDisplay":"11 Hours 34 Mins 42 Secs","nightLengthDisplay":"12 Hours 25 Mins 18 Secs","moonriseLocal":"10:18","moonsetLocal":"22:23","rahuKala":{"name":"Rāhu Kāla","start":"09:38","end":"11:04","startHours":9.625294014334685,"endHours":11.072597047055048,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:58","end":"15:25","startHours":13.967203112495774,"endHours":15.414506145216137,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:44","end":"08:11","startHours":6.730687948893958,"endHours":8.177990981614322,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:26","end":"09:49","startHours":9.432320276638634,"endHours":9.818267752030732,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:13","end":"07:31","startHours":7.213122293134079,"endHours":7.521880273447756,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:08","end":"12:54","startHours":12.133952604383314,"endHours":12.905847555167508,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:11","end":"05:58","startHours":5.18689804732557,"endHours":5.9587929981097645,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:46","end":"06:44","startHours":5.765819260413716,"endHours":6.730687948893958,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:27","end":"15:13","startHours":14.449637456735895,"endHours":15.221532407520089,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:07","end":"18:31","startHours":18.109112210656864,"endHours":18.509112210656863,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:19","end":"18:47","startHours":18.309112210656863,"endHours":18.791546554896986,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:04","end":"19:49","startHours":18.059112210656863,"endHours":19.809112210656863,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:08","end":"00:54","startHours":24.133952604383314,"endHours":24.905847555167508,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:44","end":"08:11","startHours":6.730687948893958,"endHours":8.177990981614322,"quality":"inauspicious"},{"name":"Śubha","start":"08:11","end":"09:38","startHours":8.177990981614322,"endHours":9.625294014334685,"quality":"auspicious"},{"name":"Roga","start":"09:38","end":"11:04","startHours":9.625294014334685,"endHours":11.072597047055048,"quality":"inauspicious"},{"name":"Udveg","start":"11:04","end":"12:31","startHours":11.072597047055048,"endHours":12.519900079775411,"quality":"inauspicious"},{"name":"Chala","start":"12:31","end":"13:58","startHours":12.519900079775411,"endHours":13.967203112495774,"quality":"neutral"},{"name":"Labha","start":"13:58","end":"15:25","startHours":13.967203112495774,"endHours":15.414506145216137,"quality":"auspicious"},{"name":"Amṛta","start":"15:25","end":"16:52","startHours":15.414506145216137,"endHours":16.8618091779365,"quality":"auspicious"},{"name":"Kāla","start":"16:52","end":"18:19","startHours":16.8618091779365,"endHours":18.309112210656863,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:19","end":"19:52","startHours":18.309112210656863,"endHours":19.8618091779365,"quality":"auspicious"},{"name":"Amṛta","start":"19:52","end":"21:25","startHours":19.8618091779365,"endHours":21.414506145216137,"quality":"auspicious"},{"name":"Kāla","start":"21:25","end":"22:58","startHours":21.414506145216137,"endHours":22.967203112495774,"quality":"inauspicious"},{"name":"Śubha","start":"22:58","end":"00:31","startHours":22.967203112495774,"endHours":24.51990007977541,"quality":"auspicious"},{"name":"Roga","start":"00:31","end":"02:04","startHours":24.51990007977541,"endHours":26.072597047055048,"quality":"inauspicious"},{"name":"Udveg","start":"02:04","end":"03:38","startHours":26.072597047055048,"endHours":27.625294014334685,"quality":"inauspicious"},{"name":"Chala","start":"03:38","end":"05:11","startHours":27.625294014334685,"endHours":29.17799098161432,"quality":"neutral"},{"name":"Labha","start":"05:11","end":"06:44","startHours":29.17799098161432,"endHours":30.73068794889396,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:44","end":"07:44","startHours":6.730687948893958,"endHours":7.730687948893958,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:44","end":"08:44","startHours":7.730687948893958,"endHours":8.730687948893959,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:44","end":"09:44","startHours":8.730687948893959,"endHours":9.730687948893959,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:44","end":"10:44","startHours":9.730687948893959,"endHours":10.730687948893959,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:44","end":"11:44","startHours":10.730687948893959,"endHours":11.730687948893959,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:44","end":"12:44","startHours":11.730687948893959,"endHours":12.730687948893959,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:44","end":"13:44","startHours":12.730687948893959,"endHours":13.730687948893959,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:44","end":"14:44","startHours":13.730687948893959,"endHours":14.730687948893959,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:44","end":"15:44","startHours":14.730687948893959,"endHours":15.730687948893959,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:44","end":"16:44","startHours":15.730687948893959,"endHours":16.73068794889396,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:44","end":"17:44","startHours":16.73068794889396,"endHours":17.73068794889396,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:44","end":"18:44","startHours":17.73068794889396,"endHours":18.73068794889396,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:44","end":"19:44","startHours":18.73068794889396,"endHours":19.73068794889396,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:44","end":"20:44","startHours":19.73068794889396,"endHours":20.73068794889396,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:44","end":"21:44","startHours":20.73068794889396,"endHours":21.73068794889396,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:44","end":"22:44","startHours":21.73068794889396,"endHours":22.73068794889396,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:44","end":"23:44","startHours":22.73068794889396,"endHours":23.73068794889396,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:44","end":"00:44","startHours":23.73068794889396,"endHours":24.73068794889396,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:44","end":"01:44","startHours":24.73068794889396,"endHours":25.73068794889396,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:44","end":"02:44","startHours":25.73068794889396,"endHours":26.73068794889396,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:44","end":"03:44","startHours":26.73068794889396,"endHours":27.73068794889396,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:44","end":"04:44","startHours":27.73068794889396,"endHours":28.73068794889396,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:44","end":"05:44","startHours":28.73068794889396,"endHours":29.73068794889396,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:44","end":"06:44","startHours":29.73068794889396,"endHours":30.73068794889396,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-19.464217394915995,"eotMinutes":-12.062804786524666,"ayanamsa":22.89}},"calendars":{"vikram_samvat":1988,"vikram_samvatsara":"Tāraṇa","saka_samvat":1853,"saka_samvatsara":"Prajāpati","bengali_samvat":1338,"malayalam_era":1107,"nanakshahi_year":462,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Ṣaṣṭhī · Vikram 1988 Tāraṇa · Śaka 1853 Prajāpati"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 January 24, 1931 CE · Erode, Tamil Nadu · Vidhyamitra","description":"January 24, 1931 CE for Erode, Tamil Nadu: Śukla Ṣaṣṭhī, sūryodaya 06:44, sūryāsta 18:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1931-01-24","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1931-01-24","sa":"https://sa.vidhyamitra.com/city/erode/1931-01-24","hi":"https://hi.vidhyamitra.com/city/erode/1931-01-24","x-default":"https://vidhyamitra.com/city/erode/1931-01-24"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-23T00:21:37.503Z","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":"2026-05-23T00:21:37.503Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-23T00:21:37.503Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}