{"id":"vidhyamitra:city-day:erode:-3137-08-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/-3137-08-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"-3137-08-21","date_display":"August 21, 3138 BCE","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":-3137,"month":8,"day":21,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":575500.770833,"kali_year":-35,"ahargana":-12964.7292,"sun":{"sidereal_longitude":179.6157,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":165.3514,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":345.7356,"elapsed_within_tithi_degrees":9.7356},"nakshatra":{"number":13,"name":"Hasta","pada":2,"moon_longitude":165.3514,"elapsed_within_degrees":5.3514},"yoga":{"number":26,"name":"Indra","sum_longitude":344.9671},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":-3137,"month":8,"day":21,"hour":6,"minute":30,"calendar":"julian"},"julian_day":575500.770833,"ahargana":-12964.7292,"kali_year":-35,"ayanamsa_lahiri":-47.8987,"grahas":{"sun":{"sidereal_longitude":179.6157,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":165.3514,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false,"latitude":1.4204},"mars":{"sidereal_longitude":96.9369,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":194.7826,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":5.6359,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":true},"venus":{"sidereal_longitude":150.7811,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":273.8168,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":146.9337,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":326.9337,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","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":-3137,"month":8,"day":21,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":575500.770833,"kali_year":-35,"ahargana":-12964.7292,"sun":{"sidereal_longitude":179.6157,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":165.3514,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":345.7356,"elapsed_within_tithi_degrees":9.7356},"nakshatra":{"number":13,"name":"Hasta","pada":2,"moon_longitude":165.3514,"elapsed_within_degrees":5.3514},"yoga":{"number":26,"name":"Indra","sum_longitude":344.9671},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.42,"elongation":14.264},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.42,"opposition_distance":165.736}},"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":"06:04","sunsetLocal":"18:40","solarNoonLocal":"12:22","dayLengthHours":12.595587405852935,"dayLengthDisplay":"12 Hours 35 Mins 44 Secs","nightLengthDisplay":"11 Hours 24 Mins 16 Secs","moonriseLocal":"05:05","moonsetLocal":"17:45","rahuKala":{"name":"Rāhu Kāla","start":"13:56","end":"15:31","startHours":13.939933314331531,"endHours":15.514381740063147,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:04","end":"07:39","startHours":6.067691185673446,"endHours":7.642139611405064,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:13","end":"10:47","startHours":9.216588037136681,"endHours":10.791036462868297,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:00","end":"09:26","startHours":9.006661580372464,"endHours":9.426514493900896,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:36","end":"06:56","startHours":6.592507327583985,"endHours":6.92838965840673,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:47","startHours":11.945631975071484,"endHours":12.785337802128344,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:23","end":"05:14","startHours":4.388279531559721,"endHours":5.227985358616584,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:01","end":"06:04","startHours":5.018058901852369,"endHours":6.067691185673446,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:18","startHours":14.46474945624207,"endHours":15.304455283298932,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:28","end":"18:52","startHours":18.463278591526382,"endHours":18.86327859152638,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:40","end":"19:11","startHours":18.66327859152638,"endHours":19.18809473343692,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:25","end":"20:10","startHours":18.41327859152638,"endHours":20.16327859152638,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:47","startHours":23.945631975071485,"endHours":24.785337802128346,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:04","end":"07:39","startHours":6.067691185673446,"endHours":7.642139611405064,"quality":"auspicious"},{"name":"Roga","start":"07:39","end":"09:13","startHours":7.642139611405064,"endHours":9.216588037136681,"quality":"inauspicious"},{"name":"Udveg","start":"09:13","end":"10:47","startHours":9.216588037136681,"endHours":10.791036462868297,"quality":"inauspicious"},{"name":"Chala","start":"10:47","end":"12:22","startHours":10.791036462868297,"endHours":12.365484888599914,"quality":"neutral"},{"name":"Labha","start":"12:22","end":"13:56","startHours":12.365484888599914,"endHours":13.939933314331531,"quality":"auspicious"},{"name":"Amṛta","start":"13:56","end":"15:31","startHours":13.939933314331531,"endHours":15.514381740063147,"quality":"auspicious"},{"name":"Kāla","start":"15:31","end":"17:05","startHours":15.514381740063147,"endHours":17.088830165794764,"quality":"inauspicious"},{"name":"Śubha","start":"17:05","end":"18:40","startHours":17.088830165794764,"endHours":18.66327859152638,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:40","end":"20:05","startHours":18.66327859152638,"endHours":20.088830165794764,"quality":"auspicious"},{"name":"Kāla","start":"20:05","end":"21:31","startHours":20.088830165794764,"endHours":21.514381740063147,"quality":"inauspicious"},{"name":"Śubha","start":"21:31","end":"22:56","startHours":21.514381740063147,"endHours":22.939933314331533,"quality":"auspicious"},{"name":"Roga","start":"22:56","end":"00:22","startHours":22.939933314331533,"endHours":24.365484888599916,"quality":"inauspicious"},{"name":"Udveg","start":"00:22","end":"01:47","startHours":24.365484888599916,"endHours":25.7910364628683,"quality":"inauspicious"},{"name":"Chala","start":"01:47","end":"03:13","startHours":25.7910364628683,"endHours":27.21658803713668,"quality":"neutral"},{"name":"Labha","start":"03:13","end":"04:39","startHours":27.21658803713668,"endHours":28.642139611405064,"quality":"auspicious"},{"name":"Amṛta","start":"04:39","end":"06:04","startHours":28.642139611405064,"endHours":30.067691185673446,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:04","end":"07:04","startHours":6.067691185673446,"endHours":7.067691185673446,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:04","end":"08:04","startHours":7.067691185673446,"endHours":8.067691185673446,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:04","end":"09:04","startHours":8.067691185673446,"endHours":9.067691185673446,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:04","end":"10:04","startHours":9.067691185673446,"endHours":10.067691185673446,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:04","end":"11:04","startHours":10.067691185673446,"endHours":11.067691185673446,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:04","end":"12:04","startHours":11.067691185673446,"endHours":12.067691185673446,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:04","end":"13:04","startHours":12.067691185673446,"endHours":13.067691185673446,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:04","end":"14:04","startHours":13.067691185673446,"endHours":14.067691185673446,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:04","end":"15:04","startHours":14.067691185673446,"endHours":15.067691185673446,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:04","end":"16:04","startHours":15.067691185673446,"endHours":16.067691185673446,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:04","end":"17:04","startHours":16.067691185673446,"endHours":17.067691185673446,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:04","end":"18:04","startHours":17.067691185673446,"endHours":18.067691185673446,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:04","end":"19:04","startHours":18.067691185673446,"endHours":19.067691185673446,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:04","end":"20:04","startHours":19.067691185673446,"endHours":20.067691185673446,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:04","end":"21:04","startHours":20.067691185673446,"endHours":21.067691185673446,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:04","end":"22:04","startHours":21.067691185673446,"endHours":22.067691185673446,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:04","end":"23:04","startHours":22.067691185673446,"endHours":23.067691185673446,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:04","end":"00:04","startHours":23.067691185673446,"endHours":24.067691185673446,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:04","end":"01:04","startHours":24.067691185673446,"endHours":25.067691185673446,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:04","end":"02:04","startHours":25.067691185673446,"endHours":26.067691185673446,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:04","end":"03:04","startHours":26.067691185673446,"endHours":27.067691185673446,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:04","end":"04:04","startHours":27.067691185673446,"endHours":28.067691185673446,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:04","end":"05:04","startHours":28.067691185673446,"endHours":29.067691185673446,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:04","end":"06:04","startHours":29.067691185673446,"endHours":30.067691185673446,"planetary_lord":"Moon"}],"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":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North-West","rahuVasa":"North-West","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":17.27052821531928,"eotMinutes":-2.7978933159948465,"ayanamsa":-47.8987}},"calendars":{"vikram_samvat":-3080,"saka_samvat":-3215,"bengali_samvat":-3730,"malayalam_era":-3961,"nanakshahi_year":-4606,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Caturdaśī · Vikram -3080 undefined · Śaka -3215 undefined"},"festivals":[{"id":"tula-sankranti","name":"Tulā Saṅkrānti","name_sanskrit":"तुला सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Libra.","vrata":false,"detection":{"sun_rashi_ingress":"Tulā"},"precedence":5},{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":true,"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 August 21, 3138 BCE · Erode, Tamil Nadu · Vidhyamitra","description":"August 21, 3138 BCE for Erode, Tamil Nadu: Kṛṣṇa Caturdaśī, sūryodaya 06:04, sūryāsta 18:40.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/-3137-08-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/-3137-08-21","sa":"https://sa.vidhyamitra.com/city/erode/-3137-08-21","hi":"https://hi.vidhyamitra.com/city/erode/-3137-08-21","x-default":"https://vidhyamitra.com/city/erode/-3137-08-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T21:17:07.305Z","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":"2026-05-31T21:17:07.305Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T21:17:07.305Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}