{"id":"vidhyamitra:city-day:erode:1971-08-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1971-08-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1971-08-23","date_display":"August 23, 1971 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":1971,"month":8,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441186.770833,"kali_year":5073,"ahargana":1852721.2708,"sun":{"sidereal_longitude":125.235,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":151.2854,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":26.0504,"elapsed_within_tithi_degrees":2.0504},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":151.2854,"elapsed_within_degrees":4.6187},"yoga":{"number":21,"name":"Siddha","sum_longitude":276.5204},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1971,"month":8,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2441186.770833,"ahargana":1852721.2708,"kali_year":5073,"ayanamsa_lahiri":23.4568,"grahas":{"sun":{"sidereal_longitude":125.81607099999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":148.868871,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false,"latitude":-2.7298},"mars":{"sidereal_longitude":290.743071,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":132.959971,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":215.160171,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":124.92137100000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":42.78737100000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":293.9112,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":113.9112,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":1971,"month":8,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441186.770833,"kali_year":5073,"ahargana":1852721.2708,"sun":{"sidereal_longitude":125.235,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":151.2854,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":26.0504,"elapsed_within_tithi_degrees":2.0504},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":151.2854,"elapsed_within_degrees":4.6187},"yoga":{"number":21,"name":"Siddha","sum_longitude":276.5204},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.73,"elongation":26.05},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.73,"opposition_distance":153.95}},"eclipse_window_40days":[{"offset_days":-16,"type":"lunar","occurs":true,"moon_latitude":-0.252,"opposition_distance":1.604},{"offset_days":-2,"type":"solar","occurs":true,"moon_latitude":-0.93,"elongation":2.643}]},"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":"06:08","sunsetLocal":"18:34","solarNoonLocal":"12:21","dayLengthHours":12.433932930666401,"dayLengthDisplay":"12 Hours 26 Mins 02 Secs","nightLengthDisplay":"11 Hours 33 Mins 58 Secs","moonriseLocal":"07:49","moonsetLocal":"19:58","rahuKala":{"name":"Rāhu Kāla","start":"07:42","end":"09:15","startHours":7.693938012930495,"endHours":9.248179629263795,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:48","end":"12:21","startHours":10.802421245597095,"endHours":12.356662861930396,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:55","end":"15:28","startHours":13.910904478263696,"endHours":15.465146094596996,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:02","end":"09:27","startHours":9.040947413752688,"endHours":9.455411844774902,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:39","end":"06:59","startHours":6.657776935374962,"endHours":6.989348480192732,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:46","startHours":11.942198430908181,"endHours":12.77112729295261,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:29","end":"05:19","startHours":4.481838672508341,"endHours":5.3107675345527685,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:06","end":"06:08","startHours":5.1035353190416615,"endHours":6.139696396597195,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:15","startHours":14.428985017041462,"endHours":15.257913879085889,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:22","end":"18:46","startHours":18.373629327263597,"endHours":18.773629327263595,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:34","end":"19:06","startHours":18.573629327263596,"endHours":19.091709866041363,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:19","end":"20:04","startHours":18.323629327263596,"endHours":20.073629327263596,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:46","startHours":23.94219843090818,"endHours":24.77112729295261,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:08","end":"07:42","startHours":6.139696396597195,"endHours":7.693938012930495,"quality":"auspicious"},{"name":"Kāla","start":"07:42","end":"09:15","startHours":7.693938012930495,"endHours":9.248179629263795,"quality":"inauspicious"},{"name":"Śubha","start":"09:15","end":"10:48","startHours":9.248179629263795,"endHours":10.802421245597095,"quality":"auspicious"},{"name":"Roga","start":"10:48","end":"12:21","startHours":10.802421245597095,"endHours":12.356662861930396,"quality":"inauspicious"},{"name":"Udveg","start":"12:21","end":"13:55","startHours":12.356662861930396,"endHours":13.910904478263696,"quality":"inauspicious"},{"name":"Chala","start":"13:55","end":"15:28","startHours":13.910904478263696,"endHours":15.465146094596996,"quality":"neutral"},{"name":"Labha","start":"15:28","end":"17:01","startHours":15.465146094596996,"endHours":17.019387710930296,"quality":"auspicious"},{"name":"Amṛta","start":"17:01","end":"18:34","startHours":17.019387710930296,"endHours":18.573629327263596,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:34","end":"20:01","startHours":18.573629327263596,"endHours":20.019387710930296,"quality":"neutral"},{"name":"Labha","start":"20:01","end":"21:28","startHours":20.019387710930296,"endHours":21.465146094596996,"quality":"auspicious"},{"name":"Amṛta","start":"21:28","end":"22:55","startHours":21.465146094596996,"endHours":22.910904478263696,"quality":"auspicious"},{"name":"Kāla","start":"22:55","end":"00:21","startHours":22.910904478263696,"endHours":24.356662861930396,"quality":"inauspicious"},{"name":"Śubha","start":"00:21","end":"01:48","startHours":24.356662861930396,"endHours":25.802421245597095,"quality":"auspicious"},{"name":"Roga","start":"01:48","end":"03:15","startHours":25.802421245597095,"endHours":27.248179629263795,"quality":"inauspicious"},{"name":"Udveg","start":"03:15","end":"04:42","startHours":27.248179629263795,"endHours":28.693938012930495,"quality":"inauspicious"},{"name":"Chala","start":"04:42","end":"06:08","startHours":28.693938012930495,"endHours":30.139696396597195,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:08","end":"07:08","startHours":6.139696396597195,"endHours":7.139696396597195,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:08","end":"08:08","startHours":7.139696396597195,"endHours":8.139696396597195,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:08","end":"09:08","startHours":8.139696396597195,"endHours":9.139696396597195,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:08","end":"10:08","startHours":9.139696396597195,"endHours":10.139696396597195,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:08","end":"11:08","startHours":10.139696396597195,"endHours":11.139696396597195,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:08","end":"12:08","startHours":11.139696396597195,"endHours":12.139696396597195,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:08","end":"13:08","startHours":12.139696396597195,"endHours":13.139696396597195,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:08","end":"14:08","startHours":13.139696396597195,"endHours":14.139696396597195,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:08","end":"15:08","startHours":14.139696396597195,"endHours":15.139696396597195,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:08","end":"16:08","startHours":15.139696396597195,"endHours":16.139696396597195,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:08","end":"17:08","startHours":16.139696396597195,"endHours":17.139696396597195,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:08","end":"18:08","startHours":17.139696396597195,"endHours":18.139696396597195,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:08","end":"19:08","startHours":18.139696396597195,"endHours":19.139696396597195,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:08","end":"20:08","startHours":19.139696396597195,"endHours":20.139696396597195,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:08","end":"21:08","startHours":20.139696396597195,"endHours":21.139696396597195,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:08","end":"22:08","startHours":21.139696396597195,"endHours":22.139696396597195,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:08","end":"23:08","startHours":22.139696396597195,"endHours":23.139696396597195,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:08","end":"00:08","startHours":23.139696396597195,"endHours":24.139696396597195,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:08","end":"01:08","startHours":24.139696396597195,"endHours":25.139696396597195,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:08","end":"02:08","startHours":25.139696396597195,"endHours":26.139696396597195,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:08","end":"03:08","startHours":26.139696396597195,"endHours":27.139696396597195,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:08","end":"04:08","startHours":27.139696396597195,"endHours":28.139696396597195,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:08","end":"05:08","startHours":28.139696396597195,"endHours":29.139696396597195,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:08","end":"06:08","startHours":29.139696396597195,"endHours":30.139696396597195,"planetary_lord":"Venus"}],"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","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"drikRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":11.725401158125235,"eotMinutes":-2.2685717158237404,"ayanamsa":23.4568}},"calendars":{"vikram_samvat":2028,"vikram_samvatsara":"Raktākṣī","saka_samvat":1893,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1378,"malayalam_era":1147,"nanakshahi_year":502,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Tṛtīyā · Vikram 2028 Raktākṣī · Śaka 1893 Virodhakṛt"},"festivals":[{"id":"varaha-jayanti","name":"Varāha Jayantī","name_sanskrit":"वराह जयन्ती","tradition":"Vaishnava","associated_deity":"Varāha (3rd daśāvatāra of Krishna)","deity_avatara_index":12,"significance":"Varāha lifted Bhū-Devī from the cosmic ocean.","vrata":false,"detection":{"tithi_number":3,"tithi_paksha":"Śukla","lunar_month":"Bhādrapada"},"precedence":4,"sources":["Bhāgavata 3.13"]},{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 August 23, 1971 CE · Erode, Tamil Nadu · Vidhyamitra","description":"August 23, 1971 CE for Erode, Tamil Nadu: Śukla Tṛtīyā, sūryodaya 06:08, sūryāsta 18:34.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1971-08-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1971-08-23","sa":"https://sa.vidhyamitra.com/city/erode/1971-08-23","hi":"https://hi.vidhyamitra.com/city/erode/1971-08-23","x-default":"https://vidhyamitra.com/city/erode/1971-08-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T08:22:31.392Z","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":"2026-05-19T08:22:31.392Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T08:22:31.392Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}