{"id":"vidhyamitra:city-day:erode:1971-09-29:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1971-09-29","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1971-09-29","date_display":"September 29, 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":9,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441223.770833,"kali_year":5073,"ahargana":1852758.2708,"sun":{"sidereal_longitude":161.1125,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":270.5988,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":109.4863,"elapsed_within_tithi_degrees":1.4863},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2,"moon_longitude":270.5988,"elapsed_within_degrees":3.9322},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":71.7114},"karana":{"half_tithi_index":18,"name":"Taitila"},"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":1971,"month":9,"day":29,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2441223.770833,"ahargana":1852758.2708,"kali_year":5073,"ayanamsa_lahiri":23.4583,"grahas":{"sun":{"sidereal_longitude":161.78905699999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"moon":{"sidereal_longitude":267.738657,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false,"latitude":-1.637},"mars":{"sidereal_longitude":291.280257,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":154.476357,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":219.89155699999992,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":170.89285700000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":43.35715700000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":291.9507,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":111.9507,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":1971,"month":9,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441223.770833,"kali_year":5073,"ahargana":1852758.2708,"sun":{"sidereal_longitude":161.1125,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":270.5988,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":109.4863,"elapsed_within_tithi_degrees":1.4863},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2,"moon_longitude":270.5988,"elapsed_within_degrees":3.9322},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":71.7114},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.637,"elongation":109.486},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.637,"opposition_distance":70.514}},"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":"06:07","sunsetLocal":"18:10","solarNoonLocal":"12:09","dayLengthHours":12.057579715869432,"dayLengthDisplay":"12 Hours 03 Mins 27 Secs","nightLengthDisplay":"11 Hours 56 Mins 33 Secs","moonriseLocal":"13:28","moonsetLocal":"00:57","rahuKala":{"name":"Rāhu Kāla","start":"12:09","end":"13:39","startHours":12.143594060603196,"endHours":13.650791525086873,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:37","end":"09:08","startHours":7.6220016671521575,"endHours":9.129199131635836,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:38","end":"12:09","startHours":10.636396596119516,"endHours":12.143594060603196,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:56","end":"09:20","startHours":8.92823946970468,"endHours":9.330158793566994,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:37","end":"06:56","startHours":6.617203357496372,"endHours":6.938738816586223,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:45","end":"12:33","startHours":11.741674736740881,"endHours":12.54551338446551,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:30","end":"05:19","startHours":4.507126907219221,"endHours":5.31096555494385,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:07","end":"06:07","startHours":5.110005893012692,"endHours":6.114804202668479,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:57","startHours":14.153190679914767,"endHours":14.957029327639395,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:58","end":"18:22","startHours":17.97238391853791,"endHours":18.37238391853791,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:10","end":"18:40","startHours":18.17238391853791,"endHours":18.674783073365802,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:55","end":"19:40","startHours":17.92238391853791,"endHours":19.67238391853791,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:45","end":"00:33","startHours":23.74167473674088,"endHours":24.54551338446551,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:07","end":"07:37","startHours":6.114804202668479,"endHours":7.6220016671521575,"quality":"auspicious"},{"name":"Amṛta","start":"07:37","end":"09:08","startHours":7.6220016671521575,"endHours":9.129199131635836,"quality":"auspicious"},{"name":"Kāla","start":"09:08","end":"10:38","startHours":9.129199131635836,"endHours":10.636396596119516,"quality":"inauspicious"},{"name":"Śubha","start":"10:38","end":"12:09","startHours":10.636396596119516,"endHours":12.143594060603196,"quality":"auspicious"},{"name":"Roga","start":"12:09","end":"13:39","startHours":12.143594060603196,"endHours":13.650791525086873,"quality":"inauspicious"},{"name":"Udveg","start":"13:39","end":"15:09","startHours":13.650791525086873,"endHours":15.157988989570553,"quality":"inauspicious"},{"name":"Chala","start":"15:09","end":"16:40","startHours":15.157988989570553,"endHours":16.66518645405423,"quality":"neutral"},{"name":"Labha","start":"16:40","end":"18:10","startHours":16.66518645405423,"endHours":18.17238391853791,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:10","end":"19:40","startHours":18.17238391853791,"endHours":19.665186454054233,"quality":"inauspicious"},{"name":"Chala","start":"19:40","end":"21:09","startHours":19.665186454054233,"endHours":21.15798898957055,"quality":"neutral"},{"name":"Labha","start":"21:09","end":"22:39","startHours":21.15798898957055,"endHours":22.650791525086873,"quality":"auspicious"},{"name":"Amṛta","start":"22:39","end":"00:09","startHours":22.650791525086873,"endHours":24.143594060603196,"quality":"auspicious"},{"name":"Kāla","start":"00:09","end":"01:38","startHours":24.143594060603196,"endHours":25.636396596119518,"quality":"inauspicious"},{"name":"Śubha","start":"01:38","end":"03:08","startHours":25.636396596119518,"endHours":27.129199131635836,"quality":"auspicious"},{"name":"Roga","start":"03:08","end":"04:37","startHours":27.129199131635836,"endHours":28.62200166715216,"quality":"inauspicious"},{"name":"Udveg","start":"04:37","end":"06:07","startHours":28.62200166715216,"endHours":30.11480420266848,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:07","end":"07:07","startHours":6.114804202668479,"endHours":7.114804202668479,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:07","end":"08:07","startHours":7.114804202668479,"endHours":8.114804202668479,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:07","end":"09:07","startHours":8.114804202668479,"endHours":9.114804202668479,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:07","end":"10:07","startHours":9.114804202668479,"endHours":10.114804202668479,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:07","end":"11:07","startHours":10.114804202668479,"endHours":11.114804202668479,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:07","end":"12:07","startHours":11.114804202668479,"endHours":12.114804202668479,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:07","end":"13:07","startHours":12.114804202668479,"endHours":13.114804202668479,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:07","end":"14:07","startHours":13.114804202668479,"endHours":14.114804202668479,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:07","end":"15:07","startHours":14.114804202668479,"endHours":15.114804202668479,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:07","end":"16:07","startHours":15.114804202668479,"endHours":16.11480420266848,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:07","end":"17:07","startHours":16.11480420266848,"endHours":17.11480420266848,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:07","end":"18:07","startHours":17.11480420266848,"endHours":18.11480420266848,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:07","end":"19:07","startHours":18.11480420266848,"endHours":19.11480420266848,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:07","end":"20:07","startHours":19.11480420266848,"endHours":20.11480420266848,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:07","end":"21:07","startHours":20.11480420266848,"endHours":21.11480420266848,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:07","end":"22:07","startHours":21.11480420266848,"endHours":22.11480420266848,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:07","end":"23:07","startHours":22.11480420266848,"endHours":23.11480420266848,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:07","end":"00:07","startHours":23.11480420266848,"endHours":24.11480420266848,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:07","end":"01:07","startHours":24.11480420266848,"endHours":25.11480420266848,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:07","end":"02:07","startHours":25.11480420266848,"endHours":26.11480420266848,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:07","end":"03:07","startHours":26.11480420266848,"endHours":27.11480420266848,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:07","end":"04:07","startHours":27.11480420266848,"endHours":28.11480420266848,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:07","end":"05:07","startHours":28.11480420266848,"endHours":29.11480420266848,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:07","end":"06:07","startHours":29.11480420266848,"endHours":30.11480420266848,"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","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"South-West","anandadiYoga":{"name":"Saumya","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-2.0845877708607787,"eotMinutes":10.515556363808276,"ayanamsa":23.4583}},"calendars":{"vikram_samvat":2028,"vikram_samvatsara":"Raktākṣī","saka_samvat":1893,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1378,"malayalam_era":1147,"nanakshahi_year":502,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla 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 Śukla Daśamī · Vikram 2028 Raktākṣī · Śaka 1893 Virodhakṛt"},"festivals":[{"id":"vijaya-dashami","name":"Vijaya Daśamī (Dasarā / Daśaharā)","name_sanskrit":"विजय दशमी","tradition":"Pan-Hindu","associated_deity":"Rāma (Rāvaṇa-vadha) + Durgā (Mahiṣāsura-vadha)","significance":"Rāma's victory over Rāvaṇa; Durgā's victory; ārambha-divasa for śilpa-kalā.","vrata":true,"primary_observance":"Rāvaṇa-dahana; Aparājitā-pūjā; Śastra-pūjā","detection":{"tithi_number":10,"tithi_paksha":"Śukla","lunar_month":"Āśvina"},"precedence":1,"related_chart":"rama","sources":["Vālmīki Rāmāyaṇa, Yuddha-Kāṇḍa","Devī Mahātmya"]}],"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":[]},"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 September 29, 1971 CE · Erode, Tamil Nadu · Vidhyamitra","description":"September 29, 1971 CE for Erode, Tamil Nadu: Śukla Daśamī, sūryodaya 06:07, sūryāsta 18:10.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1971-09-29","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1971-09-29","sa":"https://sa.vidhyamitra.com/city/erode/1971-09-29","hi":"https://hi.vidhyamitra.com/city/erode/1971-09-29","x-default":"https://vidhyamitra.com/city/erode/1971-09-29"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T00:32:42.664Z","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":"2026-05-31T00:32:42.664Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T00:32:42.664Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}