{"id":"vidhyamitra:city-day:erode:1990-09-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1990-09-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1990-09-07","date_display":"September 7, 1990 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":1990,"month":9,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448141.770833,"kali_year":5092,"ahargana":1859676.2708,"sun":{"sidereal_longitude":139.762,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":344.005,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":204.243,"elapsed_within_tithi_degrees":0.243},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4,"moon_longitude":344.005,"elapsed_within_degrees":10.6717},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":123.7671},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1990,"month":9,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2448141.770833,"ahargana":1859676.2708,"kali_year":5092,"ayanamsa_lahiri":23.7228,"grahas":{"sun":{"sidereal_longitude":140.445339,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":345.978939,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false,"latitude":3.84},"mars":{"sidereal_longitude":39.500838999999985,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":142.922239,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":100.29613899999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"venus":{"sidereal_longitude":126.06233900000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":265.012839,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":285.4018,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":105.4018,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"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":1990,"month":9,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448141.770833,"kali_year":5092,"ahargana":1859676.2708,"sun":{"sidereal_longitude":139.762,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":344.005,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":204.243,"elapsed_within_tithi_degrees":0.243},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4,"moon_longitude":344.005,"elapsed_within_degrees":10.6717},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":123.7671},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.84,"elongation":155.757},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.84,"opposition_distance":24.243}},"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":"06:08","sunsetLocal":"18:25","solarNoonLocal":"12:17","dayLengthHours":12.281253046475335,"dayLengthDisplay":"12 Hours 16 Mins 53 Secs","nightLengthDisplay":"11 Hours 43 Mins 07 Secs","moonriseLocal":"19:53","moonsetLocal":"08:04","rahuKala":{"name":"Rāhu Kāla","start":"10:44","end":"12:17","startHours":10.741061719673205,"endHours":12.276218350482623,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:21","end":"16:53","startHours":15.346531612101455,"endHours":16.881688242910872,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:40","end":"09:12","startHours":7.670748458054371,"endHours":9.205905088863787,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:00","end":"09:25","startHours":9.001217538089199,"endHours":9.410592639638377,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:39","end":"06:58","startHours":6.647310704181426,"endHours":6.974810785420768,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:41","startHours":11.866843248933444,"endHours":12.685593452031801,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:30","end":"05:19","startHours":4.498091421048243,"endHours":5.3168416241465986,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:07","end":"06:08","startHours":5.112154073372009,"endHours":6.135591827244954,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:19","end":"15:09","startHours":14.32309385822851,"endHours":15.141844061326866,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:13","end":"18:37","startHours":18.21684487372029,"endHours":18.61684487372029,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:25","end":"18:56","startHours":18.41684487372029,"endHours":18.928563750656764,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:10","end":"19:55","startHours":18.16684487372029,"endHours":19.91684487372029,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:41","startHours":23.866843248933446,"endHours":24.6855934520318,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:08","end":"07:40","startHours":6.135591827244954,"endHours":7.670748458054371,"quality":"neutral"},{"name":"Labha","start":"07:40","end":"09:12","startHours":7.670748458054371,"endHours":9.205905088863787,"quality":"auspicious"},{"name":"Amṛta","start":"09:12","end":"10:44","startHours":9.205905088863787,"endHours":10.741061719673205,"quality":"auspicious"},{"name":"Kāla","start":"10:44","end":"12:17","startHours":10.741061719673205,"endHours":12.276218350482623,"quality":"inauspicious"},{"name":"Śubha","start":"12:17","end":"13:49","startHours":12.276218350482623,"endHours":13.811374981292039,"quality":"auspicious"},{"name":"Roga","start":"13:49","end":"15:21","startHours":13.811374981292039,"endHours":15.346531612101455,"quality":"inauspicious"},{"name":"Udveg","start":"15:21","end":"16:53","startHours":15.346531612101455,"endHours":16.881688242910872,"quality":"inauspicious"},{"name":"Chala","start":"16:53","end":"18:25","startHours":16.881688242910872,"endHours":18.41684487372029,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:25","end":"19:53","startHours":18.41684487372029,"endHours":19.881688242910872,"quality":"inauspicious"},{"name":"Udveg","start":"19:53","end":"21:21","startHours":19.881688242910872,"endHours":21.346531612101458,"quality":"inauspicious"},{"name":"Chala","start":"21:21","end":"22:49","startHours":21.346531612101458,"endHours":22.81137498129204,"quality":"neutral"},{"name":"Labha","start":"22:49","end":"00:17","startHours":22.81137498129204,"endHours":24.276218350482623,"quality":"auspicious"},{"name":"Amṛta","start":"00:17","end":"01:44","startHours":24.276218350482623,"endHours":25.741061719673205,"quality":"auspicious"},{"name":"Kāla","start":"01:44","end":"03:12","startHours":25.741061719673205,"endHours":27.205905088863787,"quality":"inauspicious"},{"name":"Śubha","start":"03:12","end":"04:40","startHours":27.205905088863787,"endHours":28.670748458054373,"quality":"auspicious"},{"name":"Roga","start":"04:40","end":"06:08","startHours":28.670748458054373,"endHours":30.135591827244955,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:08","end":"07:08","startHours":6.135591827244954,"endHours":7.135591827244954,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:08","end":"08:08","startHours":7.135591827244954,"endHours":8.135591827244955,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:08","end":"09:08","startHours":8.135591827244955,"endHours":9.135591827244955,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:08","end":"10:08","startHours":9.135591827244955,"endHours":10.135591827244955,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:08","end":"11:08","startHours":10.135591827244955,"endHours":11.135591827244955,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:08","end":"12:08","startHours":11.135591827244955,"endHours":12.135591827244955,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:08","end":"13:08","startHours":12.135591827244955,"endHours":13.135591827244955,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:08","end":"14:08","startHours":13.135591827244955,"endHours":14.135591827244955,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:08","end":"15:08","startHours":14.135591827244955,"endHours":15.135591827244955,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:08","end":"16:08","startHours":15.135591827244955,"endHours":16.135591827244955,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:08","end":"17:08","startHours":16.135591827244955,"endHours":17.135591827244955,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:08","end":"18:08","startHours":17.135591827244955,"endHours":18.135591827244955,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:08","end":"19:08","startHours":18.135591827244955,"endHours":19.135591827244955,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:08","end":"20:08","startHours":19.135591827244955,"endHours":20.135591827244955,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:08","end":"21:08","startHours":20.135591827244955,"endHours":21.135591827244955,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:08","end":"22:08","startHours":21.135591827244955,"endHours":22.135591827244955,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:08","end":"23:08","startHours":22.135591827244955,"endHours":23.135591827244955,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:08","end":"00:08","startHours":23.135591827244955,"endHours":24.135591827244955,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:08","end":"01:08","startHours":24.135591827244955,"endHours":25.135591827244955,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:08","end":"02:08","startHours":25.135591827244955,"endHours":26.135591827244955,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:08","end":"03:08","startHours":26.135591827244955,"endHours":27.135591827244955,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:08","end":"04:08","startHours":27.135591827244955,"endHours":28.135591827244955,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:08","end":"05:08","startHours":28.135591827244955,"endHours":29.135591827244955,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:08","end":"06:08","startHours":29.135591827244955,"endHours":30.135591827244955,"planetary_lord":"Mars"}],"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":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"South-East","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":6.229286087572258,"eotMinutes":2.5580989710426816,"ayanamsa":23.7228}},"calendars":{"vikram_samvat":2047,"vikram_samvatsara":"Subhānu","saka_samvat":1912,"saka_samvatsara":"Pramoda","bengali_samvat":1397,"malayalam_era":1166,"nanakshahi_year":521,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Tṛtīyā · Vikram 2047 Subhānu · Śaka 1912 Pramoda"},"festivals":[{"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":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 7, 1990 CE · Erode, Tamil Nadu · Vidhyamitra","description":"September 7, 1990 CE for Erode, Tamil Nadu: Kṛṣṇa Tṛtīyā, sūryodaya 06:08, sūryāsta 18:25.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1990-09-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1990-09-07","sa":"https://sa.vidhyamitra.com/city/erode/1990-09-07","hi":"https://hi.vidhyamitra.com/city/erode/1990-09-07","x-default":"https://vidhyamitra.com/city/erode/1990-09-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T10:01:35.171Z","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":"2026-05-17T10:01:35.171Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T10:01:35.171Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}