{"id":"vidhyamitra:city-day:erode:2124-09-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2124-09-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2124-09-21","date_display":"September 21, 2124 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":2124,"month":9,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2497098.770833,"kali_year":5226,"ahargana":1908633.2708,"sun":{"sidereal_longitude":151.732,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":300.0313,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":148.2993,"elapsed_within_tithi_degrees":4.2993},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3,"moon_longitude":300.0313,"elapsed_within_degrees":6.698},"yoga":{"number":7,"name":"Sukarma","sum_longitude":91.7633},"karana":{"half_tithi_index":24,"name":"Kaulava"},"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":2124,"month":9,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2497098.770833,"ahargana":1908633.2708,"kali_year":5226,"ayanamsa_lahiri":25.5953,"grahas":{"sun":{"sidereal_longitude":152.77032099999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":301.928321,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false,"latitude":4.4987},"mars":{"sidereal_longitude":111.92142100000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":161.32102099999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":186.29172100000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":114.55492099999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":117.992121,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":211.4243,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":31.4243,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","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":2124,"month":9,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2497098.770833,"kali_year":5226,"ahargana":1908633.2708,"sun":{"sidereal_longitude":151.732,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":300.0313,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":148.2993,"elapsed_within_tithi_degrees":4.2993},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3,"moon_longitude":300.0313,"elapsed_within_degrees":6.698},"yoga":{"number":7,"name":"Sukarma","sum_longitude":91.7633},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.499,"elongation":148.299},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.499,"opposition_distance":31.701}},"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":"18:15","solarNoonLocal":"12:11","dayLengthHours":12.13067038318494,"dayLengthDisplay":"12 Hours 07 Mins 50 Secs","nightLengthDisplay":"11 Hours 52 Mins 10 Secs","moonriseLocal":"16:16","moonsetLocal":"04:00","rahuKala":{"name":"Rāhu Kāla","start":"13:42","end":"15:13","startHours":13.70664500785251,"endHours":15.222978805750627,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:07","end":"07:38","startHours":6.124976018361922,"endHours":7.64130981626004,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:09","end":"10:40","startHours":9.157643614158157,"endHours":10.673977412056274,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:57","end":"09:22","startHours":8.955465774438409,"endHours":9.359821453877906,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:38","end":"06:57","startHours":6.6304206176612945,"endHours":6.953905161212893,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:47","end":"12:36","startHours":11.785955530514894,"endHours":12.594666889393888,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:30","end":"05:19","startHours":4.50755330060393,"endHours":5.3162646594829255,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:07","end":"06:07","startHours":5.114086819763177,"endHours":6.124976018361922,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:13","end":"15:01","startHours":14.212089607151883,"endHours":15.02080096603088,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:03","end":"18:27","startHours":18.055646401546863,"endHours":18.45564640154686,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:15","end":"18:46","startHours":18.255646401546862,"endHours":18.761091000846235,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:00","end":"19:45","startHours":18.005646401546862,"endHours":19.755646401546862,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:47","end":"00:36","startHours":23.785955530514894,"endHours":24.59466688939389,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:07","end":"07:38","startHours":6.124976018361922,"endHours":7.64130981626004,"quality":"auspicious"},{"name":"Roga","start":"07:38","end":"09:09","startHours":7.64130981626004,"endHours":9.157643614158157,"quality":"inauspicious"},{"name":"Udveg","start":"09:09","end":"10:40","startHours":9.157643614158157,"endHours":10.673977412056274,"quality":"inauspicious"},{"name":"Chala","start":"10:40","end":"12:11","startHours":10.673977412056274,"endHours":12.190311209954391,"quality":"neutral"},{"name":"Labha","start":"12:11","end":"13:42","startHours":12.190311209954391,"endHours":13.70664500785251,"quality":"auspicious"},{"name":"Amṛta","start":"13:42","end":"15:13","startHours":13.70664500785251,"endHours":15.222978805750627,"quality":"auspicious"},{"name":"Kāla","start":"15:13","end":"16:44","startHours":15.222978805750627,"endHours":16.739312603648745,"quality":"inauspicious"},{"name":"Śubha","start":"16:44","end":"18:15","startHours":16.739312603648745,"endHours":18.255646401546862,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:15","end":"19:44","startHours":18.255646401546862,"endHours":19.739312603648745,"quality":"auspicious"},{"name":"Kāla","start":"19:44","end":"21:13","startHours":19.739312603648745,"endHours":21.22297880575063,"quality":"inauspicious"},{"name":"Śubha","start":"21:13","end":"22:42","startHours":21.22297880575063,"endHours":22.706645007852508,"quality":"auspicious"},{"name":"Roga","start":"22:42","end":"00:11","startHours":22.706645007852508,"endHours":24.19031120995439,"quality":"inauspicious"},{"name":"Udveg","start":"00:11","end":"01:40","startHours":24.19031120995439,"endHours":25.673977412056274,"quality":"inauspicious"},{"name":"Chala","start":"01:40","end":"03:09","startHours":25.673977412056274,"endHours":27.157643614158157,"quality":"neutral"},{"name":"Labha","start":"03:09","end":"04:38","startHours":27.157643614158157,"endHours":28.64130981626004,"quality":"auspicious"},{"name":"Amṛta","start":"04:38","end":"06:07","startHours":28.64130981626004,"endHours":30.12497601836192,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:07","end":"07:07","startHours":6.124976018361922,"endHours":7.124976018361922,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:07","end":"08:07","startHours":7.124976018361922,"endHours":8.124976018361922,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:07","end":"09:07","startHours":8.124976018361922,"endHours":9.124976018361922,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:07","end":"10:07","startHours":9.124976018361922,"endHours":10.124976018361922,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:07","end":"11:07","startHours":10.124976018361922,"endHours":11.124976018361922,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:07","end":"12:07","startHours":11.124976018361922,"endHours":12.124976018361922,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:07","end":"13:07","startHours":12.124976018361922,"endHours":13.124976018361922,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:07","end":"14:07","startHours":13.124976018361922,"endHours":14.124976018361922,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:07","end":"15:07","startHours":14.124976018361922,"endHours":15.124976018361922,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:07","end":"16:07","startHours":15.124976018361922,"endHours":16.12497601836192,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:07","end":"17:07","startHours":16.12497601836192,"endHours":17.12497601836192,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:07","end":"18:07","startHours":17.12497601836192,"endHours":18.12497601836192,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:07","end":"19:07","startHours":18.12497601836192,"endHours":19.12497601836192,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:07","end":"20:07","startHours":19.12497601836192,"endHours":20.12497601836192,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:07","end":"21:07","startHours":20.12497601836192,"endHours":21.12497601836192,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:07","end":"22:07","startHours":21.12497601836192,"endHours":22.12497601836192,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:07","end":"23:07","startHours":22.12497601836192,"endHours":23.12497601836192,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:07","end":"00:07","startHours":23.12497601836192,"endHours":24.12497601836192,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:07","end":"01:07","startHours":24.12497601836192,"endHours":25.12497601836192,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:07","end":"02:07","startHours":25.12497601836192,"endHours":26.12497601836192,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:07","end":"03:07","startHours":26.12497601836192,"endHours":27.12497601836192,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:07","end":"04:07","startHours":27.12497601836192,"endHours":28.12497601836192,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:07","end":"05:07","startHours":28.12497601836192,"endHours":29.12497601836192,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:07","end":"06:07","startHours":29.12497601836192,"endHours":30.12497601836192,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":0.6499713702005424,"eotMinutes":7.712527402736593,"ayanamsa":25.5953}},"calendars":{"vikram_samvat":2181,"vikram_samvatsara":"Hemalambī","saka_samvat":2046,"saka_samvatsara":"Tāraṇa","bengali_samvat":1531,"malayalam_era":1300,"nanakshahi_year":655,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Trayodaśī · Vikram 2181 Hemalambī · Śaka 2046 Tāraṇa"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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":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 21, 2124 CE · Erode, Tamil Nadu · Vidhyamitra","description":"September 21, 2124 CE for Erode, Tamil Nadu: Śukla Trayodaśī, sūryodaya 06:07, sūryāsta 18:15.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2124-09-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2124-09-21","sa":"https://sa.vidhyamitra.com/city/erode/2124-09-21","hi":"https://hi.vidhyamitra.com/city/erode/2124-09-21","x-default":"https://vidhyamitra.com/city/erode/2124-09-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-30T23:02:30.577Z","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":"2026-05-30T23:02:30.577Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-30T23:02:30.577Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}