{"id":"vidhyamitra:city-day:erode:2100-12-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2100-12-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2100-12-31","date_display":"December 31, 2100 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":2100,"month":12,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2488433.770833,"kali_year":5202,"ahargana":1899968.2708,"sun":{"sidereal_longitude":253.6321,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":255.1946,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":1.5625,"elapsed_within_tithi_degrees":1.5625},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1,"moon_longitude":255.1946,"elapsed_within_degrees":1.8613},"yoga":{"number":12,"name":"Dhruva","sum_longitude":148.8268},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"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":2100,"month":12,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2488433.770833,"ahargana":1899968.2708,"kali_year":5202,"ayanamsa_lahiri":25.2639,"grahas":{"sun":{"sidereal_longitude":254.12728800000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":254.5821880000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false,"latitude":-3.7003},"mars":{"sidereal_longitude":226.64698799999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":270.3554879999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":200.58638799999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":237.95548800000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":190.32598800000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":310.5377,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":130.5377,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","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":2100,"month":12,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2488433.770833,"kali_year":5202,"ahargana":1899968.2708,"sun":{"sidereal_longitude":253.6321,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":255.1946,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":1.5625,"elapsed_within_tithi_degrees":1.5625},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1,"moon_longitude":255.1946,"elapsed_within_degrees":1.8613},"yoga":{"number":12,"name":"Dhruva","sum_longitude":148.8268},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.7,"elongation":1.562},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.7,"opposition_distance":178.438}},"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":"06:38","sunsetLocal":"18:06","solarNoonLocal":"12:22","dayLengthHours":11.469060520214487,"dayLengthDisplay":"11 Hours 28 Mins 09 Secs","nightLengthDisplay":"12 Hours 31 Mins 51 Secs","moonriseLocal":"06:41","moonsetLocal":"18:07","rahuKala":{"name":"Rāhu Kāla","start":"10:56","end":"12:22","startHours":10.939491350369945,"endHours":12.373123915396755,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:14","end":"16:40","startHours":15.240389045450378,"endHours":16.67402161047719,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:04","end":"09:30","startHours":8.072226220316322,"endHours":9.505858785343133,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:19","end":"09:42","startHours":9.314707776672892,"endHours":9.697009794013375,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:07","end":"07:25","startHours":7.116471176965115,"endHours":7.422312790837502,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:59","end":"12:45","startHours":11.990821898056273,"endHours":12.755425932737237,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:07","end":"05:52","startHours":5.10938558592758,"endHours":5.873989620608546,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:41","end":"06:38","startHours":5.682838611938305,"endHours":6.638593655289512,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:17","end":"15:03","startHours":14.284634002099171,"endHours":15.049238036780137,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:54","end":"18:18","startHours":17.907654175504,"endHours":18.307654175504,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:06","end":"18:35","startHours":18.107654175504,"endHours":18.585531697179604,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:51","end":"19:36","startHours":17.857654175504,"endHours":19.607654175504,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:59","end":"00:45","startHours":23.99082189805627,"endHours":24.755425932737236,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:38","end":"08:04","startHours":6.638593655289512,"endHours":8.072226220316322,"quality":"neutral"},{"name":"Labha","start":"08:04","end":"09:30","startHours":8.072226220316322,"endHours":9.505858785343133,"quality":"auspicious"},{"name":"Amṛta","start":"09:30","end":"10:56","startHours":9.505858785343133,"endHours":10.939491350369945,"quality":"auspicious"},{"name":"Kāla","start":"10:56","end":"12:22","startHours":10.939491350369945,"endHours":12.373123915396755,"quality":"inauspicious"},{"name":"Śubha","start":"12:22","end":"13:48","startHours":12.373123915396755,"endHours":13.806756480423566,"quality":"auspicious"},{"name":"Roga","start":"13:48","end":"15:14","startHours":13.806756480423566,"endHours":15.240389045450378,"quality":"inauspicious"},{"name":"Udveg","start":"15:14","end":"16:40","startHours":15.240389045450378,"endHours":16.67402161047719,"quality":"inauspicious"},{"name":"Chala","start":"16:40","end":"18:06","startHours":16.67402161047719,"endHours":18.107654175504,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:06","end":"19:40","startHours":18.107654175504,"endHours":19.674021610477187,"quality":"inauspicious"},{"name":"Udveg","start":"19:40","end":"21:14","startHours":19.674021610477187,"endHours":21.240389045450378,"quality":"inauspicious"},{"name":"Chala","start":"21:14","end":"22:48","startHours":21.240389045450378,"endHours":22.806756480423566,"quality":"neutral"},{"name":"Labha","start":"22:48","end":"00:22","startHours":22.806756480423566,"endHours":24.373123915396754,"quality":"auspicious"},{"name":"Amṛta","start":"00:22","end":"01:56","startHours":24.373123915396754,"endHours":25.939491350369945,"quality":"auspicious"},{"name":"Kāla","start":"01:56","end":"03:30","startHours":25.939491350369945,"endHours":27.505858785343133,"quality":"inauspicious"},{"name":"Śubha","start":"03:30","end":"05:04","startHours":27.505858785343133,"endHours":29.072226220316324,"quality":"auspicious"},{"name":"Roga","start":"05:04","end":"06:38","startHours":29.072226220316324,"endHours":30.63859365528951,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:38","end":"07:38","startHours":6.638593655289512,"endHours":7.638593655289512,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:38","end":"08:38","startHours":7.638593655289512,"endHours":8.638593655289512,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:38","end":"09:38","startHours":8.638593655289512,"endHours":9.638593655289512,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:38","end":"10:38","startHours":9.638593655289512,"endHours":10.638593655289512,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:38","end":"11:38","startHours":10.638593655289512,"endHours":11.638593655289512,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:38","end":"12:38","startHours":11.638593655289512,"endHours":12.638593655289512,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:38","end":"13:38","startHours":12.638593655289512,"endHours":13.638593655289512,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:38","end":"14:38","startHours":13.638593655289512,"endHours":14.638593655289512,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:38","end":"15:38","startHours":14.638593655289512,"endHours":15.638593655289512,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:38","end":"16:38","startHours":15.638593655289512,"endHours":16.63859365528951,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:38","end":"17:38","startHours":16.63859365528951,"endHours":17.63859365528951,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:38","end":"18:38","startHours":17.63859365528951,"endHours":18.63859365528951,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:38","end":"19:38","startHours":18.63859365528951,"endHours":19.63859365528951,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:38","end":"20:38","startHours":19.63859365528951,"endHours":20.63859365528951,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:38","end":"21:38","startHours":20.63859365528951,"endHours":21.63859365528951,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:38","end":"22:38","startHours":21.63859365528951,"endHours":22.63859365528951,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:38","end":"23:38","startHours":22.63859365528951,"endHours":23.63859365528951,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:38","end":"00:38","startHours":23.63859365528951,"endHours":24.63859365528951,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:38","end":"01:38","startHours":24.63859365528951,"endHours":25.63859365528951,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:38","end":"02:38","startHours":25.63859365528951,"endHours":26.63859365528951,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:38","end":"03:38","startHours":26.63859365528951,"endHours":27.63859365528951,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:38","end":"04:38","startHours":27.63859365528951,"endHours":28.63859365528951,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:38","end":"05:38","startHours":28.63859365528951,"endHours":29.63859365528951,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:38","end":"06:38","startHours":29.63859365528951,"endHours":30.63859365528951,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","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":"West (Paścim)","chandraVasa":"East","rahuVasa":"South-East","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.10402670843731,"eotMinutes":-3.2562349238053434,"ayanamsa":25.2639}},"calendars":{"vikram_samvat":2157,"vikram_samvatsara":"Śrīmukha","saka_samvat":2022,"saka_samvatsara":"Raudra","bengali_samvat":1507,"malayalam_era":1276,"nanakshahi_year":631,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Pratipada · Vikram 2157 Śrīmukha · Śaka 2022 Raudra"},"festivals":[],"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 December 31, 2100 CE · Erode, Tamil Nadu · Vidhyamitra","description":"December 31, 2100 CE for Erode, Tamil Nadu: Śukla Pratipada, sūryodaya 06:38, sūryāsta 18:06.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2100-12-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2100-12-31","sa":"https://sa.vidhyamitra.com/city/erode/2100-12-31","hi":"https://hi.vidhyamitra.com/city/erode/2100-12-31","x-default":"https://vidhyamitra.com/city/erode/2100-12-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T01:59:34.871Z","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":"2026-06-01T01:59:34.871Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T01:59:34.871Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}