{"id":"vidhyamitra:city-day:erode:2081-01-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2081-01-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2081-01-17","date_display":"January 17, 2081 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":2081,"month":1,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2481146.770833,"kali_year":5182,"ahargana":1892681.2708,"sun":{"sidereal_longitude":272.3106,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":352.351,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":80.0404,"elapsed_within_tithi_degrees":8.0404},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":352.351,"elapsed_within_degrees":5.6843},"yoga":{"number":20,"name":"Śiva","sum_longitude":264.6616},"karana":{"half_tithi_index":13,"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":2081,"month":1,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2481146.770833,"ahargana":1892681.2708,"kali_year":5182,"ayanamsa_lahiri":24.9852,"grahas":{"sun":{"sidereal_longitude":272.600105,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":348.629105,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false,"latitude":1.2175},"mars":{"sidereal_longitude":334.259005,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":287.906605,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":300.105505,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":316.22850500000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":290.0895049999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":336.6381,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":156.6381,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","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":2081,"month":1,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2481146.770833,"kali_year":5182,"ahargana":1892681.2708,"sun":{"sidereal_longitude":272.3106,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":352.351,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":80.0404,"elapsed_within_tithi_degrees":8.0404},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":352.351,"elapsed_within_degrees":5.6843},"yoga":{"number":20,"name":"Śiva","sum_longitude":264.6616},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.218,"elongation":80.04},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.218,"opposition_distance":99.96}},"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":"06:43","sunsetLocal":"18:15","solarNoonLocal":"12:29","dayLengthHours":11.543592789055397,"dayLengthDisplay":"11 Hours 32 Mins 37 Secs","nightLengthDisplay":"12 Hours 27 Mins 23 Secs","moonriseLocal":"11:27","moonsetLocal":"23:40","rahuKala":{"name":"Rāhu Kāla","start":"11:03","end":"12:29","startHours":11.043005713803222,"endHours":12.485954812435146,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:22","end":"16:49","startHours":15.371853009698995,"endHours":16.81480210833092,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:09","end":"09:36","startHours":8.157107516539371,"endHours":9.600056615171296,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:24","end":"09:48","startHours":9.407663402020372,"endHours":9.79244982832222,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:12","end":"07:30","startHours":7.195141450784755,"endHours":7.502970591826232,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:06","end":"12:52","startHours":12.101168386133297,"endHours":12.870741238736992,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:11","end":"05:57","startHours":5.1750127127000605,"endHours":5.944585565303754,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:45","end":"06:43","startHours":5.75219235215283,"endHours":6.714158417907447,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:25","end":"15:11","startHours":14.409886943944379,"endHours":15.179459796548072,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:03","end":"18:27","startHours":18.057751206962845,"endHours":18.457751206962843,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:15","end":"18:44","startHours":18.257751206962844,"endHours":18.738734239840152,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:00","end":"19:45","startHours":18.007751206962844,"endHours":19.757751206962844,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:06","end":"00:52","startHours":24.1011683861333,"endHours":24.870741238736993,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:43","end":"08:09","startHours":6.714158417907447,"endHours":8.157107516539371,"quality":"neutral"},{"name":"Labha","start":"08:09","end":"09:36","startHours":8.157107516539371,"endHours":9.600056615171296,"quality":"auspicious"},{"name":"Amṛta","start":"09:36","end":"11:03","startHours":9.600056615171296,"endHours":11.043005713803222,"quality":"auspicious"},{"name":"Kāla","start":"11:03","end":"12:29","startHours":11.043005713803222,"endHours":12.485954812435146,"quality":"inauspicious"},{"name":"Śubha","start":"12:29","end":"13:56","startHours":12.485954812435146,"endHours":13.92890391106707,"quality":"auspicious"},{"name":"Roga","start":"13:56","end":"15:22","startHours":13.92890391106707,"endHours":15.371853009698995,"quality":"inauspicious"},{"name":"Udveg","start":"15:22","end":"16:49","startHours":15.371853009698995,"endHours":16.81480210833092,"quality":"inauspicious"},{"name":"Chala","start":"16:49","end":"18:15","startHours":16.81480210833092,"endHours":18.257751206962844,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:15","end":"19:49","startHours":18.257751206962844,"endHours":19.81480210833092,"quality":"inauspicious"},{"name":"Udveg","start":"19:49","end":"21:22","startHours":19.81480210833092,"endHours":21.371853009698995,"quality":"inauspicious"},{"name":"Chala","start":"21:22","end":"22:56","startHours":21.371853009698995,"endHours":22.92890391106707,"quality":"neutral"},{"name":"Labha","start":"22:56","end":"00:29","startHours":22.92890391106707,"endHours":24.485954812435146,"quality":"auspicious"},{"name":"Amṛta","start":"00:29","end":"02:03","startHours":24.485954812435146,"endHours":26.043005713803222,"quality":"auspicious"},{"name":"Kāla","start":"02:03","end":"03:36","startHours":26.043005713803222,"endHours":27.600056615171297,"quality":"inauspicious"},{"name":"Śubha","start":"03:36","end":"05:09","startHours":27.600056615171297,"endHours":29.15710751653937,"quality":"auspicious"},{"name":"Roga","start":"05:09","end":"06:43","startHours":29.15710751653937,"endHours":30.71415841790745,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:43","end":"07:43","startHours":6.714158417907447,"endHours":7.714158417907447,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:43","end":"08:43","startHours":7.714158417907447,"endHours":8.714158417907447,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:43","end":"09:43","startHours":8.714158417907447,"endHours":9.714158417907447,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:43","end":"10:43","startHours":9.714158417907447,"endHours":10.714158417907447,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:43","end":"11:43","startHours":10.714158417907447,"endHours":11.714158417907447,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:43","end":"12:43","startHours":11.714158417907447,"endHours":12.714158417907447,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:43","end":"13:43","startHours":12.714158417907447,"endHours":13.714158417907447,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:43","end":"14:43","startHours":13.714158417907447,"endHours":14.714158417907447,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:43","end":"15:43","startHours":14.714158417907447,"endHours":15.714158417907447,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:43","end":"16:43","startHours":15.714158417907447,"endHours":16.71415841790745,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:43","end":"17:43","startHours":16.71415841790745,"endHours":17.71415841790745,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:43","end":"18:43","startHours":17.71415841790745,"endHours":18.71415841790745,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:43","end":"19:43","startHours":18.71415841790745,"endHours":19.71415841790745,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:43","end":"20:43","startHours":19.71415841790745,"endHours":20.71415841790745,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:43","end":"21:43","startHours":20.71415841790745,"endHours":21.71415841790745,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:43","end":"22:43","startHours":21.71415841790745,"endHours":22.71415841790745,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:43","end":"23:43","startHours":22.71415841790745,"endHours":23.71415841790745,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:43","end":"00:43","startHours":23.71415841790745,"endHours":24.71415841790745,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:43","end":"01:43","startHours":24.71415841790745,"endHours":25.71415841790745,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:43","end":"02:43","startHours":25.71415841790745,"endHours":26.71415841790745,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:43","end":"03:43","startHours":26.71415841790745,"endHours":27.71415841790745,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:43","end":"04:43","startHours":27.71415841790745,"endHours":28.71415841790745,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:43","end":"05:43","startHours":28.71415841790745,"endHours":29.71415841790745,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:43","end":"06:43","startHours":29.71415841790745,"endHours":30.71415841790745,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"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":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-20.64147701021123,"eotMinutes":-10.026088746108654,"ayanamsa":24.9852}},"calendars":{"vikram_samvat":2138,"vikram_samvatsara":"Ānanda","saka_samvat":2003,"saka_samvatsara":"Plava","bengali_samvat":1488,"malayalam_era":1257,"nanakshahi_year":612,"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":"Makara (Tai)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Saptamī · Vikram 2138 Ānanda · Śaka 2003 Plava"},"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 January 17, 2081 CE · Erode, Tamil Nadu · Vidhyamitra","description":"January 17, 2081 CE for Erode, Tamil Nadu: Śukla Saptamī, sūryodaya 06:43, sūryāsta 18:15.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2081-01-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2081-01-17","sa":"https://sa.vidhyamitra.com/city/erode/2081-01-17","hi":"https://hi.vidhyamitra.com/city/erode/2081-01-17","x-default":"https://vidhyamitra.com/city/erode/2081-01-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T02:47:19.805Z","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":"2026-05-31T02:47:19.805Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T02:47:19.805Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}